What is the cheapest airline that flies from Washington to Seattle/Tacoma Intl?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Washington to Seattle/Tacoma Intl

How many flights depart from State of Washington to Seattle on average per week?

The number of flights available between State of Washington and Seattle is 780 per week as of April 2026. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

How many flights depart from State of Washington to Seattle on average per day?

The number of flights available between State of Washington and Seattle is 111 per day as of April 2026. The most frequent departure time is 5:00AM, with 34% of daily flights leaving in the afternoon.

What airlines fly to Seattle?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in State of Washington you fly out of and what airport in Seattle you fly into. For example, flying from Wenatchee to Seattle takes 52m on average. On the other hand, flying from Bellingham to Seattle takes 56m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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?

As of April 2026, there are 3 operators available to choose from 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.

$78 Cheap Flights from Washington to Seattle in 2026

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Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 6:07 am

ALW

SEA

1h 07mnonstop

11:15 pm - 12:17 am

SEA

ALW

1h 02mnonstop

$157Alaska Airlines

Tue, May 12 - Wed, Jun 3

3:06 pm - 4:16 pm

ALW

SEA

1h 10mnonstop

1:23 pm - 2:25 pm

SEA

ALW

1h 02mnonstop

$164Alaska Airlines

Sat, May 16 - Sun, May 17

5:00 am - 6:08 am

ALW

SEA

1h 08mnonstop

11:15 pm - 12:17 am

SEA

ALW

1h 02mnonstop

$167Alaska Airlines

Sat, May 23 - Tue, May 26

5:53 pm - 6:50 pm

BLI

SEA

0h 57mnonstop

11:10 pm - 12:07 am

SEA

BLI

0h 57mnonstop

$172Alaska Airlines

Tue, May 19 - Tue, May 26

5:00 am - 6:08 am

ALW

SEA

1h 08mnonstop

11:15 pm - 12:17 am

SEA

ALW

1h 02mnonstop

$177Alaska Airlines

Thu, May 14 - Thu, May 14

5:00 am - 6:19 am

GEG

SEA

1h 19mnonstop

2:10 pm - 3:31 pm

SEA

GEG

1h 21mnonstop

$197Delta

Tue, May 19 - Tue, May 26

5:30 am - 6:35 am

PDX

SEA

1h 05mnonstop

9:30 am - 10:40 am

SEA

PDX

1h 10mnonstop

$197Delta

Tue, May 19 - Tue, May 26

5:00 am - 6:19 am

GEG

SEA

1h 19mnonstop

10:50 pm - 11:59 pm

SEA

GEG

1h 09mnonstop

$207Delta

Sat, May 16 - Sun, May 17

3:06 pm - 4:16 pm

ALW

SEA

1h 10mnonstop

11:15 pm - 12:17 am

SEA

ALW

1h 02mnonstop

$257American Airlines

Sat, May 16 - Sat, May 23

3:14 pm - 4:06 pm

YKM

SEA

0h 52mnonstop

1:44 pm - 2:34 pm

SEA

YKM

0h 50mnonstop

$258American Airlines

Tue, May 19 - Tue, May 26

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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

May 12

ALW5:00 amWalla Walla

1h 07m

SEA6:07 amSeattle/Tacoma Intl

Jun 3

SEA11:15 pmSeattle/Tacoma Intl

1h 02m

ALW12:17 amWalla Walla

$157

Alaska Airlines

May 16

ALW3:06 pmWalla Walla

1h 10m

SEA4:16 pmSeattle/Tacoma Intl

May 17

SEA1:23 pmSeattle/Tacoma Intl

1h 02m

ALW2:25 pmWalla Walla

$164

Alaska Airlines

May 16

ALW3:06 pmWalla Walla

1h 10m

SEA4:16 pmSeattle/Tacoma Intl

Jun 1

SEA11:15 pmSeattle/Tacoma Intl

1h 02m

ALW12:17 amWalla Walla

$167

American Airlines flights from State of Washington to Seattle

Our best American Airlines deals on State of Washington to Seattle flight tickets

