Cheap Flights from San Antonio to Washington, D.C.
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Deals from
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Prices updated 24 days ago
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171 airlines compared
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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.
Round trip
Sort by: Cheapest
September 15 - September 16
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
SAT - Washington, D.C.
$281
$260
Round trip
July 17 - July 23
SAT - Washington, D.C.
$271
$260
Round trip
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Route Intelligence — 486,190 Searches this Week
Insights for flights from San Antonio to Washington, D.C.
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
Flights from $234
August
Flights from $446
Direct flights from San Antonio to Washington, D.C.
American Airlines
United Airlines
Last-minute flights going from San Antonio to Washington, D.C.
Wed, Jun 17
SAT - Washington, D.C.
San Antonio (SAT) - Washington, D.C. (DCA)
Frontier Airlines
$498
$357
One-way
Wed, Jun 17
SAT - Washington, D.C.
San Antonio (SAT) - Washington, D.C. (DCA)
Frontier Airlines
$549
$401
One-way
Thu, Jun 18
SAT - Washington, D.C.
San Antonio (SAT) - Washington, D.C. (DCA)
Frontier Airlines
$559
$382
One-way
Thu, Jun 18
SAT - Washington, D.C.
San Antonio (SAT) - Washington, D.C. (DCA)
Frontier Airlines
$553
$385
One-way
Fri, Jun 19
SAT - Washington, D.C.
San Antonio (SAT) - Washington, D.C. (DCA)
Frontier Airlines
$550
$373
One-way
Fri, Jun 19
SAT - Washington, D.C.
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.
Dec 16 - Dec 20
$643 → $308
52%
Dec 24 - Dec 26
$653 → $329
50%
Dec 23 - Dec 26
$651 → $329
49%
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)
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)
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)
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
Elite
Aug 26
Washington, D.C., United States
87% AI deal score
$1,411
$779
Save $632
From SAT
Elite
Aug 19
Washington, D.C., United States
87% AI deal score
$1,410
$779
Save $631
From SAT
Elite
Sep 01
Washington, D.C., United States
86% AI deal score
$1,344
$779
Save $565
From SAT
Elite
Sep 15
Washington, D.C., United States
86% AI deal score
$1,330
$779
Save $551
From SAT
Elite
Sep 02
Washington, D.C., United States
86% AI deal score
$1,345
$779
Save $566
From SAT
Elite
Jul 07
Washington, D.C., United States
86% AI deal score
$1,367
$779
Save $588
From SAT
Elite
Jul 29
Washington, D.C., United States
86% AI deal score
$1,291
$779
Save $512
From SAT
Elite
Jul 28
Washington, D.C., United States
85% AI deal score
$1,292
$799
Save $493
From SAT
Elite
Aug 05
Washington, D.C., United States
84% AI deal score
$1,234
$779
Save $455
From SAT
Elite
Aug 04
Washington, D.C., United States
84% AI deal score
$1,252
$779
Save $473
From SAT
Elite
Nov 11
Washington, D.C., United States
84% AI deal score
$1,210
$789
Save $421
From SAT
Elite
Aug 18
Washington, D.C., United States
83% AI deal score
$1,171
$779
Save $392
From SAT
Elite
Aug 19
Washington, D.C., United States
83% AI deal score
$1,165
$779
Save $386
From SAT
Elite
Jul 29
Washington, D.C., United States
83% AI deal score
$1,116
$779
Save $337
From SAT
Elite
Sep 30
Washington, D.C., United States
83% AI deal score
$1,152
$789
Save $363
From SAT
Elite
Jul 22
Washington, D.C., United States
83% AI deal score
$1,149
$789
Save $360
From SAT
Elite
Jul 21
Washington, D.C., United States
