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$402+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$427
(American Airlines)

One-way from

$402
(American Airlines)

Popular in

August

Cheapest in

November

Average price

$466
From Killeen Fort Hood Regional to Seattle/Tacoma Intl
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One-way flight from Killeen Fort Hood Regional to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 18% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:33 amGRK - SEA
1 stop6h 15mAmerican Airlines
Sat 11/111:42 amSEA - GRK
1 stop7h 51mAmerican Airlines
Deal found 7/26$427
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.
Mon 8/184:32 pmGRK - SEA
1 stop8h 27mAlaska Airlines
Sun 8/2412:33 amSEA - GRK
1 stop7h 28mAlaska Airlines
Deal found 7/26$517

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 July 28, 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 10/30

10:33 am-2:48 pm

1 stop6h 15m

Seattle/Tacoma Intl

Sat 11/1

11:42 am-9:33 pm

1 stop7h 51m

$427

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Mon 8/18

4:32 pm-10:59 pm

1 stop8h 27m

Seattle/Tacoma Intl

Sun 8/24

12:33 am-10:01 am

1 stop7h 28m

$517

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sat 8/2

10:31 am-4:55 pm

1 stop8h 24m

$402

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sun 8/3

5:16 am-11:27 am

1 stop8h 11m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 $238). Flying from Killeen to Seattle in June is currently the most expensive (average of $389). 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 July 28, 2025.
Read through reviews of airlines operating flights from Killeen to Seattle, such as Alaska Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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.

  • What are the cheapest airlines flying from Killeen to Seattle round-trip?

    Cheapflights users have booked flights from Killeen to Seattle round-trip from $427. Another airline that can offer you cheap pricing is Alaska Airlines. American Airlines is priced at 14% 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 $238). Flying from Killeen to Seattle in June is currently the most expensive (average of $389). 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
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
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Issaquah
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Federal Way
Shelton

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$543FlexibilityNo cancel feeOn-time71%

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