Cheap flights from Washington, D.C. to San Francisco from $99

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 9/6. 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

Southwest Logo
6:05 pm - 10:25 pmIAD-SFO
7h 20m1 stop
Southwest Logo
12:20 pm - 10:05 pmSFO-IAD
6h 45m1 stop
$198Southwest
Find Deal
Wed, Sep 3 - Tue, Sep 16
Southwest Logo
6:30 am - 11:50 amDCA-SFO
8h 20m1 stop
Southwest Logo
5:00 am - 3:35 pmSFO-DCA
7h 35m1 stop
$198Southwest
Find Deal
Sat, Aug 30 - Sat, Sep 6
Frontier Logo
6:00 pm - 10:30 pmDCA-SFO
7h 30m1 stop
Frontier Logo
10:49 am - 9:59 pmSFO-DCA
8h 10m1 stop
$254Frontier
Find Deal
Sat, Sep 13 - Sat, Sep 20
Frontier Logo
6:00 pm - 10:33 pmDCA-SFO
7h 33m1 stop
Frontier Logo
6:50 am - 4:59 pmSFO-DCA
7h 09m1 stop
$255Frontier
Find Deal
Sat, Aug 23 - Tue, Aug 26
Hawaiian Airlines Logo
5:52 pm - 11:40 pmIAD-SFO
8h 48m1 stop
Hawaiian Airlines Logo
6:00 am - 4:52 pmSFO-IAD
7h 52m1 stop
$261Hawaiian Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
Hawaiian Airlines Logo
5:52 pm - 11:40 pmIAD-SFO
8h 48m1 stop
Hawaiian Airlines Logo
6:00 am - 4:52 pmSFO-IAD
7h 52m1 stop
$264Hawaiian Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
United Airlines Logo
7:00 am - 9:50 amDCA-SFO
5h 50mnonstop
United Airlines Logo
1:20 pm - 9:37 pmSFO-DCA
5h 17mnonstop
$277United Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
United Airlines Logo
7:00 pm - 9:53 pmDCA-SFO
5h 53mnonstop
United Airlines Logo
12:43 am - 11:34 amSFO-DCA
7h 51m1 stop
$287United Airlines
Find Deal
Sat, Sep 27 - Mon, Sep 29
Alaska Airlines Logo
7:00 am - 1:46 pmIAD-SFO
9h 46m1 stop
Alaska Airlines Logo
6:00 am - 4:52 pmSFO-IAD
7h 52m1 stop
$296Alaska Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Alaska Airlines Logo
5:52 pm - 7:52 amIAD-SFO
17h 00m2 stops
Alaska Airlines Logo
6:00 am - 5:09 pmSFO-IAD
8h 09m1 stop
$307Alaska Airlines
Find Deal
Mon, Sep 8 - Fri, Sep 12

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

Our best American Airlines deals on Washington, D.C. to San Francisco flight tickets
American Airlines
Oct 7
BWI11:50 amBaltimore/Washington
13h 19m
1 stop
SFO10:09 pmSan Francisco
Oct 21
SFO6:10 amSan Francisco
14h 38m
1 stop
BWI11:48 pmBaltimore/Washington
American Airlines
Sep 25
BWI11:23 amBaltimore/Washington
14h 46m
1 stop
SFO11:09 pmSan Francisco
Sep 30
SFO12:47 amSan Francisco
14h 03m
1 stop
BWI5:50 pmBaltimore/Washington
American Airlines
Sep 4
BWI11:23 amBaltimore/Washington
13h 05m
1 stop
SFO9:28 pmSan Francisco
Sep 9
SFO8:00 amSan Francisco
11h 42m
1 stop
BWI10:42 pmBaltimore/Washington

