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

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

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 Bellingham to Seattle takes 49m on average. On the other hand, flying from Pasco to Seattle takes 59m 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.

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 207 per day as of September 2025. The most frequent departure time is 1:00PM, with 43% 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 70% 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 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 1,453 per week as of September 2025. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

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 September 2025, 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.

$59 Cheap Flights from Washington to Seattle in 2025/26

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Find the cheapest flights from Washington to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:21 am - 9:41 amPSC-SEA

1h 20mnonstop

7:50 pm - 8:51 pmSEA-PSC

1h 01mnonstop

$109Hawaiian Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

1:38 pm - 2:46 pmPDX-SEA

1h 08mnonstop

5:20 am - 6:17 amSEA-PDX

0h 57mnonstop

$109Alaska Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

1:25 pm - 2:35 pmPDX-SEA

1h 10mnonstop

5:20 am - 6:17 amSEA-PDX

0h 57mnonstop

$110Hawaiian Airlines

Find Deal

Wed, Oct 22 - Tue, Oct 28

6:00 pm - 6:54 pmPDX-SEA

0h 54mnonstop

5:20 am - 6:17 amSEA-PDX

0h 57mnonstop

$112Alaska Airlines

Find Deal

Wed, Oct 22 - Tue, Oct 28

5:25 pm - 6:36 pmPDX-SEA

1h 11mnonstop

9:29 am - 10:30 amSEA-PDX

1h 01mnonstop

$117Delta

Find Deal

Tue, Oct 7 - Tue, Oct 14

11:10 am - 12:23 pmPDX-SEA

1h 13mnonstop

6:14 pm - 7:19 pmSEA-PDX

1h 05mnonstop

$147Delta

Find Deal

Sat, Oct 11 - Mon, Oct 27

10:34 am - 5:44 pmPDX-SEA

7h 10m1 stop

9:58 pm - 9:39 amSEA-PDX

11h 41m1 stop

$214Frontier

Find Deal

Mon, Oct 20 - Sun, Oct 26

12:43 pm - 7:33 amPDX-SEA

18h 50m1 stop

8:28 am - 10:58 amSEA-PDX

26h 30m1 stop

$229Frontier

Find Deal

Thu, Oct 16 - Sun, Oct 19

5:05 am - 6:26 amPUW-SEA

1h 21mnonstop

11:15 pm - 12:20 amSEA-PUW

1h 05mnonstop

$257American Airlines

Find Deal

Sat, Oct 11 - Sat, Oct 18

2:09 pm - 3:00 pmYKM-SEA

0h 51mnonstop

11:10 pm - 12:01 amSEA-YKM

0h 51mnonstop

$308American Airlines

Find Deal

Wed, Oct 1 - Wed, Oct 8

Delta flights from State of Washington to Seattle

Our best Delta deals on State of Washington to Seattle flight tickets

Delta

Oct 7

PDX5:25 pmPortland

1h 11m

SEA6:36 pmSeattle/Tacoma Intl

Oct 14

SEA9:29 amSeattle/Tacoma Intl

1h 01m

PDX10:30 amPortland

$117

Find similar

Delta

Oct 11

PDX11:10 amPortland

1h 13m

SEA12:23 pmSeattle/Tacoma Intl

Oct 27

SEA6:14 pmSeattle/Tacoma Intl

1h 05m

PDX7:19 pmPortland

$147

Find similar

Delta

Nov 25

GEG5:05 amSpokane

1h 29m

SEA6:34 amSeattle/Tacoma Intl

Nov 29

SEA7:10 amSeattle/Tacoma Intl

1h 23m

GEG8:33 amSpokane

$157

Find similar

Alaska Airlines flights from State of Washington to Seattle

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

Alaska Airlines

Oct 29

PDX1:38 pmPortland

1h 08m

SEA2:46 pmSeattle/Tacoma Intl

Nov 5

SEA5:20 amSeattle/Tacoma Intl

0h 57m

PDX6:17 amPortland

$109

Find similar

Alaska Airlines

Oct 22

PDX6:00 pmPortland

0h 54m

SEA6:54 pmSeattle/Tacoma Intl

Oct 28

SEA5:20 amSeattle/Tacoma Intl

0h 57m

PDX6:17 amPortland

$112

Find similar

Alaska Airlines

Mar 3

PDX9:10 pmPortland

13h 11m

1 stop

SEA10:21 amSeattle/Tacoma Intl

Mar 4

SEA12:50 pmSeattle/Tacoma Intl

0h 56m

PDX1:46 pmPortland

$135

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 10/29

8:21 am-9:41 am

Nonstop1h 20m

Seattle/Tacoma Intl

Wed 11/5

7:50 pm-8:51 pm

Nonstop1h 01m

$109

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Wed 10/29

1:38 pm-2:46 pm

Nonstop1h 08m

Seattle/Tacoma Intl

Wed 11/5

5:20 am-6:17 am

Nonstop0h 57m

$109

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Wed 10/22

1:25 pm-2:35 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Tue 10/28

5:20 am-6:17 am

Nonstop0h 57m

$110

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Wed 10/22

6:00 pm-6:54 pm

Nonstop0h 54m

Seattle/Tacoma Intl

Tue 10/28

5:20 am-6:17 am

Nonstop0h 57m

$112

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Tue 10/7

5:25 pm-6:36 pm

Nonstop1h 11m

Seattle/Tacoma Intl

Tue 10/14

9:29 am-10:30 am

Nonstop1h 01m

$117

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 10/11

