United's Economy Plus offers extra legroom, enhancing comfort on domestic routes.
United's Polaris Lounges offer exclusive amenities like showers and daybeds for premium passengers.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $263 (Kiwi.com) |
One-way from | $139 (Delta) |
Popular in | December |
Cheapest in | July |
Average price | $611 |
Good round-trip deal | $493 or less |
Good one-way deal | $207 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 1/8
9:20 pm-5:32 am
Nonstop5h 12m
Washington, D.C. Dulles Intl
Wed 1/14
6:15 pm-9:35 pm
Nonstop6h 20m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Wed 1/28
11:18 am-7:35 pm
Nonstop5h 17m
Washington, D.C. Dulles Intl
Mon 2/2
7:45 pm-10:57 pm
Nonstop6h 12m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Wed 1/7
7:00 am-5:04 pm
1 stop7h 04m
Washington, D.C. Dulles Intl
Thu 1/8
5:26 pm-10:47 pm
1 stop8h 21m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Wed 2/18
5:30 am-9:55 pm
2 stops13h 25m
Washington, D.C. Dulles Intl
Wed 2/25
9:05 am-9:20 pm
2 stops15h 15m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 1/22
10:30 am-11:10 pm
1 stop9h 40m
Washington, D.C. Dulles Intl
Mon 1/26
7:30 am-1:43 pm
1 stop9h 13m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 1/29
10:30 am-11:10 pm
1 stop9h 40m
Washington, D.C. Dulles Intl
Mon 2/9
7:30 am-1:43 pm
1 stop9h 13m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 2/5
10:30 am-11:10 pm
1 stop9h 40m
Washington, D.C. Dulles Intl
Sun 2/8
7:30 am-2:40 pm
1 stop10h 10m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 1/15
10:35 am-11:10 pm
1 stop9h 35m
Washington, D.C. Dulles Intl
Sun 1/25
7:30 am-2:40 pm
1 stop10h 10m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 1/29
10:30 am-11:48 pm
2 stops10h 18m
Washington, D.C. Dulles Intl
Sun 2/1
7:30 am-2:40 pm
1 stop10h 10m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Mon 2/2
7:00 am-5:04 pm
1 stop7h 04m
Washington, D.C. Dulles Intl
Fri 2/6
5:26 pm-10:47 pm
1 stop8h 21m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, May is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of $118). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $277). 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.
When flying from San Francisco to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.
Travelers seeking maximum savings on their San Francisco to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Art,Dec 2025
SAN - OGG
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Art,Dec 2025
SAN - OGG
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Art,Dec 2025
SAN - OGG
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Art,Dec 2025
SAN - OGG
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Art,Dec 2025
SAN - OGG
Comfort
Food
Overall
Boarding
Entertainment
Crew
Reviews
Art,Dec 2025
SAN - OGG
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$377 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$251 | Average$401 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$255 | Average$398 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$271 | Average$481 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$386 | FlexibilityNo cancel fee | On-time63% |