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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 1/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:31 am - 11:18 amSEA-GRK
8h 47m1 stop
American Airlines Logo
4:10 pm - 9:13 pmGRK-SEA
7h 03m1 stop
$446American Airlines
Find Deal
Wed, Dec 3 - Thu, Dec 11
American Airlines Logo
2:19 pm - 10:18 pmSEA-GRK
5h 59m1 stop
American Airlines Logo
6:32 pm - 12:57 amGRK-SEA
8h 25m1 stop
$546American Airlines
Find Deal
Sat, Dec 13 - Sat, Jan 3
American Airlines Logo
12:31 am - 11:20 amSEA-GRK
8h 49m1 stop
American Airlines Logo
6:32 pm - 11:07 pmGRK-SEA
6h 35m1 stop
$582American Airlines
Find Deal
Sun, Dec 14 - Sun, Dec 21
Alaska Airlines Logo
12:45 am - 9:25 amSEA-GRK
6h 40m1 stop
Alaska Airlines Logo
6:32 pm - 12:02 amGRK-SEA
7h 30m1 stop
$616Alaska Airlines
Find Deal
Fri, Dec 12 - Sat, Jan 3
Alaska Airlines Logo
1:07 am - 10:01 amSEA-GRK
6h 54m1 stop
Alaska Airlines Logo
4:10 pm - 10:30 pmGRK-SEA
8h 20m1 stop
$689Alaska Airlines
Find Deal
Fri, Nov 21 - Wed, Nov 26
American Airlines Logo
6:07 pm - 10:52 amSEA-GRK
14h 45m2 stops
American Airlines Logo
6:32 am - 11:08 pmGRK-SEA
18h 36m2 stops
$708American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
12:58 am - 10:03 amSEA-GRK
7h 05m1 stop
Alaska Airlines Logo
6:05 am - 11:58 amGRK-SEA
7h 53m1 stop
$709Alaska Airlines
Find Deal
Tue, Nov 18 - Sun, Nov 23
American Airlines Logo
6:07 pm - 10:52 amSEA-GRK
14h 45m2 stops
American Airlines Logo
5:24 am - 12:31 pmGRK-SEA
9h 07m1 stop
$718American 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
$726American 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 - 9:27 amGRK-SEA
6h 03m1 stop
$736American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11

American Airlines flights from Seattle to Killeen

Our best American Airlines deals on Seattle to Killeen flight tickets
American Airlines
Dec 3
SEA12:31 amSeattle/Tacoma Intl
8h 47m
1 stop
GRK11:18 amKilleen Fort Hood Regional
Dec 11
GRK4:10 pmKilleen Fort Hood Regional
7h 03m
1 stop
SEA9:13 pmSeattle/Tacoma Intl
$446
Find similar
American Airlines
Dec 13
SEA2:19 pmSeattle/Tacoma Intl
5h 59m
1 stop
GRK10:18 pmKilleen Fort Hood Regional
Jan 3
GRK6:32 pmKilleen Fort Hood Regional
8h 25m
1 stop
SEA12:57 amSeattle/Tacoma Intl
$546
Find similar
American Airlines
Dec 14
SEA12:31 amSeattle/Tacoma Intl
8h 49m
1 stop
GRK11:20 amKilleen Fort Hood Regional
Dec 21
GRK6:32 pmKilleen Fort Hood Regional
6h 35m
1 stop
SEA11:07 pmSeattle/Tacoma Intl
$582
Find similar

Alaska Airlines flights from Seattle to Killeen

Our best Alaska Airlines deals on Seattle to Killeen flight tickets
Alaska Airlines
Dec 12
SEA12:45 amSeattle/Tacoma Intl
6h 40m
1 stop
GRK9:25 amKilleen Fort Hood Regional
Jan 3
GRK6:32 pmKilleen Fort Hood Regional
7h 30m
1 stop
SEA12:02 amSeattle/Tacoma Intl
$616
Find similar
Alaska Airlines
Nov 21
SEA1:07 amSeattle/Tacoma Intl
6h 54m
1 stop
GRK10:01 amKilleen Fort Hood Regional
Nov 26
GRK4:10 pmKilleen Fort Hood Regional
8h 20m
1 stop
SEA10:30 pmSeattle/Tacoma Intl
$689
Find similar
Alaska Airlines
Nov 18
SEA12:58 amSeattle/Tacoma Intl
7h 05m
1 stop
GRK10:03 amKilleen Fort Hood Regional
Nov 23
GRK6:05 amKilleen Fort Hood Regional
7h 53m
1 stop
SEA11:58 amSeattle/Tacoma Intl
$709
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 7, 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 12/3

12:31 am-11:18 am

1 stop8h 47m

Killeen Fort Hood Regional

Thu 12/11

4:10 pm-9:13 pm

1 stop7h 03m

$446

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sat 12/13

2:19 pm-10:18 pm

1 stop5h 59m

Killeen Fort Hood Regional

Sat 1/3

6:32 pm-12:57 am

1 stop8h 25m

$546

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 12/14

12:31 am-11:20 am

1 stop8h 49m

Killeen Fort Hood Regional

Sun 12/21

6:32 pm-11:07 pm

1 stop6h 35m

$582

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Fri 12/12

12:45 am-9:25 am

1 stop6h 40m

Killeen Fort Hood Regional

Sat 1/3

6:32 pm-12:02 am

1 stop7h 30m

$616

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Fri 11/21

1:07 am-10:01 am

1 stop6h 54m

Killeen Fort Hood Regional

Wed 11/26

4:10 pm-10:30 pm

1 stop8h 20m

$689

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 3/9

6:07 pm-10:52 am

2 stops14h 45m

Killeen Fort Hood Regional

Wed 3/11

6:32 am-11:08 pm

2 stops18h 36m

$708

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Tue 11/18

12:58 am-10:03 am

1 stop7h 05m

Killeen Fort Hood Regional

Sun 11/23

6:05 am-11:58 am

1 stop7h 53m

$709

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 3/9

6:07 pm-10:52 am

2 stops14h 45m

Killeen Fort Hood Regional

Wed 3/11

5:24 am-12:31 pm

1 stop9h 07m

$718

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

$726

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-9:27 am

1 stop6h 03m

$736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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.
Search flight deals

  • 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
11,044 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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