Cheap flights from San Francisco to Washington, D.C. from $170

The month of January is, on average, the cheapest month to fly to Washington, D.C. from San Francisco, with most prices found around $372. If you’re not able to fly to Washington, D.C. in January, then February is your next best option. Flight prices from San Francisco to Washington, D.C. during February average around $397.

On average, the least expensive day to fly to Washington, D.C. from San Francisco is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $518. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Washington, D.C. for around $766.

In the afternoon is the cheapest time of day to fly from San Francisco to Washington, D.C. when you can find flight prices for as low as $501. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $618. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from San Francisco to Baltimore/Washington for the best San Francisco - Washington, D.C. flight prices

You are more likely to see cheaper flights to Washington, D.C. from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $498 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from San Francisco for as low as $362 on momondo.

There are 4 cabin classes available to choose from on San Francisco to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 5% on your flight if you consider stops on a San Francisco to Washington, D.C. flight.

As of August 2026, prices for San Francisco to Washington, D.C. flights are approximately 4% cheaper when compared to flights at the same time last year.

Southwest, United Airlines, and American Airlines are the most popular carriers operating from San Francisco to Washington, D.C.

United Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to Washington, D.C. from San Francisco according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 8 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 65% of momondo users choosing 1-stop flights on this route connected there.

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $208.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 7h 22m.

Detroit (DTW) has the shortest average layover time for this route: 1h 07m.

As of August 2026, 29 flights take off from San Francisco and land in Washington, D.C. each day. The most common flight departure time for this route is 8:00AM, with 55% of daily flights taking off at noon.

206 flights are operational weekly from San Francisco to Washington, D.C. as of August 2026. The most popular departure day for this route is Fri, with 22% of flights per week taking off on this day.