Cheap flights from San Francisco to Washington, D.C. from $148

The month of January is, on average, the cheapest month to fly to Washington, D.C. from San Francisco, with most prices found around $357. If you’re not able to fly to Washington, D.C. in January, then August is your next best option. Flight prices from San Francisco to Washington, D.C. during August average around $387.

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 $469. 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 $653.

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 $461. 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 $531. 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 $435 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 $354 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.

No. A direct flight is the cheapest option for a flight between San Francisco to Washington, D.C..

As of March 2026, prices for San Francisco to Washington, D.C. flights are approximately 12% cheaper when compared to flights at the same time last year.

Frontier, Delta, and JetBlue are the most popular carriers operating from San Francisco to Washington, D.C.

United Airlines, Alaska Airlines and Southwest 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 60% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 9 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: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Phoenix (PHX) offer the lowest average round-trip price of $225.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 6h 35m.

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

As of March 2026, 37 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 48% of daily flights taking off at noon.

263 flights are operational weekly from San Francisco to Washington, D.C. as of March 2026. The most popular departure day for this route is Fri, with 17% of flights per week taking off on this day.