FlightsFrom San Diego

To Washington, D.C.

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

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

Deals from

San Diego

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 Diego to Washington, D.C.

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

July 28 - August 10

Cheapest
Best
Earliest

SAN - Washington, D.C.

$303

$161

Round trip

August 12 - August 20

Cheapest

SAN - Washington, D.C.

$320

$161

Round trip

July 28 - August 20

Cheapest
Best
Earliest

SAN - Washington, D.C.

$303

$161

Round trip

August 17 - August 20

SAN - Washington, D.C.

$347

$176

Round trip

August 13 - August 20

Best

SAN - Washington, D.C.

$333

$176

Round trip

August 24 - August 31

SAN - Washington, D.C.

$334

$181

Round trip

July 28 - August 12

Earliest

SAN - Washington, D.C.

$300

$181

Round trip

August 12 - August 17

SAN - Washington, D.C.

$339

$181

Round trip

August 12 - August 18

SAN - Washington, D.C.

$330

$181

Round trip

July 28 - August 17

Earliest

SAN - Washington, D.C.

$303

$181

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 Diego to Washington, D.C.

For those seeking cheap flights from San Diego to Washington, D.C., the data indicates that April is typically the most affordable month to fly, with a median fare of $243. Following closely, January offers a median fare of $259, and March presents a median of $271. These months generally provide more budget-friendly options for this route.
Fares for flights from San Diego to Washington, D.C. typically range from $239–$434, with a median of $329. Right now, fares are above the typical level for this route. Currently, about 24% of recent fares are classified as a good price, and new deals appear almost daily, suggesting frequent opportunities to find better prices.
When considering how long is the flight from San Diego to Washington, D.C., a typical journey, including connections, takes about 9h 36m. This reflects that most itineraries connect at least once. Only 22.2% of recent fares are for direct flights from San Diego to Washington, D.C., with connecting itineraries typically involving one stopover.
The route from San Diego to Washington, D.C. covers a distance of 3655 kilometers. This classifies it as a medium-haul journey, indicating a flight that is neither very short nor extremely long, typically requiring several hours in the air.

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

Regular price: $255 - $519

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

The regular price range for flights from San Diego to Washington, D.C. is typically between $255 and $519. Currently, the lowest deal found is $161 with Frontier Airlines, for travel from Jul 28-Aug 10.

now $161

Low $255

High $519

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

The cheapest month to fly from San Diego to Washington is April, with a median price of $243. The most expensive month is November, with a median price of $490. Generally, prices are lower from January to December.

April

Cheapest

Flights from $243

November

Most Expensive

Flights from $490

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Airline logo

Alaska Airlines, Inc.

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

Wed, Jun 17

⌛ Last-Minute

SAN - Washington, D.C.

Frontier Airlines

San Diego (SAN) - Washington, D.C. (BWI)

Frontier Airlines

$1,094

$714

One-way

Wed, Jun 17

⌛ Last-Minute

SAN - Washington, D.C.

Deutsche Luft Hansa

San Diego (SAN) - Washington, D.C. (BWI)

Deutsche Luft Hansa

$1,121

$759

One-way

Thu, Jun 18

⌛ Last-Minute

SAN - Washington, D.C.

Frontier Airlines

San Diego (SAN) - Washington, D.C. (BWI)

Frontier Airlines

$1,101

$556

One-way

Thu, Jun 18

⌛ Last-Minute

SAN - Washington, D.C.

Frontier Airlines

San Diego (SAN) - Washington, D.C. (BWI)

Frontier Airlines

$943

$619

One-way

Thu, Jun 18

⌛ Last-Minute

SAN - Washington, D.C.

Frontier Airlines

San Diego (SAN) - Washington, D.C. (BWI)

Frontier Airlines

$1,117

$652

One-way

Sat, Jun 20

⌛ Last-Minute

SAN - Washington, D.C.

