When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport?

As of June 2026, there is 1 operator available to choose from for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport 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.

$417 Cheap Flights from Killeen to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Killeen to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:44 am - 1:13 pm

GRK

SEA

8h 29m

1 stop

12:44 am - 9:36 am

SEA

GRK

6h 52m

1 stop

$507American Airlines

Tue, Jun 30 - Mon, Jul 20

7:22 pm - 12:50 am

GRK

SEA

7h 28m

1 stop

12:40 am - 9:29 am

SEA

GRK

6h 49m

1 stop

$557American Airlines

Thu, Sep 3 - Sun, Sep 6

3:05 pm - 10:26 pm

GRK

SEA

9h 21m

1 stop

10:17 am - 6:45 pm

SEA

GRK

6h 28m

1 stop

$607American Airlines

Wed, Sep 2 - Wed, Sep 9

3:08 pm - 8:05 pm

GRK

SEA

6h 57m

1 stop

12:44 am - 9:36 am

SEA

GRK

6h 52m

1 stop

$613American Airlines

Sat, Jul 18 - Fri, Jul 24

12:37 pm - 6:47 pm

GRK

SEA

8h 10m

1 stop

10:17 am - 9:17 pm

SEA

GRK

9h 00m

1 stop

$641American Airlines

Thu, Sep 3 - Wed, Sep 9

3:05 pm - 11:21 pm

GRK

SEA

10h 16m

2 stops

5:00 am - 2:35 pm

SEA

GRK

7h 35m

1 stop

$662American Airlines

Wed, Sep 2 - Mon, Sep 7

12:37 pm - 7:47 pm

GRK

SEA

9h 10m

1 stop

12:40 am - 9:29 am

SEA

GRK

6h 49m

1 stop

$675American Airlines

Thu, Sep 3 - Sun, Sep 6

7:00 am - 2:03 pm

GRK

SEA

9h 03m

2 stops

11:16 pm - 9:18 am

SEA

GRK

8h 02m

1 stop

$687American Airlines

Wed, Sep 2 - Tue, Sep 8

12:37 pm - 11:59 pm

GRK

SEA

13h 22m

2 stops

5:00 am - 2:35 pm

SEA

GRK

7h 35m

1 stop

$691American Airlines

Thu, Sep 3 - Mon, Sep 7

5:00 am - 10:50 am

GRK

SEA

7h 50m

1 stop

12:44 am - 9:36 am

SEA

GRK

6h 52m

1 stop

$695American Airlines

Thu, Jul 2 - Sun, Jul 5

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Alaska Airlines flights from Killeen to Seattle

