Find Deals on Flights from San Francisco to Washington Dulles Intl (SFO - IAD)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from San Francisco to Washington Dulles Intl

(Round-trip)
Depart: Mon Aug 29 2016 Return: Tue Aug 30 2016 Trip spans 2 days
Depart: Tue Oct 4 2016 Return: Tue Oct 11 2016 Trip spans 8 days
Depart: Wed Oct 19 2016 Return: Wed Oct 26 2016 Trip spans 8 days
Depart: Tue Aug 16 2016 Return: Sun Aug 21 2016 Trip spans 6 days
Depart: Sat Sep 3 2016 Return: Sun Sep 4 2016 Trip spans 2 days
Depart: Wed Oct 12 2016 Return: Tue Oct 18 2016 Trip spans 7 days
Depart: Thu Sep 1 2016 Return: Tue Sep 6 2016 Trip spans 6 days
Depart: Wed Sep 7 2016 Return: Mon Sep 12 2016 Trip spans 6 days
Depart: Thu Nov 24 2016 Return: Wed Nov 30 2016 Trip spans 7 days
Depart: Tue Sep 27 2016 Return: Mon Oct 3 2016 Trip spans 7 days
Depart: Wed Oct 12 2016 Return: Mon Oct 17 2016 Trip spans 6 days
Depart: Thu Sep 22 2016 Return: Sat Oct 15 2016 Trip spans 24 days
Depart: Fri Aug 26 2016 Return: Wed Aug 31 2016 Trip spans 6 days
Depart: Thu Dec 8 2016 Return: Tue Dec 13 2016 Trip spans 6 days
Depart: Sat Sep 24 2016 Return: Sat Oct 8 2016 Trip spans 15 days
Depart: Tue Dec 13 2016 Return: Mon Dec 19 2016 Trip spans 7 days
Depart: Mon Oct 10 2016 Return: Fri Oct 14 2016 Trip spans 5 days
Depart: Sun Jul 31 2016 Return: Tue Aug 30 2016 Trip spans 31 days
Depart: Wed Nov 23 2016 Return: Mon Nov 28 2016 Trip spans 6 days
Depart: Wed Nov 9 2016 Return: Sun Nov 13 2016 Trip spans 5 days
Direct flights SFO to IAD on United
Flight # Depart SFO Arrive IAD Sun Mon Tue Wed Thu Fri Sat Valid Between
1476 7:00 am 3:15 pm Aug 15 - Aug 15
1476 7:20 am 3:36 pm Aug 13 - Aug 13
1476 7:20 am 3:36 pm Aug 11 - Aug 14
1476 7:20 am 3:36 pm Aug 3 - Aug 10
1476 7:20 am 3:36 pm Aug 4 - Aug 4
1476 7:20 am 3:36 pm Aug 1 - Aug 6
408 7:25 am 3:24 pm Aug 16 - Sep 4
400 9:10 am 5:25 pm Aug 16 - Aug 21
400 9:10 am 5:25 pm Aug 20 - Aug 20
400 9:10 am 5:25 pm Aug 25 - Aug 28
400 9:10 am 5:23 pm Aug 17 - Aug 31
400 9:10 am 5:23 pm Aug 27 - Aug 27
516 9:55 am 6:08 pm Aug 7 - Aug 14
516 9:56 am 6:10 pm Aug 20 - Aug 27
516 9:58 am 6:13 pm Jul 25 - Aug 3
516 9:58 am 6:13 pm Aug 8 - Aug 15
516 9:58 am 6:13 pm Aug 5 - Aug 12
516 9:59 am 6:12 pm Aug 6 - Aug 13
1762 10:18 am 6:33 pm Aug 4 - Aug 4
516 10:20 am 6:34 pm Aug 18 - Sep 2
516 10:20 am 6:34 pm Aug 22 - Aug 29
516 10:35 am 6:51 pm Aug 16 - Sep 6
516 10:35 am 6:51 pm Aug 17 - Aug 31
309 10:40 am 6:49 pm Aug 7 - Aug 7
309 10:45 am 7:01 pm Aug 21 - Aug 28
309 10:46 am 6:56 pm Aug 14 - Aug 14
309 10:50 am 7:04 pm Jul 29 - Aug 12
309 10:55 am 7:11 pm Aug 6 - Aug 13
309 11:00 am 7:14 pm Aug 9 - Aug 9
309 11:00 am 7:14 pm Aug 4 - Aug 11
309 11:00 am 7:16 pm Aug 22 - Aug 29
309 11:00 am 7:14 pm Aug 8 - Aug 15
309 11:00 am 7:16 pm Aug 20 - Aug 27
309 11:00 am 7:14 pm Jul 27 - Aug 3
309 11:00 am 7:14 pm Jul 25 - Aug 2
309 11:00 am 7:16 pm Aug 18 - Sep 1
309 11:20 am 7:36 pm Aug 23 - Sep 6
516 11:20 am 7:36 pm Aug 21 - Aug 28
309 11:25 am 7:39 pm Aug 16 - Aug 16
309 11:30 am 7:46 pm Aug 17 - Sep 2
