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 54% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Killeen Fort Hood Regional to Seattle/Tacoma Intl?

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

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 October 2025, 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.

$236 Cheap Flights from Killeen to Seattle in 2025/26

Q: What is the typical price of a round-trip flight between Killeen and Seattle?

Prices are currently high for flights on this route. Typical prices usually range from $355 to $562. The lowest price recently found on this route was $592.

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Find the cheapest flights from Killeen to Seattle

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:53 pm - 12:58 amGRK-SEA

8h 05m1 stop

12:59 am - 10:04 amSEA-GRK

7h 05m1 stop

$592American Airlines

Find Deal

Sun, Nov 16 - Sat, Nov 29

5:16 am - 12:30 pmGRK-SEA

9h 14m1 stop

7:44 am - 6:22 pmSEA-GRK

8h 38m1 stop

$634Alaska Airlines

Find Deal

Wed, Oct 29 - Sun, Nov 2

5:16 am - 10:36 amGRK-SEA

7h 20m1 stop

1:40 pm - 10:21 pmSEA-GRK

6h 41m1 stop

$665Alaska Airlines

Find Deal

Mon, Oct 27 - Mon, Nov 3

6:32 am - 11:08 pmGRK-SEA

18h 36m2 stops

5:45 am - 3:48 pmSEA-GRK

8h 03m1 stop

$778American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

6:32 am - 11:08 pmGRK-SEA

18h 36m2 stops

1:48 pm - 10:52 amSEA-GRK

19h 04m2 stops

$779American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

6:32 am - 11:08 pmGRK-SEA

18h 36m2 stops

7:00 am - 7:42 pmSEA-GRK

10h 42m2 stops

$783American Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

6:32 am - 12:31 pmGRK-SEA

7h 59m1 stop

1:33 am - 9:08 amSEA-GRK

5h 35m1 stop

$803American Airlines

Find Deal

Tue, Mar 10 - Tue, Mar 10

10:37 am - 6:49 pmGRK-SEA

10h 12m2 stops

1:33 am - 9:08 amSEA-GRK

5h 35m1 stop

$808American Airlines

Find Deal

Tue, Mar 10 - Tue, Mar 10

Alaska Airlines flights from Killeen to Seattle

Our best Alaska Airlines deals on Killeen to Seattle flight tickets

Alaska Airlines

Oct 29

GRK5:16 amKilleen Fort Hood Regional

9h 14m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

Nov 2

SEA7:44 amSeattle/Tacoma Intl

8h 38m

1 stop

GRK6:22 pmKilleen Fort Hood Regional

$634

Find similar

Alaska Airlines

Oct 27

GRK5:16 amKilleen Fort Hood Regional

7h 20m

1 stop

SEA10:36 amSeattle/Tacoma Intl

Nov 3

SEA1:40 pmSeattle/Tacoma Intl

6h 41m

1 stop

GRK10:21 pmKilleen Fort Hood Regional

$665

Find similar

American Airlines flights from Killeen to Seattle

Our best American Airlines deals on Killeen to Seattle flight tickets

American Airlines

Nov 16

GRK6:53 pmKilleen Fort Hood Regional

8h 05m

1 stop

SEA12:58 amSeattle/Tacoma Intl

Nov 29

SEA12:59 amSeattle/Tacoma Intl

7h 05m

1 stop

GRK10:04 amKilleen Fort Hood Regional

$592

Find similar

American Airlines

Mar 10

GRK6:32 amKilleen Fort Hood Regional

18h 36m

2 stops

SEA11:08 pmSeattle/Tacoma Intl

Mar 11

SEA5:45 amSeattle/Tacoma Intl

8h 03m

1 stop

GRK3:48 pmKilleen Fort Hood Regional

$778

Find similar

American Airlines

Mar 10

GRK6:32 amKilleen Fort Hood Regional

18h 36m

2 stops

SEA11:08 pmSeattle/Tacoma Intl

Mar 11

SEA1:48 pmSeattle/Tacoma Intl

19h 04m

2 stops

GRK10:52 amKilleen Fort Hood Regional

$779

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sun 11/16

6:53 pm-12:58 am

1 stop8h 05m

Seattle/Tacoma Intl

Sat 11/29

12:59 am-10:04 am

1 stop7h 05m

$592

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 10/29

5:16 am-12:30 pm

1 stop9h 14m

Seattle/Tacoma Intl

Sun 11/2

7:44 am-6:22 pm

1 stop8h 38m

$634

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Mon 10/27

5:16 am-10:36 am

1 stop7h 20m

Seattle/Tacoma Intl

Mon 11/3

1:40 pm-10:21 pm

1 stop6h 41m

$665

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 3/10

6:32 am-11:08 pm

2 stops18h 36m

Seattle/Tacoma Intl

Wed 3/11

5:45 am-3:48 pm

1 stop8h 03m

$778

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 3/10

6:32 am-11:08 pm

2 stops18h 36m

Seattle/Tacoma Intl

Wed 3/11

1:48 pm-10:52 am

2 stops19h 04m

$779

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 3/10

6:32 am-11:08 pm

2 stops18h 36m

Seattle/Tacoma Intl

Wed 3/11

7:00 am-7:42 pm

2 stops10h 42m

$783

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 3/10

6:32 am-12:31 pm

1 stop7h 59m

Seattle/Tacoma Intl

Tue 3/10

1:33 am-9:08 am

1 stop5h 35m

$803

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 3/10

10:37 am-6:49 pm

2 stops10h 12m

Seattle/Tacoma Intl

Tue 3/10

1:33 am-9:08 am

1 stop5h 35m

$808

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Fri 10/24

2:48 pm-8:46 pm

1 stop7h 58m

$429

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 1/1

6:00 am-11:59 am

1 stop7h 59m

$511

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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

Prices

Airlines

What is the typical price of a round-trip flight between Killeen and Seattle?

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

On average, the least expensive day to fly to Seattle from Killeen is on a Friday. momondo users have found tickets for Friday departures for as low as $276. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Killeen because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $625.

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

Flying to Seattle from Killeen at noon is the least expensive time of day to depart. momondo users have found prices as low as $360 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $473. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights	None

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. 7h 20m 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 October 2025, 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 $316	Free Cancellation	Rating 7.2 11,043 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Tukwila

Lakewood

Kirkland

Fife

Centralia

Shoreline

Cle Elum

Redmond

Westport

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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.