Find the cheapest flights on Expedia from San Francisco (SFO) to Washington (WAS). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at CA $216 for travel on January 13, 2027.
Cheap Flights from San Francisco to Washington (SFO-WAS)
Prices were available within the past 7 days and start at CA $216 for one-way flights and CA $381 for roundtrip, for the period specified. Prices and availability are subject to change.
Find the cheapest month to fly from San Francisco (SFO) to Washington (WAS)
November is typically the cheapest month to flyNovember is typically the cheapest month to fly
From CA $297 - CA $767 per traveller.
Book with confidence
San Francisco to Washington Flights
The easy way to book your flights from San Francisco to Washington
With Expedia, it’s simple to find and book flights to Washington from San Francisco whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are nonstop flights to WAS-All Airports, too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Francisco to Washington today, tomorrow, or this week.
Save dollars with cheap flights from San Francisco Intl., SFO to WAS-All Airports, WAS
Sort your search results by price to find great deals on your flight from San Francisco to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from San Francisco currently is just CA $381 rising to CA $623.
Here are more money-saving tips:
Fly in December when flight prices are normally at their lowest
Book about a month to 6 weeks before you travel for the best prices to Washington
Avoid peak season and weekends when flights can cost more
Early morning and late-night flights are sometimes cheaper, so try varying your travel times
One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Washington from San Francisco
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.
Travel information
Origin airport
San Francisco International Airport
Destination airport
Washington Dulles International Airport
Distance
3,884 km away
Airlines serving
Alaska Airlines, Frontier Airlines, United, American Airlines, Delta, Sun Country Airlines