Cheap flights from San Francisco to Washington, D.C. from $196

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 $394.

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 $452. Flights from San Francisco to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $768. 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 $518. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $575.

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 $472 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 $340 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.

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

As of August 2026, prices for San Francisco to Washington, D.C. Reagan-National Airport flights are approximately 7% more expensive when compared to flights at the same time last year.

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

United Airlines, Alaska Airlines and Frontier 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 8 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: 88% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $310.

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 August 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 71% of flights taking off at noon.

The number of flights available between San Francisco and Washington, D.C. Reagan-National Airport is 45 per week as of August 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.