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$81 Flights from San Francisco International (SFO) to Baltimore Washington International (BWI)

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Flight deals from San Francisco International to Baltimore Washington International

Looking for a cheap last-minute deal or the best round-trip flight from San Francisco International to Baltimore Washington International? Find the lowest prices on one-way and round-trip tickets right here.
Washington, D.C..$81 per passenger.Departing Tue, Jan 13.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Francisco International on Tue, Jan 13, arriving in Baltimore Washington International.Price includes taxes and charges.From $81, select.
Washington, D.C..$82 per passenger.Departing Mon, Feb 2.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Francisco International on Mon, Feb 2, arriving in Baltimore Washington International.Price includes taxes and charges.From $82, select.
Washington, D.C..$91 per passenger.Departing Mon, Mar 9.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Francisco International on Mon, Mar 9, arriving in Baltimore Washington International.Price includes taxes and charges.From $91, select.
Washington, D.C..$108 per passenger.Departing Mon, Feb 9.One-way flight with United.Outbound direct flight with United departing from San Francisco International on Mon, Feb 9, arriving in Baltimore Washington International.Price includes taxes and charges.From $108, select.
Washington, D.C..$132 per passenger.Departing Tue, Dec 16.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Francisco International on Tue, Dec 16, arriving in Baltimore Washington International.Price includes taxes and charges.From $132, select.
Washington, D.C..$141 per passenger.Departing Sat, Jan 31.One-way flight with United.Outbound direct flight with United departing from San Francisco International on Sat, Jan 31, arriving in Baltimore Washington International.Price includes taxes and charges.From $141, select.
Washington, D.C..$147 per passenger.Departing Tue, Apr 7.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from San Francisco International on Tue, Apr 7, arriving in Baltimore Washington International.Price includes taxes and charges.From $147, select.
Washington, D.C..$172 per passenger.Departing Tue, Jun 16.One-way flight with Sun Country Airlines.Outbound indirect flight with Sun Country Airlines, departing from San Francisco International on Tue, Jun 16, arriving in Baltimore Washington International.Price includes taxes and charges.From $172, select.
Map with a flight path from San Francisco International to Baltimore Washington International. A plane icon is halfway along the route with a label that says "Direct flight."
Direct flight

Your route at a glance

Cheapest deal$182
Cheapest monthJanuary
Average flight duration5 hours and 20 minutes
Most popular airlineUnited

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Baltimore Washington International flights are currently cheapest in January.
Dec
from $132
Jan
from $81
Feb
from $82
Mar
from $91
Apr
from $147
May
from $172
Jun
from $172
Jul
from $180
Aug
from $180
Sep
from $263
Oct
from $263
Nov
Find prices

Direct flights from San Francisco International to Baltimore Washington International

San Francisco International to Baltimore Washington International: Alternative routes

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

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

The best price we found for a round-trip flight from San Francisco International to Baltimore Washington International is $182. 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.
5 hours and 20 minutes is the average flight time from San Francisco International to Baltimore Washington International.
United, Virgin Australia and Southwest Airlines fly direct from San Francisco International to Baltimore Washington International.
There are 49 flights per week flying from San Francisco International to Baltimore Washington International, as of December 2025.
The cheapest month to fly from San Francisco International to Baltimore Washington International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Baltimore Washington International Airport on Thursday, January 8, 2026.
Yes – the average flight time is 5 hours and 20 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 Baltimore Washington 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 Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Baltimore Washington International.

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

  • Hop on a direct flight from San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport and you'll be traveling for an average of 5 hours 10 minutes.

  • Washington DC's timezone is UTC-4, making Washington DC three hours ahead of San Francisco.

  • Flights from SFO to BWI start at 08:25 — the first with United Airlines. The latest departure is at 23:18 with United Airlines. Overall, there are 18 weekly San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport flights.

  • Your SFO to BWI flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Traveling during a peak time such as August? School holidays and other popular periods can lead to longer lines and delays at check-in and security. Play things extra safe and get there up to four hours before international flights and two hours before a domestic departure.

  • United Airlines is your ticket to exploring Washington DC (and perhaps some other exciting parts of United States!). Browse the direct flights from San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport offered by this airline.

  • The airline with the highest number of bookings on this route is United Airlines.

  • United Airlines is the most punctual carrier that operates SFO to BWI flights. A reliable 84.93% of its departures on this route arrive on time.

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

    • Chicago Midway International Airport

    • Lambert-St. Louis International Airport

    • Denver International Airport

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

  • The cheapest price we've found for a one-way San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport flight is $81. A return fare is currently $182. Depending on the availability when you book, these fares could change.

  • Score cheap tickets from SFO to BWI by booking at least six months ahead. According to our research, that's the sweet spot for picking up a bargain.

  • Organize your trip for May. That's the cheapest month for flights from San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport. If you have flexibility with your dates, try out the 'Whole month' tool to find the lowest airfare across every month.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update as soon as a special offer becomes available on cheap flights from SFO to BWI.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about San Francisco International Airport (SFO)

  • Of all flights departing from San Francisco International Airport, 77.36% touch down on time at their destination.

  • Central San Francisco to San Francisco International Airport is around 13 miles. Depending on traffic, it'll take about 20 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Catching public transport? Expect a trip time of around 45 minutes.

  • Have an early flight from San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays near SFO:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport is approximately 30 miles from the center of Washington DC. The drive time takes about 50 minutes.

  • Getting there by public transport will take you around 1 hour 30 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The quietest month for a flight from San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport is May, while July is the busiest. Choose the best time to visit Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Washington DC is July, with the temperature ranging between 66ºF and 91ºF. Lock in your flights from San Francisco International Airport to Baltimore/Wash International Thurgood Marshall Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from SFO to BWI in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 21ºF and 50ºF on average.

Explore more of United States

  • Washington DC has plenty to offer, but there are so many other corners of United States just waiting to be explored. About 200 miles north-east of Washington DC, a trip to New York will keep your itinerary busy. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • Around 120 miles north-east of Washington DC, Philadelphia is another favorite stop in United States. Experience this destination's highlights firsthand at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

More travel options

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