Trip.com
>
Flights
>
Flights to United States
>
Flights to California
>
Flights to San Diego
>
Baltimore to San Diego flight
>
Baltimore/Washington International Airport to San Diego International Airport flight

Explore the cheapest one-way and round-trip flights from Baltimore/Washington International Airport to San Diego International Airport over the next 90 days, with one-way fares from $130 and round-trip from $259. Based on Trip.com's latest 7-day flight data.

    • BWI 6:00 AM
      9h 44m
      1 stop
      SAN 12:44 PM
      Baltimore - San Diego | Thu, Nov 5 | Delta Air Lines
      SAN 11:39 AM
      8h 48m
      1 stop
      BWI 11:27 PM
      San Diego - Baltimore | Thu, Nov 12 | Delta Air Lines
      $259 $455
      43% off
      43% off
      $455 $259
    • BWI 10:30 AM
      9h
      1 stop
      SAN 4:30 PM
      Baltimore - San Diego | Tue, Dec 8 | Delta Air Lines
      SAN 1:19 PM
      8h 48m
      1 stop
      BWI 1:07 AM
      San Diego - Baltimore | Mon, Dec 14 | Delta Air Lines
      $273 $455
      40% off
      40% off
      $455 $273
    • BWI 2:00 PM
      8h 41m
      1 stop
      SAN 7:41 PM
      Baltimore - San Diego | Thu, Nov 19 | Delta Air Lines
      SAN 7:10 PM
      7h 50m
      1 stop
      BWI 6:00 AM
      San Diego - Baltimore | Mon, Nov 23 | Delta Air Lines
      $276 $455
      39% off
      39% off
      $455 $276
    • BWI 6:27 PM
      8h 27m
      1 stop
      SAN 11:54 PM
      Baltimore - San Diego | Thu, Dec 3 | American Airlines
      SAN 1:29 PM
      7h 26m
      1 stop
      BWI 11:55 PM
      San Diego - Baltimore | Tue, Dec 8 | American Airlines
      $279
      39% off
      $455 $279
    • BWI 6:20 AM
      7h 40m
      1 stop
      SAN 11:00 AM
      Baltimore - San Diego | Sat, Oct 31 | American Airlines
      SAN 6:15 AM
      7h 45m
      1 stop
      BWI 5:00 PM
      San Diego - Baltimore | Tue, Nov 3 | American Airlines
      $292
      36% off
      $455 $292
    • BWI 5:45 AM
      7h 54m
      1 stop
      SAN 10:39 AM
      Baltimore - San Diego | Tue, Nov 10 | American Airlines
      SAN 10:20 PM
      7h 26m
      1 stop
      BWI 8:46 AM
      San Diego - Baltimore | Wed, Nov 18 | American Airlines
      $293
      36% off
      $455 $293
    • BWI 5:45 AM
      7h 54m
      1 stop
      SAN 10:39 AM
      Baltimore - San Diego | Tue, Nov 3 | American Airlines
      SAN 6:15 AM
      7h 45m
      1 stop
      BWI 5:00 PM
      San Diego - Baltimore | Wed, Nov 11 | American Airlines
      $303
      33% off
      $455 $303
    • BWI 7:05 PM
      7h 51m
      1 stop
      SAN 11:56 PM
      Baltimore - San Diego | Fri, Nov 6 | American Airlines
      SAN 10:40 PM
      9h 30m
      1 stop
      BWI 11:10 AM
      San Diego - Baltimore | Mon, Nov 9 | American Airlines
      $313
      31% off
      $455 $313
    • BWI 6:32 PM
      8h 6m
