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 August 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.

$259 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.

4:09 pm - 9:52 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

7h 43m1 stop Dallas/Fort Worth

12:25 am - 9:23 amSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

6h 58m1 stop Dallas/Fort Worth

$397American Airlines

Sat, Oct 3 - Sat, Oct 10

7:22 pm - 12:50 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

7h 28m1 stop Dallas/Fort Worth

11:16 pm - 9:29 amSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 13m1 stop Dallas/Fort Worth

$397American Airlines

Thu, Aug 27 - Mon, Aug 31

10:04 am - 4:42 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

8h 38m1 stop Dallas/Fort Worth

5:30 am - 3:34 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 04m1 stop Dallas/Fort Worth

$397American Airlines

Fri, Sep 18 - Tue, Sep 22

6:32 pm - 11:07 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

6h 35m1 stop Dallas/Fort Worth

11:59 pm - 9:51 amSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

7h 52m1 stop Dallas/Fort Worth

$397American Airlines

Thu, Dec 17 - Tue, Dec 29

12:37 pm - 4:41 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

6h 04m1 stop Dallas/Fort Worth

11:11 pm - 9:29 amSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 18m1 stop Dallas/Fort Worth

$437American Airlines

Wed, Aug 26 - Sun, Aug 30

7:02 pm - 12:10 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

7h 08m1 stop Dallas/Fort Worth

12:25 am - 9:23 amSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

6h 58m1 stop Dallas/Fort Worth

$468American Airlines

Thu, Oct 8 - Fri, Oct 9

9:59 am - 4:41 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

8h 42m1 stop Dallas/Fort Worth

5:00 am - 2:35 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

7h 35m1 stop Dallas/Fort Worth

$477American Airlines

Fri, Aug 21 - Tue, Aug 25

12:37 pm - 7:57 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

9h 20m1 stop Dallas/Fort Worth

5:00 am - 2:35 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

7h 35m1 stop Dallas/Fort Worth

$477American Airlines

Sat, Aug 22 - Tue, Aug 25

5:00 am - 10:33 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

7h 33m1 stop Dallas/Fort Worth

8:40 am - 6:45 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 05m1 stop Dallas/Fort Worth

$986Alaska Airlines

Tue, Sep 15 - Sun, Sep 27

5:00 am - 10:33 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

7h 33m1 stop Dallas/Fort Worth

8:40 am - 6:45 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 05m1 stop Dallas/Fort Worth

$986Alaska Airlines

Tue, Sep 22 - Sun, Sep 27

Cheap last minute flights

Enter your travel dates to find the best prices.

9:59 am - 4:41 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

8h 42m1 stop Dallas/Fort Worth

5:00 am - 2:35 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

7h 35m1 stop Dallas/Fort Worth

$664American Airlines

Wed, Aug 12 - Mon, Aug 17

9:59 am - 2:56 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

6h 57m1 stop Dallas/Fort Worth

12:40 am - 9:29 amSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

6h 49m1 stop Dallas/Fort Worth

$764American Airlines

Tue, Aug 11 - Sun, Aug 16

5:00 am - 10:58 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

7h 58m1 stop Dallas/Fort Worth

10:15 am - 8:59 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 44m1 stop Dallas/Fort Worth

$764American Airlines

Wed, Aug 12 - Mon, Aug 17

5:00 am - 4:32 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

13h 32m2 stops Dallas/Fort Worth Los Angeles

12:40 am - 9:29 amSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

6h 49m1 stop Dallas/Fort Worth

$791American Airlines

Wed, Aug 12 - Sun, Aug 16

5:00 am - 4:32 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

13h 32m2 stops Dallas/Fort Worth Los Angeles

10:15 am - 8:59 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 44m1 stop Dallas/Fort Worth

$791American Airlines

Tue, Aug 11 - Mon, Aug 17

5:00 am - 9:25 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

6h 25m1 stop Dallas/Fort Worth

10:15 am - 8:59 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

8h 44m1 stop Dallas/Fort Worth

$805American Airlines

Mon, Aug 10 - Mon, Aug 17

5:00 am - 10:58 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

7h 58m1 stop Dallas/Fort Worth

5:00 am - 2:35 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

7h 35m1 stop Dallas/Fort Worth

$805American Airlines

Thu, Aug 13 - Mon, Aug 17

5:00 am - 9:25 amGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

6h 25m1 stop Dallas/Fort Worth

5:00 am - 2:35 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

7h 35m1 stop Dallas/Fort Worth

$843American Airlines

Tue, Aug 11 - Wed, Aug 12

12:37 pm - 6:37 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

8h 00m1 stop Dallas/Fort Worth

6:21 am - 6:52 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

10h 31m2 stops San Diego Dallas/Fort Worth

$920Alaska Airlines

Sun, Aug 9 - Tue, Aug 11

12:37 pm - 6:37 pmGRK Killeen Fort Hood Regional-SEA Seattle/Tacoma Intl

8h 00m1 stop Dallas/Fort Worth

6:21 am - 6:52 pmSEA Seattle/Tacoma Intl-GRK Killeen Fort Hood Regional

10h 31m2 stops San Diego Dallas/Fort Worth

$920Alaska Airlines

Sun, Aug 9 - Wed, Aug 12

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American Airlines flights from Killeen to Seattle