727 12:50 pm 9:05 pm Aug 17 - Sep 2
727 12:50 pm 9:05 pm Aug 20 - Aug 27
727 12:55 pm 9:11 pm Aug 8 - Aug 15
727 12:55 pm 9:10 pm Aug 21 - Sep 4
727 12:55 pm 9:06 pm Aug 3 - Aug 3
727 12:55 pm 9:11 pm Aug 2 - Aug 2
727 12:55 pm 9:11 pm Aug 4 - Aug 6
727 12:55 pm 9:11 pm Aug 5 - Aug 11
727 12:55 pm 9:11 pm Aug 14 - Aug 14
727 12:55 pm 9:11 pm Aug 13 - Aug 13
727 12:57 pm 9:13 pm Aug 12 - Aug 12
727 12:58 pm 9:13 pm Aug 16 - Aug 16
727 1:48 pm 9:58 pm Aug 9 - Aug 9
517 4:24 pm 12:37 am Aug 3 - Aug 3
517 4:25 pm 12:38 am Aug 4 - Aug 12
517 4:25 pm 12:38 am Jul 31 - Aug 7
517 4:25 pm 12:38 am Jul 25 - Aug 2
517 4:25 pm 12:36 am Aug 6 - Aug 13
517 4:25 pm 12:38 am Aug 15 - Aug 15
517 4:26 pm 12:30 am Sep 2 - Sep 2
517 4:40 pm 12:44 am Aug 16 - Aug 18
517 4:40 pm 12:44 am Sep 1 - Sep 1
517 4:40 pm 12:44 am Aug 17 - Aug 24
517 4:40 pm 12:44 am Aug 25 - Aug 31
517 4:40 pm 12:44 am Aug 20 - Aug 28
1196 5:30 pm 1:33 am Aug 4 - Aug 4
1196 5:47 pm 1:50 am Aug 2 - Aug 9
1196 5:49 pm 1:45 am Aug 10 - Aug 10
1196 5:50 pm 1:53 am Aug 5 - Aug 12
1196 5:50 pm 1:53 am Aug 3 - Aug 3
1196 5:50 pm 1:51 am Aug 15 - Aug 15
1196 5:50 pm 1:50 am Aug 8 - Aug 8
1196 5:50 pm 1:53 am Aug 11 - Aug 11
1196 5:50 pm 1:51 am Aug 14 - Aug 14
1196 5:50 pm 1:51 am Jul 24 - Aug 7
1196 6:10 pm 2:14 am Aug 18 - Sep 5
1196 6:20 pm 2:24 am Aug 19 - Sep 2
418 9:30 pm 5:43 am Aug 6 - Aug 6
697 9:45 pm 5:49 am Aug 20 - Aug 20
697 9:45 pm 5:47 am Aug 27 - Aug 27
697 9:45 pm 5:49 am Aug 16 - Sep 2
418 9:50 pm 6:01 am Aug 11 - Aug 11
418 9:50 pm 6:01 am Aug 7 - Aug 14
418 9:50 pm 6:01 am Aug 9 - Aug 9
418 9:50 pm 6:03 am Aug 5 - Aug 5
418 9:50 pm 6:01 am Aug 3 - Aug 10
418 9:50 pm 6:01 am Aug 4 - Aug 4
418 9:50 pm 6:01 am Jul 27 - Aug 2
418 9:50 pm 6:01 am Jul 25 - Aug 8
418 9:50 pm 6:01 am Aug 13 - Aug 13
418 9:50 pm 6:03 am Aug 15 - Aug 15
418 9:50 pm 6:01 am Aug 12 - Aug 12
697 10:30 pm 6:43 am Aug 15 - Aug 15
697 10:45 pm 6:58 am Aug 5 - Aug 12
355 10:50 pm 7:03 am Aug 2 - Aug 8
355 10:50 pm 7:03 am Aug 10 - Aug 11
355 10:50 pm 7:03 am Aug 9 - Aug 9
355 11:00 pm 7:11 am Aug 6 - Aug 13
355 11:00 pm 7:13 am Aug 7 - Aug 14
355 11:05 pm 7:13 am Aug 16 - Aug 31
355 11:05 pm 7:13 am Sep 2 - Sep 2
355 11:07 pm 7:13 am Sep 1 - Sep 1
355 11:10 pm 7:18 am Aug 5 - Aug 12
1592 11:25 pm 7:35 am Aug 2 - Aug 3
1592 11:25 pm 7:35 am Aug 10 - Aug 11
1592 11:25 pm 7:30 am Aug 8 - Aug 8
1592 11:25 pm 7:35 am Aug 9 - Aug 15
1592 11:30 pm 7:35 am Aug 7 - Aug 14
1616 11:45 pm 7:53 am Aug 4 - Aug 4
1616 11:45 pm 7:53 am Aug 5 - Aug 12
* 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 email and someone from our team will get back to you promptly.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users 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.
Airports
Origin

San Francisco
$246
Destination

Washington
$246
Airlines Airline reviews

163 travelers who booked a flight from San Francisco to Washington rated their chosen airlines with an average of 7.9.

Overall
8.1
Boarding
8.3
Crew
8.5
Comfort
7.9
Food
6.7
Entertainment
7.5