United's Economy Plus offers extra legroom and priority boarding, enhancing comfort and convenience.
United Polaris offers lie-flat seats and upscale amenities, perfect for premium transcontinental routes.
Round-trip from | $259 (CheapOair) |
---|---|
One-way from | $135 (Southwest) |
Popular in | December |
Cheapest in | September |
Average price | $389 |
Good round-trip deal | $357 or less |
Good one-way deal | $193 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoWashington, D.C.
SFO - DCA
SFODCA
San Francisco
Thu 11/13
12:43 am-11:29 am
1 stop7h 46m
Washington, D.C. Reagan-National
Sat 11/15
10:30 am-3:35 pm
1 stop8h 05m
San FranciscoWashington, D.C.
SFO - DCA
SFODCA
San Francisco
Tue 1/20
6:00 am-8:55 pm
1 stop11h 55m
Washington, D.C. Reagan-National
Thu 1/22
9:30 am-4:14 pm
1 stop9h 44m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Tue 10/28
7:00 am-5:13 pm
1 stop7h 13m
Washington, D.C. Dulles Intl
Thu 11/6
5:40 pm-11:46 pm
1 stop9h 06m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Wed 11/5
7:00 am-5:13 pm
1 stop7h 13m
Washington, D.C. Dulles Intl
Fri 11/14
5:40 pm-11:46 pm
1 stop9h 06m
San FranciscoWashington, D.C.
SFO - DCA
SFODCA
San Francisco
Fri 10/17
12:35 am-11:13 am
1 stop7h 38m
Washington, D.C. Reagan-National
Wed 10/22
6:19 am-10:33 am
1 stop7h 14m
San FranciscoWashington, D.C.
SFO - DCA
SFODCA
San Francisco
Tue 10/7
10:57 pm-8:42 am
1 stop6h 45m
Washington, D.C. Reagan-National
Tue 10/14
4:51 pm-11:14 pm
1 stop9h 23m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Mon 10/20
12:35 am-11:26 am
1 stop7h 51m
Washington, D.C. Dulles Intl
Sat 10/25
7:35 am-4:05 pm
1 stop11h 30m
San FranciscoWashington, D.C.
SFO - DCA
SFODCA
San Francisco
Fri 11/14
9:45 am-5:58 pm
Nonstop5h 13m
Washington, D.C. Reagan-National
Mon 11/17
6:58 pm-10:11 pm
Nonstop6h 13m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Sat 10/11
1:45 pm-12:40 am
1 stop7h 55m
Washington, D.C. Dulles Intl
Wed 10/15
5:52 pm-12:05 am
1 stop9h 13m
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Sat 10/4
6:15 am-6:39 pm
1 stop9h 24m
Washington, D.C. Dulles Intl
Sat 10/11
6:05 am-10:33 am
1 stop7h 28m
The price you pay for your flight from San Francisco to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. (average of $292). Flying from San Francisco to Washington, D.C. in April is currently the most expensive (average of $337). 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.
One of the essential ways to save on airfare from San Francisco to Washington, D.C. is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% on airfare.
Travelers seeking maximum savings on their San Francisco to Washington, D.C. 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.
The most flights from SFO to WAS are scheduled on a Thursday (40 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).
Denver (DEN) – chosen by Cheapflights users on 90% of 1-stop itineraries from San Francisco to Washington, D.C. on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $256.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 10h 24m.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 2h 38m.
Boarding
Overall
Entertainment
Food
Crew
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Boarding
Overall
Entertainment
Food
Crew
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Boarding
Overall
Entertainment
Food
Crew
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Boarding
Overall
Entertainment
Food
Crew
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Boarding
Overall
Entertainment
Food
Crew
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Boarding
Overall
Entertainment
Food
Crew
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
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Cheapest$90 | Average$177 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$128 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
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Cheapest$218 | Average$313 | FlexibilityNo cancel fee | On-time83% | |
Cheapest$237 | Average$416 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$237 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$237 | Average$295 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$241 | Average$420 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$288 | Average$459 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$295 | Average$507 | FlexibilityNo cancel fee | On-time69% |