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$379+ Cheap flights from Killeen to Seattle (GRK - SEA)

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Killeen to Seattle

Cheapest flights from Killeen to Seattle
Explore the most affordable flight options available from Killeen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

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.
Wed 12/1011:52 amGRK - SEA
1 stop7h 59mAmerican Airlines
Tue 12/1611:34 amSEA - GRK
1 stop8h 44mAmerican Airlines
Deal found 12/10$643
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.
Wed 12/1010:33 amGRK - SEA
1 stop9h 18mAmerican Airlines
Sat 12/137:00 amSEA - GRK
2 stops12h 05mAmerican Airlines
Deal found 12/10$648
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.
Sat 12/134:10 pmGRK - SEA
1 stop6h 48mAmerican Airlines
Sat 12/1312:31 amSEA - GRK
1 stop7h 30mAmerican Airlines
Deal found 12/10$668
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.
Thu 12/116:05 amGRK - SEA
1 stop8h 32mAlaska Airlines
Tue 12/167:45 amSEA - GRK
1 stop8h 39mAlaska Airlines
Deal found 12/10$674
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.
Thu 12/115:05 amGRK - SEA
1 stop6h 37mAmerican Airlines
Sat 12/137:00 amSEA - GRK
2 stops9h 24mAmerican Airlines
Deal found 12/10$679
This Alaska Airlines deal was found by Cheapflights users on 12/8. 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 12/115:05 amGRK - SEA
1 stop7h 13mAlaska Airlines
Sun 12/1412:45 amSEA - GRK
1 stop7h 18mAlaska Airlines
Deal found 12/8$705
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.
Wed 12/1011:52 amGRK - SEA
1 stop7h 59mAmerican Airlines
Thu 12/181:52 pmSEA - GRK
1 stop6h 37mAmerican Airlines
Deal found 12/10$709
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Fri 12/266:32 pmGRK - SEA
1 stop6h 36mAmerican Airlines
Thu 1/112:59 amSEA - GRK
1 stop6h 52mAmerican Airlines
Deal found 12/9$717
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.
Thu 12/114:10 pmGRK - SEA
1 stop9h 01mAlaska Airlines
Sat 12/131:42 pmSEA - GRK
1 stop6h 36mAlaska Airlines
Deal found 12/10$720

Find flight deals from Killeen to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Seattle (SEA). 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 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$497
(Alaska Airlines)

One-way from

$379
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$1,762
Provider with most accurate pricing for Killeen Fort Hood Regional-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Seattle/Tacoma Intl flights.
Search Deals
From Killeen Fort Hood Regional to Seattle/Tacoma Intl
Search Deals
One-way flight from Killeen Fort Hood Regional to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 34% potential increase in price ($346 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease ($109 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 Killeen to Seattle 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 10, 2025.
Use the filters below to find and compare flights from Killeen to Seattle that are best for you.

Fly from

Killeen

Fly to

Seattle

Route

Depart

Return

Price

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 2/3

7:00 am-12:39 pm

1 stop7h 39m

Seattle/Tacoma Intl

Sat 2/7

8:23 am-6:53 pm

1 stop8h 30m

$497

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Fri 12/26

6:32 pm-11:08 pm

1 stop6h 36m

Seattle/Tacoma Intl

Thu 1/1

12:59 am-9:51 am

1 stop6h 52m

$717

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 4/21

5:23 am-12:24 pm

1 stop9h 01m

Seattle/Tacoma Intl

Fri 4/24

1:30 pm-11:21 pm

1 stop7h 51m

$825

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 1/7

12:31 pm-5:58 pm

1 stop7h 27m

Seattle/Tacoma Intl

Fri 1/9

9:52 am-6:53 pm

1 stop7h 01m

$825

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sun 12/21

4:00 pm-10:30 pm

1 stop8h 30m

Seattle/Tacoma Intl

Thu 12/25

7:45 am-5:56 pm

1 stop8h 11m

$897

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 1/1

6:32 pm-11:08 pm

1 stop6h 36m

$379

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Fri 1/2

6:32 pm-12:57 am

1 stop8h 25m

$379

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Mon 12/22

7:11 am-11:59 am

1 stop6h 48m

$449

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sat 1/3

11:57 am-7:14 pm

1 stop9h 17m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Killeen to Seattle

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 Killeen to Seattle in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 Killeen-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Killeen-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Killeen-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Seattle 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 Killeen-Seattle 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 Killeen to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Killeen 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 Killeen to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Killeen to Seattle (average of $137). Flying from Killeen to Seattle in July is currently the most expensive (average of $225). 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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 10, 2025.
Read through reviews of airlines operating flights from Killeen to Seattle, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,048 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
11,048 reviews
American Airlines
7.2
Good
11,048 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Killeen to Seattle. 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 Killeen to Seattle?

    Alaska Airlines and American Airlines can get you from Killeen to Seattle in just under 6h 36m. Your travel time can differ by up to 1h 03m. The distance between Killeen and Seattle is about 1717 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Killeen to Seattle round-trip from $316. American Airlines is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Killeen to Seattle 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 Killeen to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Killeen to Seattle (average of $137). Flying from Killeen to Seattle in July is currently the most expensive (average of $225). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Killeen to Seattle

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Top airline flying from Killeen to Seattle

Discover the top airline that operate flights from Killeen to Seattle. 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$316Average$631FlexibilityNo cancel feeOn-time71%

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