FlightsFrom San Antonio

To Washington, D.C.

Cheap Flights from San Antonio to Washington, D.C.

Browse current best options from San Antonio. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Antonio

RatePunk searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from San Antonio to Washington, D.C.

Explore current cheapest deals departing from San Antonio to Washington, D.C.

September 15 - September 16

Cheapest
Best

SAT - Washington, D.C.

$346

$215

Round trip

September 22 - September 24

SAT - Washington, D.C.

$350

$237

Round trip

September 15 - September 17

SAT - Washington, D.C.

$346

$237

Round trip

August 5 - August 10

SAT - Washington, D.C.

$346

$250

Round trip

August 2 - August 7

SAT - Washington, D.C.

$346

$250

Round trip

September 3 - September 7

SAT - Washington, D.C.

$337

$256

Round trip

August 21 - August 25

SAT - Washington, D.C.

$351

$259

Round trip

September 15 - September 18

SAT - Washington, D.C.

$344

$259

Round trip

July 17 - July 20

Earliest

SAT - Washington, D.C.

$281

$260

Round trip

July 17 - July 23

Earliest

SAT - Washington, D.C.

$271

$260

Round trip

Unlock all 500+ flight deals to Washington, D.C. and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from San Antonio to Washington, D.C.

When planning cheap flights from San Antonio to Washington, D.C., you'll find that December is typically the cheapest month to fly, with a median fare of $234. Other cost-effective options include March, with a median fare of $267, and January, at $284. These months offer more favorable pricing compared to the overall median.
Fares for flights from San Antonio to Washington, D.C. typically range from $322–$450, with a median of $389. Right now, current fares are above the typical level for this route. Only 3% of recent fares were classified as a good price, indicating that finding particularly low prices can be challenging. New deals for this route appear almost daily, so setting up a price alert can be beneficial.
Most itineraries for this route connect at least once, with only 26.4% of recent fares being non-stop. For the majority of flights that are not direct flights from San Antonio to Washington, D.C., you can expect to make two connections.
A typical journey from San Antonio to Washington, D.C., including connections, takes about 7h 6m. This median duration accounts for the common connecting itineraries on this route.
The distance between San Antonio and Washington, D.C. is approximately 2219 kilometers, classifying this as a medium-haul route.

How much is a round trip from San Antonio to Washington, D.C.

Regular price: $289 - $385

Prices for flights from San Antonio to Washington, D.C. are currently below the regular range.

The regular price range for this route is between $289 and $385. The current lowest deal is $215 with Southwest Airlines, for travel from September 15-September 16.

now $215

Low $289

High $385

The cheapest time to fly from San Antonio to Washington, D.C.

The cheapest month to fly from San Antonio to Washington is December, with a median price of $234. The most expensive month to fly is August, with a median price of $446. Prices are generally lower from January to December.

December

Cheapest

Flights from $234

August

Most Expensive

Flights from $446

Jan
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from San Antonio to Washington, D.C.

Airline logo

American Airlines

Airline logo

United Airlines

Last-minute flights going from San Antonio to Washington, D.C.

Wed, Jun 17

⌛ Last-Minute

SAT - Washington, D.C.

Frontier Airlines

San Antonio (SAT) - Washington, D.C. (DCA)

Frontier Airlines

$498

$357

One-way

Wed, Jun 17

⌛ Last-Minute

SAT - Washington, D.C.

Frontier Airlines

San Antonio (SAT) - Washington, D.C. (DCA)

Frontier Airlines

$549

$401

One-way

Thu, Jun 18

⌛ Last-Minute

SAT - Washington, D.C.

Frontier Airlines

San Antonio (SAT) - Washington, D.C. (DCA)

Frontier Airlines

$559

$382

One-way

Thu, Jun 18

⌛ Last-Minute

SAT - Washington, D.C.

Frontier Airlines

San Antonio (SAT) - Washington, D.C. (DCA)

Frontier Airlines

$553

$385

One-way

Fri, Jun 19

⌛ Last-Minute

SAT - Washington, D.C.

Frontier Airlines

San Antonio (SAT) - Washington, D.C. (DCA)

Frontier Airlines

$550

$373

One-way

Fri, Jun 19

⌛ Last-Minute

SAT - Washington, D.C.

Frontier Airlines

San Antonio (SAT) - Washington, D.C. (DCA)

Frontier Airlines

$556

$380

One-way

Biggest price drops on these dates for flights from San Antonio to Washington, D.C.

