$174+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
Aug 6 — Aug 131
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 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 July 7, 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 July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:35 am
BWI
- SFO
1 stop13h 38m
Frontier
Fri 8/2810:35 pm
SFO
- BWI
1 stop10h 49m
Frontier
Deal found 7/4![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Sun 8/92:25 pm
BWI
- SFO
1 stop11h 29m
Frontier
Sat 8/1512:54 am
SFO
- BWI
1 stop9h 46m
Frontier
Deal found 7/6![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/196:28 pm
BWI
- SFO
2 stops16h 44m
Frontier
Thu 8/2710:35 pm
SFO
- BWI
1 stop10h 49m
Frontier
Deal found 7/3![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:35 am
BWI
- SFO
1 stop13h 38m
Frontier
Fri 8/147:08 pm
SFO
- BWI
2 stops16h 18m
Frontier
Deal found 7/2![Frontier logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Sat 8/226:24 am
BWI
- SFO
2 stops17h 16m
Frontier
Sat 8/2910:35 pm
SFO
- BWI
1 stop10h 49m
Frontier
Deal found 7/6![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:32 pm
BWI
- SFO
1 stop24h 41m
Frontier
Wed 8/1211:05 pm
SFO
- BWI
1 stop13h 29m
Frontier
Deal found 7/3![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/127:27 pm
BWI
- SFO
2 stops26h 46m
Frontier
Sun 8/1612:54 am
SFO
- BWI
1 stop9h 46m
Frontier
Deal found 7/5![Frontier logo]()
$351
This Frontier deal was found by Cheapflights users on 7/3. 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 8/82:25 pm
BWI
- SFO
1 stop11h 29m
Frontier
Mon 8/1011:05 pm
SFO
- BWI
1 stop13h 29m
Frontier
Deal found 7/3![Frontier logo]()
$352
This Frontier deal was found by Cheapflights users on 7/3. 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 7/248:36 am
BWI
- SFO
1 stop13h 42m
Frontier
Wed 8/1212:54 am
SFO
- BWI
1 stop9h 46m
Frontier
Deal found 7/3![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/302:25 pm
BWI
- SFO
1 stop11h 34m
Frontier
Mon 8/39:00 pm
SFO
- BWI
2 stops13h 40m
Frontier
Deal found 7/2![Frontier logo]()
$354
This Southwest deal was found by Cheapflights users on 7/2. 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 8/228:10 am
BWI
- SFO
Nonstop5h 45m
Southwest
Sat 8/2910:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/2![Southwest logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:35 am
BWI
- SFO
2 stops16h 35m
Frontier
Mon 8/1011:05 pm
SFO
- BWI
1 stop13h 29m
Frontier
Deal found 7/2![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 July 7, 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 July 7, 2026.
This Southwest deal was found by Cheapflights users on 7/2. 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 9/28:55 am
BWI
- SFO
Nonstop5h 40m
Southwest
Sun 9/610:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/2![Southwest logo]()
$431
This Southwest deal was found by Cheapflights users on 7/6. 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.
Tue 8/410:55 am
BWI
- SFO
2 stops8h 30m
Southwest
Tue 8/1111:05 pm
SFO
- BWI
1 stop9h 30m
Southwest
Deal found 7/6![Southwest logo]()
$440
This Southwest deal was found by Cheapflights users on 7/5. 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.
