$167+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
Jun 8 — Jun 151
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 September, booked 31 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Baltimore to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to San FranciscoExplore the most affordable flight options available from Baltimore to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 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 May 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 6/59:23 pm
BWI
- SFO
1 stop25h 34m
Frontier
Tue 6/910:58 pm
SFO
- BWI
2 stops16h 34m
Frontier
Deal found 5/8![Frontier logo]()
$338
This Southwest deal was found by Cheapflights users on 5/8. 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.
Mon 6/292:50 pm
BWI
- SFO
Nonstop5h 40m
Southwest
Tue 7/79:10 pm
SFO
- BWI
Nonstop5h 15m
Southwest
Deal found 5/8![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 5/8. 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.
Wed 6/36:10 am
BWI
- SFO
1 stop7h 14m
Delta
Sat 6/68:25 am
SFO
- BWI
1 stop9h 21m
Delta
Deal found 5/8![Delta logo]()
$340
This Southwest deal was found by Cheapflights users on 5/4. 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.
Wed 9/238:55 am
BWI
- SFO
Nonstop5h 40m
Southwest
Mon 9/287:25 pm
SFO
- BWI
1 stop8h 05m
Southwest
Deal found 5/4![Southwest logo]()
$341
This Southwest deal was found by Cheapflights users on 5/8. 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.
Wed 6/36:25 pm
BWI
- SFO
Nonstop6h 00m
Southwest
Tue 6/94:25 pm
SFO
- BWI
1 stop10h 10m
Southwest
Deal found 5/8![Southwest logo]()
$343
This Frontier deal was found by Cheapflights users on 5/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:52 am
BWI
- SFO
1 stop13h 42m
Frontier
Thu 6/411:59 pm
SFO
- BWI
1 stop14h 26m
Frontier
Deal found 5/8![Frontier logo]()
$345
This United Airlines deal was found by Cheapflights users on 5/4. 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 9/2312:30 pm
BWI
- SFO
1 stop7h 49m
United Airlines
Sat 9/2612:45 am
SFO
- BWI
1 stop8h 05m
United Airlines
Deal found 5/4![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 5/8. 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.
Tue 10/2012:00 pm
BWI
- SFO
1 stop8h 18m
Delta
Wed 10/286:00 am
SFO
- BWI
1 stop6h 50m
Delta
Deal found 5/8![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 5/6. 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.
Wed 9/3012:15 pm
BWI
- SFO
1 stop7h 40m
Delta
Thu 10/86:00 am
SFO
- BWI
1 stop8h 03m
Delta
Deal found 5/6![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 5/4. 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.
Tue 6/25:00 pm
BWI
- SFO
2 stops9h 35m
Southwest
Wed 6/38:55 am
SFO
- BWI
1 stop9h 35m
Southwest
Deal found 5/4![Southwest logo]()
$350
Best flights from Baltimore to San FranciscoDiscover carefully curated flight deals from Baltimore to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 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 May 9, 2026.
This Southwest deal was found by Cheapflights users on 5/4. 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.
Wed 9/234:30 pm
BWI
- SFO
2 stops9h 35m
Southwest
Sun 9/2711:40 pm
SFO
- BWI
1 stop9h 15m
Southwest
Deal found 5/4![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 5/8. 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.
Thu 8/207:39 am
BWI
- SFO
1 stop7h 35m
Delta
Mon 8/247:53 am
SFO
- BWI
1 stop7h 42m
Delta
Deal found 5/8![Delta logo]()
$383
This Southwest deal was found by Cheapflights users on 5/4. 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.
Tue 7/145:10 pm
BWI
- SFO
Nonstop5h 40m
Southwest
Sat 7/189:30 pm
SFO
- BWI
Nonstop5h 10m
Southwest
Deal found 5/4![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 5/6. 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.
Wed 6/178:55 am
BWI
- SFO
1 stop7h 45m
Southwest
Tue 6/234:25 pm
SFO
- BWI
1 stop10h 10m
Southwest
Deal found 5/6![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 6/297:05 am
BWI
- SFO
1 stop8h 03m
Delta
Tue 7/75:07 pm
SFO
- BWI
1 stop9h 53m
Delta
Deal found 5/7![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 6/176:20 am
BWI
- SFO
1 stop8h 15m
Southwest
Thu 7/2310:50 am
SFO
- BWI
1 stop9h 20m
Southwest
Deal found 5/5![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 5/4. 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.
