United's Economy Plus offers extra legroom, perfect for comfort on longer domestic routes.
United's Polaris Lounges provide exclusive amenities like showers and dining for premium passengers.
Round-trip from | $278 (Kiwi.com) |
---|---|
One-way from | $154 (American Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $454 |
Good round-trip deal | $393 or less |
Good one-way deal | $218 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Thu 11/20
8:30 am-11:29 am
Nonstop5h 59m
San Francisco
Tue 12/16
6:07 am-2:13 pm
Nonstop5h 06m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 11/12
7:40 am-5:25 pm
2 stops12h 45m
San Francisco
Sat 11/15
10:10 am-10:15 pm
1 stop9h 05m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Fri 10/31
6:30 am-9:36 am
Nonstop6h 06m
San Francisco
Tue 11/4
10:45 pm-6:55 am
Nonstop5h 10m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 10/8
8:30 am-11:09 am
Nonstop5h 39m
San Francisco
Mon 10/13
11:56 pm-8:15 am
Nonstop5h 19m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 11/12
10:10 pm-1:15 am
Nonstop6h 05m
San Francisco
Sat 11/15
11:20 am-7:26 pm
Nonstop5h 06m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Mon 11/3
6:03 pm-9:05 pm
Nonstop6h 02m
San Francisco
Fri 11/7
4:51 pm-12:56 am
Nonstop5h 05m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Tue 10/21
8:30 am-11:09 am
Nonstop5h 39m
San Francisco
Sat 10/25
9:20 pm-5:36 am
Nonstop5h 16m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Tue 10/14
6:30 am-9:19 am
Nonstop5h 49m
San Francisco
Tue 10/28
11:20 pm-7:29 am
Nonstop5h 09m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 11/19
7:43 am-1:50 pm
1 stop9h 07m
San Francisco
Wed 11/26
9:26 pm-5:34 pm
1 stop17h 08m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Mon 10/27
5:52 pm-12:05 am
1 stop9h 13m
San Francisco
Thu 10/30
11:25 am-11:00 pm
1 stop8h 35m
Booking 40 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of $276). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in June is currently the most expensive (average of $357). 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 in the morning. Doing so could potentially save you 25% 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 Thursday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Crew
Food
Overall
Entertainment
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Food
Overall
Entertainment
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Food
Overall
Entertainment
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Food
Overall
Entertainment
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Food
Overall
Entertainment
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Crew
Food
Overall
Entertainment
Boarding
Reviews
Hannah,Aug 2025
SFO - SAN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$138 | Average$300 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$256 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$267 | Average$397 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$270 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$296 | Average$406 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$298 | Average$475 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$331 | Average$497 | FlexibilityNo cancel fee | On-time71% |