Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Washington, D.C. from $139

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 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Francisco to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:46 am - 5:59 pm
SFO
-
DCA
5h 13mnonstop
Multiple Airlines Logo
6:00 pm - 12:29 am
DCA
-
SFO
9h 29m
1 stop
$244Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Frontier Logo
8:09 pm - 9:59 pm
SFO
-
DCA
22h 50m
2 stops
Frontier Logo
6:00 pm - 12:29 am
DCA
-
SFO
9h 29m
1 stop
$245Frontier
Mon, Mar 16 - Thu, Mar 19
Frontier Logo
6:00 am - 1:02 pm
SFO
-
DCA
28h 02m
1 stop
Frontier Logo
8:00 am - 7:53 am
DCA
-
SFO
26h 53m
1 stop
$246Frontier
Thu, Mar 26 - Wed, Apr 1
Alaska Airlines Logo
10:16 am - 9:00 pm
SFO
-
DCA
7h 44m
1 stop
Alaska Airlines Logo
6:56 pm - 10:13 pm
DCA
-
SFO
6h 17mnonstop
$247Alaska Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
7:00 am - 4:59 pm
SFO
-
DCA
6h 59m
1 stop
Multiple Airlines Logo
6:56 pm - 10:13 pm
DCA
-
SFO
6h 17mnonstop
$248Multiple Airlines
Wed, Jan 28 - Tue, Feb 10
Multiple Airlines Logo
6:15 am - 4:59 pm
SFO
-
DCA
7h 44m
1 stop
Multiple Airlines Logo
6:56 pm - 10:13 pm
DCA
-
SFO
6h 17mnonstop
$249Multiple Airlines
Thu, Jan 29 - Sun, Feb 8
Frontier Logo
10:18 pm - 9:59 pm
SFO
-
DCA
20h 41m
2 stops
Frontier Logo
6:00 pm - 11:41 pm
DCA
-
SFO
8h 41m
1 stop
$250Frontier
Mon, Jan 26 - Sat, Jan 31
Frontier Logo
6:55 am - 9:59 pm
SFO
-
DCA
12h 04m
1 stop
Frontier Logo
6:00 pm - 10:01 pm
DCA
-
SFO
31h 01m
1 stop
$251Frontier
Tue, Feb 10 - Mon, Feb 16
Multiple Airlines Logo
6:15 am - 9:59 pm
SFO
-
DCA
12h 44m
1 stop
Multiple Airlines Logo
4:59 pm - 11:59 pm
DCA
-
SFO
10h 00m
1 stop
$252Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
Frontier Logo
6:15 am - 4:59 pm
SFO
-
DCA
7h 44m
1 stop
Frontier Logo
6:00 pm - 12:28 am
DCA
-
SFO
9h 28m
1 stop
$253Frontier
Mon, Jan 26 - Fri, Feb 6

Frontier flights from San Francisco to Washington, D.C. Reagan-National Airport

Our best Frontier deals on San Francisco to Washington, D.C. Reagan-National Airport flight tickets
Frontier
Mar 16
SFO8:09 pmSan Francisco
22h 50m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
Mar 19
DCA6:00 pmWashington, D.C. Reagan-National
9h 29m
1 stop
SFO12:29 amSan Francisco
$245
Frontier
Mar 26
SFO6:00 amSan Francisco
28h 02m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
Apr 1
DCA8:00 amWashington, D.C. Reagan-National
26h 53m
1 stop
SFO7:53 amSan Francisco
$246
Frontier
Jan 27
SFO7:00 amSan Francisco
27h 02m
1 stop
DCA1:02 pmWashington, D.C. Reagan-National
Feb 2
DCA6:00 pmWashington, D.C. Reagan-National
9h 28m
1 stop
SFO12:28 amSan Francisco
$248

Southwest flights from San Francisco to Washington, D.C. Reagan-National Airport

Our best Southwest deals on San Francisco to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Feb 19
SFO5:50 amSan Francisco
9h 05m
2 stops
DCA5:55 pmWashington, D.C. Reagan-National
Feb 22
DCA6:00 amWashington, D.C. Reagan-National
7h 55m
1 stop
SFO10:55 amSan Francisco
$288
Southwest
Mar 23
SFO10:10 amSan Francisco
9h 20m
1 stop
DCA10:30 pmWashington, D.C. Reagan-National
Apr 27
DCA5:15 pmWashington, D.C. Reagan-National
9h 55m
2 stops
SFO12:10 amSan Francisco
$293
Southwest
Jan 24
SFO10:25 amSan Francisco
6h 50m
1 stop
DCA8:15 pmWashington, D.C. Reagan-National
Feb 9
DCA6:00 amWashington, D.C. Reagan-National
12h 45m
1 stop
SFO3:45 pmSan Francisco
$294

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Washington, D.C. Reagan-National Airport 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 13, 2026.
Use the filters below to find and compare flights from San Francisco to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Mon 3/9