11:10 am-12:23 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Mon 10/27

6:14 pm-7:19 pm

Nonstop1h 05m

$147

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Mon 10/20

10:34 am-5:44 pm

1 stop7h 10m

Seattle/Tacoma Intl

Sun 10/26

9:58 pm-9:39 am

1 stop11h 41m

$214

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Thu 10/16

12:43 pm-7:33 am

1 stop18h 50m

Seattle/Tacoma Intl

Sun 10/19

8:28 am-10:58 am

1 stop26h 30m

$229

PullmanSeattle

PUW - SEA

PUWSEA

Pullman Moscow Regional

Sat 10/11

5:05 am-6:26 am

Nonstop1h 21m

Seattle/Tacoma Intl

Sat 10/18

11:15 pm-12:20 am

Nonstop1h 05m

$257

YakimaSeattle

YKM - SEA

YKMSEA

Yakima Air Terminal

Wed 10/1

2:09 pm-3:00 pm

Nonstop0h 51m

Seattle/Tacoma Intl

Wed 10/8

11:10 pm-12:01 am

Nonstop0h 51m

$308

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 Thursday. momondo users have found tickets for Thursday departures for as low as $467. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday 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 $561.

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 $434 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $504. 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 Walla Walla to Seattle/Tacoma Intl for the best Washington - Seattle/Tacoma Intl flight prices

What cabin class options are available on Washington to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Washington to Seattle/Tacoma Intl 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	$170
Fastest flight time	0h 48m
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 $170. The best round-trip flight deal from State of Washington to Seattle found on momondo in the last 72 hours is $315.

The fastest flight from State of Washington to Seattle takes 0h 48m

Direct flights go from State of Washington to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

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 September 2025, 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 Embraer 175, making up 24.09% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 11.91%, Boeing 737-800 Passenger/BBJ2 (winglets) with 9.89%, and Boeing 737 with 6.90%.

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 $98	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Alaska Airlines	PriceFrom $108	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $137	Free Cancellation	Rating 7.8 2,723 reviews	Search Hawaiian Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

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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Cheap flights from Washington to Seattle from $59

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 11/15. 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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Delta flights from State of Washington to Seattle

Our best Delta deals on State of Washington to Seattle flight tickets

Alaska Airlines flights from State of Washington to Seattle

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

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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 day to depart on your flight to Seattle?

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

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

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

What cabin class options are available on Washington to Seattle/Tacoma Intl flights?

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

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

Hawaiian Airlines, Alaska Airlines, and Delta are the most popular carriers operating 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?

The number of flights available between State of Washington and Seattle is 207 per day as of September 2025. The most frequent departure time is 1:00PM, with 43% of daily flights leaving in the afternoon.

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 1,453 per week as of September 2025. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.

How long does it take to fly to Seattle?

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

Fastest flight time

Direct flights

Airports in Seattle

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

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?

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

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

Traveling to a place near Seattle?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington