$164+ Cheap flights from Baltimore to San Francisco (BWI - SFO)
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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
Jun 25 — Jul 21
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to San Francisco 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 Francisco are usually found in April or October, booked 31 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Baltimore to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to San FranciscoExplore the most affordable flight options available from Baltimore to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.
Explore the most affordable flight options available from Baltimore to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.
This Frontier deal was found by Cheapflights users on 5/21. 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.
Sat 5/308:52 am
BWI
- SFO
1 stop13h 42m
Frontier
Tue 6/211:59 pm
SFO
- BWI
1 stop14h 26m
Frontier
Deal found 5/21![Frontier logo]()
$336
This Southwest deal was found by Cheapflights users on 5/25. 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 7/86:30 pm
BWI
- SFO
1 stop8h 45m
Southwest
Tue 7/145:00 am
SFO
- BWI
2 stops9h 55m
Southwest
Deal found 5/25![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 5/25. 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 9/168:55 am
BWI
- SFO
Nonstop5h 40m
Southwest
Mon 9/2110:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 5/25![Southwest logo]()
$339
This Frontier deal was found by Cheapflights users on 5/25. 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.
Fri 6/128:31 am
BWI
- SFO
1 stop14h 24m
Frontier
Mon 6/2212:32 am
SFO
- BWI
1 stop12h 20m
Frontier
Deal found 5/25![Frontier logo]()
$341
This Expedia deal was found by Cheapflights users on 5/21. 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.
Mon 7/68:36 am
BWI
- SFO
1 stop13h 42m
Multiple Airlines
Wed 7/89:00 am
SFO
- BWI
1 stop17h 41m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$342
This Frontier deal was found by Cheapflights users on 5/24. 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 5/266:45 am
BWI
- SFO
1 stop15h 49m
Frontier
Sun 5/3111:59 pm
SFO
- BWI
1 stop11h 18m
Frontier
Deal found 5/24![Frontier logo]()
$343
This Frontier deal was found by Cheapflights users on 5/25. 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.
Thu 6/118:31 am
BWI
- SFO
1 stop14h 24m
Frontier
Mon 6/2210:10 pm
SFO
- BWI
1 stop14h 23m
Frontier
Deal found 5/25![Frontier logo]()
$344
This United Airlines deal was found by Cheapflights users on 5/25. 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 9/168:00 am
BWI
- SFO
Nonstop5h 58m
United Airlines
Sat 9/1912:45 am
SFO
- BWI
1 stop8h 00m
United Airlines
Deal found 5/25![United Airlines logo]()
$345
This Orbitz deal was found by Cheapflights users on 5/23. 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.
Tue 9/84:43 pm
BWI
- SFO
1 stop19h 24m
Multiple Airlines
Fri 9/186:35 pm
SFO
- BWI
1 stop13h 36m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 5/22. 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 7/145:40 am
BWI
- SFO
1 stop7h 40m
Delta
Mon 7/208:59 pm
SFO
- BWI
2 stops10h 43m
Delta
Deal found 5/22![Delta logo]()
$348
Best flights from Baltimore to San FranciscoDiscover carefully curated flight deals from Baltimore to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
Discover carefully curated flight deals from Baltimore to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
This Southwest deal was found by Cheapflights users on 5/24. 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 8/157:00 am
BWI
- SFO
1 stop7h 35m
Southwest
Sat 8/226:40 am
SFO
- BWI
2 stops10h 45m
Southwest
Deal found 5/24![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 5/22. 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 6/56:29 pm
BWI
- SFO
1 stop9h 17m
Delta
Sun 6/75:25 pm
SFO
- BWI
1 stop9h 24m
Delta
Deal found 5/22![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Tue 9/158:00 am
BWI
- SFO
Nonstop5h 58m
United Airlines
Sun 9/2010:52 pm
SFO
- BWI
Nonstop5h 23m
United Airlines
Deal found 5/25![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 5/22. 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 9/244:10 pm
BWI
- SFO
1 stop9h 40m
Southwest
Mon 9/2810:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 5/22![Southwest logo]()
$375
This Southwest deal was found by Cheapflights users on 5/24. 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 7/46:45 am
BWI
- SFO
1 stop10h 35m
Southwest
Sat 7/115:10 am
SFO
- BWI
2 stops8h 45m
Southwest
Deal found 5/24![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 5/23. 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 7/36:05 am
BWI
- SFO
1 stop10h 15m
Southwest
Sat 7/115:10 am
SFO
- BWI
2 stops8h 45m
Southwest
Deal found 5/23![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 5/22. 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 8/216:30 am
BWI
- SFO
2 stops9h 40m
Southwest
Sun 8/2311:05 pm
SFO
- BWI
1 stop8h 10m
Southwest
Deal found 5/22![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 5/23. 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.
