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 March 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.

$388 Cheap Flights from Killeen to Seattle in 2026

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Find the cheapest flights from Killeen to Seattle

Round-trip

One-way

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Cheap round-trip flights

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5:00 am - 11:27 am

GRK

SEA

8h 27m

1 stop

1:34 pm - 9:52 pm

SEA

GRK

6h 18m

1 stop

$597Alaska Airlines

Wed, Apr 29 - Wed, May 6

5:00 am - 11:27 am

GRK

SEA

8h 27m

1 stop

9:07 am - 9:52 pm

SEA

GRK

10h 45m

2 stops

$602Alaska Airlines

Wed, Apr 29 - Fri, May 8

11:58 am - 9:45 pm

GRK

SEA

11h 47m

2 stops

6:26 am - 9:52 pm

SEA

GRK

13h 26m

2 stops

$607Alaska Airlines

Fri, May 8 - Fri, May 15

4:32 pm - 10:57 pm

GRK

SEA

8h 25m

1 stop

1:15 am - 9:58 am

SEA

GRK

6h 43m

1 stop

$617Alaska Airlines

Thu, Sep 3 - Mon, Sep 7

7:09 pm - 12:44 am

GRK

SEA

7h 35m

1 stop

11:24 pm - 9:34 am

SEA

GRK

8h 10m

1 stop

$621American Airlines

Wed, May 13 - Thu, May 21

12:35 pm - 9:36 pm

GRK

SEA

11h 01m

2 stops

11:00 pm - 9:28 am

SEA

GRK

8h 28m

1 stop

$622Alaska Airlines

Wed, Aug 5 - Fri, Aug 14

1:08 pm - 10:58 pm

GRK

SEA

11h 50m

2 stops

11:24 pm - 9:34 am

SEA

GRK

8h 10m

1 stop

$626American Airlines

Wed, May 13 - Thu, May 21

12:35 pm - 9:36 pm

GRK

SEA

11h 01m

2 stops

6:21 am - 6:54 pm

SEA

GRK

10h 33m

2 stops

$627Alaska Airlines

Wed, Aug 5 - Sat, Aug 15

5:00 am - 11:27 am

GRK

SEA

8h 27m

1 stop

6:00 am - 3:24 pm

SEA

GRK

7h 24m

1 stop

$638Alaska Airlines

Wed, May 6 - Sun, May 17

3:06 pm - 8:37 pm

GRK

SEA

7h 31m

1 stop

1:15 am - 9:28 am

SEA

GRK

6h 13m

1 stop

$642Alaska Airlines

Fri, Sep 4 - Mon, Sep 7

Alaska Airlines flights from Killeen to Seattle

Our best Alaska Airlines deals on Killeen to Seattle flight tickets

Alaska Airlines

Apr 29

GRK5:00 amKilleen Fort Hood Regional

8h 27m

1 stop

SEA11:27 amSeattle/Tacoma Intl

May 11

SEA10:57 pmSeattle/Tacoma Intl

8h 38m

1 stop

GRK9:35 amKilleen Fort Hood Regional

$597

Alaska Airlines

Apr 29

GRK5:00 amKilleen Fort Hood Regional

8h 27m

1 stop

SEA11:27 amSeattle/Tacoma Intl

May 11

SEA9:07 amSeattle/Tacoma Intl

10h 45m

2 stops

GRK9:52 pmKilleen Fort Hood Regional

$602

Alaska Airlines

May 8

GRK11:58 amKilleen Fort Hood Regional

11h 47m

2 stops

SEA9:45 pmSeattle/Tacoma Intl

May 19

SEA9:00 amSeattle/Tacoma Intl

10h 52m

2 stops

GRK9:52 pmKilleen Fort Hood Regional

$607

American Airlines flights from Killeen to Seattle

Our best American Airlines deals on Killeen to Seattle flight tickets

American Airlines

Mar 24

GRK12:01 pmKilleen Fort Hood Regional

9h 24m

1 stop

SEA7:25 pmSeattle/Tacoma Intl

Mar 30

SEA12:59 amSeattle/Tacoma Intl

6h 46m

1 stop

GRK9:45 amKilleen Fort Hood Regional

$581

American Airlines

Mar 24

GRK10:15 amKilleen Fort Hood Regional

9h 37m

2 stops

SEA5:52 pmSeattle/Tacoma Intl

Mar 30

SEA12:59 amSeattle/Tacoma Intl

6h 46m

1 stop

GRK9:45 amKilleen Fort Hood Regional

$586

American Airlines

Mar 24

GRK12:01 pmKilleen Fort Hood Regional

9h 24m

1 stop

SEA7:25 pmSeattle/Tacoma Intl

Mar 31

SEA11:59 pmSeattle/Tacoma Intl

7h 46m

1 stop

GRK9:45 amKilleen Fort Hood Regional

$613

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 4/29

5:00 am-11:27 am

1 stop8h 27m

Seattle/Tacoma Intl

Wed 5/6

1:34 pm-9:52 pm

1 stop6h 18m

$597

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 4/29

5:00 am-11:27 am

1 stop8h 27m

Seattle/Tacoma Intl

Fri 5/8

9:07 am-9:52 pm

2 stops10h 45m

$602

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Fri 5/8

11:58 am-9:45 pm

2 stops11h 47m

Seattle/Tacoma Intl

Fri 5/15

6:26 am-9:52 pm

2 stops13h 26m

$607

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 9/3

4:32 pm-10:57 pm

1 stop8h 25m

Seattle/Tacoma Intl

Mon 9/7

1:15 am-9:58 am

1 stop6h 43m

$617

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 5/13

7:09 pm-12:44 am

1 stop7h 35m

Seattle/Tacoma Intl

Thu 5/21

11:24 pm-9:34 am

1 stop8h 10m

$621

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 8/5

12:35 pm-9:36 pm

2 stops11h 01m

Seattle/Tacoma Intl

Fri 8/14

11:00 pm-9:28 am

1 stop8h 28m

$622

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 5/13

1:08 pm-10:58 pm

2 stops11h 50m

Seattle/Tacoma Intl

Thu 5/21

11:24 pm-9:34 am

1 stop8h 10m

$626

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 8/5

12:35 pm-9:36 pm

2 stops11h 01m

Seattle/Tacoma Intl

Sat 8/15

6:21 am-6:54 pm

2 stops10h 33m

$627

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 5/6

5:00 am-11:27 am

1 stop8h 27m

Seattle/Tacoma Intl

Sun 5/17

6:00 am-3:24 pm

1 stop7h 24m

$638

Quickest round-trip

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Fri 9/4

3:06 pm-8:37 pm

1 stop7h 31m

Seattle/Tacoma Intl

Mon 9/7

1:15 am-9:28 am

1 stop6h 13m

$642

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?

Alaska Airlines and American 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 Hawaiian 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 55% 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

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 March 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 $376	Free Cancellation	Rating 7.1 11,468 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Centralia

Kirkland

Tumwater

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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?

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