Cheap flights from Washington, D.C. to San Francisco from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to San Francisco departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:44 am - 9:39 pm
IAD
-
SFO
12h 55m
1 stop
Frontier Logo
11:00 pm - 10:15 am
SFO
-
IAD
8h 15m
1 stop
$255Frontier
Thu, Feb 12 - Sat, Feb 21
Multiple Airlines Logo
6:00 am - 12:57 pm
DCA
-
SFO
9h 57m
1 stop
Multiple Airlines Logo
6:00 am - 4:59 pm
SFO
-
DCA
7h 59m
1 stop
$255Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
United Airlines Logo
6:15 am - 9:30 am
IAD
-
SFO
6h 15mnonstop
United Airlines Logo
4:55 pm - 1:03 am
SFO
-
IAD
5h 08mnonstop
$256United Airlines
Thu, Mar 19 - Wed, Mar 25
Multiple Airlines Logo
2:00 pm - 10:01 pm
DCA
-
SFO
11h 01m
1 stop
Multiple Airlines Logo
11:59 pm - 1:59 pm
SFO
-
DCA
11h 00m
2 stops
$256Multiple Airlines
Tue, Mar 3 - Wed, Mar 11
United Airlines Logo
10:10 pm - 1:28 am
IAD
-
SFO
6h 18mnonstop
United Airlines Logo
4:55 pm - 1:03 am
SFO
-
IAD
5h 08mnonstop
$257United Airlines
Thu, Feb 26 - Thu, Mar 5
Delta Logo
4:44 pm - 10:41 pm
DCA
-
SFO
8h 57m
1 stop
Delta Logo
12:42 pm - 11:28 pm
SFO
-
DCA
7h 46m
1 stop
$257Delta
Sat, Feb 21 - Tue, Mar 3
United Airlines Logo
5:50 pm - 9:19 pm
DCA
-
SFO
6h 29mnonstop
United Airlines Logo
1:39 pm - 9:45 pm
SFO
-
DCA
5h 06mnonstop
$258United Airlines
Sat, Feb 28 - Thu, Mar 5
Frontier Logo
6:20 am - 7:14 pm
IAD
-
SFO
15h 54m
1 stop
Frontier Logo
5:49 pm - 8:56 am
SFO
-
IAD
12h 07m
2 stops
$259Frontier
Mon, Mar 23 - Wed, Apr 15
American Airlines Logo
3:11 pm - 10:20 pm
IAD
-
SFO
10h 09m
1 stop
American Airlines Logo
6:00 am - 8:30 pm
SFO
-
IAD
11h 30m
2 stops
$262American Airlines
Wed, Feb 18 - Mon, Mar 2
Alaska Airlines Logo
6:46 pm - 11:59 pm
BWI
-
SFO
32h 13m
1 stop
Alaska Airlines Logo
11:34 am - 5:46 pm
SFO
-
BWI
27h 12m
1 stop
$315Alaska Airlines
Wed, Feb 18 - Wed, Feb 25

Frontier flights from Washington, D.C. to San Francisco

Our best Frontier deals on Washington, D.C. to San Francisco flight tickets
Frontier
Feb 12
IAD11:44 amWashington, D.C. Dulles Intl
12h 55m
1 stop
SFO9:39 pmSan Francisco
Feb 21
SFO11:00 pmSan Francisco
8h 15m
1 stop
IAD10:15 amWashington, D.C. Dulles Intl
$255
Frontier
Feb 10
DCA8:00 amWashington, D.C. Reagan-National
13h 20m
2 stops
SFO6:20 pmSan Francisco
Feb 18
SFO6:55 amSan Francisco
9h 04m
1 stop
DCA6:59 pmWashington, D.C. Reagan-National
$256
Frontier
Feb 3
DCA6:00 pmWashington, D.C. Reagan-National
8h 41m
1 stop
SFO11:41 pmSan Francisco
Feb 7
SFO7:00 amSan Francisco
6h 59m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$259

United Airlines flights from Washington, D.C. to San Francisco

Our best United Airlines deals on Washington, D.C. to San Francisco flight tickets
United Airlines
Mar 19
IAD6:15 amWashington, D.C. Dulles Intl
6h 15m
SFO9:30 amSan Francisco
Mar 25
SFO4:55 pmSan Francisco
5h 08m
IAD1:03 amWashington, D.C. Dulles Intl
$256
United Airlines
Feb 26
IAD10:10 pmWashington, D.C. Dulles Intl
6h 18m
SFO1:28 amSan Francisco
Mar 5
SFO4:55 pmSan Francisco
5h 08m
IAD1:03 amWashington, D.C. Dulles Intl
$257
United Airlines
Feb 28
DCA5:50 pmWashington, D.C. Reagan-National
6h 29m
SFO9:19 pmSan Francisco
Mar 5
SFO1:39 pmSan Francisco
5h 06m
DCA9:45 pmWashington, D.C. Reagan-National
$258

