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Killeen

$467+ Cheap flights from Seattle to Killeen (SEA - GRK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GRK
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:31 amSEA - GRK
1 stop8h 49mAmerican Airlines
Sun 12/2111:57 amGRK - SEA
1 stop9h 15mAmerican Airlines
Deal found 12/11$666
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:51 pmSEA - GRK
1 stop8h 12mAmerican Airlines
Tue 12/1610:47 amGRK - SEA
1 stop9h 04mAmerican Airlines
Deal found 12/10$825
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/251:07 amSEA - GRK
1 stop6h 44mAlaska Airlines
Tue 12/306:32 pmGRK - SEA
1 stop7h 30mAlaska Airlines
Deal found 12/11$987
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 12/241:07 amSEA - GRK
1 stop6h 44mAlaska Airlines
Mon 12/297:11 amGRK - SEA
1 stop6h 48mAlaska Airlines
Deal found 12/10$1,084

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$467
(Alaska Airlines)

Popular in

November

Cheapest in

March

Average price

$679
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
Highest demand for flights based on searches. 22% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
Use the filters below to find and compare flights from Seattle to Killeen that are best for you.

Fly from

Seattle

Fly to

Killeen

Route

Depart

Return

Price

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sat 2/7

9:52 am-6:53 pm

1 stop7h 01m

Killeen Fort Hood Regional

Wed 2/11

12:31 pm-5:58 pm

1 stop7h 27m

$467

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Thu 2/12

12:59 am-9:41 am

1 stop6h 42m

Killeen Fort Hood Regional

Mon 2/16

6:37 pm-12:59 am

1 stop8h 22m

$562

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

6:00 am-10:59 am

1 stop6h 59m

$666

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Sun 12/14

11:51 pm-10:03 am

1 stop8h 12m

Killeen Fort Hood Regional

Tue 12/16

10:47 am-5:51 pm

1 stop9h 04m

$825

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Thu 12/25

1:07 am-9:51 am

1 stop6h 44m

Killeen Fort Hood Regional

Tue 12/30

6:32 pm-12:02 am

1 stop7h 30m

$987

SeattleKilleen

SEA - GRK

SEAGRK

Seattle/Tacoma Intl

Wed 12/24

1:07 am-9:51 am

1 stop6h 44m

Killeen Fort Hood Regional

Mon 12/29

7:11 am-11:59 am

1 stop6h 48m

$1,084

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Killeen flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Killeen

What is the cheapest month to book a flight from Seattle to Killeen?

Currently, August is the cheapest month in which you can book a flight from Seattle to Killeen (average of $123). Flying from Seattle to Killeen in July is currently the most expensive (average of $257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to GRK?

Find hourly flight availability from Seattle to Killeen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from Seattle to Killeen is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 25% on airfare.

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 December 12, 2025.
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
7.2
Good
11,050 reviews

Crew

8.0

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

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 6h 42m. Seattle and Killeen are separated by a distance of 1717 mi. This flight may include one or multiple stops.

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

    According to our current data, American Airlines ($326), offers the cheapest pricing from Seattle to Killeen. This flight start at 40% 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.

  • What is the cheapest month to book a flight from Seattle to Killeen?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Killeen (average of $123). Flying from Seattle to Killeen in July is currently the most expensive (average of $257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Killeen?

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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$496FlexibilityNo cancel feeOn-time71%

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