Cheap flights from Baltimore to San Francisco

Flights overview

Useful information for finding cheap flights from Baltimore to San Francisco and booking your next trip
Cheapest round-trip flights$242
Frontier1 stop14 hrSat, Aug 22 — Sat, Aug 29
The cheapest round-trip flight from Baltimore to San Francisco is currently $242
Cheapest one-way flight$127
Frontier1 stop12 hrWed, Aug 19
The cheapest one-way flight from Baltimore to San Francisco is currently $127
Cheapest nonstop flights$355
SouthwestNonstop6 hrSat, Aug 22 — Sat, Aug 29
The cheapest nonstop round-trip flight from Baltimore to San Francisco is currently $355
Last-minute weekend getaway$629
Frontier1 stop21 hrThu, Jun 25 — Sun, Jun 28
The cheapest last-minute weekend getaway from Baltimore to San Francisco is currently $629
Cheapest business class flights$490
Frontier1 stop12 hrSat, Aug 22 — Sat, Aug 29
The cheapest business class round-trip flight from Baltimore to San Francisco is currently $490
Fastest flight5 hr 37 minThe fastest nonstop flight from Baltimore to San Francisco takes 5 hr 37 min
Nonstop flightsEvery dayThere 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: $285–395

Popular airlines from Baltimore to San Francisco

  • United
    Nonstop
    from $333
    Typical price: $280–550
    80 weekly nonstop flights
    BWI, DCA, IAD - SFOEvery day
    1985 weekly connecting flights
    BWI, DCA, IAD - SFOEvery day
  • Southwest
    Nonstop
    from $355
    Typical price: $315–650
    7 weekly nonstop flights
    BWI - SFOEvery day
    931 weekly connecting flights
    BWI, DCA - SFOEvery day
  • Delta
    from $375
    Typical price: $305–760
    1002 weekly connecting flights
    BWI, DCA, IAD - SFOEvery day
  • American
    from $354
    Typical price: $315–640
    780 weekly connecting flights
    BWI, DCA, IAD - SFOEvery day
  • Alaska
    Nonstop
    from $357
    Typical price: $335–790
    7 weekly nonstop flights
    DCA - SFOEvery day
    144 weekly connecting flights
    BWI, DCA, IAD - SFOEvery day
  • Frontier
    from $242
    Typical price: $215–500
    72 weekly connecting flights
    BWI, DCA, IAD - SFOEvery day

Popular airports near Baltimore

  • Baltimore/Washington International Thurgood Marshall Airport (BWI)
    BaltimoreUnited States19 min8 mi
  • Dulles International Airport (IAD)
    WashingtonUnited States1 hr 25 min51 mi
  • Ronald Reagan Washington National Airport (DCA)
    WashingtonUnited States1 hr 1 min38 mi
  • Philadelphia International Airport (PHL)
    PhiladelphiaUnited States1 hr 35 min83 mi

Popular airports near San Francisco

  • San Francisco International Airport (SFO)
    San FranciscoUnited States19 min11 mi
  • Oakland San Francisco Bay Airport (OAK)
    OaklandUnited States27 min11 mi
  • Sacramento International Airport (SMF)
    SacramentoUnited States1 hr 33 min78 mi
  • San Jose Mineta International Airport (SJC)
    San JoseUnited States51 min39 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 $242. The cheapest one-way flight was with Frontier from $127.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Baltimore to San Francisco is $333, flying from Aug 28 to Sep 5.
  • The cheapest Southwest flight from Baltimore to San Francisco is $355, flying from Sep 12 to Sep 19.
  • The cheapest Delta flight from Baltimore to San Francisco is $375, flying from Aug 22 to Aug 29.
  • The cheapest American flight from Baltimore to San Francisco is $354, flying from Aug 28 to Sep 5.
  • The cheapest Alaska flight from Baltimore to San Francisco is $357, flying from Aug 29 to Sep 5.
  • The cheapest Frontier flight from Baltimore to San Francisco is $242, flying from Aug 22 to Aug 29.
The cheapest round-trip flight from Baltimore to San Francisco starts at $242 from Sat, Aug 22 to Sat, Aug 29. The cheapest one-way flight starts at $127 and departs on Wed, Aug 19.
5 hr 37 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 80 nonstop flights and 1,985 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (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 931 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI), Ronald Reagan Washington National Airport (DCA) to San Francisco International Airport (SFO).
  • Delta offers 1,002 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD) to San Francisco International Airport (SFO).
  • American offers 780 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD) to San Francisco International Airport (SFO).
  • Alaska offers 7 nonstop flights and 144 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (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), 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 $242. The cheapest one-way flight was with Frontier from $127.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Baltimore to San Francisco is $333, flying from Aug 28 to Sep 5.
  • The cheapest Southwest flight from Baltimore to San Francisco is $355, flying from Sep 12 to Sep 19.
  • The cheapest Delta flight from Baltimore to San Francisco is $375, flying from Aug 22 to Aug 29.
  • The cheapest American flight from Baltimore to San Francisco is $354, flying from Aug 28 to Sep 5.
  • The cheapest Alaska flight from Baltimore to San Francisco is $357, flying from Aug 29 to Sep 5.
  • The cheapest Frontier flight from Baltimore to San Francisco is $242, flying from Aug 22 to Aug 29.
United, Southwest and Alaska fly direct from Baltimore to San Francisco.
  • There are 80 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 $629 is offered by Frontier from Thu, Jun 25 to Sun, Jun 28.
United, Southwest and Alaska fly direct from Baltimore to San Francisco.
  • There are 80 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 $355 from Sat, Aug 22 to Sat, Aug 29 with Southwest.
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 $490 from Sat, Aug 22 to Sat, Aug 29 with Frontier.
The cheapest economy class round-trip flights between Baltimore and San Francisco start at $242 from Sat, Aug 22 to Sat, Aug 29.
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 $629 from Thu, Jun 25 to Sun, Jun 28 with Frontier.
The cheapest last-minute deal between Baltimore and San Francisco at price $629 is offered by Frontier from Thu, Jun 25 to Sun, Jun 28.
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.

Search more flights

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