Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Washington, D.C. from $149

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 11/13. 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.
Alaska Airlines Logo
7:00 am - 5:13 pmSFO-IAD
7h 13m1 stop
Alaska Airlines Logo
7:43 am - 3:43 pmIAD-SFO
11h 00m1 stop
$256Alaska Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
Delta Logo
1:58 pm - 12:54 amSFO-IAD
7h 56m1 stop
Delta Logo
6:59 pm - 12:12 amIAD-SFO
8h 13m1 stop
$257Delta
Find Deal
Tue, Nov 11 - Tue, Nov 18
Frontier Logo
10:23 pm - 4:34 pmSFO-IAD
15h 11m1 stop
Frontier Logo
6:00 am - 4:43 pmIAD-SFO
37h 43m2 stops
$258Frontier
Find Deal
Sat, Nov 8 - Mon, Nov 17
Frontier Logo
10:23 pm - 4:34 pmSFO-IAD
15h 11m1 stop
Frontier Logo
5:58 am - 4:43 pmIAD-SFO
13h 45m2 stops
$259Frontier
Find Deal
Sat, Nov 8 - Sat, Nov 15
American Airlines Logo
11:59 pm - 1:35 pmSFO-IAD
10h 36m2 stops
American Airlines Logo
6:04 am - 1:37 pmIAD-SFO
10h 33m1 stop
$262American Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
American Airlines Logo
11:15 pm - 1:20 pmSFO-IAD
11h 05m2 stops
American Airlines Logo
2:16 pm - 10:09 pmIAD-SFO
10h 53m1 stop
$264American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
Southwest Logo
5:15 am - 5:10 pmSFO-IAD
8h 55m1 stop
Southwest Logo
4:40 pm - 9:50 pmIAD-SFO
8h 10m1 stop
$265Southwest
Find Deal
Fri, Dec 12 - Tue, Dec 16
Southwest Logo
7:40 am - 10:00 pmSFO-IAD
11h 20m2 stops
Southwest Logo
6:05 pm - 11:55 pmIAD-SFO
8h 50m1 stop
$269Southwest
Find Deal
Wed, Dec 17 - Tue, Dec 30
Alaska Airlines Logo
7:00 am - 5:13 pmSFO-IAD
7h 13m1 stop
Alaska Airlines Logo
5:40 pm - 11:46 pmIAD-SFO
9h 06m1 stop
$276Alaska Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 14
Delta Logo
12:30 am - 1:33 pmSFO-IAD
10h 03m1 stop
Delta Logo
6:03 am - 11:17 amIAD-SFO
8h 14m1 stop
$277Delta
Find Deal
Fri, Nov 14 - Sun, Nov 16

Frontier flights from San Francisco to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on San Francisco to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Nov 8
SFO10:23 pmSan Francisco
15h 11m
1 stop
IAD4:34 pmWashington, D.C. Dulles Intl
Nov 17
IAD6:00 amWashington, D.C. Dulles Intl
37h 43m
2 stops
SFO4:43 pmSan Francisco
$258
Find similar
Frontier
Nov 8
SFO10:23 pmSan Francisco
15h 11m
1 stop
IAD4:34 pmWashington, D.C. Dulles Intl
Nov 15
IAD5:58 amWashington, D.C. Dulles Intl
13h 45m
2 stops
SFO4:43 pmSan Francisco
$259
Find similar
Frontier
Nov 3
SFO10:23 pmSan Francisco
18h 57m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Nov 11
IAD8:40 amWashington, D.C. Dulles Intl
40h 47m
2 stops
SFO10:27 pmSan Francisco
$266
Find similar

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

Our best American Airlines deals on San Francisco to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Nov 11
SFO11:59 pmSan Francisco
10h 36m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
Nov 15
IAD6:04 amWashington, D.C. Dulles Intl
10h 33m
1 stop
SFO1:37 pmSan Francisco
$262
Find similar
American Airlines
Dec 10
SFO11:15 pmSan Francisco
11h 05m
2 stops
IAD1:20 pmWashington, D.C. Dulles Intl
Dec 17
IAD2:16 pmWashington, D.C. Dulles Intl
10h 53m
1 stop
SFO10:09 pmSan Francisco
$264
Find similar
American Airlines
Nov 11
SFO11:18 pmSan Francisco
11h 17m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
Nov 15
IAD6:24 amWashington, D.C. Dulles Intl
12h 25m
2 stops
SFO3:49 pmSan Francisco
$267
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Washington, D.C. Dulles Intl 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 October 24, 2025.
Use the filters below to find and compare flights from San Francisco to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 11/12

