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Cheap flights from Seattle to Killeen from $402

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 10/24. 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

American Airlines Logo
1:50 pm - 10:32 pmSEA-GRK
6h 42m1 stop
American Airlines Logo
4:40 pm - 9:23 pmGRK-SEA
6h 43m1 stop
$513American Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
Alaska Airlines Logo
12:59 am - 10:06 amSEA-GRK
7h 07m1 stop
Alaska Airlines Logo
6:13 pm - 11:08 pmGRK-SEA
6h 55m1 stop
$652Alaska Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
5:26 am - 4:10 pmSEA-GRK
8h 44m1 stop
American Airlines Logo
11:34 am - 4:53 pmGRK-SEA
7h 19m1 stop
$655American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
American Airlines Logo
11:04 am - 11:50 pmSEA-GRK
10h 46m2 stops
American Airlines Logo
6:13 pm - 10:59 pmGRK-SEA
6h 46m1 stop
$657American Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Alaska Airlines Logo
6:00 am - 4:02 pmSEA-GRK
8h 02m1 stop
Alaska Airlines Logo
4:32 pm - 11:01 pmGRK-SEA
8h 29m1 stop
$665Alaska Airlines
Find Deal
Thu, Sep 25 - Sun, Sep 28
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
$770American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
American Airlines Logo
6:07 pm - 10:52 amSEA-GRK
14h 45m2 stops
American Airlines Logo
6:32 am - 10:31 amGRK-SEA
5h 59m1 stop
$778American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
American Airlines Logo
11:59 pm - 7:42 pmSEA-GRK
17h 43m2 stops
American Airlines Logo
6:32 am - 11:08 pmGRK-SEA
18h 36m2 stops
$791American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
American Airlines Logo
11:59 pm - 3:48 pmSEA-GRK
13h 49m2 stops
American Airlines Logo
6:32 am - 12:31 pmGRK-SEA
7h 59m1 stop
$799American Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 11
American Airlines Logo
1:33 am - 10:52 amSEA-GRK
7h 19m1 stop
American Airlines Logo
12:45 pm - 6:54 pmGRK-SEA
8h 09m1 stop
$830American Airlines
Find Deal
Sun, Mar 8 - Wed, Mar 11

Alaska Airlines flights from Seattle to Killeen

Our best Alaska Airlines deals on Seattle to Killeen flight tickets
Alaska Airlines
Oct 16
SEA12:59 amSeattle/Tacoma Intl
7h 07m
1 stop
GRK10:06 amKilleen Fort Hood Regional
Oct 20
GRK6:13 pmKilleen Fort Hood Regional
6h 55m
1 stop
SEA11:08 pmSeattle/Tacoma Intl
$652
Find similar
Alaska Airlines
Sep 25
SEA6:00 amSeattle/Tacoma Intl
8h 02m
1 stop
GRK4:02 pmKilleen Fort Hood Regional
Sep 28
GRK4:32 pmKilleen Fort Hood Regional
8h 29m
1 stop
SEA11:01 pmSeattle/Tacoma Intl
$665
Find similar
Alaska Airlines
Sep 18
SEA9:24 amSeattle/Tacoma Intl
8h 19m
1 stop
GRK7:43 pmKilleen Fort Hood Regional
Sep 21
GRK4:32 pmKilleen Fort Hood Regional
8h 29m
1 stop
SEA11:01 pmSeattle/Tacoma Intl
$745
Find similar

American Airlines flights from Seattle to Killeen

Our best American Airlines deals on Seattle to Killeen flight tickets
American Airlines
Sep 24
SEA1:50 pmSeattle/Tacoma Intl
6h 42m
1 stop
GRK10:32 pmKilleen Fort Hood Regional
Sep 30
GRK4:40 pmKilleen Fort Hood Regional
6h 43m
1 stop
SEA9:23 pmSeattle/Tacoma Intl
$513
Find similar
American Airlines
Sep 26
SEA5:26 amSeattle/Tacoma Intl
8h 44m
1 stop
GRK4:10 pmKilleen Fort Hood Regional
Sep 29
GRK11:34 amKilleen Fort Hood Regional
7h 19m
1 stop
SEA4:53 pmSeattle/Tacoma Intl
$655
Find similar
American Airlines
Oct 17
SEA11:04 amSeattle/Tacoma Intl
10h 46m
2 stops
GRK11:50 pmKilleen Fort Hood Regional
Oct 19
GRK6:13 pmKilleen Fort Hood Regional
6h 46m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$657
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 September 11, 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 9/24

1:50 pm-10:32 pm

1 stop6h 42m

Killeen Fort Hood Regional

Tue 9/30

4:40 pm-9:23 pm

1 stop6h 43m

$513

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Thu 10/16

12:59 am-10:06 am

1 stop7h 07m

Killeen Fort Hood Regional

Mon 10/20

6:13 pm-11:08 pm

1 stop6h 55m

$652

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Fri 9/26

5:26 am-4:10 pm

1 stop8h 44m

Killeen Fort Hood Regional

Mon 9/29

11:34 am-4:53 pm

1 stop7h 19m

$655

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Fri 10/17

11:04 am-11:50 pm

2 stops10h 46m

Killeen Fort Hood Regional

Sun 10/19

6:13 pm-10:59 pm

1 stop6h 46m

$657

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Thu 9/25

6:00 am-4:02 pm

1 stop8h 02m

Killeen Fort Hood Regional

Sun 9/28

4:32 pm-11:01 pm

1 stop8h 29m

$665

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

$770

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-10:31 am

1 stop5h 59m

$778

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 3/9

11:59 pm-7:42 pm

2 stops17h 43m

Killeen Fort Hood Regional

Wed 3/11

6:32 am-11:08 pm

2 stops18h 36m

$791

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 3/9

11:59 pm-3:48 pm

2 stops13h 49m

Killeen Fort Hood Regional

Wed 3/11

6:32 am-12:31 pm

1 stop7h 59m

$799

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-6:54 pm

1 stop8h 09m

$830

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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. 6h 42m 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
10,000 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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