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$357+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
ago. 18 — ago. 251
lun. 8/18
lun. 8/25
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 agosto 13, 2025.

Round-trip from

$517
(Alaska Airlines)

One-way from

$357
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$650
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. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
lun. 9/154:40 pmGRK - SEA
1 stop8h 21mAlaska Airlines
vie. 9/1912:33 amSEA - GRK
1 stop7h 14mAlaska Airlines
Deal found 8/12$517
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
jue. 9/184:32 pmGRK - SEA
1 stop8h 29mAlaska Airlines
dom. 9/216:00 amSEA - GRK
1 stop8h 02mAlaska Airlines
Deal found 8/11$537
This American Airlines deal was found by Cheapflights users on 8/13. 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.
dom. 8/175:16 amGRK - SEA
1 stop6h 05mAmerican Airlines
mar. 8/191:55 pmSEA - GRK
1 stop6h 15mAmerican Airlines
Deal found 8/13$830
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
lun. 8/2510:32 amGRK - SEA
1 stop6h 43mAlaska Airlines
vie. 8/297:59 amSEA - GRK
1 stop6h 03mAlaska Airlines
Deal found 8/13$857
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
dom. 8/175:16 amGRK - SEA
1 stop8h 11mAlaska Airlines
lun. 8/1812:25 amSEA - GRK
1 stop7h 36mAlaska Airlines
Deal found 8/13$912
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
vie. 8/294:32 pmGRK - SEA
1 stop8h 22mAlaska Airlines
dom. 8/3112:33 amSEA - GRK
1 stop7h 25mAlaska Airlines
Deal found 8/12$917
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
vie. 8/295:16 amGRK - SEA
1 stop8h 18mAlaska Airlines
mié. 9/37:55 amSEA - GRK
1 stop6h 16mAlaska Airlines
Deal found 8/12$920
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
sáb. 12/205:20 amGRK - SEA
1 stop8h 39mAlaska Airlines
vie. 1/21:07 amSEA - GRK
1 stop5h 58mAlaska Airlines
Deal found 8/11$1,115
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
mar. 8/2612:11 pmGRK - SEA
1 stop7h 20mAlaska Airlines
sáb. 8/306:00 amSEA - GRK
1 stop8h 02mAlaska Airlines
Deal found 8/11$3,541

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 agosto 13, 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

mié. 10/15

6:09 pm-11:08 pm

1 stop6h 59m

Seattle/Tacoma Intl

sáb. 10/18

1:37 pm-9:33 pm

1 stop5h 56m

$517

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

lun. 9/15

4:40 pm-11:01 pm

1 stop8h 21m

Seattle/Tacoma Intl

vie. 9/19

12:33 am-9:47 am

1 stop7h 14m

$517

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

jue. 9/18

4:32 pm-11:01 pm

1 stop8h 29m

Seattle/Tacoma Intl

dom. 9/21

6:00 am-4:02 pm

1 stop8h 02m

$537

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

mar. 9/23

5:16 am-10:40 am

1 stop7h 24m

Seattle/Tacoma Intl

jue. 10/2

1:35 pm-11:27 pm

1 stop7h 52m

$537

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

vie. 9/19

4:40 pm-11:01 pm

1 stop8h 21m

Seattle/Tacoma Intl

dom. 9/21

6:00 am-4:02 pm

1 stop8h 02m

$537

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

lun. 8/25

10:32 am-3:15 pm

1 stop6h 43m

Seattle/Tacoma Intl

jue. 8/28

12:33 am-9:58 am

1 stop7h 25m

$857

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

vie. 8/29

4:32 pm-10:54 pm

1 stop8h 22m

Seattle/Tacoma Intl

dom. 8/31

12:33 am-9:58 am

1 stop7h 25m

$917

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

vie. 8/29

5:16 am-11:34 am

1 stop8h 18m

Seattle/Tacoma Intl

mié. 9/3

7:55 am-4:11 pm

1 stop6h 16m

$920

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

sáb. 12/20

5:20 am-11:59 am

1 stop8h 39m

Seattle/Tacoma Intl

vie. 1/2

1:07 am-9:05 am

1 stop5h 58m

$1,115

KilleenSeattle

GRK - SEA

GRKSEA

Killeen Fort Hood Regional

sáb. 8/30

12:11 pm-4:57 pm

1 stop6h 46m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 13 results
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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.

How much does it cost to fly round-trip from Killeen to Seattle?

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 agosto 13, 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

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Entertainment

6.9

Crew

8.0

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

Boarding

7.5

Food

6.5

Overall

7.2

Comfort

7.2

Entertainment

6.9

Crew

8.0

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.

  • 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 $517.

  • 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
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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 agosto 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$543FlexibilityNo cancel feeOn-time71%

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