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Cheap flights from Washington, D.C. Reagan-National Airport to San Francisco from £104

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SFO
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Reagan-National to San Francisco
Explore the most affordable flight options available from Reagan-National to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Mon 22/1206:15DCA - SFO
1 stop10h 56mJetBlue
Fri 26/1220:44SFO - DCA
1 stop10h 50mJetBlue
Deal found 3/12£239
Thu 11/1214:00DCA - SFO
1 stop13h 24mFrontier
Sat 13/1206:30SFO - DCA
1 stop7h 29mFrontier
Deal found 3/12£243
Wed 31/1216:35DCA - SFO
1 stop7h 40mSouthwest
Wed 7/105:30SFO - DCA
2 stops9h 30mSouthwest
Deal found 4/12£271
Thu 25/1216:35DCA - SFO
1 stop7h 40mSouthwest
Thu 1/106:10SFO - DCA
1 stop9h 05mSouthwest
Deal found 3/12£283
Wed 31/1217:00DCA - SFO
1 stop10h 03mUnited Airlines
Wed 7/113:39SFO - DCA
Nonstop5h 13mUnited Airlines
Deal found 3/12£288
Wed 24/1216:17DCA - SFO
1 stop9h 48mUnited Airlines
Wed 7/108:35SFO - DCA
Nonstop5h 17mUnited Airlines
Deal found 3/12£289
Sun 21/1206:00DCA - SFO
1 stop11h 45mSouthwest
Wed 21/109:55SFO - DCA
2 stops10h 20mSouthwest
Deal found 4/12£301
Thu 25/1216:35DCA - SFO
1 stop7h 40mSouthwest
Wed 31/1205:50SFO - DCA
2 stops9h 55mSouthwest
Deal found 3/12£301
Thu 25/1208:15DCA - SFO
1 stop8h 40mSouthwest
Tue 30/1205:00SFO - DCA
1 stop8h 45mSouthwest
Deal found 4/12£302
Wed 24/1211:15DCA - SFO
2 stops10h 00mSouthwest
Thu 1/106:10SFO - DCA
1 stop9h 05mSouthwest
Deal found 3/12£306

Find 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 5 December 2025.

Round-trip from

£205

One-way from

£104

Popular in

December

Cheapest in

January

Average price

£396

Good round-trip deal

£222 or less
Southwest
  • Southwest
  • 7/1-9/1
  • 4 total stops
  • 20h 00m total
  • Washington, D.C. to San Francisco
Search Deals
Delta
  • Delta
  • 6/1
  • 1 total stop
  • 8h 17m total
  • Washington, D.C. to San Francisco
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to San Francisco.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Reagan-National to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San Francisco that are best for you.

Fly from

Reagan-National

Fly to

San Francisco

Route

Depart

Return

Price

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 14/2

18:59-22:19

Nonstop6h 20m

San Francisco

Wed 18/2

09:46-17:59

Nonstop5h 13m

£208

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 14/2

18:59-22:19

Nonstop6h 20m

San Francisco

Fri 20/2

09:46-17:59

Nonstop5h 13m

£208

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 13/1

17:09-14:00

2 stops23h 51m

San Francisco

Sun 18/1

08:20-21:00

1 stop9h 40m

£214

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 21/1

09:59-20:12

2 stops13h 13m

San Francisco

Tue 27/1

10:16-21:00

1 stop7h 44m

£214

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 9/5

18:45-00:54

1 stop9h 09m

San Francisco

Mon 18/5

22:55-12:53

1 stop10h 58m

£215

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 16/1

07:00-10:16

Nonstop6h 16m

San Francisco

Mon 19/1

13:39-21:52

Nonstop5h 13m

£223

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 14/1

12:20-17:43

1 stop8h 23m

San Francisco

Sun 18/1

00:40-11:00

1 stop7h 20m

£223

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 16/1

18:56-22:13

Nonstop6h 17m

San Francisco

Tue 20/1

19:40-16:09

1 stop17h 29m

£230

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 13/2

16:35-23:25

2 stops9h 50m

San Francisco

Tue 17/2

10:50-23:50

2 stops10h 00m

£233

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sun 18/1

08:00-15:50

1 stop10h 50m

San Francisco

Thu 22/1

09:40-17:56

Nonstop5h 16m

£233

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 22 results
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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 28 November 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 6 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Francisco (average of £95). Flying from Washington, D.C. Reagan-National Airport to San Francisco in June is currently the most expensive (average of £193). 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 5 December 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.

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.

  • How long is the flight from Washington, D.C. Reagan-National Airport to San Francisco?

    Alaska Airlines and JetBlue can get you from Washington, D.C. Reagan-National Airport to San Francisco in just under 6h 20m. Your travel time can differ by up to 2h 49m. The distance from Washington, D.C. Reagan-National Airport to San Francisco is about 2435 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Consider Alaska Airlines (80%), Fiji Airways (80%) or Qantas Airways (80%) 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 £219. While the most popular route (Washington, D.C. Reagan-National - San Francisco) can be booked for £182 on average, our data indicates £222 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Francisco (average of £95). Flying from Washington, D.C. Reagan-National Airport to San Francisco in June is currently the most expensive (average of £193). 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?

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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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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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