$254+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
May 3 — May 101
Round-trip
1 adult, Economy
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Find cheap flights from Killeen to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Killeen to SeattleExplore 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 April 3, 2026.
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 April 3, 2026.
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 5/57:13 am
GRK
- SEA
1 stop8h 02m
American Airlines
Fri 5/812:59 am
SEA
- GRK
1 stop6h 36m
American Airlines
Deal found 4/2![American Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/61:08 pm
GRK
- SEA
2 stops9h 05m
American Airlines
Sat 5/911:55 pm
SEA
- GRK
1 stop7h 40m
American Airlines
Deal found 4/2![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/235:00 am
GRK
- SEA
1 stop6h 35m
American Airlines
Wed 4/292:10 pm
SEA
- GRK
1 stop7h 36m
American Airlines
Deal found 3/31![American Airlines logo]()
$606
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/53:54 pm
GRK
- SEA
1 stop9h 21m
Alaska Airlines
Sat 5/98:16 am
SEA
- GRK
1 stop8h 27m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 9/412:35 pm
GRK
- SEA
1 stop7h 34m
Alaska Airlines
Tue 9/812:22 pm
SEA
- GRK
1 stop6h 47m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$651
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 9/33:06 pm
GRK
- SEA
1 stop7h 13m
Alaska Airlines
Mon 9/710:58 pm
SEA
- GRK
1 stop8h 30m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$652
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 9/47:22 pm
GRK
- SEA
1 stop6h 53m
American Airlines
Wed 9/98:42 am
SEA
- GRK
2 stops8h 12m
American Airlines
Deal found 3/30![American Airlines logo]()
$657
Best flights from Killeen to SeattleDiscover carefully curated flight deals from Killeen to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
Discover carefully curated flight deals from Killeen to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Fri 4/243:54 pm
GRK
- SEA
1 stop9h 21m
Alaska Airlines
Mon 4/271:34 pm
SEA
- GRK
1 stop6h 18m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/53:54 pm
GRK
- SEA
1 stop9h 21m
Alaska Airlines
Sat 5/98:16 am
SEA
- GRK
1 stop8h 27m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 9/210:04 am
GRK
- SEA
1 stop7h 21m
Alaska Airlines
Wed 9/96:00 am
SEA
- GRK
1 stop6h 39m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 9/312:35 pm
GRK
- SEA
1 stop7h 34m
Alaska Airlines
Wed 9/96:00 am
SEA
- GRK
1 stop6h 39m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 9/210:04 am
GRK
- SEA
1 stop7h 21m
Alaska Airlines
Tue 9/812:22 pm
SEA
- GRK
1 stop6h 47m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 9/310:04 am
GRK
- SEA
1 stop7h 21m
Alaska Airlines
Tue 9/812:22 pm
SEA
- GRK
1 stop6h 47m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Mon 4/273:54 pm
GRK
- SEA
1 stop9h 21m
Alaska Airlines
Sat 5/211:54 am
SEA
- GRK
1 stop7h 58m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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 4/3011:58 am
GRK
- SEA
2 stops11h 47m
Alaska Airlines
Mon 5/189:00 am
SEA
- GRK
2 stops10h 52m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$617
Last-minute flights from Killeen to SeattleDiscover last-minute flight deals from Killeen to Seattle. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Seattle. Data last updated April 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/3. 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 4/33:59 pm
GRK
- SEA
1 stop7h 17m
American Airlines
Mon 4/611:59 pm
SEA
- GRK
1 stop7h 36m
American Airlines
Deal found 4/3![American Airlines logo]()
$675
This American Airlines deal was found by Cheapflights users on 3/31. 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 4/235:00 am
GRK
- SEA
1 stop6h 35m
American Airlines
Wed 4/292:10 pm
SEA
- GRK
1 stop7h 36m
American Airlines
Deal found 3/31![American Airlines logo]()
$606
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Sat 4/255:00 am
GRK
- SEA
1 stop8h 27m
Alaska Airlines
Fri 5/11:34 pm
SEA
- GRK
1 stop6h 18m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$680
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/21:08 pm
GRK
- SEA
1 stop6h 56m
Alaska Airlines
Sat 5/168:40 am
SEA
- GRK
1 stop8h 03m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$706
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 5/57:13 am
GRK
- SEA
1 stop8h 02m
American Airlines
Fri 5/812:59 am
SEA
- GRK
1 stop6h 36m
American Airlines