4 nights

Dec 16 - Dec 20

$643  →  $308

52%

2 nights

Dec 24 - Dec 26

$653  →  $329

50%

3 nights

Dec 23 - Dec 26

$651  →  $329

49%

4 nights

Dec 19 - Dec 23

$650  →  $329

49%

Popular Airports to fly from San Antonio to Washington, D.C.

San Antonio - Washington, D.C. route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from San Antonio to Washington, D.C. are above the typical level for this route.

📅 Best time to fly

December is historically the cheapest month to fly

Historically, December is the cheapest month to fly from San Antonio to Washington, D.C., with a median price of $234.

⏱️ Flight duration

Connecting flights take 7h 6m on average

The typical flight duration from San Antonio to Washington, D.C. is 7 hours and 6 minutes, with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant on this route

Connecting flights make up 73.6% of all deals on the San Antonio to Washington, D.C. route.

🏆 Airline highlight

Southwest Airlines offers a recent deal for $215

A recent deal on Southwest Airlines from San Antonio to Washington, D.C. was found for $215.

🎯 Booking tip

Deals appear frequently for this route

Historically, deals for flights from San Antonio to Washington, D.C. appear frequently, with over 1 deal per day.

San Antonio main airports to depart from

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a good option for flights from San Antonio to Washington, D.C.

📍 ~15 km from San Antonio (reachable by car)

💸 Flights from ~$215

Washington, D.C. main airports to arrive at

Ronald Reagan Washington National (DCA)

Cheapest

Ronald Reagan Washington National Airport is a convenient arrival choice for flights to Washington, D.C.

📍 ~5 km from Washington, D.C. city center

💸 Flights from ~$215

Baltimore–Washington International (BWI)

Baltimore–Washington International Airport serves the wider Washington, D.C. metropolitan area.

📍 ~40 km from Washington, D.C. city center

💸 Flights from ~$260

Washington Dulles International (IAD)

Washington Dulles International Airport is a major hub for international and domestic flights to Washington, D.C.

📍 ~40 km from Washington, D.C. city center

💸 Flights from ~$264

Airports nearby Washington, D.C. used as alternative

Philadelphia International (PHL)

Cheapest

Philadelphia International is a major international hub with extensive connectivity, often serving as a viable alternative for trans-Atlantic routes.

📍 ~200 km from Washington, D.C. (reachable by high-speed Amtrak rail service or car)

💸 Flights from ~$217

Richmond International (RIC)

Richmond International is the largest airport in Virginia outside the D.C. metro area, offering a strong domestic network.

📍 ~170 km from Washington, D.C. (reachable by car)

💸 Flights from ~$262

Harrisburg International (MDT)

Harrisburg International is a convenient alternative for travelers in northern D.C. suburbs or Maryland, with reliable service.

📍 ~160 km from Washington, D.C. (reachable by car)

💸 Flights from ~$329

Norfolk International (ORF)

Norfolk International offers significant passenger volume and carrier variety with good availability of flights to major hubs.

📍 ~290 km from Washington, D.C. (reachable by car)

💸 Flights from ~$280

Charlottesville–Albemarle (CHO)

Charlottesville–Albemarle provides reliable regional service with connections to major hubs and an efficient terminal experience.

📍 ~180 km from Washington, D.C. (reachable by car)

💸 Flights from ~$311

Business & First Class Flight Deals to Washington, D.C.

Discover luxury on the budget with premium cabin class on flights from San Antonio to Washington, D.C..

Elite

Best Elite deals to Washington, D.C.

