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Cheap flights from Seattle to Killeen from $377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Killeen departing on 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Killeen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:33 am - 9:23 amSEA-GRK
5h 50m1 stop
American Airlines Logo
6:44 pm - 12:52 amGRK-SEA
8h 08m1 stop
$446American Airlines
Find Deal
Wed, Apr 15 - Tue, Apr 21
American Airlines Logo
12:31 am - 10:03 amSEA-GRK
7h 32m1 stop
American Airlines Logo
4:00 pm - 11:07 pmGRK-SEA
9h 07m1 stop
$582American Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
American Airlines Logo
1:48 pm - 10:52 amSEA-GRK
19h 04m2 stops
American Airlines Logo
6:43 pm - 12:27 pmGRK-SEA
19h 44m2 stops
$693American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
American Airlines Logo
1:48 pm - 10:52 amSEA-GRK
19h 04m2 stops
American Airlines Logo
5:24 am - 12:31 pmGRK-SEA
9h 07m1 stop
$703American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
American Airlines Logo
1:48 pm - 10:52 amSEA-GRK
19h 04m2 stops
American Airlines Logo
6:32 am - 11:08 pmGRK-SEA
18h 36m2 stops
$704American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
10:00 am - 6:16 pmSEA-GRK
6h 16m1 stop
Alaska Airlines Logo
5:05 am - 12:37 pmGRK-SEA
9h 32m1 stop
$709Alaska Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 2
American Airlines Logo
1:33 am - 9:08 amSEA-GRK
5h 35m1 stop
American Airlines Logo
6:43 pm - 12:49 amGRK-SEA
8h 06m1 stop
$825American Airlines
Find Deal
Sun, Mar 8 - Wed, Mar 11
American Airlines Logo
1:33 am - 10:52 amSEA-GRK
7h 19m1 stop
American Airlines Logo
12:45 pm - 11:08 pmGRK-SEA
12h 23m2 stops
$830American Airlines
Find Deal
Sun, Mar 8 - Wed, Mar 11
Alaska Airlines Logo
7:28 am - 6:16 pmSEA-GRK
8h 48m1 stop
Alaska Airlines Logo
6:05 am - 11:58 amGRK-SEA
7h 53m1 stop
$1,446Alaska Airlines
Find Deal
Wed, Nov 26 - Sun, Nov 30

American Airlines flights from Seattle to Killeen

Our best American Airlines deals on Seattle to Killeen flight tickets
American Airlines
Apr 15
SEA1:33 amSeattle/Tacoma Intl
5h 50m
1 stop
GRK9:23 amKilleen Fort Hood Regional
Apr 21
GRK6:44 pmKilleen Fort Hood Regional
8h 08m
1 stop
SEA12:52 amSeattle/Tacoma Intl
$446
Find similar
American Airlines
Dec 14
SEA12:31 amSeattle/Tacoma Intl
7h 32m
1 stop
GRK10:03 amKilleen Fort Hood Regional
Dec 21
GRK4:00 pmKilleen Fort Hood Regional
9h 07m
1 stop
SEA11:07 pmSeattle/Tacoma Intl
$582
Find similar
American Airlines
Mar 9
SEA1:48 pmSeattle/Tacoma Intl
19h 04m
2 stops
GRK10:52 amKilleen Fort Hood Regional
Mar 11
GRK6:43 pmKilleen Fort Hood Regional
19h 44m
2 stops
SEA12:27 pmSeattle/Tacoma Intl
$693
Find similar