9:46 am-5:59 pm

Nonstop5h 13m

Washington, D.C. Reagan-National

Wed 3/11

6:00 pm-12:29 am

1 stop9h 29m

$244

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Mon 3/16

8:09 pm-9:59 pm

2 stops22h 50m

Washington, D.C. Reagan-National

Thu 3/19

6:00 pm-12:29 am

1 stop9h 29m

$245

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Thu 3/26

6:00 am-1:02 pm

1 stop28h 02m

Washington, D.C. Reagan-National

Wed 4/1

8:00 am-7:53 am

1 stop26h 53m

$246

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Tue 2/3

10:16 am-9:00 pm

1 stop7h 44m

Washington, D.C. Reagan-National

Tue 2/10

6:56 pm-10:13 pm

Nonstop6h 17m

$247

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Wed 1/28

7:00 am-4:59 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Tue 2/10

6:56 pm-10:13 pm

Nonstop6h 17m

$248

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Thu 1/29

6:15 am-4:59 pm

1 stop7h 44m

Washington, D.C. Reagan-National

Sun 2/8

6:56 pm-10:13 pm

Nonstop6h 17m

$249

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Mon 1/26

10:18 pm-9:59 pm

2 stops20h 41m

Washington, D.C. Reagan-National

Sat 1/31

6:00 pm-11:41 pm

1 stop8h 41m

$250

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Tue 2/10

6:55 am-9:59 pm

1 stop12h 04m

Washington, D.C. Reagan-National

Mon 2/16

6:00 pm-10:01 pm

1 stop31h 01m

$251

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Wed 4/8

6:15 am-9:59 pm

1 stop12h 44m

Washington, D.C. Reagan-National

Wed 4/15

4:59 pm-11:59 pm

1 stop10h 00m

$252

San FranciscoWashington, D.C.

SFO - DCA

SFODCA

San Francisco

Mon 1/26

6:15 am-4:59 pm

1 stop7h 44m

Washington, D.C. Reagan-National

Fri 2/6

6:00 pm-12:28 am

1 stop9h 28m

$253

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Francisco to Washington, D.C. Reagan-National Airport

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. Reagan-National Airport?

The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Francisco, with most prices found around $361. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $362.

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

The cheapest day to depart from San Francisco to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $410. Flights from San Francisco to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $655. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest San Francisco to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as $466. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $469.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from San Francisco for as low as $370 on momondo.

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

There are 4 cabin classes available to choose from on San Francisco to Washington, D.C. Reagan-National 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 San Francisco to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 19% on your flight if you consider stops on a San Francisco to Washington, D.C. Reagan-National Airport flight.

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

As of January 2026, prices for San Francisco to Washington, D.C. Reagan-National Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (SFO to DCA) flight deals and tips

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

Best Price Found

$218

Fastest flight time

5h 03m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from San Francisco in the past 72 hours is $218. The best round-trip flight deal from San Francisco to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $337.
The fastest flight from San Francisco to Washington, D.C. Reagan-National Airport takes 5h 03m
Direct flights go from San Francisco to Washington, D.C. Reagan-National Airport every day.
Search flight deals

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

    San Francisco and Washington, D.C. Reagan-National are 2433.3 mi apart from one another. Flights usually cover this in 5h 03m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Francisco Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Washington, D.C. Reagan-National Airport.

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

    The required travel and health documents for your Washington, D.C. Reagan-National Airport 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. Reagan-National Airport. 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. Reagan-National Airport?

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

Best airlines flying from San Francisco to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from San Francisco to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $148Free CancellationRating
7.9
8,039 reviews
Search Delta flights
FrontierPriceFrom $151Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
JetBluePriceFrom $213Free CancellationRating
7.2
2,884 reviews
Search JetBlue flights
Hawaiian AirlinesPriceFrom $237Free CancellationRating
7.8
2,827 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
7.9
11,701 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $260Free CancellationRating
8.0
4,257 reviews
Search Southwest flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
9,152 reviews
Search United Airlines flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,117 reviews
Search American Airlines flights

  • Alaska Airlines Flights From San Francisco to Washington, D.C. Reagan-National Airport

    Across 7 Alaska Airlines flights from San Francisco to Washington, D.C. Reagan-National Airport this week, the average price was $444, with the best Alaska Airlines deals starting from $257 round-trip. 11,701 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.

  • Hawaiian Airlines Flights From San Francisco to Washington, D.C. Reagan-National Airport

    Another popular option for San Francisco to Washington, D.C. Reagan-National Airport flights is Hawaiian Airlines (7.8/10, 2,827 ratings). Hawaiian Airlines flies from San Francisco to Washington, D.C. Reagan-National Airport around 7 times per week, with deals starting from $237 round-trip and rising to an average price of around $433.

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
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Glen Burnie
Linthicum Heights
Reston

Why use momondo?

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

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 San Francisco to Washington, D.C. for you.

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

momondo does allow users to show only those flights to Washington, D.C. from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from San Francisco and alert you when they change.

An easier way to manage your Washington, D.C. Reagan-National Airport 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 2/12
Thu 2/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.