      1 stop
      SAN 11:38 PM
      Baltimore - San Diego | Fri, Dec 4 | Delta Air Lines
      SAN 6:15 AM
      9h 14m
      1 stop
      BWI 6:29 PM
      San Diego - Baltimore | Wed, Dec 9 | Delta Air Lines
      $317
      30% off
      $455 $317
    • BWI 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Baltimore - San Diego | Sun, Oct 25 | Normal Airline
      SAN 3:00 PM
      6h
      Nonstop
      BWI 4:00 PM
      San Diego - Baltimore | Tue, Oct 27 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      BWI 5:01 AM
      9h 17m
      1 stop
      SAN 11:18 AM
      Baltimore - San Diego | Mon, Nov 23 | American Airlines
      $130 $592
      78% off
      78% off
      $592 $130
    • BWI 5:45 AM
      7h 54m
      1 stop
      SAN 10:39 AM
      Baltimore - San Diego | Mon, Nov 2 | American Airlines
      $139 $592
      77% off
      77% off
      $592 $139
    • BWI 7:18 AM
      8h 21m
      1 stop
      SAN 12:39 PM
      Baltimore - San Diego | Wed, Nov 11 | American Airlines
      $159 $592
      73% off
      73% off
      $592 $159
    • BWI 7:02 AM
      11h 48m
      1 stop
      SAN 3:50 PM
      Baltimore - San Diego | Tue, Nov 3 | Alaska Airlines
      $162
      73% off
      $592 $162
    • BWI 5:45 AM
      7h 54m
      1 stop
      SAN 10:39 AM
      Baltimore - San Diego | Tue, Nov 3 | American Airlines
      $163
      72% off
      $592 $163
    • BWI 1:30 PM
      8h 34m
      1 stop
      SAN 7:04 PM
      Baltimore - San Diego | Thu, Nov 12 | American Airlines
      $165
      72% off
      $592 $165
    • BWI 2:33 PM
      9h 13m
      1 stop
      SAN 8:46 PM
      Baltimore - San Diego | Sat, Nov 14 | American Airlines
      $165
      72% off
      $592 $165
    • BWI 8:08 AM
      8h
      1 stop
      SAN 1:08 PM
      Baltimore - San Diego | Tue, Nov 17 | Delta Air Lines
      $166
      72% off
      $592 $166
    • BWI 6:00 AM
      8h 54m
      1 stop
      SAN 11:54 AM
      Baltimore - San Diego | Fri, Dec 4 | Delta Air Lines
      $166
      72% off
      $592 $166
    • BWI 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Baltimore - San Diego | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights
    • BWI 8:00 AM
      8h 26m
      1 stop
      SAN 1:26 PM
      Baltimore - San Diego | Thu, Nov 26 | American Airlines
      $154 $463
      67% off
      67% off
      $463 $154
    • BWI 1:22 PM
      8h 38m
      1 stop
      SAN 7:00 PM
      Baltimore - San Diego | Sat, Oct 31 | American Airlines
      $180 $463
      61% off
      61% off
      $463 $180
    • BWI 6:00 AM
      7h 29m
      1 stop
      SAN 10:29 AM
      Baltimore - San Diego | Thu, Nov 26 | Delta Air Lines
      $187 $463
      60% off
      60% off
      $463 $187
    • BWI 5:19 PM
      8h 35m
      1 stop
      SAN 10:54 PM
      Baltimore - San Diego | Tue, Dec 22 | Delta Air Lines
