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$578+ Cheap flights from Killeen to Seattle (GRK - SEA)

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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap 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 November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$656
(Alaska Airlines)

Popular in

August

Cheapest in

January

Average price

$734
Provider with most accurate pricing for Killeen Fort Hood Regional-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Seattle/Tacoma Intl flights.
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From Killeen Fort Hood Regional to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 17, 2025.

This American Airlines deal was found by Cheapflights users on 11/16. 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 11/216:50 pmGRK - SEA
1 stop6h 15mAmerican Airlines
Fri 11/2112:59 amSEA - GRK
1 stop7h 02mAmerican Airlines
Deal found 11/16$578
This Alaska Airlines deal was found by Cheapflights users on 11/16. 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 11/214:10 pmGRK - SEA
2 stops16h 51mAlaska Airlines
Sat 11/2210:00 amSEA - GRK
1 stop6h 16mAlaska Airlines
Deal found 11/16$756
This Alaska Airlines deal was found by Cheapflights users on 11/15. 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 11/1911:52 amGRK - SEA
1 stop7h 29mAlaska Airlines
Thu 11/201:07 amSEA - GRK
1 stop6h 57mAlaska Airlines
Deal found 11/15$825

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 November 17, 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

Thu 1/15

5:21 am-10:38 am

1 stop7h 17m

Seattle/Tacoma Intl

Mon 1/19

9:52 am-6:53 pm

1 stop7h 01m

$656

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Tue 3/10

5:24 am-12:31 pm

1 stop9h 07m

Seattle/Tacoma Intl

Tue 3/10

1:33 am-9:08 am

1 stop5h 35m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

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 November.
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 $226). 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 November 17, 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
11,050 reviews

Crew

8.0

Comfort

7.2

Food

6.4

Overall

7.2

Boarding

7.5

Entertainment

6.9

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
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Comfort

7.2

Food

6.4

Overall

7.2

Boarding

7.5

Entertainment

6.9

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 7h 17m. Your travel time can differ by up to 1h 50m. 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 42% 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 $226). 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
SeaTac
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$316Average$543FlexibilityNo cancel feeOn-time71%

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