Our best American Airlines deals on Killeen to Seattle flight tickets

American Airlines

Aug 27

GRK7:22 pmKilleen Fort Hood Regional

7h 28m

1 stop

SEA12:50 amSeattle/Tacoma Intl

Aug 31

SEA11:16 pmSeattle/Tacoma Intl

8h 13m

1 stop

GRK9:29 amKilleen Fort Hood Regional

$397

American Airlines

Aug 26

GRK12:37 pmKilleen Fort Hood Regional

6h 04m

1 stop

SEA4:41 pmSeattle/Tacoma Intl

Aug 30

SEA11:11 pmSeattle/Tacoma Intl

8h 18m

1 stop

GRK9:29 amKilleen Fort Hood Regional

$437

American Airlines

Oct 8

GRK7:02 pmKilleen Fort Hood Regional

7h 08m

1 stop

SEA12:10 amSeattle/Tacoma Intl

Oct 9

SEA12:25 amSeattle/Tacoma Intl

6h 58m

1 stop

GRK9:23 amKilleen Fort Hood Regional

$468

Alaska Airlines flights from Killeen to Seattle

Our best Alaska Airlines deals on Killeen to Seattle flight tickets

Alaska Airlines

Aug 9

GRK12:37 pmKilleen Fort Hood Regional

8h 00m

1 stop

SEA6:37 pmSeattle/Tacoma Intl

Aug 12

SEA6:21 amSeattle/Tacoma Intl

10h 31m

2 stops

GRK6:52 pmKilleen Fort Hood Regional

$920

Alaska Airlines

Sep 15

GRK5:00 amKilleen Fort Hood Regional

7h 33m

1 stop

SEA10:33 amSeattle/Tacoma Intl

Sep 27

SEA8:40 amSeattle/Tacoma Intl

8h 05m

1 stop

GRK6:45 pmKilleen Fort Hood Regional

$986

Alaska Airlines

Dec 17

GRK11:57 amKilleen Fort Hood Regional

10h 25m

2 stops

SEA8:22 pmSeattle/Tacoma Intl

Dec 29

SEA7:15 amSeattle/Tacoma Intl

6h 14m

1 stop

GRK3:29 pmKilleen Fort Hood Regional

$991

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Sat 10/3

4:09 pm-9:52 pm

1 stop7h 43m

Seattle/Tacoma Intl

Sat 10/10

12:25 am-9:23 am

1 stop6h 58m

$397

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Thu 8/27

7:22 pm-12:50 am

1 stop7h 28m

Seattle/Tacoma Intl

Mon 8/31

11:16 pm-9:29 am

1 stop8h 13m

$397

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Fri 9/18

10:04 am-4:42 pm

1 stop8h 38m

Seattle/Tacoma Intl

Tue 9/22

5:30 am-3:34 pm

1 stop8h 04m

$397

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Thu 12/17

6:32 pm-11:07 pm

1 stop6h 35m

Seattle/Tacoma Intl

Tue 12/29

11:59 pm-9:51 am

1 stop7h 52m

$397

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Wed 8/26

12:37 pm-4:41 pm

1 stop6h 04m

Seattle/Tacoma Intl

Sun 8/30

11:11 pm-9:29 am

1 stop8h 18m

$437

Quickest round-trip

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Thu 10/8

7:02 pm-12:10 am

1 stop7h 08m

Seattle/Tacoma Intl

Fri 10/9

12:25 am-9:23 am

1 stop6h 58m

$468

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Fri 8/21

9:59 am-4:41 pm

1 stop8h 42m

Seattle/Tacoma Intl

Tue 8/25

5:00 am-2:35 pm

1 stop7h 35m

$477

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Sat 8/22

12:37 pm-7:57 pm

1 stop9h 20m

Seattle/Tacoma Intl

Tue 8/25

5:00 am-2:35 pm

1 stop7h 35m

$477

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Tue 9/15

5:00 am-10:33 am

1 stop7h 33m

Seattle/Tacoma Intl

Sun 9/27

8:40 am-6:45 pm

1 stop8h 05m

$986

KilleenSeattle

GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl

GRKSEA

Killeen Fort Hood Regional

Tue 9/22

5:00 am-10:33 am

1 stop7h 33m

Seattle/Tacoma Intl

Sun 9/27

8:40 am-6:45 pm

1 stop8h 05m

$986

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 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 is the most popular carrier operating from Killeen Fort Hood Regional to Seattle/Tacoma Intl

What airlines fly to Seattle?

Alaska Airlines, Delta and Frontier 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 35m
Direct flights	None

The fastest flight from Killeen to Seattle takes 6h 35m

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

Search flight deals

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 35m 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 August 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 $456	Free Cancellation	Rating 7.1 11,889 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Puyallup

Fife

Federal Way

Tukwila

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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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.