Trip.com
>
Cheap Flights
>
United States
>
San Diego
>
Washington D.C. to San Diego flight
>
Ronald Reagan Washington National Airport to San Diego International Airport flight

Explore the cheapest one-way and round-trip flights from Ronald Reagan Washington National Airport to San Diego International Airport over the next 90 days, with one-way fares from £85 and round-trip from £154. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      DCA 10:59
      5h 59m
      Direct
      SAN 13:58
      Washington D.C. - San Diego | Sat, Dec 5 | Alaska Airlines
      SAN 09:40
      4h 59m
      Direct
      IAD 17:39
      San Diego - Washington D.C. | Sat, Dec 12 | Alaska Airlines
      £247 £316
      22% off
      22% off
      £316 £247
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Sat, Nov 14 | Alaska Airlines
      SAN 09:41
      4h 59m
      Direct
      IAD 17:40
      San Diego - Washington D.C. | Tue, Nov 17 | Alaska Airlines
      £249 £316
      21% off
      21% off
      £316 £249
    • DCA 18:00
      8h 57m
      1 stop
      SAN 23:57
      Washington D.C. - San Diego | Mon, Nov 9 | Frontier Airlines
      SAN 06:25
      7h 22m
      1 stop
      DCA 16:47
      San Diego - Washington D.C. | Tue, Nov 17 | Frontier Airlines
      £154 £316
      51% off
      51% off
      £316 £154
    • DCA 13:00
      30h 8m
      1 stop
      SAN 16:08
      Washington D.C. - San Diego | Wed, Nov 18 | Frontier Airlines
      SAN 08:50
      17h 20m
      1 stop
      IAD 05:10
      San Diego - Washington D.C. | Wed, Nov 25 | Frontier Airlines
      £160
      49% off
      £316 £160
    • DCA 18:00
      8h 58m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Sat, Dec 5 | Frontier Airlines
      SAN 06:30
      7h 25m
      1 stop
      DCA 16:55
      San Diego - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      £163
      48% off
      £316 £163
    • DCA 18:00
      8h 58m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Tue, Dec 15 | Frontier Airlines
      SAN 11:14
      7h 45m
      1 stop
      DCA 21:59
      San Diego - Washington D.C. | Wed, Dec 16 | Frontier Airlines
      £165
      48% off
      £316 £165
    • DCA 18:00
      8h 57m
      1 stop
      SAN 23:57
      Washington D.C. - San Diego | Sat, Nov 7 | Frontier Airlines
      SAN 06:25
      7h 22m
      1 stop
      DCA 16:47
      San Diego - Washington D.C. | Sat, Nov 14 | Frontier Airlines
      £168
      47% off
      £316 £168
    • DCA 18:05
      8h 53m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Wed, Dec 30 | Frontier Airlines
      SAN 19:56
      7h 11m
      1 stop
      IAD 06:07
      San Diego - Washington D.C. | Thu, Dec 31 | Frontier Airlines
      £170
      46% off
      £316 £170
    • DCA 18:00
      8h 57m
      1 stop
      SAN 23:57
      Washington D.C. - San Diego | Thu, Nov 5 | Frontier Airlines
      SAN 06:25
      7h 22m
      1 stop
      DCA 16:47
      San Diego - Washington D.C. | Sat, Nov 7 | Frontier Airlines
      £170
      46% off
      £316 £170
    • WAS 13:00
      17h 25m
      1 stop
      SAN 14:00
      Washington D.C. - San Diego | Wed, Nov 4 | Normal Airline
      SAN 15:00
      6h
      Direct
      WAS 16:00
      San Diego - Washington D.C. | Fri, Nov 6 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      DCA 18:00
      8h 58m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Sat, Dec 5 | Frontier Airlines
