Find cheap flights from San Francisco to Washington Dulles Airport

SFO - IAD

Find cheap flights from San Francisco to Washington Dulles Airport

Round-trip
Economy
San Francisco (SFO)
Washington Dulles Intl
Fri 7/10
Fri 7/17
Any month
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Good to know

Low season

January Best time to beat the crowds with an average 17% drop in price.

High season

December Most popular time to fly with an average 18% increase in price.

Average price of a round-trip

$430 (avg. price over the last 2 weeks)

Good deal for a round-trip

$402 or less

When to book flights from San Francisco to Washington Dulles Intl

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $233 or less.
  • The cheapest flight from San Francisco to Washington Dulles Airport was found 31 days before departure, on average.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is January.
  • Morning departure is around 13% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking San Francisco to Washington Dulles Airport flights

Are flight prices cheaper from San Francisco to Washington Dulles Airport because of Coronavirus (COVID-19)?

How long does a flight from San Francisco to Washington Dulles Airport take?

How many flights are there between San Francisco and Washington Dulles Airport?

Which airlines provide the cheapest flights from San Francisco to Washington Dulles Airport?

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

Which airlines fly most frequently between San Francisco and Washington Dulles Airport?

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

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top airlines flying San Francisco to Washington Dulles Intl

Scores according to KAYAK customer reviews

8.0
Delta
Overall score based on 28,441 reviews
8.2
Boarding
7.8
Comfort
8.5
Crew
7.8
Entertainment
7.5
Food
Airline reviews
Read more about Delta

Book cheap flights from San Francisco to Washington Dulles Airport (round-trip)

Airports
Origin
San Francisco
$260
only
$260
Destination
Washington
$260
only
$260
Wed, Jul 15
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 20m
Sat, Aug 8
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 45m
Trip: 25 days
Based on null reviews
Wed, Jul 29
SFO
San Francisco Airport
IAD
Washington Dulles Airport
10h 06m
Tue, Aug 18
IAD
Washington Dulles Airport
SFO
San Francisco Airport
7h 21m
Trip: 21 days
Based on null reviews
Tue, Jul 14
SFO
San Francisco Airport
IAD
Washington Dulles Airport
13h 50m
Wed, Jul 15
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 54m
Trip: 2 days
Based on null reviews
Wed, Aug 26
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 23m
Mon, Aug 31
IAD
Washington Dulles Airport
SFO
San Francisco Airport
7h 55m
Trip: 6 days
Based on null reviews
Sat, Jul 25
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 27m
Sat, Aug 15
IAD
Washington Dulles Airport
SFO
San Francisco Airport
7h 37m
Trip: 22 days
Based on null reviews
Wed, Aug 26
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 07m
Fri, Aug 28
IAD
Washington Dulles Airport
SFO
San Francisco Airport
7h 55m
Trip: 3 days
Based on null reviews
Wed, Jul 15
SFO
San Francisco Airport
IAD
Washington Dulles Airport
5h 15m
Thu, Jul 23
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 40m
Trip: 9 days
Based on null reviews
Sat, Jul 25
SFO
San Francisco Airport
IAD
Washington Dulles Airport
11h 06m
Sat, Aug 29
IAD
Washington Dulles Airport
SFO
San Francisco Airport
9h 15m
Trip: 36 days
Based on null reviews
Wed, Jul 15
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 20m
Sat, Jul 18
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 54m
Trip: 4 days
Based on null reviews
Thu, Aug 20
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 06m
Sun, Aug 23
IAD
Washington Dulles Airport
SFO
San Francisco Airport
8h 02m
Trip: 4 days
Based on null reviews
Wed, Jul 29
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 09m
Mon, Aug 31
IAD
Washington Dulles Airport
SFO
San Francisco Airport
6h 01m
Trip: 34 days
Based on null reviews
Sat, Aug 1
SFO
San Francisco Airport
IAD
Washington Dulles Airport
5h 14m
Thu, Sep 3
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 52m
Trip: 34 days
Based on null reviews
Sat, Jul 18
SFO
San Francisco Airport
IAD
Washington Dulles Airport
10h 06m
Thu, Jul 30
IAD
Washington Dulles Airport
SFO
San Francisco Airport
9h 41m
Trip: 13 days
Based on null reviews
Thu, Aug 6
SFO
San Francisco Airport
IAD
Washington Dulles Airport
8h 30m
Sun, Aug 9
IAD
Washington Dulles Airport
SFO
San Francisco Airport
9h 54m
Trip: 4 days
Based on null reviews
Sat, Jul 4
SFO
San Francisco Airport
IAD
Washington Dulles Airport
5h 01m
Wed, Jul 8
IAD
Washington Dulles Airport
SFO
San Francisco Airport
10h 37m
Trip: 5 days
Based on null reviews
Tue, Aug 25
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 32m
Sat, Aug 29
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 52m
Trip: 5 days
Based on null reviews
Wed, Aug 26
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 32m
Fri, Aug 28
IAD
Washington Dulles Airport
SFO
San Francisco Airport
7h 57m
Trip: 3 days
Based on null reviews
Sat, Aug 1
SFO
San Francisco Airport
IAD
Washington Dulles Airport
5h 14m
Wed, Aug 12
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 45m
Trip: 12 days
Based on null reviews
Fri, Jul 3
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 43m
Wed, Jul 15
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 40m
Trip: 13 days
Based on null reviews
Mon, Jul 13
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 15m
Sun, Jul 19
IAD
Washington Dulles Airport
SFO
San Francisco Airport
5h 40m
Trip: 7 days
Based on null reviews
Show more results

