$166+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
May 9 — May 161
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 May, booked 31 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from Baltimore to San Francisco
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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 April 9, 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 April 9, 2026.
This Southwest deal was found by Cheapflights users on 4/7. 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 6/26:25 pm
BWI
- SFO
Nonstop6h 00m
Southwest
Tue 6/92:15 pm
SFO
- BWI
1 stop7h 35m
Southwest
Deal found 4/7![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 4/5. 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 6/26:25 pm
BWI
- SFO
Nonstop6h 00m
Southwest
Mon 6/810:50 pm
SFO
- BWI
1 stop7h 50m
Southwest
Deal found 4/5![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 4/6. 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 6/93:35 pm
BWI
- SFO
2 stops9h 40m
Southwest
Thu 6/115:10 am
SFO
- BWI
2 stops9h 35m
Southwest
Deal found 4/6![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:22 pm
BWI
- SFO
1 stop7h 32m
Delta
Tue 4/2110:55 pm
SFO
- BWI
1 stop7h 16m
Delta
Deal found 4/4![Delta logo]()
$325
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:59 pm
BWI
- SFO
1 stop15h 30m
Frontier
Tue 6/238:51 pm
SFO
- BWI
1 stop21h 13m
Frontier
Deal found 4/6![Frontier logo]()
$326
This Southwest deal was found by Cheapflights users on 4/7. 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 5/53:10 pm
BWI
- SFO
1 stop7h 45m
Southwest
Tue 5/129:15 pm
SFO
- BWI
Nonstop5h 15m
Southwest
Deal found 4/7![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 4/6. 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 8/48:55 am
BWI
- SFO
Nonstop5h 40m
Southwest
Wed 8/1210:30 pm
SFO
- BWI
Nonstop5h 05m
Southwest
Deal found 4/6![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 4/6. 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 6/52:50 pm
BWI
- SFO
Nonstop5h 40m
Southwest
Mon 6/89:10 pm
SFO
- BWI
Nonstop5h 15m
Southwest
Deal found 4/6![Southwest logo]()
$329
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:02 am
BWI
- SFO
2 stops10h 23m
American Airlines
Sat 4/257:00 am
SFO
- BWI
1 stop9h 34m
American Airlines
Deal found 4/6![American Airlines logo]()
$330
This Frontier deal was found by Cheapflights users on 4/5. 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.
Thu 4/168:57 am
BWI
- SFO
1 stop11h 37m
Frontier
Sun 4/1910:38 pm
SFO
- BWI
1 stop10h 04m
Frontier
Deal found 4/5![Frontier logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/205:17 pm
BWI
- SFO
2 stops20h 21m
Frontier
Wed 5/2710:15 pm
SFO
- BWI
1 stop21h 42m
Frontier
Deal found 4/5![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Mon 5/46:04 am
BWI
- SFO
1 stop14h 30m
Multiple Airlines
Wed 5/611:59 pm
SFO
- BWI
2 stops20h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$333
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 April 9, 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 April 9, 2026.
This Southwest deal was found by Cheapflights users on 4/5. 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 6/26:25 pm
BWI
- SFO
Nonstop6h 00m
Southwest
Mon 6/810:50 pm
SFO
- BWI
1 stop7h 50m
Southwest
Deal found 4/5![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 4/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:05 am
BWI
- SFO
Nonstop6h 10m
United Airlines
Mon 5/410:46 pm
SFO
- BWI
Nonstop5h 34m
United Airlines
Deal found 4/7![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 4/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
BWI
- SFO
1 stop10h 07m
Delta
Sat 4/182:00 pm
SFO
- BWI
1 stop7h 38m
Delta
Deal found 4/8![Delta logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:17 pm
BWI
- SFO
1 stop19h 44m
Alaska Airlines
Wed 6/39:57 am
SFO
- BWI
2 stops17h 31m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 4/7. 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 5/288:15 pm
BWI
- SFO
Nonstop6h 05m
Southwest
Mon 6/17:15 pm
SFO
- BWI
1 stop7h 05m
Southwest
Deal found 4/7![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 4/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:10 pm
BWI
- SFO
1 stop8h 22m
United Airlines
Sun 7/510:40 pm
SFO
- BWI
Nonstop5h 30m
United Airlines
Deal found 4/4![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 4/6. 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 5/92:40 pm
BWI
- SFO
2 stops9h 40m
Southwest
Wed 5/136:20 am
SFO
- BWI
2 stops9h 00m
Southwest
Deal found 4/6![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 4/8. 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.