Mon 8/2410:20 am
BWI
- SFO
Nonstop5h 40m
Southwest
Sat 8/2910:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/5![Southwest logo]()
$477
This Southwest deal was found by Cheapflights users on 7/2. 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 8/710:20 am
BWI
- SFO
Nonstop5h 40m
Southwest
Wed 8/1211:05 pm
SFO
- BWI
1 stop8h 10m
Southwest
Deal found 7/2![Southwest logo]()
$481
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:20 am
BWI
- SFO
Nonstop5h 40m
Southwest
Sun 9/2010:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/4![Southwest logo]()
$492
This Southwest deal was found by Cheapflights users on 7/4. 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 8/75:20 pm
BWI
- SFO
1 stop9h 25m
Southwest
Tue 8/1110:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/4![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 7/4. 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 7/312:50 pm
BWI
- SFO
Nonstop5h 40m
Southwest
Tue 8/410:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/4![Southwest logo]()
$505
This Southwest deal was found by Cheapflights users on 7/3. 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 8/158:10 am
BWI
- SFO
Nonstop5h 45m
Southwest
Sun 8/3010:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/3![Southwest logo]()
$507
This Southwest deal was found by Cheapflights users on 7/2. 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 7/302:50 pm
BWI
- SFO
Nonstop5h 40m
Southwest
Thu 8/610:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/2![Southwest logo]()
$515
This Southwest deal was found by Cheapflights users on 7/4. 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 8/12:15 pm
BWI
- SFO
2 stops10h 40m
Southwest
Sat 8/86:10 am
SFO
- BWI
1 stop8h 00m
Southwest
Deal found 7/4![Southwest logo]()
$540
This Southwest deal was found by Cheapflights users on 7/6. 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.
Fri 7/315:00 pm
BWI
- SFO
2 stops9h 30m
Southwest
Wed 8/55:50 am
SFO
- BWI
2 stops10h 15m
Southwest
Deal found 7/6![Southwest logo]()
$561
This Southwest deal was found by Cheapflights users on 7/6. 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.
Tue 7/283:00 pm
BWI
- SFO
1 stop7h 55m
Southwest
Sat 8/19:30 pm
SFO
- BWI
Nonstop5h 10m
Southwest
Deal found 7/6![Southwest logo]()
$563
Last-minute flights from Baltimore to San FranciscoDiscover last-minute flight deals from Baltimore to San Francisco. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Francisco. Data last updated July 7, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/3. 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 7/248:36 am
BWI
- SFO
1 stop13h 42m
Frontier
Tue 8/1110:18 pm
SFO
- BWI
1 stop14h 16m
Frontier
Deal found 7/3![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/302:25 pm
BWI
- SFO
1 stop11h 34m
Frontier
Mon 8/39:00 pm
SFO
- BWI
2 stops13h 40m
Frontier
Deal found 7/2![Frontier logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:32 pm
BWI
- SFO
1 stop24h 41m
Frontier
Wed 8/1211:05 pm
SFO
- BWI
1 stop13h 29m
Frontier
Deal found 7/3![Frontier logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:35 am
BWI
- SFO
2 stops16h 35m
Frontier
Mon 8/1011:05 pm
SFO
- BWI
1 stop13h 29m
Frontier
Deal found 7/2![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:35 am
BWI
- SFO
1 stop13h 38m
Frontier
Fri 8/147:08 pm
SFO
- BWI
2 stops16h 18m
Frontier
Deal found 7/2![Frontier logo]()
$348
This Frontier deal was found by Cheapflights users on 7/3. 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 8/82:25 pm
BWI
- SFO
1 stop11h 29m
Frontier
Mon 8/1011:05 pm
SFO
- BWI
1 stop13h 29m
Frontier
Deal found 7/3![Frontier logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Sun 8/92:25 pm
BWI
- SFO
1 stop11h 29m
Frontier
Sat 8/1512:54 am
SFO
- BWI
1 stop9h 46m
Frontier
Deal found 7/6![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:35 am
BWI
- SFO
1 stop13h 38m
Frontier
Fri 8/2810:35 pm
SFO
- BWI
1 stop10h 49m
Frontier
Deal found 7/4![Frontier logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/127:27 pm
BWI
- SFO
2 stops26h 46m
Frontier
Sun 8/1612:54 am
SFO
- BWI
1 stop9h 46m
Frontier
Deal found 7/5![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/196:28 pm
BWI
- SFO
2 stops16h 44m
Frontier
Thu 8/2710:35 pm
SFO
- BWI
1 stop10h 49m
Frontier
Deal found 7/3![Frontier logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Sat 8/226:24 am
BWI
- SFO
2 stops17h 16m
Frontier
Sat 8/2910:35 pm
SFO
- BWI
1 stop10h 49m
Frontier
Deal found 7/6![Frontier logo]()
$349
This Southwest deal was found by Cheapflights users on 7/2. 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 8/228:10 am
BWI
- SFO
Nonstop5h 45m
Southwest
Sat 8/2910:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 7/2![Southwest 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 July 7, 2026.