Sun 9/138:10 am
BWI
- SFO
2 stops9h 55m
Southwest
Sat 9/195:00 am
SFO
- BWI
2 stops8h 45m
Southwest
Deal found 5/23![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 5/24. 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 6/51:05 pm
BWI
- SFO
1 stop9h 50m
Southwest
Wed 6/105:00 am
SFO
- BWI
2 stops9h 55m
Southwest
Deal found 5/24![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 5/25. 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 7/105:55 pm
BWI
- SFO
2 stops9h 20m
Southwest
Wed 7/155:30 am
SFO
- BWI
2 stops9h 25m
Southwest
Deal found 5/25![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 5/23. 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 7/155:10 pm
BWI
- SFO
Nonstop5h 40m
Southwest
Wed 7/229:10 pm
SFO
- BWI
Nonstop5h 15m
Southwest
Deal found 5/23![Southwest logo]()
$439
Last-minute flights from Baltimore to San FranciscoDiscover last-minute flight deals from Baltimore to San Francisco. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Francisco. Data last updated May 26, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/24. 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 5/266:45 am
BWI
- SFO
1 stop15h 49m
Frontier
Sun 5/3111:59 pm
SFO
- BWI
1 stop11h 18m
Frontier
Deal found 5/24![Frontier logo]()
$343
This Frontier deal was found by Cheapflights users on 5/21. 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.
Sat 5/308:52 am
BWI
- SFO
1 stop13h 42m
Frontier
Tue 6/211:59 pm
SFO
- BWI
1 stop14h 26m
Frontier
Deal found 5/21![Frontier logo]()
$336
This Frontier deal was found by Cheapflights users on 5/26. 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.
Sat 5/308:52 am
BWI
- SFO
1 stop13h 42m
Frontier
Tue 6/912:32 am
SFO
- BWI
1 stop12h 20m
Frontier
Deal found 5/26![Frontier logo]()
$361
This Frontier deal was found by Cheapflights users on 5/24. 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.
Fri 6/58:52 am
BWI
- SFO
1 stop14h 05m
Frontier
Fri 6/2612:32 am
SFO
- BWI
1 stop12h 20m
Frontier
Deal found 5/24![Frontier logo]()
$362
This Frontier deal was found by Cheapflights users on 5/25. 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.
Thu 6/118:31 am
BWI
- SFO
1 stop14h 24m
Frontier
Mon 6/2210:10 pm
SFO
- BWI
1 stop14h 23m
Frontier
Deal found 5/25![Frontier logo]()
$344
This Frontier deal was found by Cheapflights users on 5/25. 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.
Fri 6/128:31 am
BWI
- SFO
1 stop14h 24m
Frontier
Mon 6/2212:32 am
SFO
- BWI
1 stop12h 20m
Frontier
Deal found 5/25![Frontier logo]()
$341
This United Airlines deal was found by Cheapflights users on 5/23. 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.