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SAT

Elite

Aug 04

Washington, D.C., United States

88% AI deal score

$1,536

$779

Save $757

From SAT

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Aug 26

Washington, D.C., United States

87% AI deal score

$1,411

$779

Save $632

From SAT

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Aug 19

Washington, D.C., United States

87% AI deal score

$1,410

$779

Save $631

From SAT

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Sep 01

Washington, D.C., United States

86% AI deal score

$1,344

$779

Save $565

From SAT

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Sep 15

Washington, D.C., United States

86% AI deal score

$1,330

$779

Save $551

From SAT

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Sep 02

Washington, D.C., United States

86% AI deal score

$1,345

$779

Save $566

From SAT

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Jul 07

Washington, D.C., United States

86% AI deal score

$1,367

$779

Save $588

From SAT

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Jul 29

Washington, D.C., United States

86% AI deal score

$1,291

$779

Save $512

From SAT

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Jul 28

Washington, D.C., United States

85% AI deal score

$1,292

$799

Save $493

From SAT

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Aug 05

Washington, D.C., United States

84% AI deal score

$1,234

$779

Save $455

From SAT

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Aug 04

Washington, D.C., United States

84% AI deal score

$1,252

$779

Save $473

From SAT

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Nov 11

Washington, D.C., United States

84% AI deal score

$1,210

$789

Save $421

From SAT

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Aug 18

Washington, D.C., United States

83% AI deal score

$1,171

$779

Save $392

From SAT

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Aug 19

Washington, D.C., United States

83% AI deal score

$1,165

$779

Save $386

From SAT

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Jul 29

Washington, D.C., United States

83% AI deal score

$1,116

$779

Save $337

From SAT

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Sep 30

Washington, D.C., United States

83% AI deal score

$1,152

$789

Save $363

From SAT

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Jul 22

Washington, D.C., United States

83% AI deal score

$1,149

$789

Save $360

From SAT

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Jul 21

Washington, D.C., United States

83% AI deal score

$1,143

$789

Save $354

From SAT

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Oct 07

Washington, D.C., United States

83% AI deal score

$1,179

$789

Save $390

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Oct 03

Washington, D.C., United States

82% AI deal score

$1,183

$809

Save $374

From SAT

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Aug 14

Washington, D.C., United States

82% AI deal score

$1,200

$809

Save $391

From SAT

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Aug 22

Washington, D.C., United States

82% AI deal score

$1,163

$809

Save $354

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Aug 20

Washington, D.C., United States

82% AI deal score

$1,167

$809

Save $358

From SAT

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Jul 28

Washington, D.C., United States

82% AI deal score

$1,653

$897

Save $756

From SAT

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Jun 26

Washington, D.C., United States

82% AI deal score

$1,978

$1,041

Save $937

From SAT

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Nov 25

Washington, D.C., United States

81% AI deal score

$1,075

$799

Save $276

From SAT

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Nov 16

Washington, D.C., United States

81% AI deal score

$1,078

$799

Save $279

From SAT

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Aug 31

Washington, D.C., United States

80% AI deal score

$1,026

$799

Save $227

From SAT

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Jul 09

Washington, D.C., United States

80% AI deal score

$1,051

$799

Save $252

From SAT

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Oct 31

Washington, D.C., United States

80% AI deal score

$1,059

$799

Save $260

From SAT

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Aug 02

Washington, D.C., United States

80% AI deal score

$1,117

$853

Save $264

From SAT

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Jul 28

Washington, D.C., United States

79% AI deal score

$1,651

$780

Save $871

From SAT

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Jul 29

Washington, D.C., United States

79% AI deal score

$1,005

$799

Save $206

From SAT

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Jul 23

Washington, D.C., United States

79% AI deal score

$999

$799

Save $200

From SAT

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Oct 04

Washington, D.C., United States

78% AI deal score

$1,443

$948

Save $495

From SAT

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Jul 13

Washington, D.C., United States

73% AI deal score

$1,020

$884

Save $136

From SAT

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Sep 25

Washington, D.C., United States

73% AI deal score

$905

$671

Save $234

From SAT

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Sep 04

Washington, D.C., United States

73% AI deal score

$925

$671

Save $254

From SAT

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Sep 12

Washington, D.C., United States

73% AI deal score

$925

$671

Save $254

From SAT

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Aug 13

Washington, D.C., United States

73% AI deal score

$890

$671

Save $219

From SAT

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Sep 10

Washington, D.C., United States

73% AI deal score

$925

$671

Save $254

From SAT

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Jul 24

Washington, D.C., United States

72% AI deal score

$980

$853

Save $127

From SAT

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Jul 24

Washington, D.C., United States

72% AI deal score

$999

$884

Save $115

From SAT

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Aug 07

Washington, D.C., United States

72% AI deal score

$874

$671

Save $203

From SAT

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Nov 13

Washington, D.C., United States

72% AI deal score

$815

$671

Save $144

From SAT

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Aug 07

Washington, D.C., United States

72% AI deal score

$907

$725

Save $182

From SAT

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Aug 24

Washington, D.C., United States

71% AI deal score

$1,043

$949

Save $94

From SAT

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Jul 29

Washington, D.C., United States

71% AI deal score

$736

$671

Save $65

From SAT

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Jul 13

Washington, D.C., United States

71% AI deal score

$743

$671

Save $72

From SAT

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Jun 29

Washington, D.C., United States

71% AI deal score

$768

$701

Save $67

From SAT

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Aug 16

Washington, D.C., United States

71% AI deal score

$864