83% AI deal score
$1,143
$789
Save $354
From SAT
Elite
Oct 07
Washington, D.C., United States
83% AI deal score
$1,179
$789
Save $390
From SAT
Elite
Oct 03
Washington, D.C., United States
82% AI deal score
$1,183
$809
Save $374
From SAT
Elite
Aug 14
Washington, D.C., United States
82% AI deal score
$1,200
$809
Save $391
From SAT
Elite
Aug 22
Washington, D.C., United States
82% AI deal score
$1,163
$809
Save $354
From SAT
Elite
Aug 20
Washington, D.C., United States
82% AI deal score
$1,167
$809
Save $358
From SAT
Elite
Jul 28
Washington, D.C., United States
82% AI deal score
$1,653
$897
Save $756
From SAT
Elite
Jun 26
Washington, D.C., United States
82% AI deal score
$1,978
$1,041
Save $937
From SAT
Elite
Nov 25
Washington, D.C., United States
81% AI deal score
$1,075
$799
Save $276
From SAT
Elite
Nov 16
Washington, D.C., United States
81% AI deal score
$1,078
$799
Save $279
From SAT
Elite
Aug 31
Washington, D.C., United States
80% AI deal score
$1,026
$799
Save $227
From SAT
Elite
Jul 09
Washington, D.C., United States
80% AI deal score
$1,051
$799
Save $252
From SAT
Elite
Oct 31
Washington, D.C., United States
80% AI deal score
$1,059
$799
Save $260
From SAT
Elite
Aug 02
Washington, D.C., United States
80% AI deal score
$1,117
$853
Save $264
From SAT
Elite
Jul 28
Washington, D.C., United States
79% AI deal score
$1,651
$780
Save $871
From SAT
Elite
Jul 29
Washington, D.C., United States
79% AI deal score
$1,005
$799
Save $206
From SAT
Elite
Jul 23
Washington, D.C., United States
79% AI deal score
$999
$799
Save $200
From SAT
Elite
Oct 04
Washington, D.C., United States
78% AI deal score
$1,443
$948
Save $495
From SAT
Elite
Jul 13
Washington, D.C., United States
73% AI deal score
$1,020
$884
Save $136
From SAT
Elite
Sep 25
Washington, D.C., United States
73% AI deal score
$905
$671
Save $234
From SAT
Elite
Sep 04
Washington, D.C., United States
73% AI deal score
$925
$671
Save $254
From SAT
Elite
Sep 12
Washington, D.C., United States
73% AI deal score
$925
$671
Save $254
From SAT
Elite
Aug 13
Washington, D.C., United States
73% AI deal score
$890
$671
Save $219
From SAT
Elite
Sep 10
Washington, D.C., United States
73% AI deal score
$925
$671
Save $254
From SAT
Elite
Jul 24
Washington, D.C., United States
72% AI deal score
$980
$853
Save $127
From SAT
Elite
Jul 24
Washington, D.C., United States
72% AI deal score
$999
$884
Save $115
From SAT
Elite
Aug 07
Washington, D.C., United States
72% AI deal score
$874
$671
Save $203
From SAT
Elite
Nov 13
Washington, D.C., United States
72% AI deal score
$815
$671
Save $144
From SAT
Elite
Aug 07
Washington, D.C., United States
72% AI deal score
$907
$725
Save $182
From SAT
Elite
Aug 24
Washington, D.C., United States
71% AI deal score
$1,043
$949
Save $94
From SAT
Elite
Jul 29
Washington, D.C., United States
71% AI deal score
$736
$671
Save $65
From SAT
Elite
Jul 13
Washington, D.C., United States
71% AI deal score
$743
$671
Save $72
From SAT
Elite
Jun 29
Washington, D.C., United States
71% AI deal score
$768
$701
Save $67
From SAT
Elite
Aug 16
Washington, D.C., United States
71% AI deal score
$864
$725
Save $139
From SAT
Elite
Aug 09
Washington, D.C., United States
71% AI deal score
$865
$725
Save $140
From SAT
Elite
Aug 04
Washington, D.C., United States
71% AI deal score
$864
$725
Save $139
From SAT
Elite
Sep 11
Washington, D.C., United States
71% AI deal score
$946
$756
Save $190
From SAT
Elite
Aug 20
Washington, D.C., United States
70% AI deal score
$1,034
$949
Save $85
From SAT
Elite
Jul 08
Washington, D.C., United States
