Cheap flights from Washington, D.C. Reagan-National Airport to San Francisco

DCA — SFO
19 Aug — 26 Aug1
1 adult

Cheap flight deals from Reagan-National to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 August 2025.

Round-trip from

£195

One-way from

£96

Popular in

December

Cheapest in

January

Average price

£307

Good one-way deal

£109 or less
Southwest
  • Southwest
  • 27/9-4/10
  • 3 total stops
  • 21h 00m total
  • Washington, D.C. to San Francisco
Southwest
  • Southwest
  • 15/9
  • 1 total stop
  • 8h 45m total
  • Washington, D.C. to San Francisco
Highest demand for flights based on searches. 3% potential increase in price (£8 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a one-way flight from Washington, D.C. Reagan-National to San Francisco.

Best time to book a flight from Reagan-National to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Reagan-National with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to San Francisco

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San Francisco?

Use this chart to determine the optimal time to book a return flight from Reagan-National to San Francisco. Price data was last updated on 8 August 2025.

The price you pay for your flight from Washington, D.C. Reagan-National Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 39 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Francisco (average of £538). Flying from Washington, D.C. Reagan-National Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to SFO?

Find hourly flight availability from Reagan-National to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

When flying from Washington, D.C. Reagan-National Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Reagan-National Airport to San Francisco

Explore weekly flight availability from Reagan-National to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 August 2025.

The most flights from DCA to SFO are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from Washington, D.C. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 7 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to San Francisco from Washington, D.C. Reagan-National on a regular basis.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to San Francisco one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as £96. Users have also found prices from £100 and £103 on Southwest and Delta, respectively.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to San Francisco?

    Consider United Airlines (72%), Air New Zealand (72%) or Alaska Airlines (55%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Reagan-National Airport to San Francisco.

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to San Francisco?

    Looking at all options, your cheapest flight can be booked for £104. While the most popular route (Washington, D.C. Reagan-National - San Francisco) can be booked for £176 on average our data indicates £159 when flying from Washington, D.C. Reagan-National Airport to San Francisco.

  • Can I find deals for flights from Reagan-National to San Francisco that include hotel bookings?

    Yes. In addition to deals on Reagan-National to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to San Francisco.

  • Can I find deals for business class flights from Reagan-National to San Francisco?

    Yes. Cheapflights offers flight deals from Reagan-National to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Francisco (average of £538). Flying from Washington, D.C. Reagan-National Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
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Pacific Grove
Union City

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Alternative routes for Reagan-National to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Reagan-National to San Francisco?

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Why should you use Cheapflights to find cheap flight tickets from Reagan-National to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Reagan-National to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Reagan-National to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Reagan-National to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Reagan-National to San Francisco become cheaper?

Yes! Start tracking prices for Reagan-National to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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