Book cheap flights from San Francisco to Washington Dulles Airport (one-way)

Airports
Origin
San Francisco
$133
only
$133
Destination
Washington
$133
only
$133
Tue, Jul 14
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 15m
Based on null reviews
Tue, Aug 11
SFO
San Francisco Airport
IAD
Washington Dulles Airport
13h 01m
Based on null reviews
Mon, Jul 13
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 15m
Based on null reviews
Wed, Jun 24
SFO
San Francisco Airport
IAD
Washington Dulles Airport
12h 24m
Based on null reviews
Sun, Aug 2
SFO
San Francisco Airport
IAD
Washington Dulles Airport
9h 07m
Based on null reviews
Tue, Jul 7
SFO
San Francisco Airport
IAD
Washington Dulles Airport
11h 06m
Based on null reviews
Wed, Jul 22
SFO
San Francisco Airport
IAD
Washington Dulles Airport
20h 19m
Based on null reviews
Tue, Jul 21
SFO
San Francisco Airport
IAD
Washington Dulles Airport
8h 59m
Based on null reviews
Tue, Jul 7
SFO
San Francisco Airport
IAD
Washington Dulles Airport
11h 06m
Based on null reviews
Tue, Jun 23
SFO
San Francisco Airport
IAD
Washington Dulles Airport
22h 11m
Based on null reviews
Thu, Sep 10
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 15m
Based on null reviews
Thu, Jul 16
SFO
San Francisco Airport
IAD
Washington Dulles Airport
8h 59m
Based on null reviews
Tue, Jul 7
SFO
San Francisco Airport
IAD
Washington Dulles Airport
11h 06m
Based on null reviews
Fri, Jul 10
SFO
San Francisco Airport
IAD
Washington Dulles Airport
8h 59m
Based on null reviews
Wed, Jul 8
SFO
San Francisco Airport
IAD
Washington Dulles Airport
10h 06m
Based on null reviews
Wed, Jun 24
SFO
San Francisco Airport
IAD
Washington Dulles Airport
7h 43m
Based on null reviews
Tue, Jul 7
SFO
San Francisco Airport
IAD
Washington Dulles Airport
11h 36m
Based on null reviews
Sun, Jul 19
SFO
San Francisco Airport
IAD
Washington Dulles Airport
11h 06m
Based on null reviews
Sat, Jul 18
SFO
San Francisco Airport
IAD
Washington Dulles Airport
11h 06m
Based on null reviews
Mon, Jul 13
SFO
San Francisco Airport
IAD
Washington Dulles Airport
53h 19m
Based on null reviews
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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