      £85 £170
      50% off
      50% off
      £170 £85
    • DCA 13:54
      13h 3m
      1 stop
      SAN 23:57
      Washington D.C. - San Diego | Thu, Nov 26 | Frontier Airlines
      £86 £170
      49% off
      49% off
      £170 £86
    • DCA 07:00
      30h 19m
      1 stop
      SAN 10:19
      Washington D.C. - San Diego | Wed, Dec 9 | Frontier Airlines
      £88 £170
      48% off
      48% off
      £170 £88
    • DCA 18:00
      8h 58m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Sat, Dec 12 | Frontier Airlines
      £90
      47% off
      £170 £90
    • DCA 18:00
      8h 58m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Tue, Dec 15 | Frontier Airlines
      £90
      47% off
      £170 £90
    • DCA 18:00
      8h 58m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Tue, Dec 8 | Frontier Airlines
      £90
      47% off
      £170 £90
    • DCA 18:00
      8h 58m
      1 stop
      SAN 23:58
      Washington D.C. - San Diego | Mon, Dec 14 | Frontier Airlines
      £90
      47% off
      £170 £90
    • DCA 18:00
      8h 57m
      1 stop
      SAN 23:57
      Washington D.C. - San Diego | Sat, Nov 21 | Frontier Airlines
      £93
      45% off
      £170 £93
    • DCA 13:33
      13h 24m
      1 stop
      SAN 23:57
      Washington D.C. - San Diego | Wed, Dec 2 | Frontier Airlines
      £94
      45% off
      £170 £94
    • WAS 13:00
      17h 25m
      1 stop
      SAN 14:00
      Washington D.C. - San Diego | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      DCA 10:59
      5h 59m
      Direct
      SAN 13:58
      Washington D.C. - San Diego | Sat, Dec 12 | Alaska Airlines
      £155 £541
      71% off
      71% off
      £541 £155
    • DCA 10:59
      5h 55m
      Direct
      SAN 13:54
      Washington D.C. - San Diego | Fri, Dec 18 | Alaska Airlines
      £166 £541
      69% off
      69% off
      £541 £166
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Wed, Nov 18 | Alaska Airlines
      £173 £541
      68% off
      68% off
      £541 £173
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Thu, Nov 12 | Alaska Airlines
      £233
      56% off
      £541 £233
    • DCA 10:59
      6h 2m
      Direct
      SAN 14:01
      Washington D.C. - San Diego | Fri, Nov 20 | Alaska Airlines
      £236
      56% off
      £541 £236
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Wed, Nov 11 | Alaska Airlines
      £350
      35% off
      £541 £350
    • DCA 09:45
      7h 43m
      1 stop
      SAN 14:28
      Washington D.C. - San Diego | Sat, Dec 12 | Delta Air Lines
      £123
      77% off
      £541 £123
    • DCA 12:30
      8h 53m
      1 stop
      SAN 18:23
      Washington D.C. - San Diego | Tue, Dec 15 | Delta Air Lines
      £123
      77% off
      £541 £123
    • DCA 09:45
      7h 43m
      1 stop
      SAN 14:28
      Washington D.C. - San Diego | Sat, Dec 5 | Delta Air Lines
      £124
      77% off
      £541 £124
    • WAS 13:00
      17h 25m
      1 stop
      SAN 14:00
      Washington D.C. - San Diego | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      DCA 16:45
      7h 25m
      Direct
      SAN 21:10
      Washington D.C. - San Diego | Tue, Dec 15 | Hahn Air
      £134 £170
      21% off
      21% off
      £170 £134
    • DCA 10:59
      5h 59m
      Direct
      SAN 13:58
      Washington D.C. - San Diego | Sat, Dec 12 | Alaska Airlines
      £155 £444
      65% off
      65% off
      £444 £155