      $206
      56% off
      $463 $206
    • BWI 6:00 AM
      7h 29m
      1 stop
      SAN 10:29 AM
      Baltimore - San Diego | Fri, Nov 27 | Delta Air Lines
      $217
      53% off
      $463 $217
    • BWI 2:00 PM
      8h 41m
      1 stop
      SAN 7:41 PM
      Baltimore - San Diego | Wed, Nov 25 | Delta Air Lines
      $229
      51% off
      $463 $229
    • BWI 1:27 PM
      8h 47m
      1 stop
      SAN 7:14 PM
      Baltimore - San Diego | Wed, Nov 25 | American Airlines
      $240
      48% off
      $463 $240
    • BWI 6:04 AM
      8h 14m
      1 stop
      SAN 11:18 AM
      Baltimore - San Diego | Fri, Nov 27 | American Airlines
      $248
      46% off
      $463 $248
    • BWI 2:00 PM
      8h 41m
      1 stop
      SAN 7:41 PM
      Baltimore - San Diego | Wed, Nov 11 | Delta Air Lines
      $250
      46% off
      $463 $250
    • BWI 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Baltimore - San Diego | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights
    • BWI 5:00 AM
      7h 10m
      1 stop
      SAN 9:10 AM
      Baltimore - San Diego | Thu, Oct 29 | American Airlines
      $414 $592
      30% off
      30% off
      $592 $414
    • BWI 7:05 PM
      7h 40m
      1 stop
      SAN 11:45 PM
      Baltimore - San Diego | Tue, Dec 22 | American Airlines
      $438 $626
      30% off
      30% off
      $626 $438
    • BWI 5:45 AM
      7h 54m
      1 stop
      SAN 10:39 AM
      Baltimore - San Diego | Mon, Nov 2 | American Airlines
      $139 $592
      77% off
      77% off
      $592 $139
    • BWI 5:45 AM
      7h 54m
      1 stop
      SAN 10:39 AM
      Baltimore - San Diego | Tue, Nov 3 | American Airlines
      $163
      72% off
      $592 $163
    • BWI 7:00 AM
      7h 54m
      1 stop
      SAN 11:54 AM
      Baltimore - San Diego | Fri, Dec 11 | Delta Air Lines
      $166
      72% off
      $592 $166
    • BWI 8:08 AM
      8h
      1 stop
      SAN 1:08 PM
      Baltimore - San Diego | Tue, Nov 17 | Delta Air Lines
      $166
      72% off
      $592 $166
    • BWI 7:18 AM
      8h 21m
      1 stop
      SAN 12:39 PM
      Baltimore - San Diego | Wed, Nov 11 | American Airlines
      $159
      73% off
      $592 $159
    • BWI 1:30 PM
      8h 34m
      1 stop
      SAN 7:04 PM
      Baltimore - San Diego | Thu, Nov 12 | American Airlines
      $165
      72% off
      $592 $165
    • BWI 6:00 AM
      8h 54m
      1 stop
      SAN 11:54 AM
      Baltimore - San Diego | Fri, Dec 4 | Delta Air Lines
      $166
      72% off
      $592 $166
    • BWI 1:00 PM
      17h 25m
      1 stop
      SAN 2:00 PM
      Baltimore - San Diego | Sun, Oct 25 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Baltimore 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 Baltimore/Washington International Airport to San Diego International Airport?