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 2/12

11:44 am-9:39 pm

1 stop12h 55m

San Francisco

Sat 2/21

11:00 pm-10:15 am

1 stop8h 15m

$255

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Thu 3/5

6:00 am-12:57 pm

1 stop9h 57m

San Francisco

Thu 3/12

6:00 am-4:59 pm

1 stop7h 59m

$255

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 3/19

6:15 am-9:30 am

Nonstop6h 15m

San Francisco

Wed 3/25

4:55 pm-1:03 am

Nonstop5h 08m

$256

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 3/3

2:00 pm-10:01 pm

1 stop11h 01m

San Francisco

Wed 3/11

11:59 pm-1:59 pm

2 stops11h 00m

$256

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 2/26

10:10 pm-1:28 am

Nonstop6h 18m

San Francisco

Thu 3/5

4:55 pm-1:03 am

Nonstop5h 08m

$257

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 2/21

4:44 pm-10:41 pm

1 stop8h 57m

San Francisco

Tue 3/3

12:42 pm-11:28 pm

1 stop7h 46m

$257

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 2/28

5:50 pm-9:19 pm

Nonstop6h 29m

San Francisco

Thu 3/5

1:39 pm-9:45 pm

Nonstop5h 06m

$258

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 3/23

6:20 am-7:14 pm

1 stop15h 54m

San Francisco

Wed 4/15

5:49 pm-8:56 am

2 stops12h 07m

$259

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 2/18

3:11 pm-10:20 pm

1 stop10h 09m

San Francisco

Mon 3/2

6:00 am-8:30 pm

2 stops11h 30m

$262

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 2/18

6:46 pm-11:59 pm

1 stop32h 13m

San Francisco

Wed 2/25

11:34 am-5:46 pm

1 stop27h 12m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Washington, D.C. to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $389.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Washington, D.C. to San Francisco is on a Thursday when prices can be found for as low as $491. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $696.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Washington, D.C. to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $499. Flights in the afternoon are often more expensive with an average ticket price of $608.

What is the cheapest Washington, D.C. to San Francisco flight route?

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $419 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Washington, D.C. for as low as $371 on momondo.

What cabin class options are available on Washington, D.C. to San Francisco flights?

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

Can stopping save me money on Washington, D.C. to San Francisco flights?

You could potentially save up to 50% on your flight if you consider stops on a Washington, D.C. to San Francisco flight.

How have Washington, D.C. to San Francisco flight prices changed over time?

As of January 2026, prices for Washington, D.C. to San Francisco flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to San Francisco (WAS to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Francisco

Best Price Found

$199

Fastest flight time

5h 42m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Washington, D.C. in the past 72 hours is $199. The best round-trip flight deal from Washington, D.C. to San Francisco found on momondo in the last 72 hours is $341.
The fastest flight from Washington, D.C. to San Francisco takes 5h 42m
Direct flights go from Washington, D.C. to San Francisco every day.
There is 1 airport in San Francisco. From Washington, D.C. there are direct flights to San Francisco (SFO).
  • How far is Washington, D.C. to San Francisco by plane?

    San Francisco is 2432.6 mi away from Washington, D.C.. A reasonable flight in good conditions will take 5h 42m.

  • When did momondo last update prices for flights from Washington, D.C. to San Francisco Airport?

    Prices for flights from Washington, D.C. to San Francisco Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to San Francisco Airport?

  • How old do you have to be to fly from Washington, D.C. to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to San Francisco?

  • What is the most popular airline from Washington, D.C. to San Francisco?

Best airlines flying from Washington, D.C. to San Francisco

Compare and see reviews for airlines that fly from Washington, D.C. to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $105Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $134Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,127 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
JetBluePriceFrom $141Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
Sun Country AirPriceFrom $142Free CancellationRating
6.9
343 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
SouthwestPriceFrom $272Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $276Free CancellationRating
8.0
11,808 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From Washington, D.C. to San Francisco

    Across 1 Alaska Airlines flight from Washington, D.C. to San Francisco this week, the average price was $397, with the best Alaska Airlines deals starting from $276 round-trip. 11,805 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Hawaiian Airlines Flights From Washington, D.C. to San Francisco

    Another popular option for Washington, D.C. to San Francisco flights is Hawaiian Airlines (7.8/10, 2,830 ratings). Hawaiian Airlines flies from Washington, D.C. to San Francisco around 7 times per week, with deals starting from $138 round-trip and rising to an average price of around $392.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Fremont
Daly City
Half Moon Bay
Salinas
Vallejo
Livermore
Sunnyvale
Turlock

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to San Francisco for you.

Can I find flights from Washington, D.C. to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to San Francisco right now. Can momondo alert me if prices change?

Price alerts on flights to San Francisco from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Sat 2/28
Sat 3/7

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