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Cheap flights from Seattle to Killeen from $407

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Killeen departing on 1/31. 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.
Alaska Airlines Logo
8:23 am - 6:53 pm
SEA
-
GRK
8h 30m1 stop
Alaska Airlines Logo
7:00 am - 12:39 pm
GRK
-
SEA
7h 39m1 stop
$407Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
American Airlines Logo
5:43 am - 3:24 pm
SEA
-
GRK
7h 41m1 stop
American Airlines Logo
7:13 am - 1:15 pm
GRK
-
SEA
8h 02m1 stop
$565American Airlines
Sun, Apr 19 - Sat, Apr 25
American Airlines Logo
7:00 am - 3:24 pm
SEA
-
GRK
6h 24m1 stop
American Airlines Logo
10:07 am - 5:48 pm
GRK
-
SEA
9h 41m2 stops
$1,860American Airlines
Sun, Apr 19 - Sat, Apr 25
Alaska Airlines Logo
9:52 am - 6:53 pm
SEA
-
GRK
7h 01m1 stop
Alaska Airlines Logo
5:21 am - 10:38 am
GRK
-
SEA
7h 17m1 stop
$3,541Alaska Airlines
Sun, Jan 11 - Thu, Jan 15

American Airlines flights from Seattle to Killeen

Our best American Airlines deals on Seattle to Killeen flight tickets
American Airlines
Apr 19
SEA5:43 amSeattle/Tacoma Intl
7h 41m
1 stop
GRK3:24 pmKilleen Fort Hood Regional
Apr 25
GRK7:13 amKilleen Fort Hood Regional
8h 02m
1 stop
SEA1:15 pmSeattle/Tacoma Intl
$565
Find similar
American Airlines
Apr 19
SEA7:00 amSeattle/Tacoma Intl
6h 24m
1 stop
GRK3:24 pmKilleen Fort Hood Regional
Apr 25
GRK10:07 amKilleen Fort Hood Regional
9h 41m
2 stops
SEA5:48 pmSeattle/Tacoma Intl
$1,860
Find similar

Alaska Airlines flights from Seattle to Killeen

Our best Alaska Airlines deals on Seattle to Killeen flight tickets
Alaska Airlines
Jan 31
SEA9:52 amSeattle/Tacoma Intl
7h 01m
1 stop
GRK6:53 pmKilleen Fort Hood Regional
Feb 4
GRK7:00 amKilleen Fort Hood Regional
7h 39m
1 stop
SEA12:39 pmSeattle/Tacoma Intl
$407
Find similar
Alaska Airlines
Dec 28
SEA1:07 amSeattle/Tacoma Intl
6h 44m
1 stop
GRK9:51 amKilleen Fort Hood Regional
Jan 4
GRK3:58 pmKilleen Fort Hood Regional
8h 32m
1 stop
SEA10:30 pmSeattle/Tacoma Intl
$1,084
Find similar
Alaska Airlines
Jan 11
SEA9:52 amSeattle/Tacoma Intl
7h 01m
1 stop
GRK6:53 pmKilleen Fort Hood Regional
Jan 15
GRK5:21 amKilleen Fort Hood Regional
7h 17m
1 stop
SEA10:38 amSeattle/Tacoma Intl
$3,541
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 December 28, 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

Sat 1/31

8:23 am-6:53 pm

1 stop8h 30m

Killeen Fort Hood Regional

Wed 2/4

7:00 am-12:39 pm

1 stop7h 39m

$407

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 4/19

5:43 am-3:24 pm

1 stop7h 41m

Killeen Fort Hood Regional

Sat 4/25

7:13 am-1:15 pm

1 stop8h 02m

$565

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 4/19

7:00 am-3:24 pm

1 stop6h 24m

Killeen Fort Hood Regional

Sat 4/25

10:07 am-5:48 pm

2 stops9h 41m

$1,860

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 1/11

9:52 am-6:53 pm

1 stop7h 01m

Killeen Fort Hood Regional

Thu 1/15

5:21 am-10:38 am

1 stop7h 17m

$3,541

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Thu 1/15

11:12 pm-10:05 am

1 stop8h 53m

$449

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Thu 1/15

7:00 am-6:53 pm

2 stops9h 53m

$536

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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.

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

Fastest flight time

5h 54m

Direct flights

None
The fastest flight from Seattle to Killeen takes 5h 54m
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 54m 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
11,072 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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