$164+ Cheap flights from Baltimore to San Francisco (BWI - SFO)
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 41 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 September 10, 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 September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/305:42 pm -
2 stops19h 40m
Sat 10/1011:59 pm -
1 stop7h 59m
Deal found 9/7![Frontier logo]()
$344
This Orbitz deal was found by Cheapflights users on 9/8. 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.
Sun 9/271:29 pm -
1 stop11h 59m
Sat 10/311:58 pm -
1 stop8h 42m
Deal found 9/8![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/152:16 pm -
1 stop11h 09m
Tue 10/207:11 pm -
2 stops39h 58m
Deal found 9/8![Frontier logo]()
$347
This Expedia deal was found by Cheapflights users on 9/6. 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.
Wed 10/710:22 am -
1 stop12h 46m
Wed 10/1411:59 pm -
1 stop7h 59m
Deal found 9/6![Frontier logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 11/1110:45 am -
1 stop10h 25m
Sun 11/1510:23 pm -
2 stops32h 27m
Deal found 9/5![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/86:10 am -
1 stop14h 45m
Thu 10/158:58 am -
2 stops23h 00m
Deal found 9/5![Frontier logo]()
$350
This Expedia deal was found by Cheapflights users on 9/10. 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.
Tue 9/2912:45 pm -
1 stop12h 43m
Mon 10/511:58 pm -
1 stop8h 42m
Deal found 9/10![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/1012:37 pm -
1 stop12h 48m
Fri 10/1611:59 pm -
2 stops13h 48m
Deal found 9/9![Frontier logo]()
$352
This Frontier deal was found by Cheapflights users on 9/5. 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.
Wed 10/2110:22 am -
1 stop10h 33m
Sun 11/110:17 pm -
1 stop8h 04m
Deal found 9/5![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 9/2612:45 pm -
1 stop12h 43m
Tue 9/293:15 pm -
2 stops15h 10m
Deal found 9/5![Frontier logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/292:07 pm -
1 stop11h 22m
Mon 11/210:23 pm -
2 stops32h 27m
Deal found 9/6![Frontier logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/145:40 am -
2 stops11h 45m
Sun 10/2510:14 pm -
1 stop8h 03m
Deal found 9/7![Frontier logo]()
$356
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 September 10, 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 September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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 10/711:45 am -
Nonstop5h 50m
Sat 10/1011:10 am -
Nonstop5h 10m
Deal found 9/9![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/56:50 pm -
Nonstop5h 51m
Tue 10/69:09 am -
Nonstop5h 25m
Deal found 9/9![United Airlines logo]()
$481
This Southwest deal was found by Cheapflights users on 9/8. 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 10/39:30 am -
Nonstop5h 50m
Wed 10/710:20 am -
1 stop8h 45m
Deal found 9/8![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/296:34 pm -
Nonstop6h 11m
Mon 11/29:12 am -
Nonstop5h 14m
Deal found 9/8![United Airlines logo]()
$481
This Southwest deal was found by Cheapflights users on 9/7. 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 10/2211:45 am -
Nonstop5h 50m
Sun 10/259:35 pm -
Nonstop5h 10m
Deal found 9/7![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 9/9. 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 10/303:55 pm -
2 stops9h 30m
Fri 10/3011:40 pm -
2 stops10h 00m
Deal found 9/9![Southwest logo]()
$459
This Southwest deal was found by Cheapflights users on 9/7. 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 10/109:30 am -
Nonstop5h 50m
Wed 10/1410:20 am -
1 stop8h 45m
Deal found 9/7![Southwest logo]()
$474
This Southwest deal was found by Cheapflights users on 9/6. 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 10/2911:45 am -
Nonstop5h 50m
Tue 11/39:25 pm -
Nonstop5h 05m
Deal found 9/6![Southwest logo]()
$475
This Southwest deal was found by Cheapflights users on 9/9. 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 11/196:10 am -
1 stop8h 00m
Fri 11/279:25 pm -
Nonstop5h 05m
Deal found 9/9![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 9/6. 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 10/103:10 pm -
1 stop9h 40m
Sat 10/1711:10 am -
Nonstop5h 10m
Deal found 9/6![Southwest logo]()
$496
This Southwest deal was found by Cheapflights users on 9/7. 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 9/298:55 am -
Nonstop5h 40m
Wed 9/3010:30 pm -
Nonstop5h 05m
Deal found 9/7![Southwest logo]()
$530
This Southwest deal was found by Cheapflights users on 9/5. 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 10/611:45 am -
Nonstop5h 50m
Thu 10/1512:05 pm -
1 stop10h 00m
Deal found 9/5![Southwest logo]()
$530
Last-minute flights from Baltimore to San FranciscoDiscover last-minute flight deals from Baltimore to San Francisco. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Francisco. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 9/2612:45 pm -
1 stop12h 43m
Tue 9/293:15 pm -
2 stops15h 10m
Deal found 9/5![Frontier logo]()
$354
This Orbitz deal was found by Cheapflights users on 9/8. 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.