Southwest Airlines

San Diego (SAN) - Washington, D.C. (BWI)

Southwest Airlines

$1,092

$728

One-way

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

3 nights

Jun 18 - Jun 21

$1,101  →  $556

49%

2 nights

Jun 18 - Jun 20

$1,117  →  $652

42%

7 nights

Jun 23 - Jun 30

$899  →  $469

48%

6 nights

Jun 23 - Jun 29

$898  →  $488

46%

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

San Diego - Washington, D.C. route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares for San Diego to Washington, D.C. are above the typical level at a median of $329.

📅 Best time to fly

April is historically the cheapest month to fly.

Historically, April is the cheapest month to fly from San Diego to Washington, D.C., with a median price of $243.

⏱️ Flight duration

Flights typically take 9h 36m.

The typical flight duration from San Diego to Washington, D.C. is 9h 36m, including layovers.

✈️ Airlines & availability

Connecting flights are dominant on this route.

Connecting flights make up 77.8% of deals, with a median of 1 stopover when connecting.

🏆 Airline highlight

Frontier Airlines offers a recent deal for $161.

A recent deal from Frontier Airlines to Washington Dulles International Airport was found for $161.

🎯 Booking tip

Deals are frequent on this route.

On average, there are 1.03 deals per day for flights from San Diego to Washington, D.C.

San Diego main airports to depart from

San Diego International (SAN)

Cheapest

San Diego International Airport offers the cheapest flights from San Diego to Washington, D.C.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$161

McClellan–Palomar (CLD)

McClellan–Palomar Airport is an alternative for flights from San Diego to Washington, D.C.

📍 ~45 km from city center (reachable by car)

💸 Flights from ~$478

Washington, D.C. main airports to arrive at

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good option for flights to Washington, D.C. from San Diego.

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

💸 Flights from ~$161

Baltimore–Washington International (BWI)

Baltimore–Washington International is an alternative arrival airport for your trip to Washington, D.C..

📍 ~50 km from Washington, D.C. city center

💸 Flights from ~$259

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National is a convenient arrival airport for Washington, D.C. from San Diego.

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

💸 Flights from ~$252

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.

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

💸 Flights from ~$208

Richmond International (RIC)

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

📍 ~160 km from Washington, D.C. (requires a 2-hour drive south)

💸 Flights from ~$250

Harrisburg International (MDT)

Harrisburg International is a convenient alternative for travelers in the northern D.C. suburbs or Maryland.

📍 ~150 km from Washington, D.C.

💸 Flights from ~$368

Norfolk International (ORF)

Norfolk International offers significant passenger volume and carrier variety with good flight availability.

📍 ~290 km from Washington, D.C.

💸 Flights from ~$218

Charlottesville–Albemarle (CHO)

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

📍 ~160 km from Washington, D.C.

💸 Flights from ~$369

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

Discover luxury on the budget with premium cabin class on flights from San Diego 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 SAN

