SFO - IAD

$193 Find Cheap Flights from San Francisco to Washington Dulles Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$376
Typical prices: $379-$649
Frontier
Wed 9/19Fri 9/21
SFO - IAD • 1 stop
Cheapest non-stop
$417
Typical prices: $393-$660
United Airlines
Sun 10/14Sun 10/21
SFO - IAD • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 5h 14m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 56% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $292 (round-trip)
Shortest trip • 7h 37m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Sat, Sep 19 - Mon, Sep 21
Frontier Logo
7:11 pm - 6:20 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
8h 09m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:04 pm - 12:14 amIAD  Washington, D.C. Dulles Intl-SFO San Francisco
30h 10m2 stops Atlanta Hartsfield-Jackson Denver Intl
$376Frontier
Mon, Sep 21 - Wed, Sep 23
Frontier Logo
11:58 pm - 3:34 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
12h 36m1 stop Dallas/Fort Worth
Frontier Logo
4:36 pm - 8:14 amIAD  Washington, D.C. Dulles Intl-SFO San Francisco
18h 38m2 stops Dallas/Fort Worth Las Vegas Harry Reid Intl
$376Frontier
Wed, Nov 11 - Tue, Nov 17
American Airlines Logo
6:10 pm - 5:38 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
8h 28m1 stop Los Angeles
American Airlines Logo
6:00 am - 2:13 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
11h 13m1 stop Los Angeles
$377American Airlines
Mon, Oct 26 - Thu, Oct 29
American Airlines Logo
11:13 am - 11:23 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
9h 10m1 stop Dallas/Fort Worth
American Airlines Logo
6:15 am - 12:27 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
9h 12m1 stop Charlotte Douglas
$377American Airlines
Mon, Sep 28 - Tue, Oct 6
Multiple Airlines Logo
11:58 pm - 3:34 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
12h 36m1 stop Dallas/Fort Worth
Multiple Airlines Logo
7:02 am - 5:00 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
12h 58m2 stops Seattle/Tacoma Intl Los Angeles
$378Multiple Airlines
Thu, Sep 17 - Sat, Sep 26
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
6:00 am - 2:29 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
11h 29m1 stop Las Vegas Harry Reid Intl
$379Multiple Airlines
Tue, Nov 3 - Fri, Nov 6
Alaska Airlines Logo
10:05 am - 5:40 pmSFO  San Francisco-IAD Washington, D.C. Dulles Intl
28h 35m1 stop San Diego
Alaska Airlines Logo
6:46 pm - 8:52 amIAD  Washington, D.C. Dulles Intl-SFO San Francisco
17h 06m1 stop San Diego
$398Alaska Airlines
Wed, Nov 18 - Sun, Nov 22
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
6:39 pm - 8:52 amIAD  Washington, D.C. Dulles Intl-SFO San Francisco
17h 13m1 stop San Diego
$398Alaska Airlines
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
10:40 pm - 7:01 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
5h 21mnonstop
United Airlines Logo
6:37 pm - 9:26 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
5h 49mnonstop
$447United Airlines
Sun, Oct 11 - Tue, Oct 20
United Airlines Logo
4:51 pm - 1:06 amSFO  San Francisco-IAD Washington, D.C. Dulles Intl
5h 15mnonstop
United Airlines Logo
9:45 am - 12:29 pmIAD  Washington, D.C. Dulles Intl-SFO San Francisco
5h 44mnonstop
$447United Airlines
Booking Insights

Price, demand and travel trends for San Francisco to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Francisco to Washington, D.C. Dulles Intl Airport with more confidence.

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

Round-trip flights from San Francisco to Washington, D.C. Dulles Intl Airport start at $376. Prices are below average for this route right now, with typical round-trip fares ranging from $379 to $649. The lowest price found in the past 5 days was $376 on Frontier.

What's the cheapest day of the week to fly from San Francisco to Washington, D.C. Dulles Intl Airport?

Wednesday is the cheapest day of the week to fly from San Francisco to Washington, D.C. Dulles Intl Airport, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from San Francisco to Washington, D.C. Dulles Intl Airport at $386 round-trip.
  • June ($553) and July ($551) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 43% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Francisco to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from San Francisco to Washington, D.C. Dulles Intl Airport are cheapest 18 weeks before departure. Booking in this window typically costs about 56% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Francisco to Dulles Intl

 
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.