The cheapest airline flying from Baltimore/Washington International Airport to San Diego International Airport is American Airlines (from $130) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From $130
Alaska Airlines
From $162
Delta Air Lines
From $166
United Airlines
From $186
Frontier Airlines
From $209
Sun Country Airlines
From $232

Find more flights and airlines

What is the flight schedule from Baltimore/Washington International Airport to San Diego International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA1708

    Baltimore/Washington International Airport

    6:20 AM

    BWI

    1h 30m

    Nonstop

    7:50 AM

    CLT

    S M T W T F S
    Search

  2. AA466

    Charlotte Douglas International Airport

    11:00 AM

    CLT

    5h 15m

    Nonstop

    1:15 PM

    SAN

    S M T W T F S

  3. DL2601

    Baltimore/Washington International Airport

    6:00 AM

    BWI

    1h 44m

    Nonstop

    7:44 AM

    DTW

    S M T W T F S
    Search

  4. DL492

    Detroit Metropolitan Wayne County Airport

    8:30 AM

    DTW

    4h 50m

    Nonstop

    10:20 AM

    SAN

    S M T W T F S

  5. UA2012

    Baltimore/Washington International Airport

    4:15 PM

    BWI

    4h 10m

    Nonstop

    6:25 PM

    DEN

    S M T W T F S
    Search

  6. UA540

    Denver International Airport

    7:10 PM

    DEN

    2h 29m

    Nonstop

    8:39 PM

    SAN

    S M T W T F S

  7. DL1267

    Baltimore/Washington International Airport

    6:10 PM

    BWI

    2h 7m

    Nonstop

    8:17 PM

    ATL

    S M T W T - S
    Search

  8. DL896

    Hartsfield–Jackson Atlanta International Airport

    9:15 PM

    ATL

    4h 48m

    Nonstop

    11:03 PM

    SAN

    S - - - - - S

  9. DL2579

    Baltimore/Washington International Airport

    7:00 AM

    BWI

    2h 8m

    Nonstop

    9:08 AM

    ATL

    S M T W T F S
    Search

  10. DL924

    Hartsfield–Jackson Atlanta International Airport

    4:55 PM

    ATL

    4h 47m

    Nonstop

    6:42 PM

    SAN

    S M T W T F S

  11. UA2748

    Baltimore/Washington International Airport

    4:15 PM

    BWI

    3h 39m

    Nonstop

    6:54 PM

    IAH

    S M T W - - S
    Search

  12. UA1911

    George Bush Intercontinental Airport

    8:29 PM

    IAH

    3h 30m

    Nonstop

    9:59 PM

    SAN

    S M T W T F S

  13. AA1213

    Baltimore/Washington International Airport

    7:14 PM

    BWI

    3h 36m

    Nonstop

    9:50 PM

    DFW

    S - - W T F S
    Search

  14. AA2568

    Dallas Fort Worth International Airport

    10:32 PM

    DFW

    3h 6m

    Nonstop

    11:38 PM

    SAN

    S - - W T F S

  15. DL2872

    Baltimore/Washington International Airport

    7:30 AM

    BWI

    2h 52m

    Nonstop

    9:22 AM

    MSP

    S M T W T F S
    Search

  16. DL1683

    Minneapolis-Saint Paul International Airport

    11:00 AM

    MSP

    4h

    Nonstop

    1:00 PM

    SAN

    S M T W T F S

  17. UA590

    Baltimore/Washington International Airport

    5:30 PM

    BWI

    2h 23m

    Nonstop

    6:53 PM

    ORD

    S M T W T F S
    Search

  18. UA2472

    O'Hare Intl. Airport

    4:40 PM

    ORD

    4h 46m

    Nonstop

    7:26 PM

    SAN

    S M T W - - S

  19. DL1176

    Baltimore/Washington International Airport

    7:10 AM

    BWI

    5h 1m

    Nonstop

    10:11 AM

    SLC

    S M T W T F S
    Search

  20. DL1296

    Salt Lake City International Airport

    11:35 AM

    SLC

    1h 58m

    Nonstop

    12:33 PM

    SAN

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

About Baltimore/Washington International Airport and San Diego International Airport

Learn about Baltimore/Washington International Airport (BWI) and San Diego International Airport (SAN) — including location, terminals, transportation, and travel tips.

Flight distance 3,690.38 km
Cheapest one-way ticket price $130
Cheapest return ticket price $259

FAQs for Baltimore/Washington International Airport to San Diego International Airport Flights

  • How long is the flight from Baltimore/Washington International Airport to San Diego International Airport?

    Baltimore/Washington International Airport to San Diego International Airport takes about 6 hours 30 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 6 daily flights from Baltimore/Washington International Airport (BWI) to San Diego International Airport (SAN).
  • The earliest flight from Baltimore/Washington International Airport to San Diego International Airport departs at 06:10, and the last departs at 21:35, with about 15 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Baltimore/Washington International Airport (BWI) to San Diego International Airport (SAN) is quite popular. Without considering departure times or holidays, tickets cost around $552 in October, the most expensive month to book this route.
  • The earliest flight departs from Baltimore/Washington International Airport (BWI) at 06:42 and arrives in San Diego International Airport (SAN) at 15:06.
  • The latest flight departs from Baltimore/Washington International Airport (BWI) at 19:15 and arrives in San Diego International Airport (SAN) at 21:45.
    • The distance from San Diego International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.
    • The distance from McClellan-Palomar Airport to downtown is about 47 km. It takes about 1 hour by taxi.
  • United Airlines is a very popular airline operating an average of 74 flights per month.
  • One-way flights from Baltimore/Washington International Airport to San Diego International Airport currently start from $130, and round-trip fares start from $259. The current lowest fare is a American Airlines flight departing on Mon, Nov 23; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Baltimore/Washington International Airport to San Diego International Airport, with an average flight time of 6 hours 24 minutes, and around 37 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 Baltimore/Washington International Airport to San Diego International Airport is $283. Prices may vary depending on the departure date, airline, and availability.
  • Baltimore/Washington International Airport to San Diego International Airport operates around 37 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Baltimore/Washington International 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.

Popular Destinations

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.