    • DCA 10:59
      5h 55m
      Direct
      SAN 13:54
      Washington D.C. - San Diego | Fri, Dec 18 | Alaska Airlines
      £166 £444
      63% off
      63% off
      £444 £166
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Wed, Nov 18 | Alaska Airlines
      £173
      61% off
      £444 £173
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Thu, Nov 12 | Alaska Airlines
      £233
      48% off
      £444 £233
    • DCA 10:59
      6h 2m
      Direct
      SAN 14:01
      Washington D.C. - San Diego | Fri, Nov 20 | Alaska Airlines
      £236
      47% off
      £444 £236
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Wed, Nov 11 | Alaska Airlines
      £350
      21% off
      £444 £350
    • WAS 13:00
      17h 25m
      1 stop
      SAN 14:00
      Washington D.C. - San Diego | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • DCA 06:10
      7h 10m
      1 stop
      SAN 10:20
      Washington D.C. - San Diego | Sun, Nov 8 | Delta Air Lines
      £310 £541
      43% off
      43% off
      £541 £310
    • DCA 09:40
      7h 49m
      1 stop
      SAN 14:29
      Washington D.C. - San Diego | Mon, Nov 9 | Delta Air Lines
      £312 £541
      42% off
      42% off
      £541 £312
    • DCA 09:40
      7h 40m
      1 stop
      SAN 14:20
      Washington D.C. - San Diego | Wed, Nov 4 | Delta Air Lines
      £420 £541
      22% off
      22% off
      £541 £420
    • DCA 12:27
      8h 28m
      1 stop
      SAN 17:55
      Washington D.C. - San Diego | Sat, Nov 7 | Delta Air Lines
      £427
      21% off
      £541 £427
    • WAS 13:00
      17h 25m
      1 stop
      SAN 14:00
      Washington D.C. - San Diego | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Wed, Nov 18 | Alaska Airlines
      £173 £444
      61% off
      61% off
      £444 £173
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Thu, Nov 12 | Alaska Airlines
      £233 £444
      48% off
      48% off
      £444 £233
    • DCA 10:59
      5h 48m
      Direct
      SAN 13:47
      Washington D.C. - San Diego | Wed, Nov 11 | Alaska Airlines
      £350 £444
      21% off
      21% off
      £444 £350
    • DCA 10:59
      5h 55m
      Direct
      SAN 13:54
      Washington D.C. - San Diego | Fri, Dec 18 | Alaska Airlines
      £166
      63% off
      £444 £166
    • DCA 10:59
      5h 59m
      Direct
      SAN 13:58
      Washington D.C. - San Diego | Sat, Dec 12 | Alaska Airlines
      £155
      65% off
      £444 £155
    • DCA 10:59
      6h 2m
      Direct
      SAN 14:01
      Washington D.C. - San Diego | Fri, Nov 20 | Alaska Airlines
      £236
      47% off
      £444 £236
    • DCA 16:45
      7h 25m
      Direct
      SAN 21:10
      Washington D.C. - San Diego | Tue, Dec 15 | Hahn Air
      £134
      21% off
      £170 £134
    • DCA 07:45
      8h 2m
      1 stop
      SAN 12:47
      Washington D.C. - San Diego | Thu, Nov 26 | American Airlines
      £104
      39% off
      £170 £104
    • DCA 18:00
      8h 57m
      1 stop
      SAN 23:57
      Washington D.C. - San Diego | Sat, Nov 21 | Frontier Airlines
      £93
      45% off
      £170 £93
    • WAS 13:00
      17h 25m
      1 stop
      SAN 14:00
      Washington D.C. - San Diego | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Washington D.C. to San Diego are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Ronald Reagan Washington National Airport to San Diego International Airport?

