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Cheap flights from San Francisco to Washington, D.C. from $153

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 10/2. 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 San Francisco to Washington, D.C.

Cheap round-trip flights

Frontier Logo
6:29 am - 11:39 pmSFO-IAD
14h 10m2 stops
Frontier Logo
1:55 pm - 9:21 pmIAD-SFO
10h 26m1 stop
$258Frontier
Find Deal
Thu, Oct 2 - Mon, Oct 6
Multiple Airlines Logo
5:28 pm - 8:20 pmSFO-IAD
23h 52m2 stops
Multiple Airlines Logo
5:58 am - 9:11 pmIAD-SFO
18h 13m1 stop
$260Multiple Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 15
Frontier Logo
4:55 pm - 9:09 amSFO-IAD
13h 14m1 stop
Frontier Logo
9:00 am - 2:24 pmIAD-SFO
32h 24m2 stops
$262Frontier
Find Deal
Sun, Oct 12 - Wed, Oct 22
American Airlines Logo
12:50 am - 1:48 pmSFO-IAD
9h 58m2 stops
American Airlines Logo
6:34 am - 2:37 pmIAD-SFO
11h 03m2 stops
$267American Airlines
Find Deal
Mon, Oct 20 - Sat, Oct 25
Alaska Airlines Logo
11:22 am - 12:23 amSFO-IAD
10h 01m1 stop
Alaska Airlines Logo
5:37 pm - 11:48 pmIAD-SFO
9h 11m1 stop
$276Alaska Airlines
Find Deal
Tue, Oct 21 - Fri, Dec 5
Delta Logo
1:45 pm - 12:40 amSFO-IAD
7h 55m1 stop
Delta Logo
7:35 am - 4:05 pmIAD-SFO
11h 30m1 stop
$277Delta
Find Deal
Sat, Oct 11 - Sat, Oct 18
United Airlines Logo
6:30 am - 2:44 pmSFO-IAD
5h 14mnonstop
United Airlines Logo
8:30 am - 11:09 amIAD-SFO
5h 39mnonstop
$279United Airlines
Find Deal
Thu, Oct 16 - Sat, Oct 18
American Airlines Logo
11:18 pm - 1:35 pmSFO-IAD
11h 17m2 stops
American Airlines Logo
6:24 am - 12:30 pmIAD-SFO
9h 06m1 stop
$282American Airlines
Find Deal
Mon, Nov 10 - Sat, Nov 15
Delta Logo
1:45 pm - 12:40 amSFO-IAD
7h 55m1 stop
Delta Logo
6:18 am - 10:53 amIAD-SFO
7h 35m1 stop
$287Delta
Find Deal
Mon, Oct 20 - Wed, Oct 22
Alaska Airlines Logo
7:00 am - 5:13 pmSFO-IAD
7h 13m1 stop
Alaska Airlines Logo
5:40 pm - 8:53 amIAD-SFO
18h 13m2 stops
$313Alaska Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 14

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

Our best Delta deals on San Francisco to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Oct 11
SFO1:45 pmSan Francisco
7h 55m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl
Oct 18
IAD7:35 amWashington, D.C. Dulles Intl
11h 30m
1 stop
SFO4:05 pmSan Francisco
$277
Find similar
Delta
Oct 20
SFO1:45 pmSan Francisco
7h 55m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl
Oct 22
IAD6:18 amWashington, D.C. Dulles Intl
7h 35m
1 stop
SFO10:53 amSan Francisco
$287
Find similar
Delta
Nov 7
SFO1:45 pmSan Francisco
7h 55m
1 stop
IAD12:40 amWashington, D.C. Dulles Intl
Nov 10
IAD6:03 amWashington, D.C. Dulles Intl
10h 26m
1 stop
SFO1:29 pmSan Francisco
$297
Find similar

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
Oct 2
SFO6:29 amSan Francisco
14h 10m
2 stops
IAD11:39 pmWashington, D.C. Dulles Intl
Oct 6
IAD1:55 pmWashington, D.C. Dulles Intl
10h 26m
1 stop
SFO9:21 pmSan Francisco
$258
Find similar
Frontier
Oct 12
SFO4:55 pmSan Francisco
13h 14m
1 stop
IAD9:09 amWashington, D.C. Dulles Intl
Oct 22
IAD9:00 amWashington, D.C. Dulles Intl
32h 24m
2 stops
SFO2:24 pmSan Francisco
$262
Find similar
Frontier
Sep 27
SFO11:00 pmSan Francisco
10h 55m
1 stop
IAD12:55 pmWashington, D.C. Dulles Intl
Oct 3
IAD1:55 pmWashington, D.C. Dulles Intl
10h 26m
1 stop
SFO9:21 pmSan Francisco
$263
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 September 16, 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

Thu 10/2

6:29 am-11:39 pm

2 stops14h 10m

Washington, D.C. Dulles Intl

Mon 10/6

1:55 pm-9:21 pm

1 stop10h 26m

$258

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 11/4

5:28 pm-8:20 pm

2 stops23h 52m

Washington, D.C. Dulles Intl

Sat 11/15

5:58 am-9:11 pm

1 stop18h 13m

$260

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sun 10/12

4:55 pm-9:09 am

1 stop13h 14m

Washington, D.C. Dulles Intl

Wed 10/22

9:00 am-2:24 pm

2 stops32h 24m

$262

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Mon 10/20

12:50 am-1:48 pm

2 stops9h 58m

Washington, D.C. Dulles Intl

Sat 10/25

6:34 am-2:37 pm

2 stops11h 03m

$267

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 10/21

11:22 am-12:23 am

1 stop10h 01m

Washington, D.C. Dulles Intl

Fri 12/5

5:37 pm-11:48 pm

1 stop9h 11m

$276

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 10/11

1:45 pm-12:40 am

1 stop7h 55m

Washington, D.C. Dulles Intl

Sat 10/18

7:35 am-4:05 pm

1 stop11h 30m

$277

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 10/16

6:30 am-2:44 pm

Nonstop5h 14m

Washington, D.C. Dulles Intl

Sat 10/18

8:30 am-11:09 am

Nonstop5h 39m

$279

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Mon 11/10

11:18 pm-1:35 pm

2 stops11h 17m

Washington, D.C. Dulles Intl

Sat 11/15

6:24 am-12:30 pm

1 stop9h 06m

$282

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Mon 10/20

1:45 pm-12:40 am

1 stop7h 55m

Washington, D.C. Dulles Intl

Wed 10/22

6:18 am-10:53 am

1 stop7h 35m

$287

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-8:53 am

2 stops18h 13m

$313

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. 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 Thursday 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 $511. 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 $490 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 $594 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 $457 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 $387 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.

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

As of September 2025, prices for San Francisco to Washington, D.C. Dulles Intl Airport flights are approximately 13% 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

$221

Fastest flight time

4h 53m

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 $221. 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 $378.
The fastest flight from San Francisco to Washington, D.C. Dulles Intl Airport takes 4h 53m
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 5h 14m, 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
3,174 reviews
Search Frontier flights
Sun Country AirPriceFrom $130Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $172Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $251Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $295Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,242 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 $295 round-trip. Over the 45 United Airlines flights for this route in a normal week, average airfare is usually $502 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
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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.

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