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Killeen

$422+ Cheap flights from Seattle to Killeen (SEA - GRK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GRK
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap flight deals from Seattle to Killeen

Cheapest flights from Seattle to Killeen
Explore the most affordable flight options available from Seattle to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:19 pm
SEA
-
GRK
1 stop6h 33m
Alaska Airlines
Sat 10/243:16 pm
GRK
-
SEA
1 stop7h 23m
Alaska Airlines
Deal found 7/27$929
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:20 am
SEA
-
GRK
1 stop8h 02m
Alaska Airlines
Wed 11/1812:26 pm
GRK
-
SEA
1 stop7h 36m
Alaska Airlines
Deal found 7/25$931
This Alaska Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:25 pm
SEA
-
GRK
1 stop6h 34m
Alaska Airlines
Sun 8/303:05 pm
GRK
-
SEA
1 stop7h 16m
Alaska Airlines
Deal found 7/26$976
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:12 pm
SEA
-
GRK
1 stop6h 51m
Alaska Airlines
Wed 9/3012:47 pm
GRK
-
SEA
1 stop7h 31m
Alaska Airlines
Deal found 7/27$986
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:19 pm
SEA
-
GRK
1 stop6h 33m
Alaska Airlines
Thu 10/223:16 pm
GRK
-
SEA
1 stop7h 23m
Alaska Airlines
Deal found 7/27$1,045
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:59 am
SEA
-
GRK
1 stop5h 55m
Alaska Airlines
Sun 8/26:30 am
GRK
-
SEA
1 stop6h 50m
Alaska Airlines
Deal found 7/28$1,085
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:03 pm
SEA
-
GRK
1 stop8h 26m
Alaska Airlines
Fri 8/149:59 am
GRK
-
SEA
1 stop7h 24m
Alaska Airlines
Deal found 7/25$1,151

Find flight deals from Seattle to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Killeen (GRK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$929
(Alaska Airlines)

One-way from

$422
(American Airlines)

Popular in

November

Cheapest in

July

Average price

$456
Provider with most accurate pricing for Seattle/Tacoma Intl-Killeen Fort Hood Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Killeen Fort Hood Regional flights.
Search Deals
From Seattle/Tacoma Intl to Killeen Fort Hood Regional
Search Deals
One-way flight from Seattle/Tacoma Intl to Killeen Fort Hood Regional
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
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

Cheapest round-trip

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sat 11/14

8:20 am-6:22 pm

1 stop8h 02m

Killeen Fort Hood Regional

Wed 11/18

12:26 pm-6:02 pm

1 stop7h 36m

$931

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Tue 9/22

8:40 am-6:45 pm

1 stop8h 05m

Killeen Fort Hood Regional

Sun 9/27

3:09 pm-8:21 pm

1 stop7h 12m

$976
Quickest round-trip

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sat 8/29

12:25 pm-8:59 pm

1 stop6h 34m

Killeen Fort Hood Regional

Sun 8/30

3:05 pm-8:21 pm

1 stop7h 16m

$976
Cheapest one-way

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Tue 8/11

11:16 pm-9:29 am

1 stop8h 13m

$422

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Mon 8/10

5:00 am-2:35 pm

1 stop7h 35m

$494

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Fri 8/7

11:16 pm-9:29 am

1 stop8h 13m

$494

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 8/9

10:15 am-9:05 pm

1 stop8h 50m

$494

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sat 8/8

6:10 am-6:52 pm

2 stops10h 42m

$496
Quickest one-way

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sat 10/10

12:19 pm-8:52 pm

1 stop6h 33m

$529

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Tue 8/11

6:21 am-6:52 pm

2 stops10h 31m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Sorted by cheapest first

Compare providers for flights from Seattle to Killeen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Killeen in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Killeen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Killeen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Killeen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Killeen

Get insights into the airlines that provide service to Killeen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Killeen. Reviews last updated July 29, 2026.
Peruse reviews from past customers who have flown with American Airlines from Seattle to Killeen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,839 reviews

Comfort

7.2

Crew

7.9

Boarding

7.5

Entertainment

6.8

Food

6.4

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.1
Good
11,839 reviews
American Airlines
7.1
Good
11,839 reviews

Comfort

7.2

Crew

7.9

Boarding

7.5

Entertainment

6.8

Food

6.4

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Killeen?

    Departing from Seattle to Killeen will take you 8h 02m. Seattle and Killeen are separated by a distance of 1717 mi.

  • What is the cheapest airline to fly from Seattle to Killeen round-trip?

    According to our current data, American Airlines ($446), offers the cheapest pricing from Seattle to Killeen. This flight start at 24% lower than the current average price 3 months from now.

  • Can I find deals for flights from Seattle to Killeen that include hotel bookings?

    Yes. In addition to deals on Seattle to Killeen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Killeen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Killeen.

  • Can I find deals for business class flights from Seattle to Killeen?

    Yes. Cheapflights offers flight deals from Seattle to Killeen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Killeen?

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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Seattle to Killeen

Discover the top airline that operate flights from Seattle to Killeen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$446Average$574FlexibilityNo cancel feeOn-time71%

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