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Cheap flights from San Francisco to Washington from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Washington departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:34 am - 7:05 pm
SFO
-
SEA
9h 31m
1 stop
Frontier Logo
11:21 am - 7:36 pm
SEA
-
SFO
8h 15m
1 stop
$146Frontier
Thu, May 28 - Tue, Jun 2
Alaska Airlines Logo
6:00 am - 8:11 am
SFO
-
SEA
2h 11mnonstop
Alaska Airlines Logo
12:02 pm - 2:27 pm
SEA
-
SFO
2h 25mnonstop
$152Alaska Airlines
Tue, Sep 15 - Tue, Sep 15
Delta Logo
5:55 am - 8:15 am
SFO
-
SEA
2h 20mnonstop
Delta Logo
2:45 pm - 4:57 pm
SEA
-
SFO
2h 12mnonstop
$157Delta
Tue, Jun 2 - Tue, Jun 2
Alaska Airlines Logo
7:35 pm - 9:45 pm
SFO
-
PAE
2h 10mnonstop
Alaska Airlines Logo
4:45 pm - 6:53 pm
PAE
-
SFO
2h 08mnonstop
$157Alaska Airlines
Tue, Jun 2 - Wed, Jun 3
Frontier Logo
9:34 am - 7:05 pm
SFO
-
SEA
9h 31m
1 stop
Frontier Logo
11:03 am - 7:35 pm
SEA
-
SFO
8h 32m
1 stop
$165Frontier
Sat, May 23 - Wed, Jun 10
Southwest Logo
11:25 am - 7:15 pm
SFO
-
PDX
7h 50m
2 stops
Southwest Logo
8:45 am - 4:40 pm
PDX
-
SFO
7h 55m
2 stops
$167Southwest
Tue, Jun 2 - Tue, Jun 9
Delta Logo
10:29 am - 2:46 pm
SFO
-
PDX
4h 17m
1 stop
Delta Logo
5:30 am - 9:34 am
PDX
-
SFO
4h 04m
1 stop
$177Delta
Tue, Jun 2 - Thu, Jun 4
Southwest Logo
11:40 am - 6:20 pm
SFO
-
SEA
6h 40m
1 stop
Southwest Logo
4:35 pm - 11:15 pm
SEA
-
SFO
6h 40m
1 stop
$177Southwest
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
9:15 am - 11:27 am
SFO
-
PSC
2h 12mnonstop
United Airlines Logo
7:00 am - 9:06 am
PSC
-
SFO
2h 06mnonstop
$269United Airlines
Thu, Jun 18 - Sun, Jun 21
American Airlines Logo
1:29 pm - 11:59 pm
SFO
-
EAT
10h 30m
2 stops
American Airlines Logo
3:11 pm - 11:14 pm
EAT
-
SFO
8h 03m
2 stops
$544American Airlines
Fri, Sep 25 - Mon, Sep 28

Frontier flights from San Francisco to State of Washington

Our best Frontier deals on San Francisco to State of Washington flight tickets
Frontier
May 28
SFO9:34 amSan Francisco
9h 31m
1 stop
SEA7:05 pmSeattle/Tacoma Intl
Jun 2
SEA11:21 amSeattle/Tacoma Intl
8h 15m
1 stop
SFO7:36 pmSan Francisco
$146
Frontier
May 23
SFO9:34 amSan Francisco
9h 31m
1 stop
SEA7:05 pmSeattle/Tacoma Intl
Jun 10
SEA11:03 amSeattle/Tacoma Intl
8h 32m
1 stop
SFO7:35 pmSan Francisco
$165
Frontier
May 23
SFO9:34 amSan Francisco
9h 31m
1 stop
SEA7:05 pmSeattle/Tacoma Intl
May 30
SEA11:21 amSeattle/Tacoma Intl
9h 43m
1 stop
SFO9:04 pmSan Francisco
$168

Alaska Airlines flights from San Francisco to State of Washington

Our best Alaska Airlines deals on San Francisco to State of Washington flight tickets
Alaska Airlines
Sep 15
SFO6:00 amSan Francisco
2h 11m
SEA8:11 amSeattle/Tacoma Intl
Sep 15
SEA12:02 pmSeattle/Tacoma Intl
2h 25m
SFO2:27 pmSan Francisco
$152
Alaska Airlines
Jun 2
SFO7:35 pmSan Francisco
2h 10m
PAE9:45 pmEverett Paine Field
Jun 3
PAE4:45 pmEverett Paine Field
2h 08m
SFO6:53 pmSan Francisco
$157
Alaska Airlines
Jun 3
SFO7:40 amSan Francisco
1h 49m
PDX9:29 amPortland
Jun 3
PDX2:51 pmPortland
1h 57m
SFO4:48 pmSan Francisco
$172