Sat 6/133:03 pm
BWI
- SFO
1 stop8h 07m
United Airlines
Thu 6/2512:45 am
SFO
- BWI
1 stop8h 02m
United Airlines
Deal found 5/23![United Airlines logo]()
$354
This Frontier deal was found by Cheapflights users on 5/25. 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.
Sat 6/131:29 pm
BWI
- SFO
1 stop9h 26m
Frontier
Mon 6/2212:32 am
SFO
- BWI
1 stop12h 20m
Frontier
Deal found 5/25![Frontier logo]()
$359
This Frontier deal was found by Cheapflights users on 5/23. 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.
Sun 6/148:31 am
BWI
- SFO
1 stop14h 24m
Frontier
Tue 7/1412:29 am
SFO
- BWI
1 stop10h 11m
Frontier
Deal found 5/23![Frontier logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/23. 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.
Mon 6/225:32 pm
BWI
- SFO
1 stop10h 13m
United Airlines
Wed 6/2410:40 pm
SFO
- BWI
Nonstop5h 30m
United Airlines
Deal found 5/23![United Airlines logo]()
$349
This Frontier deal was found by Cheapflights users on 5/26. 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 6/234:37 pm
BWI
- SFO
1 stop9h 25m
Frontier
Mon 7/612:29 am
SFO
- BWI
1 stop10h 11m
Frontier
Deal found 5/26![Frontier logo]()
$355
This American Airlines deal was found by Cheapflights users on 5/22. 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 6/237:11 pm
BWI
- SFO
1 stop8h 37m
American Airlines
Tue 7/710:05 pm
SFO
- BWI
1 stop8h 21m
American Airlines
Deal found 5/22![American Airlines logo]()
$356
One-way flights from Baltimore to San FranciscoSearch for one-way flight options from Baltimore to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
Search for one-way flight options from Baltimore to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Frontier deal was found by Cheapflights users on 5/23. 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.
Sat 6/131:29 pm
BWI
- SFO
1 stop9h 26m
Frontier
Deal found 5/23![Frontier logo]()
$164
This Frontier deal was found by Cheapflights users on 5/24. 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 6/234:37 pm
BWI
- SFO
1 stop9h 25m
Frontier
Deal found 5/24![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:29 pm
BWI
- SFO
1 stop9h 26m
Frontier
Deal found 5/25![Frontier logo]()
$166
This Southwest deal was found by Cheapflights users on 5/23. 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 7/216:30 pm
BWI
- SFO
1 stop8h 45m
Southwest
Deal found 5/23![Southwest logo]()
$167
This Frontier deal was found by Cheapflights users on 5/25. 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 6/13:02 pm
BWI
- SFO
1 stop11h 00m
Frontier
Deal found 5/25![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 7/87:27 pm
BWI
- SFO
2 stops26h 51m
Frontier
Deal found 5/22![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 5/25. 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.
Fri 7/178:36 am
BWI
- SFO
1 stop13h 42m
Frontier
Deal found 5/25![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 5/22. 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 7/66:35 am
BWI
- SFO
1 stop15h 43m
Frontier
Deal found 5/22![Frontier logo]()
$171
This American Airlines deal was found by Cheapflights users on 5/23. 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 6/305:02 am
BWI
- SFO
2 stops11h 02m
American Airlines
Deal found 5/23![American Airlines logo]()
$172
This Frontier deal was found by Cheapflights users on 5/24. 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 6/88:52 am
BWI
- SFO
1 stop14h 05m
Frontier
Deal found 5/24![Frontier logo]()
$174
This Expedia deal was found by Cheapflights users on 5/23. 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 7/98:36 am
BWI
- SFO
1 stop13h 42m
Frontier
Deal found 5/23![Frontier logo]()
$175
Find flight deals from Baltimore to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Francisco (SFO). 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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $336 (Frontier) |
One-way from | $164 (Frontier) |
Popular in | May |
Cheapest in | April |
Average price | $541 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to San Francisco 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 May 26, 2026.
