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Cheap flights San Francisco — Washington

San Francisco (SFO, US) Washington (WAS, US)
from $144 3 919 km ~5h 7m 17 flights found 4 airlines cheapest on Tuesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $144 on 12.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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Th
Fr
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Su
December 2026
Mo
Tu
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Su
January 2027
Mo
Tu
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Prices found for 15 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
12 Dec 2026, Sat
American Airlines AA 1209
18:40
SFO San Francisco International Airport
01:04
DCA Ronald Reagan National Airport
6h 24m 1 stop
Farehutz
$144
View this ticket
15 Nov 2026, Sun
Alaska Airlines AS 8
20:46
SFO San Francisco International Airport
01:59
DCA Ronald Reagan National Airport
5h 13m Direct
Clickavia
$175
View this ticket
25 Nov 2026, Wed
Frontier Airlines F9 4156
08:11
SFO San Francisco International Airport
14:12
IAD Washington Dulles International Airport
6h 1m 1 stop
Tickets
$179
View this ticket
22 Nov 2026, Sun
Frontier Airlines F9 4310
08:23
SFO San Francisco International Airport
14:16
DCA Ronald Reagan National Airport
5h 53m 1 stop
Kiwi.com
$197
View this ticket
17 Nov 2026, Tue
Frontier Airlines F9 1160
05:04
SFO San Francisco International Airport
12:08
DCA Ronald Reagan National Airport
7h 4m 2 stops
Kiwi.com
$208
View this ticket
23 Nov 2026, Mon
Frontier Airlines F9 4402
06:11
SFO San Francisco International Airport
12:12
IAD Washington Dulles International Airport
6h 1m 1 stop
Farera
$227
View this ticket
Route characteristics
Distance
3 919 km
Flight time
5h 7m
Time difference
+3h
Minimum price
from $144 (12.12.2026)
Average price
$224
Maximum price
$416
Departures per week
1
Cheapest day
Tuesday
Departure airports (1)
SFO San Francisco International Airport
Arrival airports (2)
DCA Ronald Reagan National Airport IAD Washington Dulles International Airport
Airlines (4)
AS Alaska Airlines AA American Airlines F9 Frontier Airlines UA United Airlines
Agencies (7)
Clickavia Farehutz Tickets Kiwi.com Farera Lucky2Go Wowtickets
Prices by day of week
Monday
$227
avg $227
Tuesday
$208
avg $208
Cheapest
Wednesday
$179
avg $179
Saturday
$144
avg $144
Sunday
$175
avg $186
Price trend by month
November 2026
from $175
avg $197
5 flights
December 2026
from $144
avg $144
1 flights
Airlines — cheapest prices 4
Alaska Airlines
Alaska Airlines
5 flights · 5 days
$137
American Airlines
American Airlines
2 flights · 2 days
$144
Frontier Airlines
Frontier Airlines
Low-cost 5 flights · 5 days
$179
United Airlines
United Airlines
5 flights · 5 days
$262
Where to buy tickets 7
Clickavia
3 tickets · 3 days
from $137
Farehutz
1 tickets · 1 days
from $144
Tickets
3 tickets · 3 days
from $179
Kiwi.com
2 tickets · 2 days
from $197
Farera
4 tickets · 4 days
from $227
Lucky2Go
1 tickets · 1 days
from $231
Wowtickets
3 tickets · 3 days
from $316
Airports

From — San Francisco (1)

  • SFO San Francisco International Airport

To — Washington (2)

  • DCA Ronald Reagan National Airport
  • IAD Washington Dulles International Airport
Other destinations from San Francisco
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RU
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Amsterdam
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Anchorage
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Ankara
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Aspen
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Athens
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Frequently asked questions about the route San Francisco — Washington
How long is the flight from San Francisco to Washington?
Approximate flight time — 5h 7m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from San Francisco to Washington?
The straight-line distance — 3 919 km.
How much do flights from San Francisco to Washington cost?
The minimum price over 3 months — from $144 on 12.12.2026.
What is the average ticket price?
The average price — $224. Range: $144 — $416.
What is the time difference between San Francisco and Washington?
The difference — +3h.
From which airports does San Francisco operate flights?
From San Francisco: SFO (San Francisco International Airport).
To which airports in Washington do flights arrive?
To Washington: DCA (Ronald Reagan National Airport), IAD (Washington Dulles International Airport).
Which airlines fly this route?
This route is served by 4 airlines: Alaska Airlines, American Airlines, Frontier Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $175. Total direct flights found: 1.
Which day of the week is cheapest?
The cheapest day of the week — Tuesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route San Francisco — Washington

Flights San Francisco — Washington is a popular route. The straight-line distance is 3 919 km. Flight time 5h 7m. Time difference +3h.

From San Francisco (SFO) flights depart from 1 airport: SFO. To Washington (WAS) — 2 arrival airports: DCA, IAD.

4 airlines operate on this route: Alaska Airlines, American Airlines, Frontier Airlines, United Airlines.

The minimum price for the next 3 months — from $144 (12.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $224, ranging from $144 to $416. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Tuesday.

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