$94 Cheap Flights from San Francisco (SFO) to Baltimore (BWI)

View $94 flight on Tue, Jun 3, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $94 for one-way flights and $183 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Apr 29 - Wed, Apr 30
SFO
San Francisco
BWI
Baltimore
$183 Roundtrip, found 1 hour ago
$183
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Apr 29 from San Francisco to Baltimore, returning Wed, Apr 30, priced at $183 found 1 hour ago
Frontier Airlines
Sat, May 31 - Sat, Jun 7
SFO
San Francisco
BWI
Baltimore
$188 Roundtrip, just found
$188
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 31 from San Francisco to Baltimore, returning Sat, Jun 7, priced at $188 just found
Frontier Airlines
Wed, May 28 - Mon, Jun 2
SFO
San Francisco
BWI
Baltimore
$198 Roundtrip, just found
$198
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 28 from San Francisco to Baltimore, returning Mon, Jun 2, priced at $198 just found
Frontier Airlines
Tue, Apr 29 - Wed, Apr 30
SFO
San Francisco
BWI
Baltimore
$208 Roundtrip, found 1 hour ago
$208
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Apr 29 from San Francisco to Baltimore, returning Wed, Apr 30, priced at $208 found 1 hour ago
Frontier Airlines
Tue, May 27 - Wed, Jun 4
SFO
San Francisco
BWI
Baltimore
$217 Roundtrip, found 3 hours ago
$217
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 27 from San Francisco to Baltimore, returning Wed, Jun 4, priced at $217 found 3 hours ago
Frontier Airlines
Fri, May 16 - Sat, May 24
SFO
San Francisco
BWI
Baltimore
$218 Roundtrip, just found
$218
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 16 from San Francisco to Baltimore, returning Sat, May 24, priced at $218 just found
Alaska Airlines
Sat, May 31 - Sat, Jun 7
SFO
San Francisco
BWI
Baltimore
$254 Roundtrip, just found
$254
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, May 31 from San Francisco to Baltimore, returning Sat, Jun 7, priced at $254 just found
Hawaiian Airlines
Tue, Sep 2 - Sat, Sep 13
SFO
San Francisco
BWI
Baltimore
$277 Roundtrip, found 4 days ago
$277
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 2 from San Francisco to Baltimore, returning Sat, Sep 13, priced at $277 found 4 days ago
Sun Country Airlines
Mon, Jun 16 - Tue, Jun 24
SFO
San Francisco
BWI
Baltimore
$303 Roundtrip, found 3 hours ago
$303
Roundtrip
found 3 hours ago
Select Sun Country Airlines flight, departing Mon, Jun 16 from San Francisco to Baltimore, returning Tue, Jun 24, priced at $303 found 3 hours ago
American Airlines
Mon, Jul 21 - Wed, Jul 30
SFO
San Francisco
BWI
Baltimore
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Jul 21 from San Francisco to Baltimore, returning Wed, Jul 30, priced at $309 found 1 hour ago

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Find cheap return fares from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) starting from $293. Reserve your seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SFO on May 11 2025 and touching down at BWI. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SFO to BWI?
The cheapest flights from SFO to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
When flying out of San Francisco Intl. Airport (SFO), you can jump on a direct flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with United Airlines.
What is the cheapest airline that flies from SFO to BWI?
Fly from SFO to BWI with Southwest Airlines. This carrier currently has the cheapest one-way ticket on this route, starting from $175. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on June 11 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
On average, just 1 direct flight departs each day from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Need other options? Use Expedia’s filters to find flights with layovers and add an extra destination to your journey.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The 10 PM departures from SFO to BWI see the highest demand. These flights can come with a higher price due to their popularity. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from SFO to BWI?
Saturday offers the most flights from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Consider taking off on this day and you’ll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
San Francisco Intl. Airport (SFO)’s first flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) departs at approximately 10:47PM UTC-8. With a flight time of 5h 15m, you’ll touch down at around 7:02AM UTC-5.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The average flight time from SFO to BWI is 5 hours and 15 minutes, covering a distance of 2,500 mi.
What airline has the least delays from SFO to BWI?
United Airlines has the best performance for on-time direct flights from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), with an on-time rating of 80%. Use the Expedia App to look up your flight schedule before you jet off and receive notifications about any trip changes.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Baltimore from San Francisco Intl. Airport (SFO)?
Board a direct flight from San Francisco Intl. Airport (SFO) to Baltimore and you’ll land at one of these hubs:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute bookings from SFO to BWI are typically more expensive. To lock in the lowest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a SFO to BWI flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to BWI flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and select from our wide range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you reserved your SFO to BWI flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.
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