Cheap flights from San Francisco to Washington

One-way fares from $137 · SFO → WAS · prices found by travellers in the last 48 hours

Compare all dates Washington → San Francisco
Cheapest fare
$137

Alaska Airlines · Tue, Nov 10

Cheapest month
November

from $137

Direct flights
Yes

Alaska Airlines

Flight time
5h 13m

3,920 km

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Cheapest month to fly from San Francisco to Washington

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $137
  2. June 2027 $313

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Alaska Airlines
Depart09:46 Tue, Nov 10SFO → DCA 5h 13m · Direct
$137one way, per person
View deal
Alaska Airlines
Depart09:46 Mon, Nov 9SFO → DCA 5h 13m · Direct
$167one way, per person
View deal
Frontier Airlines
Depart21:11 Sun, Nov 22SFO → IAD 6h 01m · 1 stop
$200one way, per person
View deal
Alaska Airlines
Depart09:46 Fri, Nov 6SFO → DCA 5h 13m · Direct
$206one way, per person
View deal
Southwest Airlines
Depart19:05 Mon, Nov 16SJC → DCA 6h 40m · 2 stops
$219one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Washington

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in WashingtonCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in WashingtonTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in WashingtonPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in WashingtonCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from San Francisco to Washington

San Francisco (SFO) and Washington (WAS) are about 3,920 km apart. Direct flights take around 5h 13m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $137, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from San Francisco to Washington?

The cheapest one-way fare we've seen recently is $137 with Alaska Airlines, departing Tuesday, November 10, 2026. Over the coming months, the lowest fare in each month ranges from $137 to $313.

What is the cheapest month to fly from San Francisco to Washington?

November 2026 currently has the lowest fares, from $137 one way.

Are there direct flights from San Francisco to Washington?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from San Francisco to Washington?

A direct flight takes about 5h 13m. San Francisco and Washington are around 3,920 km apart.

Which airlines fly from San Francisco to Washington?

Recent fares on this route were with Alaska Airlines, American Airlines, Frontier Airlines and Southwest Airlines.

More cheap flights from San Francisco

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