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Cheap flights from San Francisco to Washington, D.C. from $140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Washington, D.C. departing on 1/15. 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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Cheap round-trip flights

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Multiple Airlines Logo
6:15 am - 4:59 pm
SFO
-
DCA
7h 44m1 stop
Multiple Airlines Logo
6:56 pm - 10:13 pm
DCA
-
SFO
6h 17mnonstop
$260Multiple Airlines
Thu, Jan 15 - Mon, Jan 19
Frontier Logo
6:15 am - 10:44 am
SFO
-
IAD
49h 29m2 stops
Frontier Logo
5:33 pm - 11:41 pm
IAD
-
SFO
33h 08m2 stops
$260Frontier
Thu, Jan 22 - Mon, Jan 26
JetBlue Logo
8:29 pm - 11:09 am
SFO
-
DCA
11h 40m1 stop
JetBlue Logo
3:25 pm - 11:38 pm
DCA
-
SFO
11h 13m1 stop
$261JetBlue
Sat, Jan 10 - Sat, Jan 17
United Airlines Logo
9:20 pm - 5:32 am
SFO
-
IAD
5h 12mnonstop
United Airlines Logo
8:25 am - 11:43 am
IAD
-
SFO
6h 18mnonstop
$272United Airlines
Sat, Jan 17 - Sun, Jan 18
Hawaiian Airlines Logo
7:00 am - 5:04 pm
SFO
-
IAD
7h 04m1 stop
Hawaiian Airlines Logo
5:26 pm - 10:47 pm
IAD
-
SFO
8h 21m1 stop
$275Hawaiian Airlines
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
4:47 pm - 12:59 am
SFO
-
IAD
5h 12mnonstop
United Airlines Logo
4:10 pm - 7:19 pm
IAD
-
SFO
6h 09mnonstop
$277United Airlines
Sat, Jan 10 - Fri, Jan 16
Delta Logo
10:54 pm - 10:27 am
SFO
-
BWI
8h 33m1 stop
Delta Logo
6:05 am - 2:40 pm
BWI
-
SFO
11h 35m2 stops
$386Delta
Thu, Jan 15 - Sun, Jan 25
Delta Logo
10:54 pm - 10:27 am
SFO
-
BWI
8h 33m1 stop
Delta Logo
6:00 am - 3:58 pm
BWI
-
SFO
12h 58m2 stops
$391Delta
Thu, Jan 15 - Sun, Jan 25
Alaska Airlines Logo
7:40 pm - 6:14 pm
SFO
-
BWI
19h 34m1 stop
Alaska Airlines Logo
7:14 pm - 3:50 pm
BWI
-
SFO
23h 36m1 stop
$397Alaska Airlines
Fri, Jan 16 - Fri, Jan 23
Alaska Airlines Logo
4:46 pm - 6:14 pm
SFO
-
BWI
22h 28m1 stop
Alaska Airlines Logo
7:14 pm - 4:22 pm
BWI
-
SFO
24h 08m2 stops
$398Alaska Airlines
Wed, Jan 7 - Wed, Jan 14

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

Our best Hawaiian Airlines deals on San Francisco to Washington, D.C. flight tickets
Hawaiian Airlines
Jan 31
SFO7:00 amSan Francisco
7h 04m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
Feb 7
IAD5:26 pmWashington, D.C. Dulles Intl
8h 21m
1 stop
SFO10:47 pmSan Francisco
$275
Find similar
Hawaiian Airlines
Jan 22
SFO7:00 amSan Francisco
7h 04m
1 stop
IAD5:04 pmWashington, D.C. Dulles Intl
Jan 25
IAD5:26 pmWashington, D.C. Dulles Intl
8h 21m
1 stop
SFO10:47 pmSan Francisco
$299
Find similar
Hawaiian Airlines
Jan 22
SFO9:40 amSan Francisco
5h 16m
DCA5:56 pmWashington, D.C. Reagan-National
Jan 26
DCA6:56 pmWashington, D.C. Reagan-National
6h 17m
SFO10:13 pmSan Francisco
$311
Find similar

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

Our best American Airlines deals on San Francisco to Washington, D.C. flight tickets
American Airlines
Jan 10
SFO6:00 amSan Francisco
7h 31m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
Jan 13
IAD1:08 pmWashington, D.C. Dulles Intl
10h 17m
1 stop
SFO8:25 pmSan Francisco
$276
Find similar
American Airlines
Jan 10
SFO7:00 amSan Francisco
7h 16m
1 stop
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 24
IAD1:08 pmWashington, D.C. Dulles Intl
11h 29m
2 stops
SFO9:37 pmSan Francisco
$282
Find similar
American Airlines
Feb 18
SFO9:15 amSan Francisco
10h 33m
2 stops
IAD10:48 pmWashington, D.C. Dulles Intl
Feb 25
IAD3:13 pmWashington, D.C. Dulles Intl
10h 52m
2 stops
SFO11:05 pmSan Francisco
$287
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Washington, D.C. 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 December 18, 2025.
Use the filters below to find and compare flights from San Francisco to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Thu 1/15

