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Cheap flights from Washington to Seattle from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Seattle departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
1:49 pm - 2:59 pm
ALW
-
SEA
1h 10mnonstop
Alaska Airlines Logo
12:01 pm - 1:09 pm
SEA
-
ALW
1h 08mnonstop
$157Alaska Airlines
Sat, Aug 22 - Sat, Aug 29
Delta Logo
9:29 am - 10:55 am
PDX
-
SEA
1h 26mnonstop
Delta Logo
11:45 am - 1:00 pm
SEA
-
PDX
1h 15mnonstop
$167Delta
Fri, Aug 28 - Sat, Aug 29
Alaska Airlines Logo
2:03 pm - 3:13 pm
ALW
-
SEA
1h 10mnonstop
Alaska Airlines Logo
10:47 pm - 11:49 pm
SEA
-
ALW
1h 02mnonstop
$167Alaska Airlines
Fri, Oct 2 - Sat, Oct 3
Alaska Airlines Logo
5:41 pm - 6:51 pm
PDX
-
SEA
1h 10mnonstop
Alaska Airlines Logo
1:30 pm - 2:30 pm
SEA
-
PDX
1h 00mnonstop
$177Alaska Airlines
Wed, Aug 19 - Wed, Sep 16
Alaska Airlines Logo
3:04 pm - 4:15 pm
ALW
-
SEA
1h 11mnonstop
Alaska Airlines Logo
10:47 pm - 11:49 pm
SEA
-
ALW
1h 02mnonstop
$177Alaska Airlines
Tue, Oct 20 - Tue, Oct 27
Alaska Airlines Logo
2:58 pm - 3:52 pm
YKM
-
SEA
0h 54mnonstop
Alaska Airlines Logo
10:53 pm - 11:42 pm
SEA
-
YKM
0h 49mnonstop
$177Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
Alaska Airlines Logo
10:45 am - 4:25 pm
PDX
-
SEA
5h 40m
1 stop
Alaska Airlines Logo
6:51 pm - 7:50 pm
SEA
-
PDX
0h 59mnonstop
$178Alaska Airlines
Tue, Sep 15 - Tue, Sep 15
Delta Logo
5:30 am - 6:37 am
PDX
-
SEA
1h 07mnonstop
Delta Logo
6:55 pm - 8:02 pm
SEA
-
PDX
1h 07mnonstop
$187Delta
Sat, Aug 22 - Sun, Sep 20
American Airlines Logo
1:52 pm - 2:41 pm
YKM
-
SEA
0h 49mnonstop
American Airlines Logo
11:09 pm - 11:59 pm
SEA
-
YKM
0h 50mnonstop
$308American Airlines
Tue, Jul 21 - Tue, Jul 28
American Airlines Logo
8:12 pm - 9:30 pm
PUW
-
SEA
1h 18mnonstop
American Airlines Logo
6:29 pm - 7:35 pm
SEA
-
PUW
1h 06mnonstop
$317American Airlines
Thu, Jul 23 - Thu, Jul 30

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Alaska Airlines flights from State of Washington to Seattle

Our best Alaska Airlines deals on State of Washington to Seattle flight tickets
Alaska Airlines
Aug 22
ALW1:49 pmWalla Walla
1h 10m
SEA2:59 pmSeattle/Tacoma Intl
Aug 29
SEA12:01 pmSeattle/Tacoma Intl
1h 08m
ALW1:09 pmWalla Walla
$157
Alaska Airlines
Oct 2
ALW2:03 pmWalla Walla
1h 10m
SEA3:13 pmSeattle/Tacoma Intl
Oct 3
SEA10:47 pmSeattle/Tacoma Intl
1h 02m
ALW11:49 pmWalla Walla
$167
Alaska Airlines
Oct 20
ALW3:04 pmWalla Walla
1h 11m
SEA4:15 pmSeattle/Tacoma Intl
Oct 27
SEA10:47 pmSeattle/Tacoma Intl
1h 02m
ALW11:49 pmWalla Walla
$177

American Airlines flights from State of Washington to Seattle

Our best American Airlines deals on State of Washington to Seattle flight tickets
American Airlines
Jul 21
YKM1:52 pmYakima Air Terminal
0h 49m
SEA2:41 pmSeattle/Tacoma Intl
Jul 28
SEA11:09 pmSeattle/Tacoma Intl
0h 50m
YKM11:59 pmYakima Air Terminal
$308
American Airlines
Jul 23
PUW8:12 pmPullman Moscow Regional
1h 18m
SEA9:30 pmSeattle/Tacoma Intl
Jul 30
SEA6:29 pmSeattle/Tacoma Intl
1h 06m
PUW7:35 pmPullman Moscow Regional
$317
American Airlines
Jul 21
ALW5:13 amWalla Walla
1h 07m
SEA6:20 amSeattle/Tacoma Intl
Jul 22
SEA1:39 pmSeattle/Tacoma Intl
1h 03m
ALW2:42 pmWalla Walla
$387