Fri 5/298:45 am
BWI
- SFO
1 stop8h 00m
Southwest
Wed 6/39:15 pm
SFO
- BWI
Nonstop5h 15m
Southwest
Deal found 4/8![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 4/3. 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.
Fri 6/195:55 pm
BWI
- SFO
2 stops9h 15m
Southwest
Sat 6/2011:40 pm
SFO
- BWI
1 stop7h 20m
Southwest
Deal found 4/3![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 4/7. 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.
Fri 5/88:15 pm
BWI
- SFO
Nonstop6h 05m
Southwest
Mon 5/111:15 pm
SFO
- BWI
1 stop7h 40m
Southwest
Deal found 4/7![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 4/7. 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.
Fri 5/18:15 pm
BWI
- SFO
Nonstop6h 05m
Southwest
Sun 5/311:25 pm
SFO
- BWI
1 stop7h 55m
Southwest
Deal found 4/7![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 4/7. 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.
Wed 4/151:55 pm
BWI
- SFO
2 stops10h 00m
Southwest
Sun 4/1911:25 pm
SFO
- BWI
1 stop9h 25m
Southwest
Deal found 4/7![Southwest logo]()
$456
Last-minute flights from Baltimore to San FranciscoDiscover last-minute flight deals from Baltimore to San Francisco. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Francisco. Data last updated April 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:22 pm
BWI
- SFO
1 stop7h 32m
Delta
Thu 4/162:00 pm
SFO
- BWI
1 stop7h 38m
Delta
Deal found 4/5![Delta logo]()
$325
This Frontier deal was found by Cheapflights users on 4/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:30 am
BWI
- SFO
1 stop10h 49m
Frontier
Mon 4/1310:03 pm
SFO
- BWI
1 stop10h 19m
Frontier
Deal found 4/6![Frontier logo]()
$326
This Frontier deal was found by Cheapflights users on 4/5. 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.
Thu 4/168:57 am
BWI
- SFO
1 stop11h 37m
Frontier
Sun 4/1910:38 pm
SFO
- BWI
1 stop10h 04m
Frontier
Deal found 4/5![Frontier logo]()
$331
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:02 am
BWI
- SFO
2 stops10h 23m
American Airlines
Sat 4/257:00 am
SFO
- BWI
1 stop9h 34m
American Airlines
Deal found 4/6![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:05 am
BWI
- SFO
2 stops10h 33m
American Airlines
Wed 5/61:16 pm
SFO
- BWI
1 stop7h 40m
American Airlines
Deal found 4/6![American Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Mon 5/46:04 am
BWI
- SFO
1 stop14h 30m
Multiple Airlines
Wed 5/611:59 pm
SFO
- BWI
2 stops20h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:27 pm
BWI
- SFO
1 stop9h 36m
Delta
Sat 5/166:00 am
SFO
- BWI
1 stop9h 51m
Delta
Deal found 4/6![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 4/7. 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 5/53:10 pm
BWI
- SFO
1 stop7h 45m
Southwest
Tue 5/129:15 pm
SFO
- BWI
Nonstop5h 15m
Southwest
Deal found 4/7![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 4/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:41 pm
BWI
- SFO
1 stop8h 05m
Delta
Mon 5/1112:15 am
SFO
- BWI
1 stop7h 50m
Delta
Deal found 4/7![Delta logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 5/116:22 pm
BWI
- SFO
1 stop31h 42m
Frontier
Sun 5/1710:15 pm
SFO
- BWI
1 stop15h 07m
Frontier
Deal found 4/6![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/205:17 pm
BWI
- SFO
2 stops20h 21m
Frontier
Wed 5/2710:15 pm
SFO
- BWI
1 stop21h 42m
Frontier
Deal found 4/5![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 5/296:10 pm
BWI
- SFO
1 stop31h 54m
Multiple Airlines
Tue 6/210:40 pm
SFO
- BWI
2 stops18h 28m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$324
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 April 9, 2026.