6:15 am-4:59 pm

1 stop7h 44m

Washington, D.C. Reagan-National

Mon 1/19

6:56 pm-10:13 pm

Nonstop6h 17m

$260

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 1/22

6:15 am-10:44 am

2 stops49h 29m

Washington, D.C. Dulles Intl

Mon 1/26

5:33 pm-11:41 pm

2 stops33h 08m

$260

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Sat 1/10

8:29 pm-11:09 am

1 stop11h 40m

Washington, D.C. Reagan-National

Sat 1/17

3:25 pm-11:38 pm

1 stop11h 13m

$261

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 1/17

9:20 pm-5:32 am

Nonstop5h 12m

Washington, D.C. Dulles Intl

Sun 1/18

8:25 am-11:43 am

Nonstop6h 18m

$272

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 1/31

7:00 am-5:04 pm

1 stop7h 04m

Washington, D.C. Dulles Intl

Sat 2/7

5:26 pm-10:47 pm

1 stop8h 21m

$275

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 1/10

4:47 pm-12:59 am

Nonstop5h 12m

Washington, D.C. Dulles Intl

Fri 1/16

4:10 pm-7:19 pm

Nonstop6h 09m

$277

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Thu 1/15

10:54 pm-10:27 am

1 stop8h 33m

Baltimore/Washington

Sun 1/25

6:05 am-2:40 pm

2 stops11h 35m

$386

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Thu 1/15

10:54 pm-10:27 am

1 stop8h 33m

Baltimore/Washington

Sun 1/25

6:00 am-3:58 pm

2 stops12h 58m

$391

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Fri 1/16

7:40 pm-6:14 pm

1 stop19h 34m

Baltimore/Washington

Fri 1/23

7:14 pm-3:50 pm

1 stop23h 36m

$397

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Wed 1/7

4:46 pm-6:14 pm

1 stop22h 28m

Baltimore/Washington

Wed 1/14

7:14 pm-4:22 pm

2 stops24h 08m

$398

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 Washington, D.C. from

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

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 cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from San Francisco, with most prices found around $382. If you’re not able to fly to Washington, D.C. in February, then August is your next best option. Flight prices from San Francisco to Washington, D.C. during August average around $387.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from San Francisco is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $464. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Washington, D.C. for around $658.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from San Francisco to Washington, D.C. when you can find flight prices for as low as $457. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $556. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from San Francisco for as low as $366 on momondo.

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

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

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

As of December 2025, prices for San Francisco to Washington, D.C. flights are approximately 1% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$207

Fastest flight time

4h 53m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from San Francisco in the past 72 hours is $207. The best round-trip flight deal from San Francisco to Washington, D.C. found on momondo in the last 72 hours is $347.
The fastest flight from San Francisco to Washington, D.C. takes 4h 53m
Direct flights go from San Francisco to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From San Francisco there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).
Search flight deals

  • How far is San Francisco to Washington, D.C. by plane?

    A flight from San Francisco to Washington, D.C. will travel around 2432.6 mi. In terms of flight time, this usually takes a little over 4h 53m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

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

Compare and see reviews for airlines that fly from San Francisco to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Sun Country AirPriceFrom $140Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $172Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $188Free CancellationRating
7.9
8,005 reviews
Search Delta flights
JetBluePriceFrom $213Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
Hawaiian AirlinesPriceFrom $237Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $241Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $260Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

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

    Alaska Airlines flight deals from San Francisco to Washington, D.C. start from $241 round-trip. Over the 7 Alaska Airlines flights for this route in a normal week, average airfare is usually $416 round-trip - but some users have found much cheaper deals with momondo.

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

    The best Hawaiian Airlines deal for San Francisco to Washington, D.C. flight tickets found on momondo in the last 72 hours was $237, round-trip. It should be noted that an average Hawaiian Airlines flight deal for this route in this time was higher, at $418 round-trip. Hawaiian Airlines operates 7 flights out of San Francisco into Washington, D.C. in an average week, so prices vary by time and availability. 2,819 Hawaiian Airlines reviews by users on momondo have scored the airline at 7.8/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from San Francisco to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Washington, D.C. from San Francisco.

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

Of course. momondo tracks the price of San Francisco to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. 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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport