$94+ Cheap flights from Baltimore to San Diego (BWI - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAN
Aug 16 — Aug 231
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Baltimore/Washington to San Diego are usually found in February or January, booked 4 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Baltimore to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to San DiegoExplore the most affordable flight options available from Baltimore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
Explore the most affordable flight options available from Baltimore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.
This Priceline deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am
BWI
- SAN
1 stop10h 40m
Alaska Airlines
Tue 10/65:21 pm
SAN
- BWI
1 stop8h 59m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$181
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:15 pm
BWI
- SAN
1 stop18h 31m
Alaska Airlines
Tue 9/229:31 am
SAN
- BWI
1 stop17h 59m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$187
This Orbitz deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Mon 8/316:12 pm
SAN
- BWI
1 stop18h 28m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Mon 8/316:12 pm
SAN
- BWI
1 stop18h 28m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am
BWI
- SAN
2 stops17h 50m
Alaska Airlines
Tue 10/132:59 pm
SAN
- BWI
1 stop11h 21m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:50 am
BWI
- SAN
1 stop9h 52m
Alaska Airlines
Mon 9/284:02 pm
SAN
- BWI
1 stop20h 38m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:25 pm
BWI
- SAN
1 stop7h 35m
Frontier
Fri 8/213:45 pm
SAN
- BWI
2 stops27h 11m
Frontier
Deal found 7/17![Frontier logo]()
$264
This Travelocity deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:12 pm
BWI
- SAN
2 stops17h 31m
Alaska Airlines
Wed 10/288:50 am
SAN
- BWI
2 stops17h 30m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Sun 9/138:06 pm
SAN
- BWI
1 stop16h 34m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:25 pm
BWI
- SAN
1 stop7h 35m
Frontier
Mon 8/174:28 pm
SAN
- BWI
2 stops16h 56m
Frontier
Deal found 7/16![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:45 am
BWI
- SAN
2 stops11h 56m
Frontier
Tue 8/254:36 pm
SAN
- BWI
1 stop18h 04m
Frontier
Deal found 7/16![Frontier logo]()
$303
Best flights from Baltimore to San DiegoDiscover carefully curated flight deals from Baltimore to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
Discover carefully curated flight deals from Baltimore to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
BWI
- SAN
1 stop10h 40m
Alaska Airlines
Thu 10/2911:07 am
SAN
- BWI
1 stop15h 13m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:20 am
BWI
- SAN
1 stop8h 30m
Southwest
Sat 10/318:35 am
SAN
- BWI
1 stop6h 45m
Southwest
Deal found 7/16![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:36 pm
BWI
- SAN
1 stop7h 40m
Delta
Thu 8/2010:17 pm
SAN
- BWI
1 stop7h 37m
Delta
Deal found 7/14![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/64:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Wed 9/96:12 pm
SAN
- BWI
1 stop18h 28m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:30 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Sat 9/266:15 pm
SAN
- BWI
1 stop9h 20m
Southwest
Deal found 7/16![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:05 am
BWI
- SAN
1 stop7h 33m
Delta
Sun 8/910:25 pm
SAN
- BWI
1 stop7h 54m
Delta
Deal found 7/14![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:35 pm
BWI
- SAN
1 stop8h 35m
Southwest
Mon 9/216:35 am
SAN
- BWI
Nonstop5h 05m
Southwest
Deal found 7/12![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:30 am
BWI
- SAN
1 stop6h 50m
Southwest
Mon 9/141:15 pm
SAN
- BWI
1 stop7h 10m
Southwest
Deal found 7/12![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:40 am
BWI
- SAN
1 stop8h 35m
Southwest
Mon 8/1710:40 pm
SAN
- BWI
1 stop7h 35m
Southwest
Deal found 7/15![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:05 pm
BWI
- SAN
1 stop8h 25m
Southwest
Tue 10/276:30 am
SAN
- BWI
2 stops8h 00m
Southwest
Deal found 7/14![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:20 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Tue 8/1810:40 pm
SAN
- BWI
Nonstop4h 55m
Southwest
Deal found 7/16![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:40 am
BWI
- SAN
1 stop7h 55m
Southwest
Mon 10/128:40 am
SAN
- BWI
2 stops8h 00m
Southwest
Deal found 7/13![Southwest logo]()
$407
Last-minute flights from Baltimore to San DiegoDiscover last-minute flight deals from Baltimore to San Diego. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Diego. Data last updated July 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:25 pm
BWI
- SAN
1 stop7h 35m
Frontier
Fri 8/213:45 pm
SAN
- BWI
2 stops27h 11m
Frontier
Deal found 7/17![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:25 pm
BWI
- SAN
1 stop7h 35m
Frontier
Mon 8/174:28 pm
SAN
- BWI
2 stops16h 56m
Frontier
Deal found 7/16![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:25 pm
BWI
- SAN
1 stop7h 35m
Frontier
Sat 8/226:25 am
SAN
- BWI
2 stops11h 12m
Frontier
Deal found 7/14![Frontier logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:50 am
BWI
- SAN
1 stop12h 23m
Alaska Airlines
Tue 9/16:35 pm
SAN
- BWI
1 stop8h 55m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$297
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Wed 8/268:16 pm
SAN
- BWI
1 stop16h 24m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:45 am
BWI
- SAN
2 stops11h 56m
Frontier
Tue 8/254:36 pm
SAN
- BWI
1 stop18h 04m
Frontier
Deal found 7/16![Frontier logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Mon 8/316:12 pm
SAN
- BWI
1 stop18h 28m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$207
This Orbitz deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Mon 8/316:12 pm
SAN
- BWI
1 stop18h 28m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:15 pm
BWI
- SAN
1 stop18h 24m
Alaska Airlines
Sun 8/308:16 pm
SAN
- BWI
1 stop16h 24m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$307
One-way flights from Baltimore to San DiegoSearch for one-way flight options from Baltimore to San Diego. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
Search for one-way flight options from Baltimore to San Diego. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:50 am
BWI
- SAN
1 stop9h 54m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$94
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$99
This CheapOair deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:50 am
BWI
- SAN
1 stop9h 52m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$104
This CheapOair deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:29 pm
BWI
- SAN
2 stops29h 30m
Frontier
Deal found 7/12![Frontier logo]()
$131
This Priceline deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:25 pm
BWI
- SAN
1 stop7h 35m
Frontier
Deal found 7/15![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:02 pm
BWI
- SAN
2 stops30h 39m
Frontier
Deal found 7/16![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:32 pm
BWI
- SAN
2 stops45h 09m
Frontier
Deal found 7/16![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:11 am
BWI
- SAN
2 stops32h 30m
Frontier
Deal found 7/16![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:37 pm
BWI
- SAN
2 stops32h 14m
Frontier
Deal found 7/14![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:32 pm
BWI
- SAN
2 stops45h 09m
Frontier
Deal found 7/15![Frontier logo]()
$144
Find flight deals from Baltimore to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $181 (Priceline) |
One-way from | $94 (Alaska Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $466 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 17, 2026.
