$155+ Cheap flights from Baltimore to San Francisco (BWI - SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SFO
Nov 4 — Nov 111
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 August, 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 October 5, 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 October 5, 2026.
This Southwest deal was found by Cheapflights users on 10/5. 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 11/236:20 am -
1 stop9h 45m
Wed 12/29:25 pm -
Nonstop5h 05m
Deal found 10/5![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 10/4. 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 10/285:05 pm -
2 stops9h 35m
Wed 11/44:55 pm -
2 stops9h 45m
Deal found 10/4![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 10/4. 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.
Mon 11/23:10 pm -
2 stops11h 10m
Mon 11/911:35 pm -
1 stop9h 05m
Deal found 10/4![Southwest logo]()
$369
This JetBlue deal was found by Cheapflights users on 10/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:40 pm -
1 stop9h 50m
Sat 11/1411:30 am -
1 stop9h 00m
Deal found 10/2![JetBlue logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:00 am -
Nonstop6h 10m
Mon 11/29:45 pm -
Nonstop5h 13m
Deal found 9/30![United Airlines logo]()
$371
This Frontier deal was found by Cheapflights users on 10/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:45 am -
2 stops17h 47m
Wed 11/2511:29 pm -
2 stops22h 13m
Deal found 10/4![Frontier logo]()
$372
This Frontier deal was found by Cheapflights users on 10/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:12 am -
1 stop13h 38m
Wed 11/1111:47 pm -
1 stop8h 05m
Deal found 10/4![Frontier logo]()
$373
This CheapOair deal was found by Cheapflights users on 10/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1912:32 pm -
2 stops21h 14m
Mon 1/119:30 pm -
2 stops24h 04m
Deal found 10/4![Frontier logo]()
$374
This Booking.com deal was found by Cheapflights users on 10/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:22 am -
1 stop10h 33m
Mon 11/211:52 pm -
1 stop8h 16m
Deal found 10/1![Frontier logo]()
$375
This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:07 pm -
1 stop11h 22m
Mon 11/239:20 pm -
2 stops17h 42m
Deal found 10/1![Frontier logo]()
$376
This Frontier deal was found by Cheapflights users on 10/5. 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.
Fri 11/1310:00 am -
1 stop13h 40m
Sat 11/1411:47 pm -
1 stop8h 05m
Deal found 10/5![Frontier logo]()
$378
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 October 5, 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 October 5, 2026.
This Delta deal was found by Cheapflights users on 10/1. 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 12/87:15 am -
1 stop8h 18m
Thu 12/101:36 pm -
1 stop6h 59m
Deal found 10/1![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/158:44 am -
1 stop10h 52m
Mon 1/1810:37 pm -
Nonstop5h 15m
Deal found 10/5![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 10/5. 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.
Fri 1/223:45 pm -
2 stops9h 55m
Fri 1/296:05 am -
1 stop7h 05m
Deal found 10/5![Southwest logo]()
$466
This Southwest deal was found by Cheapflights users on 10/5. 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.
Fri 11/2010:35 am -
Nonstop6h 10m
Mon 11/236:50 am -
1 stop8h 10m
Deal found 10/5![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/282:30 pm -
Nonstop6h 08m
Mon 11/29:45 pm -
Nonstop5h 13m
Deal found 10/1![United Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 10/2. 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 12/410:40 am -
Nonstop6h 10m
Mon 12/710:55 am -
1 stop7h 50m
Deal found 10/2![Southwest logo]()
$493
This United Airlines deal was found by Cheapflights users on 10/1. 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 1/76:25 pm -
Nonstop6h 20m
Sat 1/169:00 am -
Nonstop5h 16m
Deal found 10/1![United Airlines logo]()
$501
This Southwest deal was found by Cheapflights users on 10/4. 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 11/45:50 pm -
1 stop9h 05m
Thu 11/129:25 pm -
Nonstop5h 05m
Deal found 10/4![Southwest logo]()
$508
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:10 am -
1 stop8h 40m
Wed 11/1810:35 pm -
Nonstop5h 13m
Deal found 10/1![United Airlines logo]()
$511
This Southwest deal was found by Cheapflights users on 10/5. 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 11/1110:40 am -
Nonstop6h 10m
Mon 11/239:25 pm -
Nonstop5h 05m
Deal found 10/5![Southwest logo]()
$515
This United Airlines deal was found by Cheapflights users on 10/1. 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 12/38:00 am -
Nonstop6h 12m
Fri 12/1110:38 pm -
Nonstop5h 14m
Deal found 10/1![United Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 10/5. 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 12/110:40 am -
Nonstop6h 10m
Sat 12/510:40 am -
1 stop9h 55m
Deal found 10/5![Southwest logo]()
$519
Last-minute flights from Baltimore to San FranciscoDiscover last-minute flight deals from Baltimore to San Francisco. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Francisco. Data last updated October 5, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 10/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:22 am -
1 stop10h 33m
Mon 11/211:52 pm -
1 stop8h 16m
Deal found 10/1![Frontier logo]()
$375
This Southwest deal was found by Cheapflights users on 10/4. 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 10/285:05 pm -
2 stops9h 35m
Wed 11/44:55 pm -
2 stops9h 45m
Deal found 10/4![Southwest logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:00 am -
Nonstop6h 10m
Mon 11/29:45 pm -
Nonstop5h 13m
Deal found 9/30![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 10/4. 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.