$725

Save $139

From SAT

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Aug 09

Washington, D.C., United States

71% AI deal score

$865

$725

Save $140

From SAT

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Aug 04

Washington, D.C., United States

71% AI deal score

$864

$725

Save $139

From SAT

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Sep 11

Washington, D.C., United States

71% AI deal score

$946

$756

Save $190

From SAT

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Aug 20

Washington, D.C., United States

70% AI deal score

$1,034

$949

Save $85

From SAT

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Jul 08

Washington, D.C., United States

70% AI deal score

$713

$671

Save $42

From SAT

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Nov 12

Washington, D.C., United States

70% AI deal score

$804

$725

Save $79

From SAT

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Aug 20

Washington, D.C., United States

70% AI deal score

$862

$761

Save $101

From SAT

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Aug 25

Washington, D.C., United States

70% AI deal score

$889

$761

Save $128

From SAT

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Aug 20

Washington, D.C., United States

70% AI deal score

$871

$761

Save $110

From SAT

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Aug 22

Washington, D.C., United States

70% AI deal score

$870

$761

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From SAT

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Aug 22

Washington, D.C., United States

70% AI deal score

$880

$761

Save $119

From SAT

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Aug 24

Washington, D.C., United States

70% AI deal score

$881

$761

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From SAT

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Aug 24

Washington, D.C., United States

70% AI deal score

$880

$761

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From SAT

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Jul 28

Washington, D.C., United States

69% AI deal score

$1,376

$1,063

Save $313

From SAT

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Jul 29

Washington, D.C., United States

69% AI deal score

$2,505

$2,363

Save $142

From SAT

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Sep 03

Washington, D.C., United States

69% AI deal score

$981

$949

Save $32

From SAT

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Jun 19

Washington, D.C., United States

69% AI deal score

$1,580

$1,249

Save $331

From SAT

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Jul 28

Washington, D.C., United States

68% AI deal score

$1,357

$1,063

Save $294

From SAT

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Jul 31

Washington, D.C., United States

68% AI deal score

$737

$725

Save $12

From SAT

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Jul 10

Washington, D.C., United States

68% AI deal score

$743

$731

Save $12

From SAT

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Sep 15

Washington, D.C., United States

67% AI deal score

$2,201

From SAT

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Jul 21

Washington, D.C., United States

67% AI deal score

$2,357

From SAT

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Jul 28

Washington, D.C., United States

67% AI deal score

$2,357

From SAT

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Jul 31

Washington, D.C., United States

67% AI deal score

$729

$725

Save $4

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Jul 28

Washington, D.C., United States

67% AI deal score

$729

$725

Save $4

From SAT

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Jul 15

Washington, D.C., United States

67% AI deal score

$731

From SAT

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Jul 15

Washington, D.C., United States

67% AI deal score

$731

From SAT

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Jul 17

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 16

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 24

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 10

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 16

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 16

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 15

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 15

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 16

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 25

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 17

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jul 17

Washington, D.C., United States

67% AI deal score

$756

From SAT

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Jun 20

Washington, D.C., United States

67% AI deal score

$1,290

From SAT

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Jun 30

Washington, D.C., United States

66% AI deal score

$752

$719

Save $33

From SAT

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Jul 29

Washington, D.C., United States

66% AI deal score

$2,235

From SAT

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Jul 29

Washington, D.C., United States

66% AI deal score

$2,235

From SAT

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Jul 29

Washington, D.C., United States

66% AI deal score

$2,235

From SAT

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Jul 28

Washington, D.C., United States

50% AI deal score

$2,397

From SAT

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Jul 21

Washington, D.C., United States

50% AI deal score

$2,397

From SAT

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Jul 21

Washington, D.C., United States

50% AI deal score

$2,397

From SAT

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Jul 28

Washington, D.C., United States

50% AI deal score

$2,397

From SAT

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Jul 28

Washington, D.C., United States

49% AI deal score

$2,413

Frequently Asked Questions About Flights to Washington, D.C.

Historically, the lowest average prices for flights from San Antonio to Washington, D.C. have been found when booking between 7 and 13 days in advance. During this period, the average price was around $405. Booking within 0-6 days of departure typically saw an average price of $436, which is slightly higher. Prices for bookings made 14-27 days out averaged $482, indicating that booking too far in advance may not always yield the best deals for this route.

Across the trailing quarter, a good price for a flight from San Antonio to Washington, D.C. was considered to be $322 or less. The median price for this route during the same period was $389. Prices at the 75th percentile reached $450, indicating higher costs. Travelers aiming for a budget-friendly trip should target prices around or below the $322 threshold.

Historically, December has been the cheapest month to fly from San Antonio to Washington, D.C., with a median price of $234. March also offered competitive prices, with a median of $267. While January had a median price of $284, it was also identified as the most expensive month on an annual basis, which might seem counterintuitive given its relatively low median compared to the overall annual median of $389. Travelers looking for the lowest fares should consider flying in December or March.