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 4, 2026.
Use the filters below to find and compare flights from San Francisco to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 5/28

9:34 am-7:05 pm

1 stop9h 31m

Seattle/Tacoma Intl

Tue 6/2

11:21 am-7:36 pm

1 stop8h 15m

$146

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 9/15

6:00 am-8:11 am

Nonstop2h 11m

Seattle/Tacoma Intl

Tue 9/15

12:02 pm-2:27 pm

Nonstop2h 25m

$152

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 6/2

5:55 am-8:15 am

Nonstop2h 20m

Seattle/Tacoma Intl

Tue 6/2

2:45 pm-4:57 pm

Nonstop2h 12m

$157
Quickest round-trip

San FranciscoEverett

SFO - PAE

SFOPAE

San Francisco

Tue 6/2

7:35 pm-9:45 pm

Nonstop2h 10m

Everett Paine Field

Wed 6/3

4:45 pm-6:53 pm

Nonstop2h 08m

$157

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 5/23

9:34 am-7:05 pm

1 stop9h 31m

Seattle/Tacoma Intl

Wed 6/10

11:03 am-7:35 pm

1 stop8h 32m

$165

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Tue 6/2

11:25 am-7:15 pm

2 stops7h 50m

Portland

Tue 6/9

8:45 am-4:40 pm

2 stops7h 55m

$167

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Tue 6/2

10:29 am-2:46 pm

1 stop4h 17m

Portland

Thu 6/4

5:30 am-9:34 am

1 stop4h 04m

$177

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 6/17

11:40 am-6:20 pm

1 stop6h 40m

Seattle/Tacoma Intl

Wed 6/24

4:35 pm-11:15 pm

1 stop6h 40m

$177

San FranciscoPasco

SFO - PSC

SFOPSC

San Francisco

Thu 6/18

9:15 am-11:27 am

Nonstop2h 12m

Pasco Tri Cities

Sun 6/21

7:00 am-9:06 am

Nonstop2h 06m

$269

San FranciscoWenatchee

SFO - EAT

SFOEAT

San Francisco

Fri 9/25

1:29 pm-11:59 pm

2 stops10h 30m

Wenatchee Pangborn Field

Mon 9/28

3:11 pm-11:14 pm

2 stops8h 03m

$544

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from San Francisco to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of May is, on average, the cheapest month to fly to State of Washington from San Francisco, with most prices found around $210. If you aren’t able to travel to State of Washington during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $237.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from San Francisco to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $331. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to State of Washington for around $452.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $326. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $378 on average. Flights to State of Washington from San Francisco at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Francisco to Washington flight route?

Fly from San Francisco to Seattle/Tacoma Intl for the best San Francisco - Washington flight prices

How far in advance should I book a flight from San Francisco to Washington?

You are more likely to see cheaper flights to State of Washington from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $270 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from San Francisco for as low as $191 on momondo.

Cheap San Francisco to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to State of Washington

Best Price Found

$148

Fastest flight time

1h 42m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from San Francisco in the past 72 hours is $148. The best round-trip flight deal from San Francisco to State of Washington found on momondo in the last 72 hours is $246.
The fastest flight from San Francisco to State of Washington takes 1h 42m
Direct flights go from San Francisco to State of Washington every day.
There are 96 airports in State of Washington. From San Francisco there are direct flights to Portland (PDX).
Search flight deals

Frequently asked questions about flying from San Francisco to Washington

  • When did momondo last update prices for flights from San Francisco Airport to Washington?

    Prices for flights from San Francisco Airport to Washington are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Washington?

  • How old do you have to be to fly from San Francisco Airport to Washington?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to State of Washington?

Best airlines flying from San Francisco to State of Washington

Compare and see reviews for airlines that fly from San Francisco to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $83Free CancellationRating
5.6
2,966 reviews
Search Frontier flights
DeltaPriceFrom $88Free CancellationRating
7.9
8,460 reviews
Search Delta flights
Allegiant AirPriceFrom $90Free CancellationRating
7.3
707 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,682 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $130Free CancellationRating
7.9
12,325 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $277Free CancellationRating
7.1
11,671 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Washington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from San Francisco.

I’m not ready to book a flight from San Francisco to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from San Francisco and alert you when they change.

An easier way to manage your State of Washington trip

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