Use the filters below to find and compare flights from Baltimore to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Sat 10/24
7:00 am-2:40 pm
1 stop10h 40m
San Diego
Thu 10/29
11:07 am-5:20 am
1 stop15h 13m
$307
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Sun 9/6
4:43 pm-10:30 am
1 stop20h 47m
San Diego
Wed 9/9
6:12 pm-3:40 pm
1 stop18h 28m
$307
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Wed 10/28
8:20 am-1:50 pm
1 stop8h 30m
San Diego
Sat 10/31
8:35 am-6:20 pm
1 stop6h 45m
$322
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 9/24
8:30 pm-10:45 pm
Nonstop5h 15m
San Diego
Sat 9/26
6:15 pm-6:35 am
1 stop9h 20m
$352
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Mon 9/14
12:35 pm-6:10 pm
1 stop8h 35m
San Diego
Mon 9/21
6:35 am-2:40 pm
Nonstop5h 05m
$378
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 8/13
5:36 pm-10:16 pm
1 stop7h 40m
San Diego
Thu 8/20
10:17 pm-8:54 am
1 stop7h 37m
$387
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Fri 9/11
6:30 am-10:20 am
1 stop6h 50m
San Diego
Mon 9/14
1:15 pm-11:25 pm
1 stop7h 10m
$392
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Wed 8/5
6:05 am-10:38 am
1 stop7h 33m
San Diego
Sun 8/9
10:25 pm-9:19 am
1 stop7h 54m
$397
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Thu 8/13
7:40 am-1:15 pm
1 stop8h 35m
San Diego
Mon 8/17
10:40 pm-9:15 am
1 stop7h 35m
$397
BaltimoreSan Diego
BWI - SAN
BWISAN
Baltimore/Washington
Fri 10/23
7:05 pm-12:30 am
1 stop8h 25m
San Diego
Tue 10/27
6:30 am-5:30 pm
2 stops8h 00m
$398
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Baltimore to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Diego in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Baltimore-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Baltimore to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Baltimore with our price prediction graph.
BWI-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to San Diego
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How far ahead should I book a flight from Baltimore to San Diego?
Booking 3 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Baltimore to San Diego?
Currently, February is the cheapest month in which you can book a flight from Baltimore to San Diego (average of $352). Flying from Baltimore to San Diego in June is currently the most expensive (average of $502). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BWI to SAN?
Find hourly flight availability from Baltimore to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 17, 2026.
It’s typically best to fly out from Baltimore to San Diego in the evening. Doing so could potentially save you 35% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Baltimore to San Diego?
Use this chart to determine the cheapest time to fly round-trip from Baltimore to San Diego. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Baltimore to San Diego flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from Baltimore to San Diego?
Share of 1-stop round-trip flights from Baltimore to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 83% of 1-stop itineraries from Baltimore to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Baltimore to San Diego?
Average round-trip fare for 1-stop flights from Baltimore to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Los Angeles (LAX) is the most affordable 1-stop option, with an average round-trip price of $256.
What’s the fastest layover option from Baltimore to San Diego?
Shortest average travel time for 1-stop one-way flights from Baltimore to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 7h 32m.
Which airport typically offers the quickest layover for flights from Baltimore to San Diego?
Average layover duration for 1-stop one-way flights from Baltimore to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Los Angeles (LAX) offer the fastest connection on this route, with an average layover time of 1h 11m.
The best insider tips for Baltimore to San Diego flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to San Diego trip
Our travel experts
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated July 17, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Baltimore to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Baltimore to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove
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Baltimore and San Diego flights
Browse other Baltimore and San Diego flight options. Last updated on July 17, 2026.
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Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 17, 2026.
Top 7 airlines flying from Baltimore to San Diego
Discover the top 7 airlines that operate flights from Baltimore to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$192 | Average$381 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$392 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$257 | Average$349 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$286 | Average$455 | FlexibilityNo cancel fee | On-time71% |