$437+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEA
Oct 29 — Nov 51
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Killeen to Seattle
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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 September 29, 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 September 29, 2026.
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 10/217:00 am -
1 stop8h 35m
Sat 10/242:26 pm -
1 stop7h 10m
Deal found 9/28![American Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/712:28 pm -
1 stop9h 16m
Tue 10/133:45 pm -
1 stop5h 51m
Deal found 9/25![American Airlines logo]()
$580
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.
Fri 10/1612:28 pm -
1 stop6h 20m
Mon 10/193:45 pm -
1 stop5h 51m
Deal found 9/28![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/13:09 pm -
1 stop8h 43m
Thu 10/83:45 pm -
1 stop5h 51m
Deal found 9/24![American Airlines logo]()
$621
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.
Sat 10/173:16 pm -
1 stop8h 41m
Sat 10/1712:25 am -
1 stop6h 58m
Deal found 9/28![American Airlines logo]()
$631
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.
Fri 10/1612:28 pm -
1 stop6h 20m
Sat 10/1712:25 am -
1 stop6h 58m
Deal found 9/28![American Airlines logo]()
$637
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.
Sat 10/173:16 pm -
2 stops11h 20m
Mon 10/193:45 pm -
1 stop5h 51m
Deal found 9/28![American Airlines logo]()
$737
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:16 pm -
1 stop7h 23m
Sat 10/1712:21 pm -
1 stop6h 31m
Deal found 9/28![Alaska Airlines logo]()
$763
This Priceline deal was found by Cheapflights users on 9/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:16 pm -
1 stop8h 46m
Sun 10/2511:06 am -
1 stop7h 46m
Deal found 9/25![Alaska Airlines logo]()
$767
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 September 29, 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 September 29, 2026.
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 10/217:00 am -
1 stop8h 35m
Sat 10/242:26 pm -
1 stop7h 10m
Deal found 9/28![American Airlines logo]()
$437
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:16 pm -
1 stop7h 23m
Sat 10/1712:21 pm -
1 stop6h 31m
Deal found 9/28![Alaska Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/77:00 am -
1 stop8h 35m
Sun 10/115:00 am -
1 stop7h 44m
Deal found 9/25![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/13:09 pm -
1 stop8h 43m
Thu 10/83:45 pm -
1 stop5h 51m
Deal found 9/24![American Airlines logo]()
$621
This Priceline deal was found by Cheapflights users on 9/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:16 pm -
1 stop7h 23m
Mon 10/1912:21 pm -
1 stop6h 31m
Deal found 9/25![Alaska Airlines logo]()
$827
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 10/93:16 pm -
1 stop7h 23m
Tue 10/1312:21 pm -
1 stop6h 31m
Deal found 9/24![Alaska Airlines logo]()
$1,058
Last-minute flights from Killeen to SeattleDiscover last-minute flight deals from Killeen to Seattle. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Seattle. Data last updated September 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/13:09 pm -
1 stop8h 43m
Thu 10/83:45 pm -
1 stop5h 51m
Deal found 9/24![American Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/712:28 pm -
1 stop9h 16m
Tue 10/133:45 pm -
1 stop5h 51m
Deal found 9/25![American Airlines logo]()
$580
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:16 pm -
1 stop7h 23m
Sat 10/1712:21 pm -
1 stop6h 31m
Deal found 9/28![Alaska Airlines logo]()
$763
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.
Fri 10/1612:28 pm -
1 stop6h 20m
Mon 10/193:45 pm -
1 stop5h 51m
Deal found 9/28![American Airlines logo]()
$597
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.
Fri 10/1612:28 pm -
1 stop6h 20m
Sat 10/1712:25 am -
1 stop6h 58m
Deal found 9/28![American Airlines logo]()
$637
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.
Sat 10/173:16 pm -
1 stop8h 41m
Sat 10/1712:25 am -
1 stop6h 58m
Deal found 9/28![American Airlines logo]()
$631
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.
Sat 10/173:16 pm -
2 stops11h 20m
Mon 10/193:45 pm -
1 stop5h 51m
Deal found 9/28![American Airlines logo]()
$737
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 10/217:00 am -
1 stop8h 35m
Sat 10/242:26 pm -
1 stop7h 10m
Deal found 9/28![American Airlines logo]()
$437
This Priceline deal was found by Cheapflights users on 9/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:16 pm -
1 stop8h 46m
Sun 10/2511:06 am -
1 stop7h 46m
Deal found 9/25![Alaska Airlines logo]()
$767
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 September 29, 2026.
Search for one-way flight options from Killeen to Seattle. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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.
Sun 10/113:16 pm -
1 stop8h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Alaska Airlines logo]()
$646
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 September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $437 (American Airlines) |
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 7,457,451 searches. Data last updated September 29, 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 Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Wed 10/21
7:00 am-1:35 pm
1 stop8h 35m
Seattle/Tacoma Intl
Sat 10/24
2:26 pm-11:36 pm
1 stop7h 10m
$437
KilleenSeattle
GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Wed 10/7
7:00 am-1:35 pm
1 stop8h 35m
Seattle/Tacoma Intl
Sun 10/11
5:00 am-2:44 pm
1 stop7h 44m
$580
KilleenSeattle
GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Thu 10/1
3:09 pm-9:52 pm
1 stop8h 43m
Seattle/Tacoma Intl
Thu 10/8
3:45 pm-11:36 pm
1 stop5h 51m
$621
Quickest round-trip
KilleenSeattle
GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Sun 10/11
3:16 pm-10:02 pm
1 stop8h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$646
KilleenSeattle
GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Mon 10/26
3:16 pm-10:02 pm
1 stop8h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$646
KilleenSeattle
GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Tue 10/13
3:16 pm-8:39 pm
1 stop7h 23m
Seattle/Tacoma Intl
Sat 10/17
12:21 pm-8:52 pm
1 stop6h 31m
$763
KilleenSeattle
GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Fri 10/9
3:16 pm-8:39 pm
1 stop7h 23m
Seattle/Tacoma Intl
Mon 10/19
12:21 pm-8:52 pm
1 stop6h 31m
$827
KilleenSeattle
GRK Killeen Fort Hood Regional - SEA Seattle/Tacoma Intl
GRKSEA
Killeen Fort Hood Regional
Fri 10/9
3:16 pm-8:39 pm
1 stop7h 23m
Seattle/Tacoma Intl
Tue 10/13
12:21 pm-8:52 pm
1 stop6h 31m
$1,058
Sorted 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 September.
| 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.
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 29, 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.
Overall
7.0
Boarding
7.4
Crew
7.9
Food
6.4
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Overall
7.0
Boarding
7.4
Crew
7.9
Food
6.4
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
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Killeen and Seattle flights
Browse other Killeen and Seattle flight options. Last updated on September 29, 2026.
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Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 29, 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 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$446 | Average$543 | FlexibilityNo cancel fee | On-time71% |