
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $253 (Trip.com) |
One-way from | $129 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $484 |
Good round-trip deal | $397 or less |
Good one-way deal | $216 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Tue 3/31
12:14 pm-7:07 pm
1 stop9h 53m
San Francisco
Tue 5/5
10:32 am-11:55 pm
1 stop10h 23m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Tue 3/31
10:10 pm-1:17 am
Nonstop6h 07m
San Francisco
Thu 4/9
1:55 pm-10:18 pm
Nonstop5h 23m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Mon 4/20
6:37 pm-11:54 pm
1 stop8h 17m
San Francisco
Fri 4/24
10:32 am-11:55 pm
1 stop10h 23m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Thu 7/16
5:25 pm-12:15 am
1 stop9h 50m
San Francisco
Mon 7/20
9:30 pm-9:10 am
1 stop8h 40m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sat 5/16
12:45 pm-8:41 pm
1 stop10h 56m
San Francisco
Mon 5/18
11:59 pm-10:22 am
1 stop7h 23m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Tue 3/31
5:50 am-10:20 am
1 stop7h 30m
San Francisco
Tue 4/7
10:30 am-11:40 pm
2 stops10h 10m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sat 5/16
6:40 pm-9:49 pm
Nonstop6h 09m
San Francisco
Mon 5/18
4:55 pm-1:24 am
Nonstop5h 29m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Thu 8/6
3:40 pm-10:50 pm
1 stop10h 10m
San Francisco
Sat 8/15
5:00 am-10:25 pm
2 stops14h 25m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Mon 7/6
7:48 pm-9:52 am
1 stop17h 04m
San Francisco
Tue 7/14
6:00 am-6:48 pm
1 stop9h 48m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 7/1
5:30 am-2:15 pm
2 stops11h 45m
San Francisco
Sun 7/5
5:45 am-5:35 pm
1 stop8h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 72 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of $188). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in June is currently the most expensive (average of $273). 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 37% 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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 16% of weekly flights between Washington, D.C. and San Francisco have experienced delays in the past year, with the average delay time being 187 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.
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
robert,Feb 2026
LAS - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$299 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$148 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$396 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$258 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$270 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$336 | Average$497 | FlexibilityNo cancel fee | On-time71% |