Find Cheap Flights from Baltimore to San Francisco (WAS - SFO)

Flights overview

Useful information for finding cheap flights from Baltimore to San Francisco and booking your next trip

Cheapest round-trip flights	$191	Frontier 1 stop 10 hr Thu, Apr 16 — Wed, Apr 22	The cheapest round-trip flight from Baltimore to San Francisco is currently $191
Cheapest one-way flight	$72	Frontier 1 stop 9 hr Wed, Apr 15	The cheapest one-way flight from Baltimore to San Francisco is currently $72
Cheapest nonstop flights	$237	United Nonstop 7 hr Sat, Apr 25 — Sat, May 2	The cheapest nonstop round-trip flight from Baltimore to San Francisco is currently $237
Last-minute weekend getaway	$340	Frontier 1 stop 17 hr Thu, Mar 12 — Mon, Mar 16	The cheapest last-minute weekend getaway from Baltimore to San Francisco is currently $340
Cheapest business class flights	$429	Frontier 1 stop 14 hr Thu, Apr 16 — Wed, Apr 22	The cheapest business class round-trip flight from Baltimore to San Francisco is currently $429

Fastest flight	5 hr 40 min	The fastest nonstop flight from Baltimore to San Francisco takes 5 hr 40 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Baltimore to San Francisco is typically October. The most expensive month to fly is typically July.

October Cheapest	Typical prices: $165–335
July Most expensive	Typical prices: $265–335

Popular airlines from Baltimore to San Francisco

United

Nonstop

from $237

Typical price: $275–520

75 weekly nonstop flights

BWI, DCA, IAD - SFO Every day

1876 weekly connecting flights

BWI, DCA, IAD - SFO Every day
Southwest

Nonstop

from $237

Typical price: $310–640

7 weekly nonstop flights

BWI - SFO Every day

888 weekly connecting flights

BWI, DCA, IAD - SFO Every day
Delta

from $245

Typical price: $295–730

945 weekly connecting flights

BWI, DCA, IAD - SFO Every day
American

from $257

Typical price: $295–610

636 weekly connecting flights

BWI, DCA, IAD - SFO Every day
Alaska

Nonstop

from $310

Typical price: $305–710

7 weekly nonstop flights

DCA - SFO Every day

114 weekly connecting flights

BWI, DCA, IAD - SFO Every day
Frontier

from $191

Typical price: $205–475

72 weekly connecting flights

BWI, DCA, IAD - SFO Every day

Popular airports near Baltimore

Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 19 min 8 mi
Dulles International Airport (IAD)

Washington United States 1 hr 23 min 51 mi
Ronald Reagan Washington National Airport (DCA)

Washington United States 1 hr 38 mi
Philadelphia International Airport (PHL)

Philadelphia United States 1 hr 34 min 83 mi

Popular airports near San Francisco

San Francisco International Airport (SFO)

San Francisco United States 19 min 11 mi
Oakland San Francisco Bay Airport (OAK)

Oakland United States 27 min 11 mi
Sacramento International Airport (SMF)

Sacramento United States 1 hr 34 min 78 mi
San Jose Mineta International Airport (SJC)

San Jose United States 51 min 39 mi

Frequently asked questions about flying from Baltimore to San Francisco

The cheapest flights from Baltimore to San Francisco are usually in October. Typical ticket prices in October range from $165 to $335.

The cheapest round-trip flight from Baltimore to San Francisco recently found on Google Flights was with Frontier from $191. The cheapest one-way flight was with Frontier from $72.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Baltimore to San Francisco is $237, flying from May 2 to May 9.
The cheapest Southwest flight from Baltimore to San Francisco is $237, flying from Apr 25 to May 2.
The cheapest Delta flight from Baltimore to San Francisco is $245, flying from Apr 30 to May 6.
The cheapest American flight from Baltimore to San Francisco is $257, flying from May 2 to May 9.
The cheapest Alaska flight from Baltimore to San Francisco is $310, flying from Apr 24 to Apr 30.
The cheapest Frontier flight from Baltimore to San Francisco is $191, flying from Apr 16 to Apr 22.

