Cheap Flights from Washington to San Francisco

Cheapest flights from Washington to San Francisco

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Washington to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$109

Frontier Airlines

1 transfer

19h 24m

12/09/2025

The cheapest one-way flight from Washington to San Francisco departs on 12/09/2025, is operated by Frontier Airlines and costs $109

Cheapest round trip flight

$140

Frontier Airlines

1 transfer

1d 3h 45m

01/14/2026

The cheapest roundtrip flight from Washington to San Francisco departs on 01/14/2026, is operated by Frontier Airlines and costs $140

The fastest flight

9h 24m

Fastest flight from Washington to San Francisco takes 9h 24m

Direct flights

No direct flights

There are no direct flights on this route.

Earliest flight

6:30 AM

Latest flight

10:05 PM

Average flight duration

5h 48m

Direct flights count

53

Distance

3918km

Timezone difference

3h

The distance between Washington and San Francisco is 3918km (2429 miles). The average flight duration is 5h 48m. There are 53 direct flights from Washington to San Francisco. The time difference between Washington and San Francisco is 3h. Flights from Washington begin at 6:30 AM. The latest flight from Washington departs at 10:05 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Washington to San Francisco by month

The cost of a one-way flight from Washington to San Francisco ranges from $76 (January 2026) to $117 (February 2026). On average, the ticket price is about $101–$226.

January 2026

Lowest price

on average:

$76

February 2026

Highest price

on average:

$117

Avg Price

Airlines operating on route

More than 4 airlines operate flights from Washington to San Francisco, including United Airlines, Frontier Airlines, American Airlines, and Air Canada. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $109, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

Starting at $238

Starting at $109

Starting at $191

Starting at $451

Direct Flights from Washington to San Francisco

A direct flight is the most convenient and comfortable way to fly from Washington to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.

Washington — San Francisco

WAS — SFO

12/09/2025

Departure

Direct flight

UA796

Starting at $578

Washington — San Francisco

WAS — SFO

12/21/2025

Departure

Direct flight

UA699

Starting at $414

Washington — San Francisco

WAS — SFO

02/09/2026

Departure

Direct flight

UA2862

Starting at $238

Washington — San Francisco

WAS — SFO

05/24/2026

Departure

Direct flight

UA369

Starting at $314

Washington — San Francisco

WAS — SFO

12/06/2025

Departure

Direct flight

UA699

Starting at $324

Washington — San Francisco

WAS — SFO

02/06/2026

Departure

Direct flight

UA699

Starting at $239

Washington — San Francisco

WAS — SFO

12/14/2025

Departure

Direct flight

UA1434

Starting at $454

Washington — San Francisco

WAS — SFO

12/15/2025

Departure

Direct flight

UA1702

Starting at $527

Schedule of direct flights from Washington to San Francisco

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Washington to San Francisco:

United Airlines

Every day

Starting at $400

Washington airports overview

Ronald Reagan National Airport

•

DCA

5km

Convenient for downtown Washington, D.C. and the National Mall, offering primarily domestic and short-haul flights with direct Metro access and quick transfers across the Potomac.

Washington Dulles International Airport

•

IAD

37km

•

San Francisco airports overview

San Francisco International Airport

•

SFO

18km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Washington to San Francisco?

The cheapest flight ticket from Washington to San Francisco according to data for the last 48 hours costs $109

When is the best time to buy air tickets on the route Washington — San Francisco?

Often the best time to buy tickets from Washington to San Francisco is 2 months before departure.

When is the cheapest time of year to fly from Washington to San Francisco?

Based on statistics over the past years, the lowest prices for flights from Washington to San Francisco can be found flying in these months: January, December, February.

How long does it take to fly from Washington to San Francisco?

The fastest flights from Washington to San Francisco start from 9 hours 24 minutes in the air.

Which airline can fly direct from Washington to San Francisco?

The following airlines operate direct flights on the route Washington — San Francisco: United Airlines

Special offers and sales on air tickets from Washington to San Francisco

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Washington to San Francisco

Alternative routes

Baltimore ➜ San Francisco•Charlottesville ➜ San Francisco•Hagerstown ➜ San Francisco•Lancaster ➜ San Francisco•Philadelphia ➜ San Francisco•Richmond ➜ San Francisco•Washington ➜ Concord•Washington ➜ Berkeley•Washington ➜ Modesto•Washington ➜ Sacramento•Washington ➜ Stockton•Washington ➜ San Jose•Washington ➜ Santa Rosa

•••••••••••••••••••

Cheapest one way flight

$109

Frontier Airlines

1 transfer

19h 24m

12/09/2025

The cheapest one-way flight from Washington to San Francisco departs on 12/09/2025, is operated by Frontier Airlines and costs $109

Cheapest round trip flight

$140

Frontier Airlines

1 transfer

1d 3h 45m

01/14/2026

The cheapest roundtrip flight from Washington to San Francisco departs on 01/14/2026, is operated by Frontier Airlines and costs $140

The fastest flight