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.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (Delta) |
One-way from | $140 (Frontier) |
Popular in | December |
Cheapest in | February |
Average price | $502 |
Good round-trip deal | $399 or less |
Good one-way deal | $198 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sat 4/26
6:00 am-10:45 am
1 stop7h 45m
San Francisco
Fri 5/2
12:47 am-11:09 am
1 stop7h 22m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Fri 5/9
8:01 am-2:54 pm
1 stop9h 53m
San Francisco
Mon 5/12
11:50 pm-10:27 am
1 stop7h 37m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sat 5/17
5:14 pm-11:53 pm
1 stop9h 39m
San Francisco
Mon 5/19
11:50 pm-10:27 am
1 stop7h 37m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sat 5/24
7:15 am-9:47 am
Nonstop5h 32m
San Francisco
Sat 5/24
9:54 pm-4:14 pm
1 stop15h 20m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Thu 4/24
5:35 pm-11:50 pm
1 stop9h 15m
San Francisco
Wed 4/30
5:40 am-5:55 pm
2 stops9h 15m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Fri 5/23
12:49 pm-10:58 pm
1 stop13h 09m
San Francisco
Sat 5/24
6:09 pm-11:47 am
1 stop14h 38m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Sun 5/25
5:14 pm-11:53 pm
1 stop9h 39m
San Francisco
Tue 5/27
7:49 pm-7:36 am
1 stop8h 47m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 5/21
3:55 pm-9:05 pm
1 stop8h 10m
San Francisco
Thu 5/22
9:00 pm-5:08 am
Nonstop5h 08m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Wed 4/9
6:18 am-11:25 am
1 stop8h 07m
San Francisco
Mon 4/14
12:21 am-1:42 pm
1 stop10h 21m
Washington, D.C.San Francisco
IAD - SFO
IADSFO
Washington, D.C. Dulles Intl
Fri 5/9
8:01 am-2:54 pm
1 stop9h 53m
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 Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars |
Booking 80 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 $398). 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 evening. Doing so could potentially save you 27% 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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from IAD to SFO are scheduled on a Monday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Merlyn,Feb 2025
LAX - SMF
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Merlyn,Feb 2025
LAX - SMF
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Merlyn,Feb 2025
LAX - SMF
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Merlyn,Feb 2025
LAX - SMF
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Merlyn,Feb 2025
LAX - SMF
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Merlyn,Feb 2025
LAX - SMF
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$86 | Average$229 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$120 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$158 | Average$370 | FlexibilityNo cancel fee | On-time83% | |
Cheapest$256 | Average$439 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$256 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$277 | Average$347 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$299 | Average$513 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$341 | Average$466 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$377 | Average$462 | FlexibilityNo cancel fee | On-time71% |