Sat 8/14:54 pm
BWI
- SFO
1 stop8h 55m
Delta
Mon 8/107:25 pm
SFO
- BWI
1 stop7h 55m
Delta
Deal found 5/4![Delta logo]()
$432
This Southwest deal was found by Cheapflights users on 5/8. 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 8/143:00 pm
BWI
- SFO
2 stops8h 35m
Southwest
Sun 8/1611:40 pm
SFO
- BWI
1 stop7h 35m
Southwest
Deal found 5/8![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 5/6. 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.
Mon 6/229:30 am
BWI
- SFO
1 stop8h 40m
Southwest
Wed 6/247:10 am
SFO
- BWI
2 stops10h 10m
Southwest
Deal found 5/6![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 5/8. 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.
Tue 6/3010:45 am
BWI
- SFO
2 stops8h 55m
Southwest
Tue 7/285:00 am
SFO
- BWI
2 stops9h 55m
Southwest
Deal found 5/8![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 5/8. 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.
Tue 6/166:20 am
BWI
- SFO
1 stop8h 15m
Southwest
Thu 6/2511:00 am
SFO
- BWI
2 stops10h 30m
Southwest
Deal found 5/8![Southwest logo]()
$427
Last-minute flights from Baltimore to San FranciscoDiscover last-minute flight deals from Baltimore to San Francisco. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Francisco. Data last updated May 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/6. 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.
Wed 5/276:59 pm
BWI
- SFO
1 stop7h 51m
Delta
Tue 6/24:55 pm
SFO
- BWI
1 stop9h 50m
Delta
Deal found 5/6![Delta logo]()
$347
This Frontier deal was found by Cheapflights users on 5/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:52 am
BWI
- SFO
1 stop13h 42m
Frontier
Thu 6/411:59 pm
SFO
- BWI
1 stop14h 26m
Frontier
Deal found 5/8![Frontier logo]()
$345
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:59 pm
BWI
- SFO
1 stop7h 51m
Delta
Sat 6/66:00 am
SFO
- BWI
1 stop9h 51m
Delta
Deal found 5/5![Delta logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/19:23 pm
BWI
- SFO
2 stops40h 07m
Frontier
Mon 6/810:10 pm
SFO
- BWI
1 stop14h 15m
Frontier
Deal found 5/4![Frontier logo]()
$346
This Southwest deal was found by Cheapflights users on 5/4. 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.
Tue 6/25:00 pm
BWI
- SFO
2 stops9h 35m
Southwest
Wed 6/38:55 am
SFO
- BWI
1 stop9h 35m
Southwest
Deal found 5/4![Southwest logo]()
$350
This Delta deal was found by Cheapflights users on 5/8. 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.
Wed 6/36:10 am
BWI
- SFO
1 stop7h 14m
Delta
Sat 6/66:00 am
SFO
- BWI
1 stop9h 51m
Delta
Deal found 5/8![Delta logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/39:23 pm
BWI
- SFO
1 stop25h 34m
Frontier
Mon 6/810:50 pm
SFO
- BWI
2 stops21h 10m
Frontier
Deal found 5/7![Frontier logo]()
$341
This Southwest deal was found by Cheapflights users on 5/8. 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.
Wed 6/36:25 pm
BWI
- SFO
Nonstop6h 00m
Southwest
Tue 6/94:25 pm
SFO
- BWI
1 stop10h 10m
Southwest
Deal found 5/8![Southwest logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 6/59:23 pm
BWI
- SFO
1 stop25h 34m
Frontier
Tue 6/910:58 pm
SFO
- BWI
2 stops16h 34m
Frontier
Deal found 5/8![Frontier logo]()
$338
This Southwest deal was found by Cheapflights users on 5/8. 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.
Mon 6/292:50 pm
BWI
- SFO
Nonstop5h 40m
Southwest
Tue 7/79:10 pm
SFO
- BWI
Nonstop5h 15m
Southwest
Deal found 5/8![Southwest logo]()
$339
One-way flights from Baltimore to San FranciscoSearch for one-way flight options from Baltimore to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 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 May 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 5/299:23 pm
BWI
- SFO
2 stops30h 00m
Frontier
Deal found 5/8![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Sat 7/48:40 am
BWI
- SFO
2 stops14h 50m
Frontier
Deal found 5/8![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/19:23 pm
BWI
- SFO
2 stops17h 24m
Frontier
Deal found 5/8![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 5/5. 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.
