$358+ Cheap flights from Seattle to Killeen (SEA - GRK)
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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GRK
Nov 27 — Dec 41
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Killeen 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Seattle to Killeen
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to KilleenExplore the most affordable flight options available from Seattle to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
Explore the most affordable flight options available from Seattle to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/266:39 am -
1 stop6h 16m
Thu 12/37:00 am -
1 stop9h 44m
Deal found 10/27![American Airlines logo]()
$457
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/1012:47 pm -
1 stop6h 22m
Sat 11/143:07 pm -
1 stop6h 50m
Deal found 10/26![American Airlines logo]()
$557
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/1612:25 am -
1 stop7h 02m
Sun 11/225:00 am -
1 stop6h 37m
Deal found 10/23![American Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 10/23. 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 10/243:45 pm -
1 stop5h 51m
Fri 10/305:00 am -
1 stop6h 33m
Deal found 10/23![American Airlines logo]()
$611
This American Airlines deal was found by Cheapflights users on 10/23. 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 10/2512:04 pm -
1 stop6h 48m
Sun 11/112:26 pm -
1 stop9h 31m
Deal found 10/23![American Airlines logo]()
$639
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 11/712:19 pm -
1 stop6h 50m
Wed 11/117:00 am -
1 stop7h 07m
Deal found 10/23![Alaska Airlines logo]()
$657
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/1110:59 am -
1 stop8h 10m
Sun 11/157:00 am -
1 stop7h 07m
Deal found 10/27![Alaska Airlines logo]()
$729
Best flights from Seattle to KilleenDiscover carefully curated flight deals from Seattle to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
Discover carefully curated flight deals from Seattle to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/266:39 am -
1 stop6h 16m
Thu 12/37:00 am -
1 stop9h 44m
Deal found 10/27![American Airlines logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 2/610:19 am -
1 stop6h 07m
Tue 2/95:05 am -
1 stop7h 33m
Deal found 10/24![Alaska Airlines logo]()
$666
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/1012:47 pm -
1 stop6h 22m
Sat 11/143:07 pm -
1 stop6h 50m
Deal found 10/26![American Airlines logo]()
$557
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/1612:25 am -
1 stop7h 02m
Sun 11/225:00 am -
1 stop6h 37m
Deal found 10/23![American Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 12/2212:47 am -
1 stop6h 49m
Mon 12/285:00 am -
1 stop6h 35m
Deal found 10/25![American Airlines logo]()
$611
Last-minute flights from Seattle to KilleenDiscover last-minute flight deals from Seattle to Killeen. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Killeen. Data last updated October 28, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 11/712:19 pm -
1 stop6h 50m
Wed 11/117:00 am -
1 stop7h 07m
Deal found 10/23![Alaska Airlines logo]()
$657
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/912:47 pm -
1 stop6h 22m
Fri 11/135:00 am -
1 stop6h 37m
Deal found 10/25![American Airlines logo]()
$1,005
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 11/1012:47 pm -
1 stop6h 22m
Sat 11/143:07 pm -
1 stop6h 50m
Deal found 10/26![American Airlines logo]()
$557
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/1110:59 am -
1 stop8h 10m
Sun 11/157:00 am -
1 stop7h 07m
Deal found 10/27![Alaska Airlines logo]()
$729
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/1612:25 am -
1 stop7h 02m
Sun 11/225:00 am -
1 stop6h 37m
Deal found 10/23![American Airlines logo]()
$578
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/1712:19 pm -
1 stop6h 50m
Sun 11/227:00 am -
1 stop7h 00m
Deal found 10/27![Alaska Airlines logo]()
$838
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 11/1810:59 am -
1 stop8h 10m
Sun 11/227:00 am -
1 stop7h 00m
Deal found 10/23![Alaska Airlines logo]()
$798
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/266:39 am -
1 stop6h 16m
Thu 12/37:00 am -
1 stop9h 44m
Deal found 10/27![American Airlines logo]()
$457
One-way flights from Seattle to KilleenSearch for one-way flight options from Seattle to Killeen. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
Search for one-way flight options from Seattle to Killeen. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:30 am -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Alaska Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/1612:47 pm -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$503
Find flight deals from Seattle to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Killeen (GRK). 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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $457 (American Airlines) |
One-way from | $358 (Alaska Airlines) |
Popular in | November |
Cheapest in | July |
Average price | $512 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Killeen 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 October 28, 2026.
Use the filters below to find and compare flights from Seattle to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Tue 12/15
12:30 am-9:25 am
1 stop6h 55m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$358
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Thu 11/26
6:39 am-2:55 pm
1 stop6h 16m
Killeen Fort Hood Regional
Thu 12/3
7:00 am-2:44 pm
1 stop9h 44m
$457
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Mon 11/16
12:47 pm-11:44 pm
1 stop8h 57m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$503
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Thu 12/3
12:30 am-9:25 am
1 stop6h 55m
Killeen Fort Hood Regional
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$503
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Tue 11/10
12:47 pm-9:09 pm
1 stop6h 22m
Killeen Fort Hood Regional
Sat 11/14
3:07 pm-7:57 pm
1 stop6h 50m
$557
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Mon 11/16
12:25 am-9:27 am
1 stop7h 02m
Killeen Fort Hood Regional
Sun 11/22
5:00 am-9:37 am
1 stop6h 37m
$578
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Tue 12/22
12:47 am-9:36 am
1 stop6h 49m
Killeen Fort Hood Regional
Mon 12/28
5:00 am-9:35 am
1 stop6h 35m
$611
SeattleKilleen
SEA Seattle/Tacoma Intl - GRK Killeen Fort Hood Regional
SEAGRK
Seattle/Tacoma Intl
Sat 2/6
10:19 am-6:26 pm
1 stop6h 07m
Killeen Fort Hood Regional
Tue 2/9
5:05 am-10:38 am
1 stop7h 33m
$666
Sorted by cheapest first
Compare providers for flights from Seattle to Killeen
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 Seattle to Killeen in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Killeen 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 Seattle-Killeen 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 Seattle to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Seattle with our price prediction graph.
SEA-GRK
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 Seattle to Killeen
Reviews of airlines servicing Killeen
Get insights into the airlines that provide service to Killeen. 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 Killeen. Reviews last updated October 28, 2026.
Peruse reviews from past customers who have flown with American Airlines from Seattle to Killeen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.9
Entertainment
6.8
Food
6.4
Overall
7.0
Comfort
7.1
Boarding
7.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Crew
7.9
Entertainment
6.8
Food
6.4
Overall
7.0
Comfort
7.1
Boarding
7.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Seattle to Killeen. 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 Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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Seattle and Killeen flights
Browse other Seattle and Killeen flight options. Last updated on October 28, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on October 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Seattle to Killeen
Discover the top airline that operate flights from Seattle to Killeen. 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 October 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$447 | Average$615 | FlexibilityNo cancel fee | On-time71% |