Alaska Airlines flights from Seattle to Killeen

Our best Alaska Airlines deals on Seattle to Killeen flight tickets
Alaska Airlines
Nov 28
SEA10:00 amSeattle/Tacoma Intl
6h 16m
1 stop
GRK6:16 pmKilleen Fort Hood Regional
Dec 2
GRK5:05 amKilleen Fort Hood Regional
9h 32m
1 stop
SEA12:37 pmSeattle/Tacoma Intl
$709
Find similar
Alaska Airlines
Nov 17
SEA12:58 amSeattle/Tacoma Intl
7h 19m
1 stop
GRK10:17 amKilleen Fort Hood Regional
Nov 21
GRK6:05 amKilleen Fort Hood Regional
7h 53m
1 stop
SEA11:58 amSeattle/Tacoma Intl
$825
Find similar
Alaska Airlines
Nov 26
SEA7:28 amSeattle/Tacoma Intl
8h 48m
1 stop
GRK6:16 pmKilleen Fort Hood Regional
Nov 30
GRK6:05 amKilleen Fort Hood Regional
7h 53m
1 stop
SEA11:58 amSeattle/Tacoma Intl
$1,446
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Killeen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 14, 2025.
Use the filters below to find and compare flights from Seattle to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Wed 4/15

1:33 am-9:23 am

1 stop5h 50m

Killeen Fort Hood Regional

Tue 4/21

6:44 pm-12:52 am

1 stop8h 08m

$446

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 12/14

12:31 am-10:03 am

1 stop7h 32m

Killeen Fort Hood Regional

Sun 12/21

4:00 pm-11:07 pm

1 stop9h 07m

$582

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 3/9

1:48 pm-10:52 am

2 stops19h 04m

Killeen Fort Hood Regional

Wed 3/11

6:43 pm-12:27 pm

2 stops19h 44m

$693

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 3/9

1:48 pm-10:52 am

2 stops19h 04m

Killeen Fort Hood Regional

Wed 3/11

5:24 am-12:31 pm

1 stop9h 07m

$703

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 3/9

1:48 pm-10:52 am

2 stops19h 04m

Killeen Fort Hood Regional

Wed 3/11

6:32 am-11:08 pm

2 stops18h 36m

$704

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Fri 11/28

10:00 am-6:16 pm

1 stop6h 16m

Killeen Fort Hood Regional

Tue 12/2

5:05 am-12:37 pm

1 stop9h 32m

$709

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 3/8

1:33 am-9:08 am

1 stop5h 35m

Killeen Fort Hood Regional

Wed 3/11

6:43 pm-12:49 am

1 stop8h 06m

$825

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 3/8

1:33 am-10:52 am

1 stop7h 19m

Killeen Fort Hood Regional

Wed 3/11

12:45 pm-11:08 pm

2 stops12h 23m

$830

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Wed 11/26

7:28 am-6:16 pm

1 stop8h 48m

Killeen Fort Hood Regional

Sun 11/30

6:05 am-11:58 am

1 stop7h 53m

$1,446

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 12/22

1:07 am-9:51 am

1 stop6h 44m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Killeen from

How to get the cheapest flight ticket from Seattle to Killeen

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 day to depart on your flight to Killeen?

On average, the least expensive day to fly to Killeen from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $427. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Killeen is Wednesday, with ticket prices averaging around $521.

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

According to our data, the cheapest time of day to fly to Killeen is in the morning. momondo users have found flights departing from Seattle to Killeen in the morning for as low as $415. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Killeen are more costly in the afternoon, with an average ticket price of $507. 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 Seattle to Killeen

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

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

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

Direct flights

None
There are no direct flights from Seattle to Killeen. There are no popular flight routes from Seattle to Killeen.
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  • How far is Seattle/Tacoma Intl to Killeen Fort Hood Regional by plane?

    There are 1725.2 mi between Seattle/Tacoma Intl and Killeen Fort Hood Regional. 5h 35m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Killeen Fort Hood Regional Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

    The necessary travel and health documents for your Killeen Fort Hood Regional Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Killeen?

Best airlines flying from Seattle to Killeen

Compare and see reviews for airlines that fly from Seattle to Killeen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $326Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

Traveling to a place near Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
Salado
Copperas Cove
Fort Hood

Why use momondo?

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

Finding the right flight to Killeen from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Killeen quick and easy, saving you time and money.

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

Flights from Seattle to Killeen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Seattle to Killeen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Killeen from Seattle 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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