70% AI deal score
$713
$671
Save $42
From SAT
Elite
Nov 12
Washington, D.C., United States
70% AI deal score
$804
$725
Save $79
From SAT
Elite
Aug 20
Washington, D.C., United States
70% AI deal score
$862
$761
Save $101
From SAT
Elite
Aug 25
Washington, D.C., United States
70% AI deal score
$889
$761
Save $128
From SAT
Elite
Aug 20
Washington, D.C., United States
70% AI deal score
$871
$761
Save $110
From SAT
Elite
Aug 22
Washington, D.C., United States
70% AI deal score
$870
$761
Save $109
From SAT
Elite
Aug 22
Washington, D.C., United States
70% AI deal score
$880
$761
Save $119
From SAT
Elite
Aug 24
Washington, D.C., United States
70% AI deal score
$881
$761
Save $120
From SAT
Elite
Aug 24
Washington, D.C., United States
70% AI deal score
$880
$761
Save $119
From SAT
Elite
Jul 28
Washington, D.C., United States
69% AI deal score
$1,376
$1,063
Save $313
From SAT
Elite
Jul 29
Washington, D.C., United States
69% AI deal score
$2,505
$2,363
Save $142
From SAT
Elite
Sep 03
Washington, D.C., United States
69% AI deal score
$981
$949
Save $32
From SAT
Elite
Jun 19
Washington, D.C., United States
69% AI deal score
$1,580
$1,249
Save $331
From SAT
Elite
Jul 28
Washington, D.C., United States
68% AI deal score
$1,357
$1,063
Save $294
From SAT
Elite
Jul 31
Washington, D.C., United States
68% AI deal score
$737
$725
Save $12
From SAT
Elite
Jul 10
Washington, D.C., United States
68% AI deal score
$743
$731
Save $12
From SAT
Elite
Sep 15
Washington, D.C., United States
67% AI deal score
$2,201
From SAT
Elite
Jul 21
Washington, D.C., United States
67% AI deal score
$2,357
From SAT
Elite
Jul 28
Washington, D.C., United States
67% AI deal score
$2,357
From SAT
Elite
Jul 31
Washington, D.C., United States
67% AI deal score
$729
$725
Save $4
From SAT
Elite
Jul 28
Washington, D.C., United States
67% AI deal score
$729
$725
Save $4
From SAT
Elite
Jul 15
Washington, D.C., United States
67% AI deal score
$731
From SAT
Elite
Jul 15
Washington, D.C., United States
67% AI deal score
$731
From SAT
Elite
Jul 17
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 16
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 24
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 10
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 16
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 16
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 15
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 15
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 16
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 25
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 17
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jul 17
Washington, D.C., United States
67% AI deal score
$756
From SAT
Elite
Jun 20
Washington, D.C., United States
67% AI deal score
$1,290
From SAT
Elite
Jun 30
Washington, D.C., United States
66% AI deal score
$752
$719
Save $33
From SAT
Elite
Jul 29
Washington, D.C., United States
66% AI deal score
$2,235
From SAT
Elite
Jul 29
Washington, D.C., United States
66% AI deal score
$2,235
From SAT
Elite
Jul 29
Washington, D.C., United States
66% AI deal score
$2,235
From SAT
Elite
Jul 28
Washington, D.C., United States
50% AI deal score
$2,397
From SAT
Elite
Jul 21
Washington, D.C., United States
50% AI deal score
$2,397
From SAT
Elite
Jul 21
Washington, D.C., United States
50% AI deal score
$2,397
From SAT
Elite
Jul 28
Washington, D.C., United States
50% AI deal score
$2,397
From SAT
Elite
Jul 28
Washington, D.C., United States
49% AI deal score
$2,413