SFO - IAD

$195 Find Cheap Flights from San Francisco to Washington Dulles Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Dulles Intl departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$357
Typical prices: $299-$504
Frontier
Fri 10/2Sun 10/4
SFO - IAD • 1 stop
Cheapest non-stop
$452
Typical prices: $406-$577
United Airlines
Fri 9/25Sat 9/26
SFO - IAD • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
United Economy Plus adds up to 6 inches more legroom than standard economy.
Alaska Premium Class adds legroom; United Priority Boarding helps bin space.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with United Airlines. Average duration is 5h 19m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $292 (round-trip)
Shortest trip • 7h 26m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 22% price drop
Most popular
Good to know
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We hope you love your trip to Dulles Intl!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from San Francisco to Dulles Intl (SFO-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Dulles Intl

Fri, Oct 2 - Sun, Oct 4
Frontier Logo
11:58 pm - 11:33 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
8h 35m1 stop Dallas/Fort Worth
Frontier Logo
12:30 pm - 10:28 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
12h 58m1 stop Dallas/Fort Worth
$357Frontier
Thu, Sep 10 - Sun, Sep 13
Frontier Logo
11:58 pm - 11:33 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
8h 35m1 stop Dallas/Fort Worth
Frontier Logo
7:50 am - 9:27 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
16h 37m2 stops Atlanta Hartsfield-Jackson Los Angeles
$358Frontier
Mon, Sep 21 - Tue, Sep 22
Multiple Airlines Logo
3:41 pm - 5:40 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
10h 59m2 stops Los Angeles Seattle/Tacoma Intl
Multiple Airlines Logo
4:36 pm - 10:28 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
8h 52m1 stop Dallas/Fort Worth
$360Multiple Airlines
Fri, Oct 16 - Fri, Oct 30
Multiple Airlines Logo
11:59 pm - 11:34 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
8h 35m1 stop Dallas/Fort Worth
Multiple Airlines Logo
11:58 am - 5:07 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
8h 09m1 stop Minneapolis St Paul
$360Multiple Airlines
Thu, Oct 8 - Mon, Oct 12
American Airlines Logo
10:51 am - 9:16 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
7h 25m1 stop Charlotte Douglas
American Airlines Logo
6:00 am - 12:35 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
9h 35m1 stop Los Angeles
$369American Airlines
Wed, Sep 2 - Sat, Sep 5
American Airlines Logo
6:36 am - 6:27 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
8h 51m1 stop Dallas/Fort Worth
American Airlines Logo
2:53 pm - 10:18 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
10h 25m1 stop Dallas/Fort Worth
$369American Airlines
Wed, Nov 18 - Wed, Dec 2
Alaska Airlines Logo
7:04 am - 5:40 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
7h 36m1 stop San Diego
Alaska Airlines Logo
5:25 pm - 8:02 amIAD  Washington, D.C. Dulles Intl-SFO San Francisco
17h 37m1 stop San Diego
$429Alaska Airlines
Tue, Sep 22 - Tue, Sep 29
Alaska Airlines Logo
5:16 pm - 6:14 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
21h 58m1 stop San Diego
Alaska Airlines Logo
7:47 pm - 9:42 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
28h 55m1 stop San Diego
$429Alaska Airlines
Fri, Sep 25 - Sat, Sep 26
United Airlines Logo
10:40 pm - 7:01 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
5h 21mnonstop
United Airlines Logo
8:30 am - 11:22 amIAD  Washington, D.C. Dulles Intl-SFO San Francisco
5h 52mnonstop
$452United Airlines
Fri, Oct 2 - Sat, Oct 3
United Airlines Logo
9:30 pm - 5:46 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
5h 16mnonstop
United Airlines Logo
8:30 am - 11:22 amIAD  Washington, D.C. Dulles Intl-SFO San Francisco
5h 52mnonstop
$452United Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Dulles Intl flights

Get data-powered insights and trends into flights from San Francisco to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Francisco to Washington, D.C. Dulles Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Washington, D.C. Dulles Intl Airport departing in October.

Flight prices are below average for this route right now.

Flights to Washington, D.C. Dulles Intl Airport from San Francisco usually cost between $428 and $657 in October.
The lowest price found in the past 5 days was $357 on Frontier (Oct 2-Oct 4).

What’s the cheapest day of the week to fly from San Francisco to Washington Dulles Airport?

The average price of all round-trip flights from San Francisco to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from San Francisco to Washington Dulles Airport, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Washington Dulles Airport, Thursday is the cheapest day to fly and Monday is the most expensive.

What is the cheapest month to fly from San Francisco to Washington, D.C. Dulles Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Washington, D.C. Dulles Intl Airport is February, where tickets cost $386 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $589 and $550 respectively.