Sun 9/271:29 pm -
1 stop11h 59m
Sat 10/311:58 pm -
1 stop8h 42m
Deal found 9/8![Frontier logo]()
$346
This Expedia deal was found by Cheapflights users on 9/10. 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.
Tue 9/2912:45 pm -
1 stop12h 43m
Mon 10/511:58 pm -
1 stop8h 42m
Deal found 9/10![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/305:42 pm -
2 stops19h 40m
Sat 10/1011:59 pm -
1 stop7h 59m
Deal found 9/7![Frontier logo]()
$344
This Expedia deal was found by Cheapflights users on 9/6. 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.
Wed 10/710:22 am -
1 stop12h 46m
Wed 10/1411:59 pm -
1 stop7h 59m
Deal found 9/6![Frontier logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/86:10 am -
1 stop14h 45m
Thu 10/158:58 am -
2 stops23h 00m
Deal found 9/5![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 10/1012:37 pm -
1 stop12h 48m
Fri 10/1611:59 pm -
2 stops13h 48m
Deal found 9/9![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/145:40 am -
2 stops11h 45m
Thu 10/2911:52 pm -
1 stop8h 00m
Deal found 9/7![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/152:16 pm -
1 stop11h 09m
Tue 10/207:11 pm -
2 stops39h 58m
Deal found 9/8![Frontier logo]()
$347
This Frontier deal was found by Cheapflights users on 9/5. 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.
Wed 10/2110:22 am -
1 stop10h 33m
Sun 11/110:17 pm -
1 stop8h 04m
Deal found 9/5![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/292:07 pm -
1 stop11h 22m
Mon 11/210:23 pm -
2 stops32h 27m
Deal found 9/6![Frontier logo]()
$355
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 September 10, 2026.
Search for one-way flight options from Baltimore to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/135:40 am -
2 stops29h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$164
This Priceline deal was found by Cheapflights users on 9/9. 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 10/162:16 pm -
1 stop11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/126:25 pm -
2 stops23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/812:32 pm -
2 stops28h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/26:00 am -
2 stops18h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/66:38 am -
2 stops30h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/75:42 pm -
2 stops19h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/295:42 pm -
2 stops19h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$173
This Frontier deal was found by Cheapflights users on 9/5. 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.
Wed 10/1410:22 am -
1 stop10h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/222:16 pm -
2 stops33h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/226:40 am -
2 stops40h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$176
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Kiwi.com) |
One-way from | $164 (Kiwi.com) |
Popular in | May |
Cheapest in | April |
Average price | $510 |
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 7,457,451 searches. Data last updated September 10, 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 Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Sat 10/31
8:20 am-11:15 am
Nonstop5h 55m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$186
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Wed 12/9
8:00 am-11:10 am
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$186
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Thu 10/15
4:45 pm-10:59 pm
1 stop9h 14m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$196
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Mon 10/26
3:40 pm-10:34 pm
1 stop9h 54m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$196
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Fri 11/13
10:35 am-1:45 pm
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Mon 11/23
10:35 am-1:45 pm
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Wed 11/4
10:40 am-1:50 pm
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$234
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Tue 12/8
8:00 am-11:10 am
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$241
Quickest round-trip
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Tue 10/6
8:05 am-10:56 am
Nonstop5h 51m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$241
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Thu 10/29
8:00 am-11:10 am
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$242
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 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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 40 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 $432). Flying from Baltimore to San Francisco in May is currently the most expensive (average of $538). 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 September 10, 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.
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 September 10, 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
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
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 Clara
Santa Cruz
Walnut Creek
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
San Francisco flight routes
Alternative routes for Baltimore to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to San Francisco by cabin class
Find flights from Baltimore to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and San Francisco flights
Browse other Baltimore and San Francisco flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$162 | Average$335 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$170 | Average$294 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$356 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$296 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$300 | Average$525 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$492 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$371 | Average$598 | FlexibilityNo cancel fee | On-time71% |