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

Our best Delta deals on Washington, D.C. to San Francisco flight tickets
Delta
Oct 25
IAD6:00 amWashington, D.C. Dulles Intl
7h 33m
1 stop
SFO10:33 amSan Francisco
Oct 31
SFO12:50 amSan Francisco
9h 47m
1 stop
IAD1:37 pmWashington, D.C. Dulles Intl
Delta
Sep 5
IAD6:00 amWashington, D.C. Dulles Intl
7h 30m
1 stop
SFO10:30 amSan Francisco
Sep 8
SFO12:35 amSan Francisco
9h 50m
1 stop
IAD1:25 pmWashington, D.C. Dulles Intl
Delta
Oct 4
IAD12:35 pmWashington, D.C. Dulles Intl
7h 57m
1 stop
SFO5:32 pmSan Francisco
Oct 11
SFO1:45 pmSan Francisco
7h 55m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl

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 August 5, 2025.
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

Wed 9/3

6:05 pm-10:25 pm

1 stop7h 20m

San Francisco

Tue 9/16

12:20 pm-10:05 pm

1 stop6h 45m

$198

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 8/30

6:30 am-11:50 am

1 stop8h 20m

San Francisco

Sat 9/6

5:00 am-3:35 pm

1 stop7h 35m

$198

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 9/13

6:00 pm-10:30 pm

1 stop7h 30m

San Francisco

Sat 9/20

10:49 am-9:59 pm

1 stop8h 10m

$254

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 8/23

6:00 pm-10:33 pm

1 stop7h 33m

San Francisco

Tue 8/26

6:50 am-4:59 pm

1 stop7h 09m

$255

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 8/30

5:52 pm-11:40 pm

1 stop8h 48m

San Francisco

Sat 9/6

6:00 am-4:52 pm

1 stop7h 52m

$261

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 9/6

5:52 pm-11:40 pm

1 stop8h 48m

San Francisco

Wed 9/10

6:00 am-4:52 pm

1 stop7h 52m

$264

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 9/3

7:00 am-9:50 am

Nonstop5h 50m

San Francisco

Sat 9/6

1:20 pm-9:37 pm

Nonstop5h 17m

$277

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 9/27

7:00 pm-9:53 pm

Nonstop5h 53m

San Francisco

Mon 9/29

12:43 am-11:34 am

1 stop7h 51m

$287

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 8/27

7:00 am-1:46 pm

1 stop9h 46m

San Francisco

Wed 9/3

6:00 am-4:52 pm

1 stop7h 52m

$296

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 9/8

5:52 pm-7:52 am

2 stops17h 00m

San Francisco

Fri 9/12

6:00 am-5:09 pm

1 stop8h 09m

$307

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 $396.

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 $499. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $702.

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 in the morning. Our users have found flights to San Francisco in the morning for as low as $548. Flights in the afternoon are often more expensive with an average ticket price of $627.

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

Fly from Baltimore/Washington 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 $438 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 $380 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.

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

As of August 2025, prices for Washington, D.C. to San Francisco flights are approximately 5% 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

$99

Fastest flight time

5h 45m

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 $99. The best round-trip flight deal from Washington, D.C. to San Francisco found on momondo in the last 72 hours is $198.
The fastest flight from Washington, D.C. to San Francisco takes 5h 45m
Direct flights go from Washington, D.C. to San Francisco every day.
There is 1 airport near San Francisco: 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 45m.

  • 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
Spirit AirlinesPriceFrom $101Free CancellationRating
6.3
8,054 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
Sun Country AirPriceFrom $142Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,617 reviews
Search Hawaiian Airlines flights
JetBluePriceFrom $162Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $188Free CancellationRating
8.0
7,990 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $239Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
8,910 reviews
Search United Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
  • Alaska Airlines Flights From Washington, D.C. to San Francisco

    Across 10 Alaska Airlines flights from Washington, D.C. to San Francisco this week, the average price was $432, with the best Alaska Airlines deals starting from $239 round-trip. 10,000 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, 2,619 ratings). Hawaiian Airlines flies from Washington, D.C. to San Francisco around 21 times per week, with deals starting from $158 round-trip and rising to an average price of around $406.


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
Calistoga
Hayward
Sonoma
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Berkeley
Fremont
Walnut Creek
Half Moon Bay
South San Francisco
Vallejo
Redwood City
Sunnyvale
Pacific Grove

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.


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1 adult
Sun 8/10
Sun 8/17

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