Elite

Oct 20

Washington, D.C., United States

91% AI deal score

$2,160

$1,147

Save $1,013

From SAN

Elite

Sep 12

Washington, D.C., United States

90% AI deal score

$1,881

$1,117

Save $764

From SAN

Elite

Sep 12

Washington, D.C., United States

90% AI deal score

$2,049

$1,198

Save $851

From SAN

Elite

Aug 25

Washington, D.C., United States

90% AI deal score

$1,716

$1,137

Save $579

From SAN

Elite

Sep 19

Washington, D.C., United States

89% AI deal score

$1,849

$1,117

Save $732

From SAN

Elite

Sep 12

Washington, D.C., United States

89% AI deal score

$1,862

$1,157

Save $705

From SAN

Elite

Sep 12

Washington, D.C., United States

89% AI deal score

$2,015

$1,198

Save $817

From SAN

Elite

Sep 17

Washington, D.C., United States

89% AI deal score

$1,990

$1,198

Save $792

From SAN

Elite

Sep 30

Washington, D.C., United States

89% AI deal score

$1,615

$1,132

Save $483

From SAN

Elite

Nov 03

Washington, D.C., United States

88% AI deal score

$1,715

$1,117

Save $598

From SAN

Elite

Sep 12

Washington, D.C., United States

88% AI deal score

$1,782

$1,157

Save $625

From SAN

Elite

Oct 31

Washington, D.C., United States

88% AI deal score

$1,786

$1,158

Save $628

From SAN

Elite

Aug 22

Washington, D.C., United States

88% AI deal score

$1,786

$1,177

Save $609

From SAN

Elite

Sep 12

Washington, D.C., United States

88% AI deal score

$1,897

$1,197

Save $700

From SAN

Elite

Sep 12

Washington, D.C., United States

88% AI deal score

$1,867

$1,197

Save $670

From SAN

Elite

Sep 12

Washington, D.C., United States

88% AI deal score

$1,823

$1,197

Save $626

From SAN

Elite

Sep 17

Washington, D.C., United States

88% AI deal score

$1,864

$1,198

Save $666

From SAN

Elite

Aug 04

Washington, D.C., United States

88% AI deal score

$1,758

$1,198

Save $560

From SAN

Elite

Nov 04

Washington, D.C., United States

88% AI deal score

$1,649

$1,157

Save $492

From SAN

Elite

Nov 03

Washington, D.C., United States

88% AI deal score

$1,660

$1,157

Save $503

From SAN

Elite

Nov 07

Washington, D.C., United States

88% AI deal score

$1,649

$1,157

Save $492

From SAN

Elite

Nov 14

Washington, D.C., United States

88% AI deal score

$1,648

$1,157

Save $491

From SAN

Elite

Nov 17

Washington, D.C., United States

87% AI deal score

$1,684

$1,157

Save $527

From SAN

Elite

Oct 28

Washington, D.C., United States

87% AI deal score

$1,741

$1,157

Save $584

From SAN

Elite

Oct 27

Washington, D.C., United States

87% AI deal score

$1,731

$1,157

Save $574

From SAN

Elite

Sep 12

Washington, D.C., United States

87% AI deal score

$1,782

$1,197

Save $585

From SAN

Elite

Aug 12

Washington, D.C., United States

87% AI deal score

$1,708

$1,198

Save $510

From SAN

Elite

Aug 04

Washington, D.C., United States

87% AI deal score

$1,701

$1,198

Save $503

From SAN

Elite

Aug 04

Washington, D.C., United States

87% AI deal score

$1,701

$1,198

Save $503

From SAN

Elite

Aug 12

Washington, D.C., United States

87% AI deal score

$1,741

$1,198

Save $543

From SAN

Elite

Aug 12

Washington, D.C., United States

87% AI deal score

$1,734

$1,198

Save $536

From SAN

Elite

Aug 05

Washington, D.C., United States

87% AI deal score

$1,700

$1,198

Save $502

From SAN

Elite

Aug 05

Washington, D.C., United States

87% AI deal score

$1,700

$1,198

Save $502

From SAN

Elite

Aug 12

Washington, D.C., United States

87% AI deal score

$1,708

$1,198

Save $510

From SAN

Elite

Aug 05

Washington, D.C., United States

87% AI deal score

$1,700

$1,198

Save $502

From SAN

Elite

Aug 12

Washington, D.C., United States

87% AI deal score

$1,708

$1,198

Save $510

From SAN

Elite

Aug 12

Washington, D.C., United States

87% AI deal score

$1,708

$1,198

Save $510

From SAN

Elite

Aug 04

