$122+ Cheap flights from Baltimore to San Diego (BWI - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAN
Oct 17 — Oct 241
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 Tuesday
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 September 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 September 17, 2026.
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:11 pm -
1 stop8h 25m
Tue 10/2010:25 pm -
1 stop9h 29m
Deal found 9/13![Delta logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 11/411:07 am -
1 stop24h 30m
Mon 11/98:32 pm -
2 stops11h 36m
Deal found 9/15![Frontier logo]()
$344
This Southwest deal was found by Cheapflights users on 9/16. 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 10/159:35 pm -
Nonstop5h 40m
Mon 10/1910:40 pm -
1 stop6h 55m
Deal found 9/16![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 9/13. 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.
Sat 10/3110:10 am -
2 stops11h 10m
Mon 11/97:00 pm -
1 stop7h 40m
Deal found 9/13![Southwest logo]()
$347
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:07 am -
2 stops15h 50m
Sun 11/19:32 am -
2 stops20h 49m
Deal found 9/17![Frontier logo]()
$348
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 10/146:00 pm -
1 stop8h 10m
Thu 10/155:05 pm -
Nonstop5h 00m
Deal found 9/15![Southwest logo]()
$349
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:37 pm -
2 stops14h 19m
Fri 10/162:01 pm -
2 stops18h 32m
Deal found 9/16![Frontier logo]()
$350
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:29 pm -
1 stop7h 31m
Mon 10/56:45 pm -
1 stop13h 55m
Deal found 9/16![Frontier logo]()
$351
This Southwest deal was found by Cheapflights users on 9/12. 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 10/237:25 pm -
1 stop7h 45m
Tue 10/279:20 am -
1 stop7h 55m
Deal found 9/12![Southwest logo]()
$352
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:12 pm -
2 stops21h 46m
Thu 10/229:34 am -
2 stops20h 43m
Deal found 9/15![Frontier logo]()
$353
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
1 stop7h 29m
Tue 12/19:50 pm -
1 stop8h 29m
Deal found 9/16![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:14 pm -
1 stop7h 24m
Wed 10/2111:58 am -
1 stop7h 19m
Deal found 9/13![American Airlines logo]()
$356
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 September 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 September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/13. 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.
Tue 10/136:20 am -
Nonstop5h 35m
Tue 10/2010:40 pm -
1 stop6h 55m
Deal found 9/13![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/217:02 am -
1 stop10h 36m
Tue 10/275:20 pm -
1 stop9h 00m
Deal found 9/14![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/17:00 am -
1 stop8h 00m
Thu 1/71:30 pm -
1 stop7h 10m
Deal found 9/16![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 9/12. 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.
Wed 1/2011:50 am -
Nonstop5h 45m
Fri 1/2211:35 am -
Nonstop4h 40m
Deal found 9/12![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop8h 25m
Fri 10/302:10 pm -
1 stop7h 41m
Deal found 9/12![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 12/26:20 pm -
Nonstop5h 40m
Mon 12/76:35 am -
Nonstop4h 45m
Deal found 9/15![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1010:00 am -
1 stop8h 41m
Sun 3/149:40 pm -
1 stop8h 36m
Deal found 9/16![Delta logo]()
$398
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 2/166:25 am -
2 stops8h 50m
Sun 2/2112:45 pm -
1 stop7h 55m
Deal found 9/14![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 9/14. 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.
Fri 1/112:22 pm -
1 stop8h 58m
Tue 1/510:40 pm -
1 stop8h 21m
Deal found 9/14![Delta logo]()
$398
This Southwest deal was found by Cheapflights users on 9/16. 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.
