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Cheap flights from Washington, D.C. Reagan-National Airport to San Francisco from £110

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SFO
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 November 2025.

Thu 11/1207:00DCA - SFO
Nonstop6h 07mUnited Airlines
Mon 15/1200:43SFO - DCA
1 stop7h 49mUnited Airlines
Deal found 3/11£201
Tue 2/1217:59DCA - SFO
Nonstop6h 11mUnited Airlines
Tue 9/1213:25SFO - DCA
Nonstop5h 11mUnited Airlines
Deal found 4/11£202
Mon 24/1107:00DCA - SFO
Nonstop6h 07mUnited Airlines
Tue 2/1223:59SFO - DCA
1 stop8h 33mUnited Airlines
Deal found 3/11£204
Sat 6/1206:05DCA - SFO
2 stops10h 35mSouthwest
Sat 13/1206:25SFO - DCA
1 stop10h 05mSouthwest
Deal found 3/11£205
Tue 9/1208:30DCA - SFO
1 stop8h 05mUnited Airlines
Sat 13/1200:43SFO - DCA
1 stop7h 49mUnited Airlines
Deal found 4/11£208
Thu 4/1208:59DCA - SFO
1 stop10h 47mAlaska Airlines
Tue 9/1207:35SFO - DCA
1 stop11h 24mAlaska Airlines
Deal found 3/11£211
Fri 12/1218:59DCA - SFO
Nonstop6h 19mAlaska Airlines
Mon 15/1209:51SFO - DCA
Nonstop5h 08mAlaska Airlines
Deal found 3/11£212
Thu 4/1207:00DCA - SFO
Nonstop6h 07mUnited Airlines
Sun 7/1200:43SFO - DCA
1 stop7h 49mUnited Airlines
Deal found 4/11£216
Tue 9/1208:00DCA - SFO
2 stops17h 48mAlaska Airlines
Tue 16/1209:00SFO - DCA
1 stop9h 59mAlaska Airlines
Deal found 3/11£218
Thu 4/1208:59DCA - SFO
1 stop8h 16mAlaska Airlines
Wed 10/1209:51SFO - DCA
Nonstop5h 08mAlaska Airlines
Deal found 4/11£220

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 5 November 2025.

Round-trip from

£201

One-way from

£110

Popular in

December

Cheapest in

January

Average price

£316
United Airlines
  • United Airlines
  • 26/2-2/3
  • 1 total stop
  • 14h 09m total
  • Washington, D.C. to San Francisco
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Alaska Airlines
  • Alaska Airlines
  • 5/3
  • 1 total stop
  • 10h 06m total
  • Washington, D.C. to San Francisco
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 November 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 28/2

18:35-21:41

Nonstop6h 06m

San Francisco

Sat 7/3

09:15-17:32

Nonstop5h 17m

£204

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 30/1

09:59-16:36

1 stop9h 37m

San Francisco

Tue 3/2

07:30-20:00

1 stop9h 30m

£211

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 13/12

17:11-23:01

1 stop8h 50m

San Francisco

Mon 19/1

22:54-08:55

1 stop7h 01m

£212

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 12/12

09:36-14:23

1 stop7h 47m

San Francisco

Mon 15/12

00:30-11:09

1 stop7h 39m

£212

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 27/2

06:00-10:55

1 stop7h 55m

San Francisco

Tue 3/3

05:30-18:00

2 stops9h 30m

£216

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 27/2

17:00-23:11

1 stop9h 11m

San Francisco

Mon 2/3

13:33-21:39

Nonstop5h 06m

£220

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 4/12

08:30-13:35

1 stop8h 05m

San Francisco

Sun 7/12

00:43-11:32

1 stop7h 49m

£223

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 5/3

06:00-11:45

1 stop8h 45m

San Francisco

Mon 9/3

20:41-09:06

1 stop9h 25m

£224

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 8/1

06:05-13:38

2 stops10h 33m

San Francisco

Sun 11/1

00:47-11:00

1 stop7h 13m

£234

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Mon 12/1

18:56-22:13

Nonstop6h 17m

San Francisco

Mon 19/1

21:54-20:00

1 stop19h 06m

£235

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 19 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 31 October 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 £99). Flying from Washington, D.C. Reagan-National Airport to San Francisco in June is currently the most expensive (average of £197). 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 November 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 8 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 Delta can get you from Washington, D.C. Reagan-National Airport to San Francisco in just under 6h 06m. Your travel time can differ by up to 2h 44m. 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 (78%), Fiji Airways (78%) or Qantas Airways (78%) when booking your flight. These represent the most reliable airlines 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 £99). Flying from Washington, D.C. Reagan-National Airport to San Francisco in June is currently the most expensive (average of £197). 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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Santa Cruz
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San Bruno
Bodega Bay
Pacific Grove

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Reagan-National to Los Angeles flights

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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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