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

Frontier, Alaska Airlines, and Delta 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 day?

The number of flights available between State of Washington and Seattle is 143 per day as of July 2026. The most frequent departure time is 5:00AM, with 38% 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 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 1,002 per week as of July 2026. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.

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 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.

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 July 2026, there are 4 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.

$82 Cheap Flights from Washington to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:41 pm - 6:51 pm

PDX

SEA

1h 10mnonstop

8:35 am - 9:33 am

SEA

PDX

0h 58mnonstop

$173Alaska Airlines

Wed, Aug 19 - Wed, Aug 26

6:00 am - 7:52 pm

GEG

SEA

13h 52m

1 stop

10:55 pm - 11:59 pm

SEA

GEG

1h 04mnonstop

$174Alaska Airlines

Sat, Sep 19 - Sat, Sep 19

10:09 am - 10:00 am

GEG

SEA

23h 51m

1 stop

9:16 pm - 9:19 am

SEA

GEG

12h 03m

1 stop

$176Multiple Airlines

Sun, Sep 13 - Wed, Sep 16

9:32 pm - 10:39 pm

PDX

SEA

1h 07mnonstop

10:43 am - 11:43 am

SEA

PDX

1h 00mnonstop

$177Alaska Airlines

Wed, Aug 19 - Sat, Aug 29

1:42 pm - 2:55 pm

PDX

SEA

1h 13mnonstop

8:59 pm - 10:02 pm

SEA

PDX

1h 03mnonstop

$187Delta

Sat, Aug 22 - Sun, Aug 23

8:24 pm - 9:38 pm

PDX

SEA

1h 14mnonstop

9:35 am - 10:42 am

SEA

PDX

1h 07mnonstop

$197Delta

Fri, Aug 21 - Mon, Aug 31

5:56 pm - 9:19 am

PDX

SEA

15h 23m

1 stop

7:06 pm - 5:11 pm

SEA

PDX

22h 05m

1 stop

$204Frontier

Tue, Aug 18 - Wed, Sep 2

9:14 pm - 11:04 am

GEG

SEA

13h 50m

1 stop

8:53 pm - 9:22 am

SEA

GEG

12h 29m

1 stop

$215Multiple Airlines

Thu, Aug 6 - Wed, Aug 26

11:33 am - 12:47 pm

PUW

SEA

1h 14mnonstop

3:37 pm - 4:43 pm

SEA

PUW

1h 06mnonstop

$298American Airlines

Sat, Aug 22 - Mon, Aug 24

1:52 pm - 2:41 pm

YKM

SEA

0h 49mnonstop

12:20 pm - 1:15 pm

SEA

YKM

0h 55mnonstop

$308American Airlines

Tue, Aug 4 - Tue, Aug 11

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Delta flights from State of Washington to Seattle

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

Delta

Aug 22

PDX1:42 pmPortland

1h 13m

SEA2:55 pmSeattle/Tacoma Intl

Aug 23

SEA8:59 pmSeattle/Tacoma Intl

1h 03m

PDX10:02 pmPortland

$187

Delta

Aug 21

PDX8:24 pmPortland

1h 14m

SEA9:38 pmSeattle/Tacoma Intl

Aug 31

SEA9:35 amSeattle/Tacoma Intl

1h 07m

PDX10:42 amPortland

$197

Delta

Aug 18

PDX3:25 pmPortland

1h 12m

SEA4:37 pmSeattle/Tacoma Intl

Sep 1

SEA8:59 pmSeattle/Tacoma Intl

1h 03m

PDX10:02 pmPortland

$217

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 19

PDX5:41 pmPortland

1h 10m

SEA6:51 pmSeattle/Tacoma Intl

Aug 26

SEA8:35 amSeattle/Tacoma Intl

0h 58m

PDX9:33 amPortland

$173

Alaska Airlines

Sep 19

GEG6:00 amSpokane

13h 52m

1 stop

SEA7:52 pmSeattle/Tacoma Intl

Sep 19

SEA10:55 pmSeattle/Tacoma Intl

1h 04m

GEG11:59 pmSpokane

$174

Alaska Airlines

Aug 19

PDX9:32 pmPortland

1h 07m

SEA10:39 pmSeattle/Tacoma Intl

Aug 29

SEA10:43 amSeattle/Tacoma Intl

1h 00m

PDX11:43 amPortland

$177

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Wed 8/19

5:41 pm-6:51 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Wed 8/26

8:35 am-9:33 am

Nonstop0h 58m

$173

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Sat 9/19

6:00 am-7:52 pm

1 stop13h 52m

Seattle/Tacoma Intl

Sat 9/19

10:55 pm-11:59 pm

Nonstop1h 04m

$174

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Sun 9/13

10:09 am-10:00 am

1 stop23h 51m

Seattle/Tacoma Intl

Wed 9/16

9:16 pm-9:19 am

1 stop12h 03m

$176

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Wed 8/19

9:32 pm-10:39 pm

Nonstop1h 07m

Seattle/Tacoma Intl

Sat 8/29

10:43 am-11:43 am

Nonstop1h 00m

$177

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 8/22

1:42 pm-2:55 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Sun 8/23

8:59 pm-10:02 pm

Nonstop1h 03m

$187

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Fri 8/21

8:24 pm-9:38 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Mon 8/31

9:35 am-10:42 am

Nonstop1h 07m

$197

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Tue 8/18

5:56 pm-9:19 am

1 stop15h 23m

Seattle/Tacoma Intl

Wed 9/2

7:06 pm-5:11 pm

1 stop22h 05m

$204

SpokaneSeattle

GEG - SEA

GEGSEA

Spokane

Thu 8/6

9:14 pm-11:04 am

1 stop13h 50m

Seattle/Tacoma Intl

Wed 8/26

8:53 pm-9:22 am

1 stop12h 29m

$215

PullmanSeattle

PUW - SEA

PUWSEA

Pullman Moscow Regional

Sat 8/22

11:33 am-12:47 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Mon 8/24

3:37 pm-4:43 pm

Nonstop1h 06m

$298

Quickest round-trip

YakimaSeattle

YKM - SEA

YKMSEA

Yakima Air Terminal

Tue 8/4

1:52 pm-2:41 pm

Nonstop0h 49m

Seattle/Tacoma Intl

Tue 8/11

12:20 pm-1:15 pm

Nonstop0h 55m

$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 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 $396. 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 $534.

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 $449 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $491. 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 Pasco Tri Cities 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.

Can stopping save me money on State of Washington to Seattle flights?

You could potentially save up to 3% on your flight if you consider stops on a State of Washington to Seattle flight.

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	$176
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 $176. The best round-trip flight deal from State of Washington to Seattle found on momondo in the last 72 hours is $304.

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?
As of July 2026, there are 4 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 737-700, making up 12.95% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 10.93%, Embraer 175 with 10.10%, and Embraer 170 with 9.74%.

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 7.8 8,458 reviews	Search Delta flights
Alaska Airlines	PriceFrom $99	Free Cancellation	Rating 7.9 12,657 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $147	Free Cancellation	Rating 7.8 2,824 reviews	Search Hawaiian Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Federal Way

Cle Elum

Marysville

Fife

Centralia

Kirkland

Shoreline

Lacey

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 $82

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 9/10. 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

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

What is the cheapest month to fly to Seattle?

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?

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

Can stopping save me money 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

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

Frequently asked questions about flying from 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?

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

Fly your favorite airline to Seattle

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

Cabin classes currently available on flights to Seattle

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

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