Search for one-way flight options from Baltimore to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Mon 6/159:13 pm
BWI
- SFO
2 stops25h 43m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Tue 6/24:33 pm
BWI
- SFO
3 stops22h 14m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Mon 6/225:32 pm
BWI
- SFO
2 stops29h 58m
Frontier
Deal found 4/8![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/239:13 pm
BWI
- SFO
2 stops16h 25m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 7/77:27 pm
BWI
- SFO
2 stops31h 55m
Frontier
Deal found 4/6![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/221:43 pm
BWI
- SFO
2 stops31h 14m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sat 5/29:18 pm
BWI
- SFO
2 stops40h 53m
Frontier
Deal found 4/7![Frontier logo]()
$172
This Delta deal was found by Cheapflights users on 4/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:41 pm
BWI
- SFO
1 stop8h 05m
Delta
Deal found 4/7![Delta logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 8/88:52 am
BWI
- SFO
2 stops15h 08m
Frontier
Deal found 4/5![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/2311:05 am
BWI
- SFO
2 stops23h 53m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Wed 5/64:33 pm
BWI
- SFO
3 stops32h 22m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$176
This Southwest deal was found by Cheapflights users on 4/6. 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 4/308:15 pm
BWI
- SFO
Nonstop6h 05m
Southwest
Deal found 4/6![Southwest logo]()
$177
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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $322 (Southwest) |
One-way from | $166 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $435 |
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 April 9, 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
Tue 6/2
6:25 pm-9:25 pm
Nonstop6h 00m
San Francisco
Mon 6/8
10:50 pm-9:40 am
1 stop7h 50m
$323
Quickest round-trip
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 4/30
6:05 am-9:15 am
Nonstop6h 10m
San Francisco
Mon 5/4
10:46 pm-7:20 am
Nonstop5h 34m
$353
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 5/28
8:15 pm-11:20 pm
Nonstop6h 05m
San Francisco
Mon 6/1
7:15 pm-5:20 am
1 stop7h 05m
$363
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 7/1
7:10 pm-12:32 am
1 stop8h 22m
San Francisco
Sun 7/5
10:40 pm-7:10 am
Nonstop5h 30m
$367
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Sat 5/9
2:40 pm-9:20 pm
2 stops9h 40m
San Francisco
Wed 5/13
6:20 am-6:20 pm
2 stops9h 00m
$367
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 5/29
8:45 am-1:45 pm
1 stop8h 00m
San Francisco
Wed 6/3
9:15 pm-5:30 am
Nonstop5h 15m
$386
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 6/19
5:55 pm-12:10 am
2 stops9h 15m
San Francisco
Sat 6/20
11:40 pm-10:00 am
1 stop7h 20m
$393
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Sat 4/11
6:00 am-1:07 pm
1 stop10h 07m
San Francisco
Sat 4/18
2:00 pm-12:38 am
1 stop7h 38m
$398
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 5/8
8:15 pm-11:20 pm
Nonstop6h 05m
San Francisco
Mon 5/11
1:15 pm-11:55 pm
1 stop7h 40m
$402
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Tue 5/26
4:17 pm-9:01 am
1 stop19h 44m
San Francisco
Wed 6/3
9:57 am-6:28 am
2 stops17h 31m
$408
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 April.
| 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 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?
Use this chart to determine the optimal time to book a round-trip flight from Baltimore to San Francisco. Price data was last updated on April 3, 2026.
The best time to book flights from Baltimore to San Francisco is 31 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, October is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of $127). Flying from Baltimore to San Francisco in February is currently the most expensive (average of $230). 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 April 9, 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 50% 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 April 9, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
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
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Union City
Emeryville
Vacaville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Elk Grove
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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 April 9, 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 April 9, 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$335 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$263 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$428 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$357 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$317 | Average$483 | FlexibilityNo cancel fee | On-time63% |