Washington, D.C., United States

87% AI deal score

$1,701

$1,198

Save $503

From SAN

Elite

Oct 06

Washington, D.C., United States

87% AI deal score

$1,497

$1,137

Save $360

From SAN

Elite

Oct 28

Washington, D.C., United States

87% AI deal score

$1,591

$1,157

Save $434

From SAN

Elite

Oct 27

Washington, D.C., United States

87% AI deal score

$1,601

$1,157

Save $444

From SAN

Elite

Oct 27

Washington, D.C., United States

87% AI deal score

$1,565

$1,157

Save $408

From SAN

Elite

Nov 03

Washington, D.C., United States

87% AI deal score

$1,622

$1,157

Save $465

From SAN

Elite

Oct 31

Washington, D.C., United States

87% AI deal score

$1,585

$1,157

Save $428

From SAN

Elite

Oct 31

Washington, D.C., United States

87% AI deal score

$1,558

$1,157

Save $401

From SAN

Elite

Nov 14

Washington, D.C., United States

86% AI deal score

$1,666

$1,197

Save $469

From SAN

Elite

Nov 16

Washington, D.C., United States

86% AI deal score

$1,684

$1,197

Save $487

From SAN

Elite

Nov 14

Washington, D.C., United States

86% AI deal score

$1,626

$1,197

Save $429

From SAN

Elite

Nov 04

Washington, D.C., United States

86% AI deal score

$1,649

$1,197

Save $452

From SAN

Elite

Nov 14

Washington, D.C., United States

86% AI deal score

$1,676

$1,197

Save $479

From SAN

Elite

Nov 14

Washington, D.C., United States

86% AI deal score

$1,626

$1,197

Save $429

From SAN

Elite

Nov 04

Washington, D.C., United States

86% AI deal score

$1,656

$1,197

Save $459

From SAN

Elite

Oct 27

Washington, D.C., United States

86% AI deal score

$1,671

$1,197

Save $474

From SAN

Elite

Oct 28

Washington, D.C., United States

86% AI deal score

$1,671

$1,197

Save $474

From SAN

Elite

Oct 28

Washington, D.C., United States

86% AI deal score

$1,667

$1,197

Save $470

From SAN

Elite

Oct 27

Washington, D.C., United States

86% AI deal score

$1,671

$1,197

Save $474

From SAN

Elite

Nov 10

Washington, D.C., United States

86% AI deal score

$1,666

$1,198

Save $468

From SAN

Elite

Nov 17

Washington, D.C., United States

86% AI deal score

$1,626

$1,198

Save $428

From SAN

Elite

Nov 17

Washington, D.C., United States

86% AI deal score

$1,687

$1,198

Save $489

From SAN

Elite

Nov 10

Washington, D.C., United States

86% AI deal score

$1,640

$1,198

Save $442

From SAN

Elite

Nov 17

Washington, D.C., United States

86% AI deal score

$1,626

$1,198

Save $428

From SAN

Elite

Nov 04

Washington, D.C., United States

86% AI deal score

$1,673

$1,198

Save $475

From SAN

Elite

Nov 14

Washington, D.C., United States

86% AI deal score

$1,676

$1,198

Save $478

From SAN

Elite

Nov 10

Washington, D.C., United States

86% AI deal score

$1,683

$1,198

Save $485

From SAN

Elite

Nov 09

Washington, D.C., United States

86% AI deal score

$1,645

$1,198

Save $447

From SAN

Elite

Nov 14

Washington, D.C., United States

86% AI deal score

$1,626

$1,198

Save $428

From SAN

Elite

Nov 17

Washington, D.C., United States

86% AI deal score

$1,676

$1,198

Save $478

From SAN

Elite

Nov 10

Washington, D.C., United States

86% AI deal score

$1,644

$1,198

Save $446

From SAN

Elite

Nov 17

Washington, D.C., United States

86% AI deal score

$1,626

$1,198

Save $428

From SAN

Elite

Nov 10

Washington, D.C., United States

86% AI deal score

$1,682

$1,198

Save $484

From SAN

Elite

Nov 17

Washington, D.C., United States

86% AI deal score

$1,688

$1,198

Save $490

From SAN

Elite

Aug 26

Washington, D.C., United States

86% AI deal score

$1,783

$1,268

Save $515

From SAN

Elite

Oct 06

Washington, D.C., United States

86% AI deal score

$1,451

$1,137

Save $314

From SAN

Elite

Nov 07

Washington, D.C., United States

86% AI deal score

$1,502

$1,157

Save $345

From SAN

Elite

Nov 07

Washington, D.C., United States