Our best Alaska Airlines deals on Killeen to Seattle flight tickets

Alaska Airlines

Aug 4

GRK6:30 amKilleen Fort Hood Regional

6h 50m

1 stop

SEA11:20 amSeattle/Tacoma Intl

Aug 11

SEA6:02 amSeattle/Tacoma Intl

6h 33m

1 stop

GRK2:35 pmKilleen Fort Hood Regional

$931

Alaska Airlines

Jun 30

GRK6:44 amKilleen Fort Hood Regional

6h 36m

1 stop

SEA11:20 amSeattle/Tacoma Intl

Jul 21

SEA7:26 amSeattle/Tacoma Intl

13h 01m

2 stops

GRK10:27 pmKilleen Fort Hood Regional

$936

Alaska Airlines

Jun 30

GRK10:04 amKilleen Fort Hood Regional

13h 31m

2 stops

SEA9:35 pmSeattle/Tacoma Intl

Jul 21

SEA10:03 amSeattle/Tacoma Intl

10h 24m

2 stops

GRK10:27 pmKilleen Fort Hood Regional

$941

American Airlines flights from Killeen to Seattle

Our best American Airlines deals on Killeen to Seattle flight tickets

American Airlines

Jun 30

GRK6:44 amKilleen Fort Hood Regional

8h 29m

1 stop

SEA1:13 pmSeattle/Tacoma Intl

Jul 20

SEA12:44 amSeattle/Tacoma Intl

6h 52m

1 stop

GRK9:36 amKilleen Fort Hood Regional

$507

American Airlines

Sep 3

GRK7:22 pmKilleen Fort Hood Regional

7h 28m

1 stop

SEA12:50 amSeattle/Tacoma Intl

Sep 6

SEA12:40 amSeattle/Tacoma Intl

6h 49m

1 stop

GRK9:29 amKilleen Fort Hood Regional

$557

American Airlines

Sep 2

GRK3:05 pmKilleen Fort Hood Regional

9h 21m

1 stop

SEA10:26 pmSeattle/Tacoma Intl

Sep 9

SEA10:17 amSeattle/Tacoma Intl

6h 28m

1 stop

GRK6:45 pmKilleen Fort Hood Regional

$607

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 6/30

6:44 am-1:13 pm

1 stop8h 29m

Seattle/Tacoma Intl

Mon 7/20

12:44 am-9:36 am

1 stop6h 52m

$507

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 9/3

7:22 pm-12:50 am

1 stop7h 28m

Seattle/Tacoma Intl

Sun 9/6

12:40 am-9:29 am

1 stop6h 49m

$557

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 9/2

3:05 pm-10:26 pm

1 stop9h 21m

Seattle/Tacoma Intl

Wed 9/9

10:17 am-6:45 pm

1 stop6h 28m

$607

Quickest round-trip

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sat 7/18

3:08 pm-8:05 pm

1 stop6h 57m

Seattle/Tacoma Intl

Fri 7/24

12:44 am-9:36 am

1 stop6h 52m

$613

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 9/3

12:37 pm-6:47 pm

1 stop8h 10m

Seattle/Tacoma Intl

Wed 9/9

10:17 am-9:17 pm

1 stop9h 00m

$641

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 9/2

3:05 pm-11:21 pm

2 stops10h 16m

Seattle/Tacoma Intl

Mon 9/7

5:00 am-2:35 pm

1 stop7h 35m

$662

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 9/3

12:37 pm-7:47 pm

1 stop9h 10m

Seattle/Tacoma Intl

Sun 9/6

12:40 am-9:29 am

1 stop6h 49m

$675

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 9/2

7:00 am-2:03 pm

2 stops9h 03m

Seattle/Tacoma Intl

Tue 9/8

11:16 pm-9:18 am

1 stop8h 02m

$687

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 9/3

12:37 pm-11:59 pm

2 stops13h 22m

Seattle/Tacoma Intl

Mon 9/7

5:00 am-2:35 pm

1 stop7h 35m

$691

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 7/2

5:00 am-10:50 am

1 stop7h 50m

Seattle/Tacoma Intl

Sun 7/5

12:44 am-9:36 am

1 stop6h 52m

$695

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Killeen 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 airline that flies from Killeen Fort Hood Regional to Seattle/Tacoma Intl?

American Airlines and Alaska Airlines are the most popular carriers operating from Killeen Fort Hood Regional to Seattle/Tacoma Intl

What airlines fly to Seattle?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from Killeen according to our data. Alaska Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When to book flights from Killeen to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Killeen to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Killeen to Seattle (GRK to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to Seattle

Fastest flight time	6h 50m
Direct flights	None

The fastest flight from Killeen to Seattle takes 6h 50m

There are no direct flights from Killeen to Seattle. There are no popular flight routes from Killeen to Seattle.

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Frequently asked questions about flying from Killeen to Seattle

How far is Killeen Fort Hood Regional to Seattle/Tacoma Intl by plane?
Killeen Fort Hood Regional and Seattle/Tacoma Intl are 1725.2 mi apart from one another. 6h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport?
As of June 2026, there is 1 operator available to choose from for flights from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Killeen Fort Hood Regional Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport 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 airline from Killeen to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Killeen to Seattle is American Airlines (100% of total bookings).

Best airlines flying from Killeen to Seattle

Compare and see reviews for airlines that fly from Killeen to Seattle with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $466	Free Cancellation	Rating 7.1 11,715 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Lakewood

Puyallup

Tukwila

Federal Way

Fife

Cle Elum

Marysville

Centralia

Shoreline

Kirkland

Westport

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Killeen to Seattle flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Seattle from Killeen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Killeen to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.