American Airlines

May 18

ALW3:05 pmWalla Walla

1h 10m

SEA4:15 pmSeattle/Tacoma Intl

May 25

SEA11:15 pmSeattle/Tacoma Intl

1h 02m

ALW12:17 amWalla Walla

$257

American Airlines

May 19

YKM3:14 pmYakima Air Terminal

0h 52m

SEA4:06 pmSeattle/Tacoma Intl

May 26

SEA1:44 pmSeattle/Tacoma Intl

0h 50m

YKM2:34 pmYakima Air Terminal

$258

American Airlines

May 14

PUW7:59 pmPullman Moscow Regional

1h 21m

SEA9:20 pmSeattle/Tacoma Intl

May 15

SEA11:16 pmSeattle/Tacoma Intl

1h 06m

PUW12:22 amPullman Moscow Regional

$382

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Tue 5/12

5:00 am-6:07 am

Nonstop1h 07m

Seattle/Tacoma Intl

Wed 6/3

11:15 pm-12:17 am

Nonstop1h 02m

$157

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Sat 5/16

3:06 pm-4:16 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Sun 5/17

1:23 pm-2:25 pm

Nonstop1h 02m

$164

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Sat 5/23

5:00 am-6:08 am

Nonstop1h 08m

Seattle/Tacoma Intl

Tue 5/26

11:15 pm-12:17 am

Nonstop1h 02m

$167

BellinghamSeattle

BLI - SEA

BLISEA

Bellingham

Tue 5/19

5:53 pm-6:50 pm

Nonstop0h 57m

Seattle/Tacoma Intl

Tue 5/26

11:10 pm-12:07 am

Nonstop0h 57m

$172

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Thu 5/14

5:00 am-6:08 am

Nonstop1h 08m

Seattle/Tacoma Intl

Thu 5/14

11:15 pm-12:17 am

Nonstop1h 02m

$177

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Tue 5/19

5:00 am-6:19 am

Nonstop1h 19m

Seattle/Tacoma Intl

Tue 5/26

2:10 pm-3:31 pm

Nonstop1h 21m

$197

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Tue 5/19

5:30 am-6:35 am

Nonstop1h 05m

Seattle/Tacoma Intl

Tue 5/26

9:30 am-10:40 am

Nonstop1h 10m

$197

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Sat 5/16

5:00 am-6:19 am

Nonstop1h 19m

Seattle/Tacoma Intl

Sun 5/17

10:50 pm-11:59 pm

Nonstop1h 09m

$207

Walla WallaSeattle

ALW - SEA

ALWSEA

Walla Walla

Sat 5/16

3:06 pm-4:16 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Sat 5/23

11:15 pm-12:17 am

Nonstop1h 02m

$257

Quickest round-trip

YakimaSeattle

YKM - SEA

YKMSEA

Yakima Air Terminal

Tue 5/19

3:14 pm-4:06 pm

Nonstop0h 52m

Seattle/Tacoma Intl

Tue 5/26

1:44 pm-2:34 pm

Nonstop0h 50m

$258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $403. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $508.

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 $431 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $465. 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	$174
Fastest flight time	0h 50m
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 $174. The best round-trip flight deal from State of Washington to Seattle found on momondo in the last 72 hours is $297.

The fastest flight from State of Washington to Seattle takes 0h 50m

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).

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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?
As of April 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between State of Washington and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 17.95% of the total bookings. Other popular models include Boeing 737-700 with 11.22%, Boeing 737 MAX 8 with 10.55%, and Embraer 175 with 10.01%.

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
Delta	PriceFrom $79	Free Cancellation	Rating 7.9 8,437 reviews	Search Delta flights
Alaska Airlines	PriceFrom $99	Free Cancellation	Rating 7.9 12,273 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $124	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights

Tacoma

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SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Marysville

Tukwila

Puyallup

Lakewood

Cle Elum

Federal Way

Centralia

Fife

Shoreline

Westport

Tumwater

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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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Washington to Seattle from $78

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 5/18. 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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Alaska Airlines flights from State of Washington to Seattle

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

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

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

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

What is the cheapest airline that flies from Washington to Seattle/Tacoma Intl?

What airlines fly to Seattle?

How many flights depart from State of Washington to Seattle on average per day?

How many flights depart from State of Washington to Seattle on average per week?

How long does it take to fly to Seattle?

Cheap State of Washington to Seattle flight deals and tips

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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

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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