The cheapest round-trip flight from Baltimore to San Francisco starts at $191 from Thu, Apr 16 to Wed, Apr 22. The cheapest one-way flight starts at $72 and departs on Wed, Apr 15.

5 hr 40 min is the shortest flight time from Baltimore to San Francisco.

Apr–Dec is when most people visit San Francisco, with crowds peaking in summer. Although average temperatures are higher then, mornings and evenings often have damp, chilly fog. In summer, street fairs and cultural institutions offer free outdoor entertainment. Winter visitors will find the opera and ballet seasons in full swing. Major annual events include Chinese New Year (Feb), Bay to Breakers footrace (May), San Francisco Pride parade and festival (Jun), and San Francisco Fleet Week (Oct).

It's easy to use Google Flights to find the cheapest days to fly from Baltimore to San Francisco.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Baltimore to San Francisco really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Baltimore to San Francisco.

In terms of nonstop flights, United is the most popular. United offers 75 nonstop flights and 1,876 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Francisco International Airport (SFO) .

Other popular airlines flying from Baltimore to San Francisco are:

Southwest offers 7 nonstop flights and 888 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Francisco International Airport (SFO) .
Delta offers 945 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Francisco International Airport (SFO) .
American offers 636 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Francisco International Airport (SFO) .
Alaska offers 7 nonstop flights and 114 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Francisco International Airport (SFO) .
Frontier offers 72 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to San Francisco International Airport (SFO) .

The number of connecting flights refers to distinct flights with at least one stop between Baltimore and San Francisco.

The cheapest round-trip flight from Baltimore to San Francisco recently found on Google Flights was with Frontier from $191. The cheapest one-way flight was with Frontier from $72.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Baltimore to San Francisco is $237, flying from May 2 to May 9.
The cheapest Southwest flight from Baltimore to San Francisco is $237, flying from Apr 25 to May 2.
The cheapest Delta flight from Baltimore to San Francisco is $245, flying from Apr 30 to May 6.
The cheapest American flight from Baltimore to San Francisco is $257, flying from May 2 to May 9.
The cheapest Alaska flight from Baltimore to San Francisco is $310, flying from Apr 24 to Apr 30.
The cheapest Frontier flight from Baltimore to San Francisco is $191, flying from Apr 16 to Apr 22.

United, Southwest and Alaska fly direct from Baltimore to San Francisco.

There are 75 United direct flights from Baltimore to San Francisco per week. Flights are available every day.
There are 7 Southwest direct flights from Baltimore to San Francisco per week. Flights are available every day.
There are 7 Alaska direct flights from Baltimore to San Francisco per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Baltimore and San Francisco at price $340 is offered by Frontier from Thu, Mar 12 to Mon, Mar 16.

United, Southwest and Alaska fly direct from Baltimore to San Francisco.

There are 75 United direct flights from Baltimore to San Francisco per week. Flights are available every day.
There are 7 Southwest direct flights from Baltimore to San Francisco per week. Flights are available every day.
There are 7 Alaska direct flights from Baltimore to San Francisco per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Baltimore to San Francisco on a daily basis.

The cheapest direct (nonstop) round-trip flights between Baltimore and San Francisco start at $237 from Sat, Apr 25 to Sat, May 2 with United.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Baltimore to San Francisco, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Baltimore and San Francisco start at $429 from Thu, Apr 16 to Wed, Apr 22 with Frontier.

The cheapest economy class round-trip flights between Baltimore and San Francisco start at $191 from Thu, Apr 16 to Wed, Apr 22.

To book business class trips from Baltimore to San Francisco, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Baltimore and San Francisco starts at $340 from Thu, Mar 12 to Mon, Mar 16 with Frontier.

The cheapest last-minute deal between Baltimore and San Francisco at price $340 is offered by Frontier from Thu, Mar 12 to Mon, Mar 16.

To find last-minute flight deals from Baltimore to San Francisco, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.