Sat 10/176:20 pm -
Nonstop5h 40m
Sat 10/249:50 pm -
Nonstop4h 55m
Deal found 9/16![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:00 am -
1 stop9h 00m
Fri 1/16:15 am -
1 stop9h 03m
Deal found 9/16![Delta logo]()
$417
Last-minute flights from Baltimore to San DiegoDiscover last-minute flight deals from Baltimore to San Diego. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Diego. Data last updated September 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:29 pm -
1 stop7h 31m
Mon 10/56:45 pm -
1 stop13h 55m
Deal found 9/16![Frontier logo]()
$351
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:11 pm -
1 stop8h 25m
Tue 10/2010:25 pm -
1 stop9h 29m
Deal found 9/13![Delta logo]()
$337
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:37 pm -
2 stops14h 19m
Fri 10/162:01 pm -
2 stops18h 32m
Deal found 9/16![Frontier logo]()
$350
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 10/146:00 pm -
1 stop8h 10m
Thu 10/155:05 pm -
Nonstop5h 00m
Deal found 9/15![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 9/16. 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 10/159:35 pm -
Nonstop5h 40m
Mon 10/1910:40 pm -
1 stop6h 55m
Deal found 9/16![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 9/14. 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 10/156:00 am -
1 stop9h 44m
Wed 10/2111:31 am -
1 stop8h 33m
Deal found 9/14![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:14 pm -
1 stop7h 24m
Wed 10/2111:58 am -
1 stop7h 19m
Deal found 9/13![American Airlines logo]()
$356
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:40 am -
2 stops14h 09m
Mon 10/198:34 pm -
2 stops11h 59m
Deal found 9/17![Frontier logo]()
$352
This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:12 pm -
2 stops21h 46m
Thu 10/229:34 am -
2 stops20h 43m
Deal found 9/15![Frontier logo]()
$353
This Delta deal was found by Cheapflights users on 9/14. 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 10/212:11 pm -
1 stop8h 25m
Sun 10/2510:00 pm -
1 stop7h 55m
Deal found 9/14![Delta logo]()
$357
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:07 am -
2 stops15h 50m
Sun 11/19:32 am -
2 stops20h 49m
Deal found 9/17![Frontier logo]()
$348
This Southwest deal was found by Cheapflights users on 9/13. 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.
Sat 10/3110:10 am -
2 stops11h 10m
Mon 11/97:00 pm -
1 stop7h 40m
Deal found 9/13![Southwest logo]()
$347
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 September 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 September 17, 2026.
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:29 pm -
1 stop7h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/29:52 pm -
2 stops29h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$129
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:04 pm -
1 stop9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$130
This Southwest deal was found by Cheapflights users on 9/14. 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.
Wed 10/288:20 am -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$131
This Southwest deal was found by Cheapflights users on 9/15. 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.
Wed 10/216:20 am -
Nonstop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$132
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
1 stop10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$135
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:34 pm -
2 stops11h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$140
This Southwest deal was found by Cheapflights users on 9/14. 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.
Tue 11/34:05 pm -
2 stops9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$141
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:45 am -
2 stops16h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Tue 10/63:10 pm -
2 stops28h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$143
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:14 pm -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/139:52 pm -
2 stops21h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$147
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (Delta) |
One-way from | $122 (Priceline) |
Popular in | June |
Cheapest in | February |
Average price | $468 |
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 7,457,451 searches. Data last updated September 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 Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Sat 10/31
1:40 pm-4:15 pm
Nonstop5h 35m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$132
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Wed 11/11
4:50 pm-10:34 pm
1 stop8h 44m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$135
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Tue 12/15
10:43 am-8:08 pm
2 stops12h 25m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$140
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Tue 10/13
9:50 am-2:20 pm
1 stop7h 30m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$153
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Mon 11/2
7:00 am-12:25 pm
1 stop8h 25m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$154
Quickest round-trip
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Sat 12/5
5:50 pm-8:20 pm
Nonstop5h 30m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Sat 12/12
10:10 am-4:15 pm
1 stop9h 05m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Thu 12/10
6:32 pm-11:39 pm
1 stop8h 07m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Fri 10/16
9:35 pm-12:15 am
Nonstop5h 40m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
BaltimoreSan Diego
BWI Baltimore/Washington - SAN San Diego
BWISAN
Baltimore/Washington
Sun 11/22
8:45 pm-11:20 pm
Nonstop5h 35m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
Showing 1-10 of 22 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 September.
| 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 |
- 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 $350). Flying from Baltimore to San Diego in June is currently the most expensive (average of $500). 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 September 17, 2026.
It’s typically best to fly out from Baltimore to San Diego in the evening. Doing so could potentially save you 28% 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 September 12, 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 71% 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 September 17, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta 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.
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
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
Coronado
San Ysidro
Poway
La Mesa
Santee
Julian
Lemon Grove
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Baltimore and San Diego flights
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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 September 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$129 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$186 | Average$387 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$225 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$376 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$259 | Average$431 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$278 | Average$455 | FlexibilityNo cancel fee | On-time71% |