Deal found 4/2![American Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/53:54 pm
GRK
- SEA
1 stop9h 21m
Alaska Airlines
Sat 5/98:16 am
SEA
- GRK
1 stop8h 27m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 4/2. 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 5/61:08 pm
GRK
- SEA
2 stops9h 05m
American Airlines
Sat 5/911:55 pm
SEA
- GRK
1 stop7h 40m
American Airlines
Deal found 4/2![American Airlines logo]()
$585
One-way flights from Killeen to SeattleSearch for one-way flight options from Killeen to Seattle. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from Killeen to Seattle. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/35:00 am
GRK
- SEA
1 stop6h 35m
American Airlines
Deal found 3/31![American Airlines logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/291:08 pm
GRK
- SEA
1 stop6h 56m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 4/295:00 am
GRK
- SEA
2 stops10h 54m
American Airlines
Deal found 3/30![American Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/307:13 am
GRK
- SEA
2 stops12h 36m
American Airlines
Deal found 3/30![American Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 4/303:54 pm
GRK
- SEA
1 stop9h 21m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$479
This Expedia deal was found by Cheapflights users on 3/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:06 am
GRK
- SEA
2 stops12h 30m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 5/33:54 pm
GRK
- SEA
2 stops19h 32m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 6/2010:04 am
GRK
- SEA
1 stop7h 19m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$524
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $507 (American Airlines) |
One-way from | $254 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $416 |
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 April 3, 2026.
Use the filters below to find and compare flights from Killeen to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Fri 4/24
3:54 pm-11:15 pm
1 stop9h 21m
Seattle/Tacoma Intl
Mon 4/27
1:34 pm-9:52 pm
1 stop6h 18m
$607
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Tue 5/5
3:54 pm-11:15 pm
1 stop9h 21m
Seattle/Tacoma Intl
Sat 5/9
8:16 am-6:43 pm
1 stop8h 27m
$607
Quickest round-trip
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Wed 9/2
10:04 am-3:25 pm
1 stop7h 21m
Seattle/Tacoma Intl
Wed 9/9
6:00 am-2:39 pm
1 stop6h 39m
$607
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Thu 9/3
12:35 pm-6:09 pm
1 stop7h 34m
Seattle/Tacoma Intl
Wed 9/9
6:00 am-2:39 pm
1 stop6h 39m
$607
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Wed 9/2
10:04 am-3:25 pm
1 stop7h 21m
Seattle/Tacoma Intl
Tue 9/8
12:22 pm-9:09 pm
1 stop6h 47m
$607
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Thu 9/3
10:04 am-3:25 pm
1 stop7h 21m
Seattle/Tacoma Intl
Tue 9/8
12:22 pm-9:09 pm
1 stop6h 47m
$607
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Mon 4/27
3:54 pm-11:15 pm
1 stop9h 21m
Seattle/Tacoma Intl
Sat 5/2
11:54 am-9:52 pm
1 stop7h 58m
$607
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Thu 4/30
11:58 am-9:45 pm
2 stops11h 47m
Seattle/Tacoma Intl
Mon 5/18
9:00 am-9:52 pm
2 stops10h 52m
$617
Cheapest one-way
Quickest one-way
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Sun 5/3
5:00 am-9:35 am
1 stop6h 35m
$254
KilleenSeattle
GRK - SEA
GRKSEA
Killeen Fort Hood Regional
Wed 4/29
1:08 pm-6:04 pm
1 stop6h 56m
$407
Showing 1-10 of 15 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
GRK-SEA
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, November is the cheapest month in which you can book a flight from Killeen to Seattle (average of $138). Flying from Killeen to Seattle in July is currently the most expensive (average of $224). 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 April 3, 2026.
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.
Comfort
7.2
Food
6.4
Crew
7.9
Boarding
7.5
Overall
7.1
Entertainment
6.9
Reviews
1 / 20
6.0
Goodsheila,Mar 2025
DFW - MSP
Comfort
7.2
Food
6.4
Crew
7.9
Boarding
7.5
Overall
7.1
Entertainment
6.9
Reviews
1 / 20
6.0
Goodsheila,Mar 2025
DFW - MSP
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen
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Killeen and Seattle flights
Browse other Killeen and Seattle flight options. Last updated on April 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 3, 2026.
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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$376 | Average$633 | FlexibilityNo cancel fee | On-time71% |