£138 Cheap Flights from San Francisco (SFO) to Baltimore (BWI)

View £138 flight on Wed, 27 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £138 for one-way flights and £190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 27 May - Wed, 10 Jun
SFO
San Francisco
BWI
Baltimore
£190 Return, found 6 days ago
£190
Return
found 6 days ago
Select Delta flight, departing Wed, 27 May from San Francisco to Baltimore, returning Wed, 10 Jun, priced at £190 found 6 days ago
Delta
Wed, 27 May - Mon, 8 Jun
SFO
San Francisco
BWI
Baltimore
£195 Return, found 6 days ago
£195
Return
found 6 days ago
Select Delta flight, departing Wed, 27 May from San Francisco to Baltimore, returning Mon, 8 Jun, priced at £195 found 6 days ago
Delta
Mon, 11 May - Thu, 28 May
SFO
San Francisco
BWI
Baltimore
£200 Return, found 6 days ago
£200
Return
found 6 days ago
Select Delta flight, departing Mon, 11 May from San Francisco to Baltimore, returning Thu, 28 May, priced at £200 found 6 days ago
Delta
Fri, 15 May - Tue, 2 Jun
SFO
San Francisco
BWI
Baltimore
£212 Return, found 6 days ago
£212
Return
found 6 days ago
Select Delta flight, departing Fri, 15 May from San Francisco to Baltimore, returning Tue, 2 Jun, priced at £212 found 6 days ago
Delta
Sat, 6 Jun - Tue, 23 Jun
SFO
San Francisco
BWI
Baltimore
£215 Return, found 6 days ago
£215
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from San Francisco to Baltimore, returning Tue, 23 Jun, priced at £215 found 6 days ago
Delta
Fri, 15 May - Mon, 1 Jun
SFO
San Francisco
BWI
Baltimore
£217 Return, found 6 days ago
£217
Return
found 6 days ago
Select Delta flight, departing Fri, 15 May from San Francisco to Baltimore, returning Mon, 1 Jun, priced at £217 found 6 days ago
Delta
Sat, 6 Jun - Fri, 26 Jun
SFO
San Francisco
BWI
Baltimore
£222 Return, found 6 days ago
£222
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Jun from San Francisco to Baltimore, returning Fri, 26 Jun, priced at £222 found 6 days ago
Delta
Fri, 15 May - Fri, 29 May
SFO
San Francisco
BWI
Baltimore
£233 Return, found 6 days ago
£233
Return
found 6 days ago
Select Delta flight, departing Fri, 15 May from San Francisco to Baltimore, returning Fri, 29 May, priced at £233 found 6 days ago
Delta
Fri, 5 Jun - Tue, 23 Jun
SFO
San Francisco
BWI
Baltimore
£236 Return, found 6 days ago
£236
Return
found 6 days ago
Select Delta flight, departing Fri, 5 Jun from San Francisco to Baltimore, returning Tue, 23 Jun, priced at £236 found 6 days ago
Alaska Airlines
Mon, 1 Jun - Wed, 10 Jun
SFO
San Francisco
BWI
Baltimore
£353 Return, found 3 days ago
£353
Return
found 3 days ago
Select Alaska Airlines flight, departing Mon, 1 Jun from San Francisco to Baltimore, returning Wed, 10 Jun, priced at £353 found 3 days ago

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Average driving time to city centre is 57 minutes. Flights from £666
DCA
Ronald Reagan Washington National
Average driving time to city centre57 min
Flights from £666

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
One-way flights typically cost between £159 and £586 and return flights often range between £956 and £3,306. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
September is typically the cheapest month to fly from San Francisco International Airport (SFO) to Baltimore Washington International Thurgood Marshall (BWI), with average return fares of approximately £299. This is about 16% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from San Francisco International Airport (SFO) to Baltimore Washington International Thurgood Marshall (BWI) include February and October.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Enter SFO to BWI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) (SFO) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) (BWI) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from San Francisco, CA (SFO-San Francisco Intl.) (SFO) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) (BWI), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Based on booking data from the past year, the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) depends on what you're looking for. If you're aiming for the lowest prices, September and October are typically the cheapest months, with average return flights around £299. However, if you prefer to travel when there are plenty of flight options and higher demand, June and January are the most popular months. Since there isn't an overlap between the cheapest and most popular months, you can choose based on whether price or flight availability is more important for your trip.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
There are approximately 4 nonstop flights per day from San Francisco Intl. (SFO) to Baltimore Washington Intl. Thurgood Marshall (BWI). For even more choice, look at flights that include layovers, as there are around 147 connecting flights per day. Some common connection points include Los Angeles Intl. (LAX), San Diego Intl. (SAN), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from San Francisco Intl. (SFO) to Baltimore Washington Intl. Thurgood Marshall (BWI) typically departs at approximately 12:05 AM local time, operated by Delta Air Lines. This is a seasonal service active in May and June. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You'll typically find the most flights from San Francisco International Airport (SFO) to Baltimore Washington International Thurgood Marshall (BWI) on a Thursday, with around 92 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, Southwest Airlines, and United Airlines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The most popular departure times for flights from San Francisco International Airport (SFO) to Baltimore Washington International Thurgood Marshall (BWI) are in the late evening, from 9pm to midnight. Approximately 23% of passengers prefer this time window. Many major carriers, including United Airlines, Southwest Airlines and Delta Air Lines, offer flights during this window. These times work well because you can maximise your day before your flight, and you'll arrive at your destination ready for the next day.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Flying nonstop from SFO to BWI takes around 5 hours 20 minutes, with the route covering approximately 2,452 miles. Flights with a layover typically take 2 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Select the "Business class" and "First class" filters when looking for SFO to BWI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Baltimore from San Francisco Intl. (SFO)?
From San Francisco Intl. (SFO), you can fly directly into Baltimore Washington Intl. Thurgood Marshall (BWI) to reach Baltimore. Some flights may connect through major hubs like Denver Intl. (DEN), Midway Intl. (MDW), Los Angeles Intl. (LAX) before reaching Baltimore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines
Return price
£190
Distance
3922 km
Average flight time
9 hours 15 mins

Book with confidence

Compare flights from San Francisco to Baltimore easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Baltimore. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Baltimore Washington Intl. Thurgood Marshall in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Baltimore Washington Intl. Thurgood Marshall.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Baltimore Washington Intl. Thurgood Marshall (BWI)

The easiest way to view the best deals on flights from San Francisco to Baltimore today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Baltimore Washington Intl. Thurgood Marshall start at just £190 and range up to £353.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and Baltimore
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to Baltimore flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Baltimore Washington Intl. Thurgood Marshall for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Francisco to Baltimore easily and book with confidence

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*Available to Expedia members.