Search for one-way flight options from Baltimore to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:44 pm
BWI
- SFO
2 stops20h 41m
Frontier
Deal found 7/2![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/56:35 am
BWI
- SFO
2 stops17h 37m
Frontier
Deal found 7/2![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/29:28 pm
BWI
- SFO
2 stops50h 17m
Frontier
Deal found 7/2![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/45:22 pm
BWI
- SFO
2 stops20h 25m
Frontier
Deal found 7/3![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 9/16:45 am
BWI
- SFO
2 stops16h 11m
Frontier
Deal found 7/3![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 7/2. 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 8/122:25 pm
BWI
- SFO
1 stop11h 29m
Frontier
Deal found 7/2![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:25 am
BWI
- SFO
2 stops41h 20m
Frontier
Deal found 7/4![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 9/249:20 pm
BWI
- SFO
1 stop24h 00m
Frontier
Deal found 7/2![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/284:44 pm
BWI
- SFO
2 stops20h 46m
Frontier
Deal found 7/2![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:30 am
BWI
- SFO
2 stops30h 50m
Frontier
Deal found 7/4![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/157:27 pm
BWI
- SFO
2 stops31h 56m
Frontier
Deal found 7/2![Frontier logo]()
$186
This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:35 am
BWI
- SFO
1 stop15h 43m
Frontier
Deal found 7/6![Frontier logo]()
$187
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 July 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $345 (Kiwi.com) |
One-way from | $174 (Kiwi.com) |
Popular in | May |
Cheapest in | April |
Average price | $505 |
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 July 7, 2026.
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Cheapest round-trip
Quickest round-trip
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 9/2
8:55 am-11:35 am
Nonstop5h 40m
San Francisco
Sun 9/6
10:30 pm-6:35 am
Nonstop5h 05m
$431
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Tue 8/4
10:55 am-4:25 pm
2 stops8h 30m
San Francisco
Tue 8/11
11:05 pm-11:35 am
1 stop9h 30m
$440
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Mon 8/24
10:20 am-1:00 pm
Nonstop5h 40m
San Francisco
Sat 8/29
10:30 pm-6:35 am
Nonstop5h 05m
$477
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 8/7
10:20 am-1:00 pm
Nonstop5h 40m
San Francisco
Wed 8/12
11:05 pm-10:15 am
1 stop8h 10m
$481
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 8/20
10:20 am-1:00 pm
Nonstop5h 40m
San Francisco
Sun 9/20
10:30 pm-6:35 am
Nonstop5h 05m
$492
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 8/7
5:20 pm-11:45 pm
1 stop9h 25m
San Francisco
Tue 8/11
10:30 pm-6:35 am
Nonstop5h 05m
$502
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 7/31
2:50 pm-5:30 pm
Nonstop5h 40m
San Francisco
Tue 8/4
10:30 pm-6:35 am
Nonstop5h 05m
$505
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Sat 8/15
8:10 am-10:55 am
Nonstop5h 45m
San Francisco
Sun 8/30
10:30 pm-6:35 am
Nonstop5h 05m
$507
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 7/30
2:50 pm-5:30 pm
Nonstop5h 40m
San Francisco
Thu 8/6
10:30 pm-6:35 am
Nonstop5h 05m
$515
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Sat 8/1
2:15 pm-9:55 pm
2 stops10h 40m
San Francisco
Sat 8/8
6:10 am-5:10 pm
1 stop8h 00m
$540
Showing 1-10 of 24 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price 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
Prices
Airlines
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 $434). 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 July 7, 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 at noon could potentially save you up to 44% 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 July 7, 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
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Entertainment
7.5
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
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
Fairfield
Burlingame
Redwood City
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
San Bruno
Watsonville
Hayward
San Ramon
San Carlos
Turlock
Vallejo
San Lorenzo
Davis
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Complete your trip
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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 July 7, 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 July 7, 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$297 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$162 | Average$335 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$217 | Average$356 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$276 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$527 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$307 | Average$491 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$332 | Average$579 | FlexibilityNo cancel fee | On-time71% |