Cheap flights from Washington, D.C. Reagan-National Airport to San Francisco Bay Area from $124

In general, January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $347. If you aren’t able to travel to San Francisco Bay Area 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 $347.

On average, the least expensive day to fly to San Francisco Bay Area from Washington, D.C. Reagan-National Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $480. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $751.

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is in the evening. Flights from Washington, D.C. Reagan-National Airport to San Francisco Bay Area during this time can be as low as $527. In contrast, the most expensive time of day to depart to San Francisco Bay Area is in the afternoon when prices are around $544.

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

You are more likely to see cheaper flights to San Francisco Bay Area from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around $440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area from Washington, D.C. Reagan-National Airport for as low as $319 on momondo.

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

Delta, Southwest, and Alaska Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to San Francisco Bay Area

United Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to San Francisco Bay Area from Washington, D.C. Reagan-National Airport according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to San Francisco Bay Area. Keep in mind that there are 8 different airlines that fly to San Francisco Bay Area on a routine basis, so you have a few additional options to choose from.

As of April 2026, 10 flights take off from Washington, D.C. Reagan-National Airport and land in San Francisco Bay Area each day. The most common flight departure time for this route is 7:00AM, with 38% of daily flights taking off at noon.

As of April 2026, 72 flights take off from Washington, D.C. Reagan-National Airport and land in San Francisco Bay Area each week. The most common flight departure day for this route is Tue, with 18% of weekly flights taking off on this day.