Tue 5/128:52 am
BWI
- SFO
1 stop13h 42m
Frontier
Deal found 5/5![Frontier logo]()
$171
This Southwest deal was found by Cheapflights users on 5/8. 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 6/276:15 am
BWI
- SFO
2 stops11h 55m
Southwest
Deal found 5/8![Southwest logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Tue 6/94:29 pm
BWI
- SFO
2 stops30h 06m
Frontier
Deal found 5/8![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 8/48:36 am
BWI
- SFO
2 stops15h 04m
Frontier
Deal found 5/6![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/238:31 am
BWI
- SFO
2 stops28h 57m
Frontier
Deal found 5/6![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/289:43 pm
BWI
- SFO
2 stops39h 45m
Frontier
Deal found 5/6![Frontier logo]()
$176
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/286:38 am
BWI
- SFO
Nonstop5h 50m
United Airlines
Deal found 5/7![United Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 7/245:32 pm
BWI
- SFO
2 stops30h 08m
Frontier
Deal found 5/8![Frontier logo]()
$178
This CheapOair deal was found by Cheapflights users on 5/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:17 pm
BWI
- SFO
1 stop19h 44m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$179
Find flight deals from Baltimore to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Kiwi.com) |
One-way from | $167 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $472 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 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
Wed 9/23
4:30 pm-11:05 pm
2 stops9h 35m
San Francisco
Sun 9/27
11:40 pm-11:55 am
1 stop9h 15m
$356
Quickest round-trip
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Tue 7/14
5:10 pm-7:50 pm
Nonstop5h 40m
San Francisco
Sat 7/18
9:30 pm-5:40 am
Nonstop5h 10m
$371
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 6/17
8:55 am-1:40 pm
1 stop7h 45m
San Francisco
Tue 6/23
4:25 pm-5:35 am
1 stop10h 10m
$379
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Wed 6/17
6:20 am-11:35 am
1 stop8h 15m
San Francisco
Thu 7/23
10:50 am-11:10 pm
1 stop9h 20m
$382
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Thu 8/20
7:39 am-12:14 pm
1 stop7h 35m
San Francisco
Mon 8/24
7:53 am-6:35 pm
1 stop7h 42m
$383
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Fri 8/14
3:00 pm-8:35 pm
2 stops8h 35m
San Francisco
Sun 8/16
11:40 pm-10:15 am
1 stop7h 35m
$390
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Mon 6/22
9:30 am-3:10 pm
1 stop8h 40m
San Francisco
Wed 6/24
7:10 am-8:20 pm
2 stops10h 10m
$392
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Tue 6/30
10:45 am-4:40 pm
2 stops8h 55m
San Francisco
Tue 7/28
5:00 am-5:55 pm
2 stops9h 55m
$395
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Mon 6/29
7:05 am-12:08 pm
1 stop8h 03m
San Francisco
Tue 7/7
5:07 pm-6:00 am
1 stop9h 53m
$419
BaltimoreSan Francisco
BWI - SFO
BWISFO
Baltimore/Washington
Tue 6/16
6:20 am-11:35 am
1 stop8h 15m
San Francisco
Thu 6/25
11:00 am-12:30 am
2 stops10h 30m
$427
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Baltimore to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Francisco in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Baltimore-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Baltimore to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Baltimore with our price prediction graph.
BWI-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to San Francisco
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How far ahead should I book a flight from Baltimore to San Francisco?
The best time to book flights from Baltimore to San Francisco is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Baltimore to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of $435). Flying from Baltimore to San Francisco in March is currently the most expensive (average of $525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BWI to SFO?
Find hourly flight availability from Baltimore to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 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.
What’s the top layover airport for flights from Baltimore to San Francisco?
Share of 1-stop round-trip flights from Baltimore to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Baltimore to San Francisco on Cheapflights.
What’s the cheapest layover airport for flights from Baltimore to San Francisco?
Average round-trip fare for 1-stop flights from Baltimore to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $290.
What’s the fastest layover option from Baltimore to San Francisco?
Shortest average travel time for 1-stop one-way flights from Baltimore to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 8h 59m.
Which airport typically offers the quickest layover for flights from Baltimore to San Francisco?
Average layover duration for 1-stop one-way flights from Baltimore to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 23m.
The best insider tips for Baltimore to San Francisco flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to San Francisco trip
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated May 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.
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Baltimore to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
Vallejo
San Lorenzo
Davis
Emeryville
Manteca
Elk Grove
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Baltimore and San Francisco flights
Browse other Baltimore and San Francisco flight options. Last updated on May 9, 2026.
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Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 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 May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$162 | Average$335 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$217 | Average$357 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$253 | Average$420 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$285 | Average$525 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$487 | FlexibilityNo cancel fee | On-time63% |