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$300+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
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 September 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$447
(American Airlines)

One-way from

$300
(Alaska Airlines)

Popular in

August

Cheapest in

October
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
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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. 17% potential increase in price ($106 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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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 September 30, 2025.

This American Airlines deal was found by Cheapflights users on 9/29. 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 12/177:15 pmGRK - SEA
1 stop6h 44mAmerican Airlines
Tue 12/3011:59 pmSEA - GRK
1 stop7h 52mAmerican Airlines
Deal found 9/29$447
This American Airlines deal was found by Cheapflights users on 9/29. 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 11/164:10 pmGRK - SEA
1 stop8h 55mAmerican Airlines
Fri 11/2812:59 amSEA - GRK
1 stop7h 02mAmerican Airlines
Deal found 9/29$532
This American Airlines deal was found by Cheapflights users on 9/29. 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 11/224:10 pmGRK - SEA
1 stop7h 06mAmerican Airlines
Wed 11/2611:59 pmSEA - GRK
1 stop7h 42mAmerican Airlines
Deal found 9/29$537
This American Airlines deal was found by Cheapflights users on 9/29. 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 11/226:50 pmGRK - SEA
1 stop8h 08mAmerican Airlines
Mon 11/246:30 amSEA - GRK
2 stops9h 46mAmerican Airlines
Deal found 9/29$542
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:05 amGRK - SEA
1 stop9h 01mAmerican Airlines
Fri 12/2612:59 amSEA - GRK
1 stop6h 52mAmerican Airlines
Deal found 9/28$550
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 10/236:13 pmGRK - SEA
1 stop6h 55mAlaska Airlines
Thu 10/301:40 pmSEA - GRK
1 stop6h 14mAlaska Airlines
Deal found 9/29$577
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/910:36 amGRK - SEA
1 stop8h 17mAmerican Airlines
Mon 10/133:43 pmSEA - GRK
1 stop6h 07mAmerican Airlines
Deal found 9/30$665
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 10/106:13 pmGRK - SEA
1 stop6h 55mAlaska Airlines
Sun 10/1212:59 amSEA - GRK
1 stop7h 07mAlaska Airlines
Deal found 9/30$709

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 September 30, 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

Wed 12/17

7:15 pm-11:59 pm

1 stop6h 44m

Seattle/Tacoma Intl

Tue 12/30

11:59 pm-9:51 am

1 stop7h 52m

$447

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sun 2/15

6:44 pm-12:57 am

1 stop8h 13m

Seattle/Tacoma Intl

Sat 3/7

1:33 am-10:52 am

1 stop6h 19m

$522

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sun 11/16

4:10 pm-11:05 pm

1 stop8h 55m

Seattle/Tacoma Intl

Fri 11/28

12:59 am-10:01 am

1 stop7h 02m

$532

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sat 11/22

4:10 pm-9:16 pm

1 stop7h 06m

Seattle/Tacoma Intl

Wed 11/26

11:59 pm-9:41 am

1 stop7h 42m

$537

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Sat 11/22

6:50 pm-11:05 pm

1 stop6h 15m

Seattle/Tacoma Intl

Sun 11/23

12:59 am-10:04 am

1 stop7h 05m

$537

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 12/17

7:15 pm-11:59 pm

1 stop6h 44m

Seattle/Tacoma Intl

Sat 12/27

11:59 pm-9:51 am

1 stop7h 52m

$542

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 10/23

6:13 pm-11:08 pm

1 stop6h 55m

Seattle/Tacoma Intl

Thu 10/30

1:40 pm-9:54 pm

1 stop6h 14m

$577

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 10/8

6:09 pm-11:08 pm

1 stop6h 59m

$300

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Wed 10/8

5:16 am-2:59 pm

2 stops11h 43m

$305

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

Thu 10/9

12:34 pm-7:29 pm

1 stop8h 55m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 17 results
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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 September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Seattle flight deals on Cheapflights vs. FlightHub >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 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 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 $238). Flying from Killeen to Seattle in June is currently the most expensive (average of $388). 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 September 30, 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
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Food

6.4

Overall

7.2

Comfort

7.2

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?

    American Airlines can get you from Killeen to Seattle in just under 6h 44m. Your travel time can differ by up to . The distance between Killeen and Seattle is about 1717 mi.

  • 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 35% 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 $388). 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
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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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 September 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$316Average$596FlexibilityNo cancel feeOn-time71%

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