
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Expedia) |
One-way from | $155 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $445 |
Good round-trip deal | $472 or less |
Good one-way deal | $283 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sat 9/12
6:30 am-9:18 am
Nonstop5h 48m
San Francisco
Sat 9/19
1:10 pm-9:27 pm
Nonstop5h 17m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sat 5/9
5:55 pm-8:49 pm
Nonstop5h 54m
San Francisco
Sat 5/16
4:55 pm-1:24 am
Nonstop5h 29m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Mon 6/22
8:21 pm-11:15 pm
Nonstop5h 54m
San Francisco
Sun 7/5
10:35 pm-6:58 am
Nonstop5h 23m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Fri 7/3
6:30 am-9:12 am
Nonstop5h 42m
San Francisco
Tue 7/7
10:50 am-7:11 pm
Nonstop5h 21m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Mon 7/20
6:30 am-9:12 am
Nonstop5h 42m
San Francisco
Sat 7/25
9:30 pm-5:53 am
Nonstop5h 23m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 5/13
6:00 am-7:20 pm
2 stops16h 20m
San Francisco
Tue 5/19
6:16 am-5:42 pm
1 stop8h 26m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Fri 6/5
6:00 am-10:24 am
1 stop7h 24m
San Francisco
Sun 6/7
12:48 am-10:52 am
1 stop7h 04m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Fri 8/28
7:22 pm-8:46 am
1 stop16h 24m
San Francisco
Sun 8/30
7:05 am-6:14 pm
1 stop8h 09m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Tue 7/14
3:02 pm-8:05 pm
1 stop8h 03m
San Francisco
Sun 7/26
11:56 pm-10:15 am
1 stop7h 19m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Mon 5/11
5:55 am-1:25 pm
2 stops10h 30m
San Francisco
Wed 5/13
10:30 am-11:40 pm
2 stops10h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of $376). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in March is currently the most expensive (average of $557). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Francisco at noon. Doing so could potentially save you 36% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to San Francisco flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 17% of weekly flights between Washington, D.C. and San Francisco have experienced delays in the past year, with the average delay time being 197 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
Overall
Crew
Comfort
Food
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Overall
Crew
Comfort
Food
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Overall
Crew
Comfort
Food
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Overall
Crew
Comfort
Food
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Overall
Crew
Comfort
Food
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
Overall
Crew
Comfort
Food
Boarding
Entertainment
Reviews
robert,Feb 2026
LAS - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$300 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$397 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$247 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$262 | Average$456 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$272 | Average$497 | FlexibilityNo cancel fee | On-time71% |