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Cheap Flights from Baltimore Washington International to San Francisco International

Compare Baltimore Washington International to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Baltimore Washington International to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International to San Francisco International? Find the lowest prices on one-way and return tickets right here.
San Francisco.R 1,411 per passenger.Departing Tue, 4 Nov.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Tue, 4 Nov, arriving in San Francisco International.Price includes taxes and charges.From R 1,411, select.
San Francisco.R 1,480 per passenger.Departing Wed, 29 Oct.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 29 Oct, arriving in San Francisco International.Price includes taxes and charges.From R 1,480, select.
San Francisco.R 1,612 per passenger.Departing Wed, 3 Dec.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 3 Dec, arriving in San Francisco International.Price includes taxes and charges.From R 1,612, select.
San Francisco.R 1,722 per passenger.Departing Tue, 23 Sep.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Tue, 23 Sep, arriving in San Francisco International.Price includes taxes and charges.From R 1,722, select.
San Francisco.R 1,940 per passenger.Departing Mon, 2 Feb.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Mon, 2 Feb, arriving in San Francisco International.Price includes taxes and charges.From R 1,940, select.
San Francisco.R 2,121 per passenger.Departing Tue, 13 Jan.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Tue, 13 Jan, arriving in San Francisco International.Price includes taxes and charges.From R 2,121, select.
San Francisco.R 2,355 per passenger.Departing Tue, 11 Nov.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Tue, 11 Nov, arriving in San Francisco International.Price includes taxes and charges.From R 2,355, select.
San Francisco.R 2,355 per passenger.Departing Wed, 3 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 3 Dec, arriving in San Francisco International.Price includes taxes and charges.From R 2,355, select.

Find the cheapest month to fly from Baltimore Washington International to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to San Francisco International flights are currently cheapest in November.
Sep
from R 1,722
Oct
from R 1,480
Nov
from R 1,411
Dec
from R 1,612
Jan
from R 2,121
Feb
from R 1,940
Mar
from R 2,425
Apr
from R 3,208
May
from R 4,441
Jun
from R 4,445
Jul
from R 4,611
Aug
Find prices

Direct flights from Baltimore Washington International to San Francisco International

Baltimore Washington International to San Francisco International: Alternative routes

Compare routes from Baltimore Washington International to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Washington D.C. to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundR 1,411
Cheapest month to flyNovember
Average flight time6 hrs, 2 mins
Most popular airlineUnited
Average flights per week37

Finding cheap flights from Baltimore Washington International to San Francisco International: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to San Francisco International is R 2,919. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 2 minutes is the average flight time from Baltimore Washington International to San Francisco International.
United, Southwest Airlines and Virgin Australia fly direct from Baltimore Washington International to San Francisco International.
As of September 2025, there are 37 flights per week flying from Baltimore Washington International to San Francisco International.
The cheapest month to fly from Baltimore Washington International to San Francisco International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to San Francisco International Airport on Monday, 3 November 2025.
Yes – the average flight time is 6 hours and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to San Francisco International.

Travelling from Baltimore/Wash International Thurgood Marshall Airport (BWI) to San Francisco International Airport (SFO): what you need to know

  • The average duration of a direct flight from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport is 5 hours 45 minutes.

  • The timezone in San Francisco is UTC-7, which is three hours behind Washington DC.

  • You can choose from 19 weekly Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport flights. The 06:30 departure with United Airlines is the earliest available. United Airlines operates the latest service of the day at 18:52.

  • Arrive at the airport on time so you don't miss your BWI to SFO flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Flying during a peak time like July? Public holidays and other high seasons can mean longer lines at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • United Airlines offers direct flights from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport. Book with this popular carrier, then get ready to tick off the sights in San Francisco — and maybe even more of United States if time allows.

  • The airline with the highest booking volume on this route is United Airlines.

  • United Airlines tops the rankings as the most punctual carrier for BWI to SFO flights, with 87.84% of services reaching their destination on schedule.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to visit the city of your choice. Worthwhile stopovers between BWI and SFO include:

    • Denver International Airport

    • Minneapolis-St. Paul International Airport

    • Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to San Francisco International Airport (SFO)

  • Right now, R 1,411 is the cheapest price we've found for a one-way Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport flight. The best price for a return ticket is R 2,919. Bear in mind that fares could change due to availability when booking.

  • To score cheap tickets from BWI to SFO, book your journey six months ahead of your departure date.

  • May is the cheapest month for flights from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport. If you prefer to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Save time looking for cheap flights from BWI to SFO by setting up a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Tailor your flights using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Of all flights leaving Baltimore/Wash International Thurgood Marshall Airport, 77.13% touch down on time at their destination.

  • Baltimore/Wash International Thurgood Marshall Airport is around 48 kilometres from central Washington DC. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 50 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of around 1 hour 30 minutes when using public transport.

  • Have an early flight from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by picking one of these stays close to BWI:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 20 minutes to drive to the centre.

  • Travelling to the centre on public transport will take you around 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the most popular month for flights from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport. For a quieter experience, visit San Francisco in February.

  • The warmest month in San Francisco is September, with the temperature ranging between 12ºC (54ºF) and 22ºC (72ºF). Lock in your flights from Baltimore/Wash International Thurgood Marshall Airport to San Francisco International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from BWI to SFO in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 6ºC (43ºF) and 16ºC (61ºF) on average.

Explore more of United States

  • You've seen San Francisco, now it's time to explore other corners of United States. Journey around 64 kilometres south-east to San Jose to check off its top sights. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, your itinerary will be busy.

  • If you're looking to explore another corner of United States, head for Fresno, roughly 257 kilometres south-east of San Francisco. Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden are key reasons to visit.

Plan the rest of your trip from Washington D.C. to San Francisco

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.