S$171 Cheap Flights from Baltimore to San Francisco

View S$171 flight on Tue, 30 Sep, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Baltimore to San Francisco (BWI-SFO)

Prices were available within the past 7 days and start at S$171 for one-way flights and S$354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 15 Sep - Fri, 19 Sep
BWI
Baltimore
SFO
San Francisco
S$354 Return, found 3 days ago
S$354
Return
found 3 days ago
Select Delta flight, departing Mon, 15 Sep from Baltimore to San Francisco, returning Fri, 19 Sep, priced at S$354 found 3 days ago
Delta
Thu, 21 Aug - Wed, 27 Aug
BWI
Baltimore
SFO
San Francisco
S$356 Return, found 3 days ago
S$356
Return
found 3 days ago
Select Delta flight, departing Thu, 21 Aug from Baltimore to San Francisco, returning Wed, 27 Aug, priced at S$356 found 3 days ago
American Airlines
Mon, 15 Sep - Fri, 19 Sep
BWI
Baltimore
SFO
San Francisco
S$358 Return, found 3 days ago
S$358
Return
found 3 days ago
Select American Airlines flight, departing Mon, 15 Sep from Baltimore to San Francisco, returning Fri, 19 Sep, priced at S$358 found 3 days ago
American Airlines
Thu, 21 Aug - Wed, 27 Aug
BWI
Baltimore
SFO
San Francisco
S$362 Return, found 3 days ago
S$362
Return
found 3 days ago
Select American Airlines flight, departing Thu, 21 Aug from Baltimore to San Francisco, returning Wed, 27 Aug, priced at S$362 found 3 days ago
United
Thu, 21 Aug - Wed, 27 Aug
BWI
Baltimore
SFO
San Francisco
S$372 Return, found 3 days ago
S$372
Return
found 3 days ago
Select United flight, departing Thu, 21 Aug from Baltimore to San Francisco, returning Wed, 27 Aug, priced at S$372 found 3 days ago
American Airlines
Mon, 15 Sep - Fri, 19 Sep
BWI
Baltimore
SFO
San Francisco
S$376 Return, found 3 days ago
S$376
Return
found 3 days ago
Select American Airlines flight, departing Mon, 15 Sep from Baltimore to San Francisco, returning Fri, 19 Sep, priced at S$376 found 3 days ago
Delta
Mon, 15 Sep - Fri, 19 Sep
BWI
Baltimore
SFO
San Francisco
S$385 Return, found 3 days ago
S$385
Return
found 3 days ago
Select Delta flight, departing Mon, 15 Sep from Baltimore to San Francisco, returning Fri, 19 Sep, priced at S$385 found 3 days ago
Delta
Thu, 21 Aug - Thu, 28 Aug
BWI
Baltimore
SFO
San Francisco
S$405 Return, found 4 days ago
S$405
Return
found 4 days ago
Select Delta flight, departing Thu, 21 Aug from Baltimore to San Francisco, returning Thu, 28 Aug, priced at S$405 found 4 days ago
Delta
Thu, 21 Aug - Wed, 27 Aug
BWI
Baltimore
SFO
San Francisco
S$446 Return, found 3 days ago
S$446
Return
found 3 days ago
Select Delta flight, departing Thu, 21 Aug from Baltimore to San Francisco, returning Wed, 27 Aug, priced at S$446 found 3 days ago
Delta
Thu, 21 Aug - Thu, 28 Aug
BWI
Baltimore
SFO
San Francisco
S$457 Return, found 4 days ago
S$457
Return
found 4 days ago
Select Delta flight, departing Thu, 21 Aug from Baltimore to San Francisco, returning Thu, 28 Aug, priced at S$457 found 4 days ago

Find the cheapest month to fly from Baltimore (BWI) to San Francisco (SFO)

April is typically the cheapest month to fly

From S$179 - S$623 per traveller.

Graph displaying average flight prices per month

Baltimore to San Francisco route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
San Francisco Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$354
Distance
3922 km
Average flight time
2 hours 46 mins

Flights from Baltimore to San Francisco

There are several airlines that operate frequent flights from Washington D.C. (BWI) to San Francisco (SFO) including

The earliest flight leaves Baltimore Washington Intl. Thurgood Marshall Airport at 05:40 and arrives at San Francisco Intl. Airport at 08:28. The last flight of the day departs Washington D.C. at 07:30 and arrives at San Francisco at 10:47.

The flight distance from Washington D.C. to San Francisco is about 3965 km, the shortest flight is 05 hours 45 minutes with .

Expedia lets you search across the largest number of airlines and San Francisco flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Baltimore San Francisco flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Baltimore to San Francisco trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your San Francisco flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Baltimore to San Francisco with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from BWI Marshall to San Francisco Airport?
The lowest price advertised for a round-trip journey from BWI Marshall to SFO is S$354. But you better act fast. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BWI to San Francisco Airport?
Most flights can be cancelled online, but whether or not you incur a fee depends on your airline. If you do need to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to SFO that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BWI Airport to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to SFO?
The flying distance between BWI (BWI) and San Francisco Intl. Airport (SFO) (SFO) is 3,900 kilometres. Squeeze in a nap or bury your nose in a book and the trip will zip by.
Which airlines fly direct from BWI Marshall to San Francisco Intl. Airport (SFO)?
United Airlines (UA) will get you from BWI Marshall to San Francisco Intl. Airport (SFO) comfortably and reliably. Choose from 30 direct flights every month on this route.
Are BWI Marshall to San Francisco Intl. Airport (SFO) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up amazing last-minute deals from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to SFO, but it can also be hit-or-miss. As many airlines release prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals regularly, so you can be certain you're always getting the latest offers.

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