Cheap flights from San Francisco to Washington, D.C. from $191

The month of January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Francisco, with most prices found around $337. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $397.

The cheapest day to depart from San Francisco to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $476. Flights from San Francisco to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $774. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest San Francisco to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as $544. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $595.

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $506 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from San Francisco for as low as $320 on momondo.

There are 4 cabin classes available to choose from on San Francisco to Washington, D.C. Reagan-National Airport 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 10% on your flight if you consider stops on a San Francisco to Washington, D.C. Reagan-National Airport flight.

As of September 2026, prices for San Francisco to Washington, D.C. Reagan-National Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

JetBlue, Southwest, and United Airlines are the most popular carriers operating from San Francisco to Washington, D.C. Reagan-National

United Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 7 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

Denver (DEN) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Chicago (ORD) offer the lowest average round-trip price of $362.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 7h 43m.

Detroit (DTW) has the shortest average layover time for this route: 1h 39m.

As of September 2026, there are 6 flights per day flying from San Francisco to Washington, D.C. Reagan-National Airport. The most common time of day flights depart is 8:00AM, with 64% of flights taking off at noon.

The number of flights available between San Francisco and Washington, D.C. Reagan-National Airport is 46 per week as of September 2026. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.