7:00 am-5:13 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Tue 11/18

7:43 am-3:43 pm

1 stop11h 00m

$256

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 11/11

1:58 pm-12:54 am

1 stop7h 56m

Washington, D.C. Dulles Intl

Tue 11/18

6:59 pm-12:12 am

1 stop8h 13m

$257

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 11/8

10:23 pm-4:34 pm

1 stop15h 11m

Washington, D.C. Dulles Intl

Mon 11/17

6:00 am-4:43 pm

2 stops37h 43m

$258

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 11/8

10:23 pm-4:34 pm

1 stop15h 11m

Washington, D.C. Dulles Intl

Sat 11/15

5:58 am-4:43 pm

2 stops13h 45m

$259

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 11/11

11:59 pm-1:35 pm

2 stops10h 36m

Washington, D.C. Dulles Intl

Sat 11/15

6:04 am-1:37 pm

1 stop10h 33m

$262

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 12/10

11:15 pm-1:20 pm

2 stops11h 05m

Washington, D.C. Dulles Intl

Wed 12/17

2:16 pm-10:09 pm

1 stop10h 53m

$264

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 12/12

5:15 am-5:10 pm

1 stop8h 55m

Washington, D.C. Dulles Intl

Tue 12/16

4:40 pm-9:50 pm

1 stop8h 10m

$265

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 12/17

7:40 am-10:00 pm

2 stops11h 20m

Washington, D.C. Dulles Intl

Tue 12/30

6:05 pm-11:55 pm

1 stop8h 50m

$269

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 11/12

7:00 am-5:13 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Fri 11/14

5:40 pm-11:46 pm

1 stop9h 06m

$276

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 11/14

12:30 am-1:33 pm

1 stop10h 03m

Washington, D.C. Dulles Intl

Sun 11/16

6:03 am-11:17 am

1 stop8h 14m

$277

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. Dulles Intl 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. Dulles Intl Airport?

In general, July is the cheapest month to fly from San Francisco to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $397. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $407.

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

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $503. 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. Dulles Intl Airport for around $657.

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

Flying to Washington, D.C. Dulles Intl Airport from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $491 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $607 on average. Flights to Washington, D.C. Dulles Intl Airport from San Francisco at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $448 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San Francisco for as low as $377 on momondo.

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

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

You could potentially save up to 2% on your flight if you consider stops on a San Francisco to Washington, D.C. Dulles Intl Airport flight.

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

As of October 2025, prices for San Francisco to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport

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

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

Best Price Found

$207

Fastest flight time

4h 57m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from San Francisco in the past 72 hours is $207. The best round-trip flight deal from San Francisco to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $355.
The fastest flight from San Francisco to Washington, D.C. Dulles Intl Airport takes 4h 57m
Direct flights go from San Francisco to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

    The straight-line distance from San Francisco to Washington, D.C. Dulles Intl is 2410.3 mi. Flights usually cover this in 6h 49m, 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. Dulles Intl Airport?

    Prices for flights from San Francisco Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

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

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

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

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

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

Compare and see reviews for airlines that fly from San Francisco to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.8
3,128 reviews
Search Frontier flights
American AirlinesPriceFrom $172Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
7,983 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $251Free CancellationRating
7.8
2,789 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
11,161 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $277Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,237 reviews
Search Southwest flights

  • United Airlines Flights From San Francisco to Washington, D.C. Dulles Intl Airport

    United Airlines flight deals from San Francisco to Washington, D.C. Dulles Intl Airport start from $277 round-trip. Over the 32 United Airlines flights for this route in a normal week, average airfare is usually $496 round-trip - but some users have found much cheaper deals with momondo.

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
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Sterling

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?

All flight searches from San Francisco to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes momondo offers price alerts on flights to Washington, D.C. from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Dulles Intl 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
Sun 11/23
Sun 11/30
By creating a price alert you accept our terms of use and privacy policy.

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