Find cheap flights from Washington Dulles Airport to San Francisco

IAD - SFO

Find cheap flights from Washington Dulles Airport to San Francisco

Round-trip
Economy
Washington (IAD)
San Francisco
Fri 10/2
Fri 10/9
Any month
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Good to know

Low season

January Best time to beat the crowds with an average 18% drop in price.

High season

December Most popular time to fly with an average 10% increase in price.

Average price of a round-trip

$425 (avg. price over the last 2 weeks)

Good deal for a round-trip

$410 or less

When to book flights from Washington Dulles Intl to San Francisco

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 $228 or less.
  • The cheapest flight from Washington Dulles Airport to San Francisco was found 70 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 10% cheaper 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 Washington Dulles Airport to San Francisco flights

Which airlines have a flexible cancellation policy for flights from Washington Dulles Intl to San Francisco due to COVID-19?

Are there San Francisco travel restrictions currently due to Coronavirus?

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

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

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

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

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

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

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

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

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

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

Top airline flying Washington Dulles Intl to San Francisco

Scores according to KAYAK customer reviews

7.9
Delta
Overall score based on 28,662 reviews
8.1
Boarding
7.8
Comfort
8.5
Crew
7.8
Entertainment
7.5
Food
Airline reviews
Read more about Delta

Book cheap flights from Washington Dulles Airport to San Francisco

Recent round-trip flight deals

11/24
Tue
1 stop
Multiple Airlines
7h 25m
IAD - SFO
12/1
Tue
1 stop
Multiple Airlines
9h 16m
SFO - IAD
10/21
Wed
1 stop
Delta
9h 50m
IAD - SFO
10/27
Tue
1 stop
Delta
6h 56m
SFO - IAD
11/3
Tue
1 stop
Multiple Airlines
7h 25m
IAD - SFO
11/6
Fri
1 stop
Multiple Airlines
7h 32m
SFO - IAD
10/28
Wed
1 stop
Multiple Airlines
13h 07m
IAD - SFO
11/3
Tue
1 stop
Multiple Airlines
7h 32m
SFO - IAD
10/22
Thu
1 stop
Delta
7h 27m
IAD - SFO
10/27
Tue
1 stop
Delta
6h 56m
SFO - IAD
11/21
Sat
1 stop
Multiple Airlines
8h 15m
IAD - SFO
11/21
Sat
1 stop
Multiple Airlines
7h 23m
SFO - IAD
10/20
Tue
1 stop
Delta
9h 50m
IAD - SFO
10/23
Fri
1 stop
Delta
6h 56m
SFO - IAD
10/29
Thu
1 stop
Multiple Airlines
7h 30m
IAD - SFO
11/2
Mon
1 stop
Multiple Airlines
7h 18m
SFO - IAD
10/22
Thu
1 stop
Delta
8h 30m
IAD - SFO
10/25
Sun
1 stop
Delta
9h 46m
SFO - IAD
10/14
Wed
1 stop
Multiple Airlines
7h 30m
IAD - SFO
10/20
Tue
1 stop
Multiple Airlines
7h 32m
SFO - IAD
11/3
Tue
2 stops
Delta
11h 04m
IAD - SFO
11/10
Tue
1 stop
Delta
10h 10m
SFO - IAD
10/23
Fri
1 stop
Multiple Airlines
7h 30m
IAD - SFO
10/27
Tue
1 stop
Multiple Airlines
8h 15m
SFO - IAD
10/23
Fri
1 stop
Delta
11h 29m
IAD - SFO
10/25
Sun
1 stop
Delta
9h 46m
SFO - IAD
10/20
Tue
1 stop
Multiple Airlines
7h 40m
IAD - SFO
10/22
Thu
1 stop
Multiple Airlines
9h 52m
SFO - IAD
11/11
Wed
2 stops
Delta
9h 56m
IAD - SFO
11/14
Sat
1 stop
Delta
6h 50m
SFO - IAD
10/28
Wed
1 stop
Multiple Airlines
7h 30m
IAD - SFO
11/5
Thu
1 stop
Multiple Airlines
7h 32m
SFO - IAD
11/2
Mon
2 stops
Delta
9h 42m
IAD - SFO
11/9
Mon
1 stop
Delta
8h 58m
SFO - IAD
12/5
Sat
2 stops
Multiple Airlines
51h 01m
IAD - SFO
12/10
Thu
2 stops
Multiple Airlines
24h 31m
SFO - IAD
12/1
Tue
1 stop
Delta
8h 56m
IAD - SFO
12/10
Thu
1 stop
Delta
7h 14m
SFO - IAD
12/15
Tue
1 stop
Multiple Airlines
7h 52m
IAD - SFO
12/21
Mon
1 stop
Multiple Airlines
7h 44m
SFO - IAD
Show more results

Recent one-way flight deals

10/21
Wed
1 stop
Delta
7h 39m
IAD - SFO
12/6
Sun
2 stops
Multiple Airlines
32h 30m
IAD - SFO
10/15
Thu
2 stops
Major Airline
10h 03m
IAD - SFO
11/5
Thu
1 stop
Delta
9h 30m
IAD - SFO
12/4
Fri
2 stops
Multiple Airlines
15h 08m
IAD - SFO
10/27
Tue
3 stops
Delta
18h 14m
IAD - SFO
11/1
Sun
1 stop
Delta
9h 30m
IAD - SFO
11/22
Sun
1 stop
Delta
8h 39m
IAD - SFO
10/9
Fri
1 stop
Multiple Airlines
10h 18m
IAD - SFO
11/20
Fri
1 stop
Delta
8h 39m
IAD - SFO
10/17
Sat
3 stops
Multiple Airlines
24h 58m
IAD - SFO
10/15
Thu
3 stops
Delta
19h 25m
IAD - SFO
10/31
Sat
1 stop
Delta
7h 57m
IAD - SFO
12/7
Mon
3 stops
Multiple Airlines
20h 55m
IAD - SFO
11/15
Sun
1 stop
Delta
7h 39m
IAD - SFO
11/13
Fri
3 stops
Multiple Airlines
18h 49m
IAD - SFO
10/6
Tue
2 stops
Delta
10h 07m
IAD - SFO
11/5
Thu
3 stops
Multiple Airlines
20h 54m
IAD - SFO
11/12
Thu
2 stops
Multiple Airlines
10h 40m
IAD - SFO
10/13
Tue
3 stops
Multiple Airlines
50h 10m
IAD - SFO
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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