Mon 11/23:10 pm -
2 stops11h 10m
Mon 11/911:35 pm -
1 stop9h 05m
Deal found 10/4![Southwest logo]()
$369
This JetBlue deal was found by Cheapflights users on 10/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:40 pm -
1 stop9h 50m
Sat 11/1411:30 am -
1 stop9h 00m
Deal found 10/2![JetBlue logo]()
$370
This Frontier deal was found by Cheapflights users on 10/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:12 am -
1 stop13h 38m
Wed 11/1111:47 pm -
1 stop8h 05m
Deal found 10/4![Frontier logo]()
$373
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:00 am -
1 stop13h 40m
Sun 11/1510:20 pm -
1 stop7h 45m
Deal found 10/5![Frontier logo]()
$374
This Frontier deal was found by Cheapflights users on 10/5. 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.
Fri 11/1310:00 am -
1 stop13h 40m
Sat 11/1411:47 pm -
1 stop8h 05m
Deal found 10/5![Frontier logo]()
$378
This Frontier deal was found by Cheapflights users on 10/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:45 am -
2 stops17h 47m
Wed 11/2511:29 pm -
2 stops22h 13m
Deal found 10/4![Frontier logo]()
$372
This Mytrip deal was found by Cheapflights users on 10/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:07 pm -
1 stop11h 22m
Mon 11/239:20 pm -
2 stops17h 42m
Deal found 10/1![Frontier logo]()
$376
This Southwest deal was found by Cheapflights users on 10/5. 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 11/236:20 am -
1 stop9h 45m
Wed 12/29:25 pm -
Nonstop5h 05m
Deal found 10/5![Southwest logo]()
$367
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 October 5, 2026.
Search for one-way flight options from Baltimore to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Thu 11/128:41 pm -
2 stops38h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$155
This Super.com deal was found by Cheapflights users on 9/30. 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.
Fri 10/232:16 pm -
1 stop11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$156
This CheapOair deal was found by Cheapflights users on 10/1. 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.
Sun 12/66:50 pm -
2 stops44h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:16 pm -
1 stop11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$158
This Booking.com deal was found by Cheapflights users on 9/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:07 pm -
1 stop11h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 10/1. 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 12/46:00 am -
1 stop12h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:12 pm -
2 stops20h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 10/278:17 pm -
2 stops27h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$163
This Super.com deal was found by Cheapflights users on 9/30. 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.
Fri 10/3010:16 am -
1 stop13h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 11/85:45 am -
2 stops31h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$166
This CheapOair deal was found by Cheapflights users on 10/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:41 pm -
2 stops26h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$167
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 October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (Southwest) |
One-way from | $155 (Kiwi.com) |
Popular in | May |
Cheapest in | April |
Average price | $483 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 5, 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
Quickest round-trip
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Thu 10/29
8:00 am-11:10 am
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$159
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Wed 1/6
7:30 am-12:31 pm
1 stop8h 01m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$162
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Thu 1/7
3:00 pm-8:49 pm
1 stop8h 49m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$169
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Wed 11/25
3:29 pm-11:48 pm
1 stop11h 19m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$182
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Thu 11/12
10:35 am-1:45 pm
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$186
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Wed 11/4
3:40 pm-10:34 pm
1 stop9h 54m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$209
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Sat 12/19
12:55 pm-9:30 pm
2 stops11h 35m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$220
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Fri 1/22
11:05 am-2:20 pm
Nonstop6h 15m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$221
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Mon 11/9
10:35 am-1:45 pm
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$242
BaltimoreSan Francisco
BWI Baltimore/Washington - SFO San Francisco
BWISFO
Baltimore/Washington
Sat 10/31
8:00 am-11:10 am
Nonstop6h 10m
San Francisco
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$251
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Baltimore to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Francisco in October.
| 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 |
- Most accurate provider: When it comes to deals on Baltimore-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Baltimore to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Baltimore with our price prediction graph.
BWI-SFO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to San Francisco
How far ahead should I book a flight from Baltimore to San Francisco?
The best time to book flights from Baltimore to San Francisco is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Baltimore to San Francisco?
Currently, April is the cheapest month in which you can book a flight from Baltimore to San Francisco (average of $432). Flying from Baltimore to San Francisco in May is currently the most expensive (average of $537). 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 October 5, 2026.
One of the essential ways to save on airfare from Baltimore to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 52% 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 October 5, 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.
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
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
Walnut Creek
San Bruno
Emeryville
Hayward
Burlingame
Rancho Cordova
Roseville
Redwood City
Cupertino
Newark
Fairfield
San Ramon
Manteca
Vallejo
San Carlos
Turlock
Davis
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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 October 5, 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 October 5, 2026.
Top 6 airlines flying from Baltimore to San Francisco
Discover the top 6 airlines that operate flights from Baltimore to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$297 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$356 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$289 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$317 | Average$489 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$325 | Average$533 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$579 | FlexibilityNo cancel fee | On-time71% |