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Seattle 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 June 28, 2026.
Use the filters below to find and compare flights from Washington to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Sat 8/22

1:49 pm-2:59 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Sat 8/29

12:01 pm-1:09 pm

Nonstop1h 08m

$157

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Fri 8/28

9:29 am-10:55 am

Nonstop1h 26m

Seattle/Tacoma Intl

Sat 8/29

11:45 am-1:00 pm

Nonstop1h 15m

$167

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Fri 10/2

2:03 pm-3:13 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Sat 10/3

10:47 pm-11:49 pm

Nonstop1h 02m

$167

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Wed 8/19

5:41 pm-6:51 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Wed 9/16

1:30 pm-2:30 pm

Nonstop1h 00m

$177

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Tue 10/20

3:04 pm-4:15 pm

Nonstop1h 11m

Seattle/Tacoma Intl

Tue 10/27

10:47 pm-11:49 pm

Nonstop1h 02m

$177

YakimaSeattle

YKM - SEA

YKMSEA

Yakima Air Terminal

Sat 10/24

2:58 pm-3:52 pm

Nonstop0h 54m

Seattle/Tacoma Intl

Tue 10/27

10:53 pm-11:42 pm

Nonstop0h 49m

$177

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Tue 9/15

10:45 am-4:25 pm

1 stop5h 40m

Seattle/Tacoma Intl

Tue 9/15

6:51 pm-7:50 pm

Nonstop0h 59m

$178

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 8/22

5:30 am-6:37 am

Nonstop1h 07m

Seattle/Tacoma Intl

Sun 9/20

6:55 pm-8:02 pm

Nonstop1h 07m

$187
Quickest round-trip

YakimaSeattle

YKM - SEA

YKMSEA

Yakima Air Terminal

Tue 7/21

1:52 pm-2:41 pm

Nonstop0h 49m

Seattle/Tacoma Intl

Tue 7/28

11:09 pm-11:59 pm

Nonstop0h 50m

$308

PullmanSeattle

PUW - SEA

PUWSEA

Pullman Moscow Regional

Thu 7/23

8:12 pm-9:30 pm

Nonstop1h 18m

Seattle/Tacoma Intl

Thu 7/30

6:29 pm-7:35 pm

Nonstop1h 06m

$317

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 Seattle from

How to get the cheapest flight ticket from State of Washington to Seattle

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 Seattle?

In general, April is the cheapest month to fly from State of Washington to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $45. If you don’t want to visit Seattle in April, then you should wait until February to fly from State of Washington, when ticket prices are also cheap, with an average price of $69.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from State of Washington is on a Friday. momondo users have found tickets for Friday departures for as low as $392. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $523.

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

Flying to Seattle from State of Washington in the evening is the least expensive time of day to depart. momondo users have found prices as low as $442 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $472. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington to Seattle/Tacoma Intl flight route?

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

What cabin class options are available on State of Washington to Seattle flights?

There are 4 cabin classes available to choose from on State of Washington to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap State of Washington to Seattle flight deals and tips

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

Best Price Found

$175

Fastest flight time

0h 49m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from State of Washington in the past 72 hours is $175. The best round-trip flight deal from State of Washington to Seattle found on momondo in the last 72 hours is $314.
The fastest flight from State of Washington to Seattle takes 0h 49m
Direct flights go from State of Washington to Seattle every day.
There is 1 airport in Seattle. From State of Washington there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Washington to Seattle

  • When did momondo last update prices for flights from Washington to Seattle/Tacoma Intl Airport?

    Prices for flights from Washington to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Washington to Seattle/Tacoma Intl Airport?

    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 Washington to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from State of Washington to Seattle

Compare and see reviews for airlines that fly from State of Washington to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $79Free CancellationRating
7.8
8,455 reviews
Search Delta flights
Alaska AirlinesPriceFrom $99Free CancellationRating
7.9
12,582 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $147Free CancellationRating
7.8
2,826 reviews
Search Hawaiian Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Cle Elum
Federal Way
Fife
Marysville
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Washington.

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

momondo does allow users to show only those flights to Seattle from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Seattle.

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

Price alerts on flights to Seattle from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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