The cheapest airline flying from Ronald Reagan Washington National Airport to San Diego International Airport is Frontier Airlines (from £85) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £85
American Airlines
From £104
Delta Air Lines
From £114
Hahn Air
From £133
Alaska Airlines
From £155
United Airlines
From £181
Jetblue Airways
From £210
Qatar Airways
From £301

Find more flights and airlines

What is the flight schedule from Ronald Reagan Washington National Airport to San Diego International Airport?

Check the schedule for flights from Washington D.C. to San Diego and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2869

    Ronald Reagan Washington National Airport

    06:00

    DCA

    1h 39m

    Direct

    07:39

    DTW

    S M T W T F S
    Search

  2. DL492

    Detroit Metropolitan Wayne County Airport

    08:30

    DTW

    4h 50m

    Direct

    10:20

    SAN

    S M T W T F S

  3. DL2476

    Ronald Reagan Washington National Airport

    12:27

    DCA

    1h 37m

    Direct

    14:04

    DTW

    S M T W T F -
    Search

  4. DL369

    Detroit Metropolitan Wayne County Airport

    16:30

    DTW

    4h 57m

    Direct

    18:27

    SAN

    S M T W T F S

  5. DL410

    Ronald Reagan Washington National Airport

    06:00

    DCA

    1h 59m

    Direct

    07:59

    ATL

    S M T W T F S
    Search

  6. DL924

    Hartsfield–Jackson Atlanta International Airport

    16:55

    ATL

    4h 47m

    Direct

    18:42

    SAN

    S M T W T F S

  7. F9689

    Ronald Reagan Washington National Airport

    18:00

    DCA

    4h 10m

    Direct

    20:10

    DEN

    S M - W T F S
    Search

  8. F92711

    Denver International Airport

    22:29

    DEN

    2h 29m

    Direct

    23:58

    SAN

    S M T W T F S

  9. DL5713

    Ronald Reagan Washington National Airport

    17:00

    DCA

    1h 36m

    Direct

    18:36

    JFK

    S M T W T F S
    Search

  10. DL685

    John F. Kennedy International Airport

    20:20

    JFK

    6h 25m

    Direct

    23:45

    SAN

    S M T W T - S

  11. DL1798

    Ronald Reagan Washington National Airport

    14:00

    DCA

    1h 58m

    Direct

    15:58

    ATL

    S - - - - - -
    Search

  12. DL819

    Hartsfield–Jackson Atlanta International Airport

    19:50

    ATL

    4h 51m

    Direct

    21:41

    SAN

    S M T W T F S

  13. F9687

    Ronald Reagan Washington National Airport

    13:00

    DCA

    4h 9m

    Direct

    15:09

    DEN

    S - T W T F S
    Search

  14. F92711

    Denver International Airport

    22:29

    DEN

    2h 29m

    Direct

    23:58

    SAN

    S M T W T F S

  15. F9685

    Ronald Reagan Washington National Airport

    07:00

    DCA

    4h 16m

    Direct

    09:16

    DEN

    S M T W T F S
    Search

  16. F92711

    Denver International Airport

    22:29

    DEN

    2h 29m

    Direct

    23:58

    SAN

    S M T W T F S

  17. DL5713

    Ronald Reagan Washington National Airport

    17:00

    DCA

    1h 36m

    Direct

    18:36

    JFK

    S M T W T F S
    Search

  18. DL781

    John F. Kennedy International Airport

    21:00

    JFK

    5h 55m

    Direct

    23:55

    LAS

    S - - W T - S

  19. F91469

    Harry Reid International Airport

    06:31

    LAS

    1h 24m

    Direct

    07:55

    SAN

    S - - W T - S

  20. F9689

    Ronald Reagan Washington National Airport

    18:00

    DCA

    4h 10m

    Direct

    20:10

    DEN

    S M - W T F S
    Search

  21. F92817

    Denver International Airport

    13:54

    DEN

    2h 27m

    Direct

    15:21

    SAN

    S M T W T F S
Find more flights and airlines

About Ronald Reagan Washington National Airport and San Diego International Airport

Learn about Ronald Reagan Washington National Airport (DCA) and San Diego International Airport (SAN) — including location, terminals, transportation, and travel tips.

Flight distance 3,659.1km
Cheapest one-way ticket price £85
Cheapest return ticket price £154

FAQs for Ronald Reagan Washington National Airport to San Diego International Airport Flights

  • How long is the flight from Ronald Reagan Washington National Airport to San Diego International Airport?

    Ronald Reagan Washington National Airport to San Diego International Airport takes about 5 hours 54 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from Ronald Reagan Washington National Airport (DCA) to San Diego International Airport (SAN).
  • The earliest flight from Ronald Reagan Washington National Airport to San Diego International Airport departs at 10:59, and the last departs at 20:10, with about 6 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Ronald Reagan Washington National Airport (DCA) to San Diego International Airport (SAN) is quite popular. Without considering departure times or holidays, tickets cost around £350 in November, the most expensive month to book this route.
    • The distance from San Diego International Airport to downtown is about 3km, by taxi about 20 minutes.
    • The distance from McClellan-Palomar Airport to downtown is about 47km, by taxi about 1 hour.
  • Alaska Airlines is a very popular airline operating an average of 129 flights per month.
  • One-way flights from Ronald Reagan Washington National Airport to San Diego International Airport currently start from £85, and round-trip fares start from £154. The current lowest fare is a Frontier Airlines flight departing on Sat, Dec 5; prices may vary depending on availability.
  • Yes. Alaska Airlines operate direct flights from Ronald Reagan Washington National Airport to San Diego International Airport, with an average flight time of 5 hours 56 minutes, and around 15 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Ronald Reagan Washington National Airport to San Diego International Airport is £218. Prices may vary depending on the departure date, airline, and availability.
  • Ronald Reagan Washington National Airport to San Diego International Airport operates around 15 weekly flights, mainly by Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Ronald Reagan Washington National Airport and San Diego International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.