Cheap flights from Washington, D.C. Reagan-National Airport to San Francisco from £102

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SFO
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

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 19 January 2026.

Round-trip from

£199

One-way from

£102

Popular in

June

Cheapest in

February

Average price

£282

Good round-trip deal

£222 or less

Good one-way deal

£593 or less
Delta
  • Delta
  • 23/2-28/2
  • 2 total stops
  • 17h 57m total
  • Washington, D.C. to San Francisco
JetBlue
  • JetBlue
  • 26/3
  • 1 total stop
  • 13h 24m total
  • Washington, D.C. to San Francisco
Highest demand for flights based on searches. 6% potential increase in price (£16 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 January 2026
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to San Francisco.
Price to beat on a one-way flight from Washington, D.C. Reagan-National to San Francisco.

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 19 January 2026.

Wed 15/416:39
DCA
-
SFO
1 stop10h 20m
Delta
Thu 16/406:00
SFO
-
DCA
1 stop9h 59m
Delta
Deal found 19/1£199
Tue 7/416:50
DCA
-
SFO
2 stops9h 25m
Southwest
Sat 11/407:00
SFO
-
DCA
1 stop10h 55m
Southwest
Deal found 17/1£200
Sun 8/206:05
DCA
-
SFO
1 stop7h 55m
Delta
Thu 26/205:45
SFO
-
DCA
1 stop8h 19m
Delta
Deal found 17/1£206
Mon 23/216:44
DCA
-
SFO
1 stop8h 57m
Delta
Mon 2/322:45
SFO
-
DCA
1 stop7h 08m
Delta
Deal found 18/1£207
Tue 17/207:00
DCA
-
SFO
Nonstop6h 17m
United Airlines
Tue 24/208:30
SFO
-
DCA
Nonstop5h 13m
United Airlines
Deal found 18/1£209
Wed 18/212:45
DCA
-
SFO
2 stops10h 30m
Southwest
Sat 21/209:20
SFO
-
DCA
1 stop8h 25m
Southwest
Deal found 19/1£211
Wed 11/208:00
DCA
-
SFO
1 stop8h 35m
Southwest
Mon 16/205:55
SFO
-
DCA
1 stop10h 30m
Southwest
Deal found 17/1£211
Tue 5/509:59
DCA
-
SFO
1 stop8h 13m
Alaska Airlines
Wed 6/509:35
SFO
-
DCA
Nonstop5h 24m
Alaska Airlines
Deal found 17/1£214
Mon 30/316:59
DCA
-
SFO
1 stop10h 52m
JetBlue
Mon 6/422:00
SFO
-
DCA
1 stop12h 03m
JetBlue
Deal found 19/1£214
Thu 19/216:25
DCA
-
SFO
2 stops9h 25m
Southwest
Tue 24/206:05
SFO
-
DCA
2 stops11h 10m
Southwest
Deal found 18/1£215
Thu 26/307:30
DCA
-
SFO
1 stop13h 24m
JetBlue
Tue 31/320:15
SFO
-
DCA
1 stop8h 54m
JetBlue
Deal found 19/1£216
Tue 17/315:45
DCA
-
SFO
2 stops10h 00m
Southwest
Wed 18/305:40
SFO
-
DCA
1 stop7h 40m
Southwest
Deal found 16/1£218

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 19 January 2026.
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

Sun 19/4

06:00-10:29

1 stop7h 29m

San Francisco

Thu 23/4

06:00-18:59

1 stop9h 59m

£207

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Mon 23/2

18:59-22:19

Nonstop6h 20m

San Francisco

Wed 25/2

09:46-17:59

Nonstop5h 13m

£207

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 4/6

18:45-00:54

1 stop9h 09m

San Francisco

Mon 8/6

22:55-10:38

1 stop8h 43m

£214

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 28/2

15:40-22:30

2 stops9h 50m

San Francisco

Wed 4/3

09:50-23:20

2 stops10h 30m

£215

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 4/3

06:10-14:55

2 stops11h 45m

San Francisco

Wed 11/3

06:25-19:20

2 stops9h 55m

£215

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 1/4

14:00-22:42

1 stop11h 42m

San Francisco

Sat 4/4

22:00-10:55

1 stop9h 55m

£216

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 31/3

16:59-00:59

1 stop11h 00m

San Francisco

Sat 4/4

20:45-10:55

1 stop11h 10m

£216

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 26/3

10:05-17:54

1 stop10h 49m

San Francisco

Wed 8/4

09:00-21:15

1 stop9h 15m

£216

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 27/3

17:15-00:51

1 stop10h 36m

San Francisco

Wed 8/4

09:00-21:15

1 stop9h 15m

£216

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 10/2

18:56-22:13

Nonstop6h 17m

San Francisco

Mon 2/3

09:46-17:59

Nonstop5h 13m

£221

Flights are sorted by cheapest return flights first.

Deals found on 18/1

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 16 January 2026.

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 £199). 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 19 January 2026.

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 20m. Your travel time can differ by up to 1h 09m. 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 United Airlines (83%), Air New Zealand (83%) or Virgin Australia (75%) 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 £327 on average, our data indicates £407 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 £199). 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
San Bruno
Bodega Bay
South San Francisco
Sunnyvale
Pacific Grove

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Alternative routes for Reagan-National to San Francisco

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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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