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
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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.
Round trip
Sort by: Cheapest
July 28 - August 10
SAN - Washington, D.C.
$303
$161
Round trip
August 12 - August 20
SAN - Washington, D.C.
$320
$161
Round trip
July 28 - August 20
SAN - Washington, D.C.
$303
$161
Round trip
August 17 - August 20
SAN - Washington, D.C.
$347
$176
Round trip
August 13 - August 20
SAN - Washington, D.C.
$333
$176
Round trip
August 24 - August 31
SAN - Washington, D.C.
$334
$181
Round trip
July 28 - August 12
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
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.
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
Flights from $243
November
Flights from $490
Direct flights from San Diego to Washington, D.C.
Alaska Airlines, Inc.
Last-minute flights going from San Diego to Washington, D.C.
Wed, Jun 17
SAN - Washington, D.C.
San Diego (SAN) - Washington, D.C. (BWI)
Frontier Airlines
$1,094
$714
One-way
Wed, Jun 17
SAN - Washington, D.C.
San Diego (SAN) - Washington, D.C. (BWI)
Deutsche Luft Hansa
$1,121
$759
One-way
Thu, Jun 18
SAN - Washington, D.C.
San Diego (SAN) - Washington, D.C. (BWI)
Frontier Airlines
$1,101
$556
One-way
Thu, Jun 18
SAN - Washington, D.C.
San Diego (SAN) - Washington, D.C. (BWI)
Frontier Airlines
$943
$619
One-way
Thu, Jun 18
SAN - Washington, D.C.
San Diego (SAN) - Washington, D.C. (BWI)
Frontier Airlines
$1,117
$652
One-way
Sat, Jun 20
SAN - Washington, D.C.
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.
Jun 18 - Jun 21
$1,101 → $556
49%
Jun 18 - Jun 20
$1,117 → $652
42%
Jun 23 - Jun 30
$899 → $469
48%
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)
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)
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)
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
Elite
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