Use the filters below to find and compare flights from Baltimore to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Sat 8/15
7:00 am-11:35 am
1 stop7h 35m
San Francisco
Sat 8/22
6:40 am-8:25 pm
2 stops10h 45m
$361
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 9/24
4:10 pm-10:50 pm
1 stop9h 40m
San Francisco
Mon 9/28
10:30 pm-6:35 am
Nonstop5h 05m
$375
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Sat 7/4
6:45 am-2:20 pm
1 stop10h 35m
San Francisco
Sat 7/11
5:10 am-4:55 pm
2 stops8h 45m
$384
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 6/5
6:29 pm-12:46 am
1 stop9h 17m
San Francisco
Sun 6/7
5:25 pm-5:49 am
1 stop9h 24m
$385
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 7/3
6:05 am-1:20 pm
1 stop10h 15m
San Francisco
Sat 7/11
5:10 am-4:55 pm
2 stops8h 45m
$387
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 8/21
6:30 am-1:10 pm
2 stops9h 40m
San Francisco
Sun 8/23
11:05 pm-10:15 am
1 stop8h 10m
$390
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Sun 9/13
8:10 am-3:05 pm
2 stops9h 55m
San Francisco
Sat 9/19
5:00 am-4:45 pm
2 stops8h 45m
$406
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 6/5
1:05 pm-7:55 pm
1 stop9h 50m
San Francisco
Wed 6/10
5:00 am-5:55 pm
2 stops9h 55m
$427
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 7/10
5:55 pm-12:15 am
2 stops9h 20m
San Francisco
Wed 7/15
5:30 am-5:55 pm
2 stops9h 25m
$429
Quickest round-trip
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 7/15
5:10 pm-7:50 pm
Nonstop5h 40m
San Francisco
Wed 7/22
9:10 pm-5:25 am
Nonstop5h 15m
$439
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Baltimore to San Francisco
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 Francisco in May.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Baltimore-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-San Francisco 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 Francisco 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 Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Baltimore with our price prediction graph.
BWI-SFO
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 Francisco
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How far ahead should I book a flight from Baltimore to San Francisco?
The best time to book flights from Baltimore to San Francisco is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Baltimore to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of $435). Flying from Baltimore to San Francisco in May is currently the most expensive (average of $541). 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 SFO?
Find hourly flight availability from Baltimore to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 26, 2026.
One of the essential ways to save on airfare from Baltimore to San Francisco is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 48% on airfare.
What’s the top layover airport for flights from Baltimore to San Francisco?
Share of 1-stop round-trip flights from Baltimore to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Baltimore to San Francisco on Cheapflights.
What’s the cheapest layover airport for flights from Baltimore to San Francisco?
Average round-trip fare for 1-stop flights from Baltimore to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $290.
What’s the fastest layover option from Baltimore to San Francisco?
Shortest average travel time for 1-stop one-way flights from Baltimore to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 8h 59m.
Which airport typically offers the quickest layover for flights from Baltimore to San Francisco?
Average layover duration for 1-stop one-way flights from Baltimore to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 23m.
The best insider tips for Baltimore to San Francisco 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 Francisco trip
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated May 26, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Baltimore to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Baltimore to San Francisco. 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 Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
Cupertino
San Bruno
Watsonville
San Ramon
Vacaville
Roseville
San Carlos
Redwood City
Daly City
Sunnyvale
Turlock
Vallejo
San Lorenzo
Davis
Emeryville
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Baltimore and San Francisco flights
Browse other Baltimore and San Francisco flight options. Last updated on May 26, 2026.
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Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 26, 2026.
Top 7 airlines flying from Baltimore to San Francisco
Discover the top 7 airlines that operate flights from Baltimore to San Francisco. 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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$289 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$162 | Average$335 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$217 | Average$356 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$263 | Average$411 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$526 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$488 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$336 | Average$579 | FlexibilityNo cancel fee | On-time71% |