$169 Cheap United flights San Francisco (SFO) to Baltimore (BWI)

View $169 flight on Tue, Oct 7, 2025Opens in a new window

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$169 Cheap United flights San Francisco (SFO) to Baltimore (BWI)

Prices were available within the past 7 days and start at $169 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Nov 11 - Wed, Nov 19
SFO
San Francisco
BWI
Baltimore
$325 Roundtrip, found 5 hours ago
$325
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Nov 11 from San Francisco to Baltimore, returning Wed, Nov 19, priced at $325 found 5 hours ago
United
Tue, Sep 30 - Wed, Oct 1
SFO
San Francisco
BWI
Baltimore
$337 Roundtrip, found 1 hour ago
$337
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 30 from San Francisco to Baltimore, returning Wed, Oct 1, priced at $337 found 1 hour ago
Flights from San Francisco (SFO) to Baltimore (BWI)
Origin airport
San Francisco Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Popular airline
United
Distance
2451 mi
Average flight time
9 hours 25 mins

Frequently asked questions

How much is a United Airlines flight from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Scoring cheap one-way United Airlines flights from SFO to BWI from $169 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $325 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SFO to BWI with United Airlines?
Browse for one-way or round-trip flights to Baltimore in January or February. You could find a cheap fare with United Airlines during these off-peak times.
What is the cheapest time to book flights from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with United Airlines?
For cheap United Airlines fares from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Jet off on one of United Airlines's 7 weekly direct flights from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). To see your choices, enter your destination, origin and dates and hit search. Then use the "Nonstop" and "Airline" filters.
How long does it take to fly from SFO to BWI with United Airlines?
From wheels-up to touchdown, a nonstop United Airlines flight from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) takes approximately 5h 15m.
What is the earliest United Airlines flight from SFO to BWI?
The first flight from SFO to BWI with United Airlines leaves at 10:47PM UTC-8. You'll land at 7:02AM UTC-5. The final United Airlines flight of the day takes off at 10:47PM UTC-8 and arrives at 7:02AM UTC-5. With approximately 20% fewer cancellations for morning and mid-morning flights, starting your travel day early is usually the smartest choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Baltimore?
United Airlines flights from San Francisco Intl. Airport (SFO) to Baltimore come in to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), Ronald Reagan Washington National Airport (DCA) and Washington Dulles Intl. Airport (IAD). The main Baltimore hub served by this airline is BWI. It's always worth looking into flights landing at other nearby airports on Expedia as they may offer cheaper prices.
Why fly with United Airlines from SFO to BWI?
Journey from SFO to BWI with United Airlines and you can look forward to a range of perks starting with a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
United Airlines typically flies Boeing 737 MAX 9 planes for flights from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This airline also operates the Boeing 737-900 on this route. Bear in mind that aircraft type can change depending on operational reasons, so the plane you catch could be different on the day.
Can I change or cancel my United Airlines flight from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Changes are usually free within 24 hours of making your booking, but your airline may add a charge after that time. For more information about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to change your plans without being charged, check the "Changes included" and "No cancel fee" filters when planning your next break.

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