86% AI deal score

$1,475

$1,157

Save $318

From SAN

Elite

Nov 03

Washington, D.C., United States

86% AI deal score

$1,475

$1,157

Save $318

From SAN

Elite

Nov 04

Washington, D.C., United States

86% AI deal score

$1,500

$1,157

Save $343

From SAN

Elite

Nov 04

Washington, D.C., United States

86% AI deal score

$1,475

$1,157

Save $318

From SAN

Elite

Nov 03

Washington, D.C., United States

86% AI deal score

$1,502

$1,157

Save $345

From SAN

Elite

Oct 27

Washington, D.C., United States

86% AI deal score

$1,444

$1,157

Save $287

From SAN

Elite

Oct 28

Washington, D.C., United States

86% AI deal score

$1,443

$1,157

Save $286

From SAN

Elite

Sep 05

Washington, D.C., United States

85% AI deal score

$1,431

$1,127

Save $304

From SAN

Elite

Sep 12

Washington, D.C., United States

85% AI deal score

$1,423

$1,127

Save $296

From SAN

Elite

Sep 22

Washington, D.C., United States

85% AI deal score

$1,421

$1,127

Save $294

From SAN

Elite

Sep 19

Washington, D.C., United States

85% AI deal score

$1,431

$1,157

Save $274

From SAN

Elite

Sep 12

Washington, D.C., United States

85% AI deal score

$1,426

$1,157

Save $269

From SAN

Elite

Sep 19

Washington, D.C., United States

85% AI deal score

$1,434

$1,157

Save $277

From SAN

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Nov 03

Washington, D.C., United States

85% AI deal score

$1,472

$1,157

Save $315

From SAN

Elite

Nov 04

Washington, D.C., United States

85% AI deal score

$1,474

$1,157

Save $317

From SAN

Elite

Oct 31

Washington, D.C., United States

85% AI deal score

$1,402

$1,157

Save $245

From SAN

Elite

Oct 31

Washington, D.C., United States

85% AI deal score

$1,439

$1,157

Save $282

From SAN

Elite

Oct 27

Washington, D.C., United States

85% AI deal score

$1,431

$1,157

Save $274

From SAN

Elite

Oct 28

Washington, D.C., United States

85% AI deal score

$1,431

$1,157

Save $274

From SAN

Elite

Oct 27

Washington, D.C., United States

85% AI deal score

$1,407

$1,157

Save $250

From SAN

Elite

Oct 31

Washington, D.C., United States

85% AI deal score

$1,425

$1,157

Save $268

From SAN

Elite

Oct 28

Washington, D.C., United States

85% AI deal score

$1,411

$1,157

Save $254

From SAN

Elite

Sep 05

Washington, D.C., United States

84% AI deal score

$1,707

$1,167

Save $540

From SAN

Elite

Nov 19

Washington, D.C., United States

84% AI deal score

$1,500

$1,217

Save $283

From SAN

Elite

Jul 20

Washington, D.C., United States

83% AI deal score

$1,692

$1,197

Save $495

From SAN

Elite

Aug 12

Washington, D.C., United States

83% AI deal score

$1,960

$1,377

Save $583

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

Historically, the optimal booking window for flights from San Diego to Washington, D.C. is typically between 28 and 59 days prior to departure. During this period, the average price was $290. Booking 14-27 days out saw an average price of $328, while waiting until 0-6 days before departure resulted in a significantly higher average price of $692. Prices for bookings made 60 or more days in advance also tended to be higher, averaging $466.

Across the trailing quarter, a good price for a flight from San Diego to Washington, D.C. was considered to be $239 or less. The median price for this route was $329. Prices above $434 were in the more expensive range. Keeping these historical price points in mind can help you identify a favorable deal.

Historically, April has been the cheapest month to fly from San Diego to Washington, D.C., with a median price of $243. January also offered competitive prices, with a median of $259. The annual median price for this route was $329, indicating that these months typically provide better value. March, with a median price of $271, was among the more expensive months for this route.