Can I save money by flying with a layover from San Francisco to Washington, D.C. Dulles Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $551, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Washington, D.C. Dulles Intl Airport, you should book around 4 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Expert advice

Expert advice for your flight from San Francisco to Dulles Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

January

Cheapest flight

$195
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from San Francisco to Washington Dulles Airport

When to book flights from San Francisco to Dulles Intl

Are your dates flexible? Find out the best times to travel from San Francisco to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Francisco to Washington Dulles Airport flights

  • Where can passengers sleep at San Francisco Airport?

    The international terminal has enlarged and pretty adequate seating that make it more restful for passengers. You can also choose to rest at the food court found in Terminal 3 and baggage reclaim hall found in Terminal 2.Other areas where you can sleep include Freshen Up adjacent to gates G1 to G14 located at the International Terminal. It’s open as early as 6 am to 11 pm and has additional amenities such as private rooms and showers. You can also use the VIP lounges which have more amenities and privacy but are closed in the night.

  • Is there any medical facility at the San Francisco Airport?

    The SFO medical clinic has experienced medical personnel who will attend to you. The clinic provides a wide range of services which include occupational health services, urgent care, travel medicine and immigration physicals. The average wait time is about 15min. Appointments are generally most preferred.

  • Are there any kid-friendly amenities at the IAD?

    The airport in collaboration with NASA came up with a fun and exhilarating play area situated at the Concourse B adjacent to gate B70 called travelling tots. The Funway is also another thrilling area that offers great play area, word searches, aviation-inspired crossword puzzles, restful seating and charging stations.

  • What means of transport is available from the IAD?

    You can opt for a taxi from the airport to the city. The Washington Flyer is the only taxi company allowed to pick up or drop off at the airport. Another option you can use is the Airport shuttle or private van service which offers transport to or from offices, conference centers, hotels or homes. The metro also offers a convenient and affordable connection between the airport and the Wiehle-Reston East Metrorail Station.

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

    In the last 5 days, the lowest price for a flight from San Francisco to Washington, D.C. Dulles Intl Airport was $195 for a one-way ticket and $357 for a round-trip.

  • Do I need a passport to fly between San Francisco and Washington Dulles Airport?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Washington Dulles Airport?

    Alaska Airlines, JetBlue, American Airlines, and Delta offer inflight Wi-Fi service on the San Francisco to Washington Dulles Airport flight route.

  • Which aircraft models fly most regularly from San Francisco to Washington Dulles Airport?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the San Francisco to Washington Dulles Airport flight route.

  • Which airline alliances offer flights from San Francisco to Washington Dulles Airport?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between San Francisco and Washington Dulles Airport, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from San Francisco to Washington Dulles Airport?

    There are nonstop flights from San Francisco to Washington Dulles Airport on a daily basis.

  • Which is the best airline for flights from San Francisco to Washington, D.C., Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from San Francisco to Washington, D.C. are Southwest and Alaska Airlines. With an average price for the route of $386 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $367 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from San Francisco to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Washington, D.C. Dulles Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $280 or less one-way and $469 or less round-trip.
  • Travelers who would want to fly from San Francisco airport (SFO) to Washington Dulles Airport (IAD) can use the BART trains from downtown to the airport. You can also use an Uber, taxi or a shuttle to access the airport. In case you prefer driving, a personal car will be convenient for you since you can leave the car safely at the airport.
  • San Francisco is a busy airport, being ranked seventh in the United States. It has about 18 lounges many of which are operated by other international carriers. Majority of the lounges are for passengers with access to premium cabin or those with elite status. Fortunately there are others that may accept a priority pass or offer a day pass. You can relax, enjoy and unwind in the calm Zen Corner at the Turkish Airlines Lounge Concourse B located inside security. You will also be able to savour the cuisine and relish beverages from the premium bar or drink stations.
  • In case you access the San Francisco airport using a private means, the airport offers parking spaces for safe storage as you fly out. The airport offers both long term and short term parking options with flexible payments based on the duration. You can also reserve a parking space online via the airport’s website. While the airport does not offer free parking, it has free airport parking cancellation policy.
  • If you are traveling with a passenger with a disability, the Washington Dulles airport offers several facilities and services for special passengers. The airport offers wheelchair service, wheelchair accessible toilets and bathrooms fit with infra-red flushing devices. The sinks are also effectively positioned for easy access. The airport also offers devices for the deaf and hard of hearing, elevators and airport shuttles with ramps or lifts for wheelchairs.
  • Nursing mothers have nothing to worry about as the Washington Dulles Airport has a total of 8 nursing rooms allocated for them. The rooms can be found at these areas; Post Security Gates A: next to gate A20, Gates B has a private bathroom included, Gates C next to gate C11 has a sink and Gates D next to gate D1. Other nursing locations include Pre-Security terminal and Arrivals level adjacent to baggage claim 14, 6, 2, and 11.

Prefer to fly direct from San Francisco to Washington Dulles Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to Washington, D.C. Dulles Intl.
Find which airlines fly direct from San Francisco Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Washington, D.C. Dulles Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. Dulles Intl to San Francisco

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Everything you need to know for your flight from San Francisco to Dulles Intl

Information on your arrival and departure airports