Key details for San Francisco to Washington, D.C. Dulles Intl Airport flights

Low season

February

Cheapest flight

$193
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from San Francisco to Washington, D.C. Dulles Intl 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

Your San Francisco to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

  • Which airlines offer extra legroom and free seat selection on San Francisco to Washington, D.C. Dulles Intl Airport flights?

    Among airlines operating San Francisco to Washington, D.C. Dulles Intl Airport flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from San Francisco to Washington, D.C. Dulles Intl Airport?

    Only United Airlines operates flights between San Francisco and Washington, D.C. Dulles Intl Airport.

  • Which airports can I use when flying from San Francisco to Washington, D.C. Dulles Intl Airport?

    Flights from San Francisco to Washington, D.C. Dulles Intl Airport usually depart from San Francisco (SFO) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airlines include bags at no extra cost on San Francisco to Washington, D.C. Dulles Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from San Francisco to Washington, D.C. Dulles Intl Airport?

    Three cabin classes are available on flights from San Francisco to Washington, D.C. Dulles Intl Airport:

    • Economy Class
    • Premium Economy Class
    • First Class

  • How much can I save by taking a layover when flying from San Francisco to Washington, D.C. Dulles Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $292 round-trip via New York John F Kennedy Intl (JFK), compared to $498 for nonstop.

  • What is the standard checked-bag allowance on flights from San Francisco to Washington, D.C. Dulles Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Francisco to Washington, D.C. Dulles Intl Airport?

    The Boeing 737 MAX 9 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-900 variants.

  • Which airports do connecting flights from San Francisco to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from San Francisco to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 38% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 26% of one-stop connections
    • Denver Intl (DEN) - 11% of one-stop connections
    • San Diego (SAN) - 6% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Francisco to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 30% on the San Francisco to Washington, D.C. Dulles Intl Airport route. Wednesday is the cheapest departure day at $438 round-trip on average, while Sunday is the most expensive at $620, a difference of $182. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from San Francisco to Washington, D.C. Dulles Intl Airport spread across the day?

    Morning is the busiest departure period on San Francisco to Washington, D.C. Dulles Intl Airport flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, night flights for 33%, and evening flights for 0%.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

  • What are the earliest and latest flights from San Francisco to Washington, D.C. Dulles Intl Airport?

    These are the earliest and latest flight times available from San Francisco to Washington, D.C. Dulles Intl Airport:

    • Earliest: departs at 6:15 am and lands at 11:29 am
    • Latest: departs at 11:20 pm and lands at 4:34 am.

    The flight takes about 5h 14m.

  • How expensive are last-minute San Francisco to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 80% above the route average of $485. Book 18 weeks before departure for the lowest fares.

  • How long is a flight from San Francisco to Washington, D.C. Dulles Intl Airport?

    A nonstop flight from San Francisco to Washington, D.C. Dulles Intl Airport takes 5h 14m, covering 2,412 miles.

  • Do I need a passport to fly from San Francisco to Washington, D.C. Dulles Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from San Francisco to Washington, D.C. Dulles Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $376 to $2,923. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from San Francisco to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from San Francisco to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $212, which is 32% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from San Francisco to Washington, D.C. Dulles Intl Airport?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 7h 37m, compared with 7h 44m via Austin Bergstrom (AUS) and 8h 03m via Denver Intl (DEN).

  • What is the time difference between San Francisco and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 3 hours ahead of San Francisco (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    · Dollar
    · Budget
    · Hertz
    · Sixt
    · Thrifty

  • How much should I expect to pay for a San Francisco to Washington, D.C. Dulles Intl Airport flight?

    Round-trip flights from San Francisco to Washington, D.C. Dulles Intl Airport range from $379 to $649, with an average of $485 over the past 12 months. Anything below $379 counts as a good deal.

  • Which airlines offer Wi-Fi on San Francisco to Washington, D.C. Dulles Intl Airport flights?

    JetBlue is the only airline on the San Francisco to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking San Francisco to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $438 - about $182 less than Sunday (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 56% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Washington, D.C. Dulles Intl Airport trip for January. Fares historically average $386 round-trip in that month - typically $167 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through New York John F Kennedy Intl Airport (JFK) can be cheaper than flying direct. The cheapest layover option averages $292 round-trip on this route - about $206 less than direct flights (based on the last 12 months).
  • 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?

 
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