$596+ Cheap flights from Boise to Killeen (BOI - 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — GRK
Nov 25 — Dec 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise 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 Boise to Killeen
Cheapest
Best
Last-minute
Cheapest flights from Boise to KilleenExplore the most affordable flight options available from Boise to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Boise to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/22:41 pm -
1 stop8h 03m
Mon 11/95:00 am -
1 stop7h 25m
Deal found 10/22![American Airlines logo]()
$609
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/72:41 pm -
1 stop5h 28m
Fri 11/137:00 am -
1 stop7h 51m
Deal found 10/22![American Airlines logo]()
$659
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/76:37 am -
2 stops13h 32m
Fri 11/137:00 am -
2 stops12h 03m
Deal found 10/22![Alaska Airlines logo]()
$669
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/82:41 pm -
1 stop8h 03m
Fri 11/133:07 pm -
1 stop8h 35m
Deal found 10/22![American Airlines logo]()
$1,067
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.
Mon 11/910:49 am -
2 stops9h 20m
Fri 11/137:00 am -
1 stop7h 51m
Deal found 10/25![Alaska Airlines logo]()
$1,072
Best flights from Boise to KilleenDiscover carefully curated flight deals from Boise to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Boise to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
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.
Tue 1/128:12 am -
2 stops9h 14m
Sat 1/165:05 am -
1 stop8h 39m
Deal found 10/24![Alaska Airlines logo]()
$596
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/72:41 pm -
1 stop5h 28m
Fri 11/137:00 am -
1 stop7h 51m
Deal found 10/22![American Airlines logo]()
$659
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/76:37 am -
2 stops13h 32m
Fri 11/137:00 am -
2 stops12h 03m
Deal found 10/22![Alaska Airlines logo]()
$669
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.
Mon 11/910:49 am -
2 stops9h 20m
Fri 11/137:00 am -
1 stop7h 51m
Deal found 10/25![Alaska Airlines logo]()
$1,072
Last-minute flights from Boise to KilleenDiscover last-minute flight deals from Boise to Killeen. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Killeen. Data last updated October 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/22:41 pm -
1 stop8h 03m
Mon 11/95:00 am -
1 stop7h 25m
Deal found 10/22![American Airlines logo]()
$609
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/72:41 pm -
1 stop5h 28m
Fri 11/137:00 am -
1 stop7h 51m
Deal found 10/22![American Airlines logo]()
$659
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/76:37 am -
2 stops13h 32m
Fri 11/137:00 am -
2 stops12h 03m
Deal found 10/22![Alaska Airlines logo]()
$669
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/82:41 pm -
1 stop8h 03m
Fri 11/133:07 pm -
1 stop8h 35m
Deal found 10/22![American Airlines logo]()
$1,067
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.
Mon 11/910:49 am -
2 stops9h 20m
Fri 11/137:00 am -
1 stop7h 51m
Deal found 10/25![Alaska Airlines logo]()
$1,072
Find flight deals from Boise to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $596 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 26, 2026.
Use the filters below to find and compare flights from Boise to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseKilleen
BOI Boise Air Term. Gowen Fld - GRK Killeen Fort Hood Regional
BOIGRK
Boise Air Term. Gowen Fld
Tue 1/12
8:12 am-6:26 pm
2 stops9h 14m
Killeen Fort Hood Regional
Sat 1/16
5:05 am-12:44 pm
1 stop8h 39m
$596
Quickest round-trip
BoiseKilleen
BOI Boise Air Term. Gowen Fld - GRK Killeen Fort Hood Regional
BOIGRK
Boise Air Term. Gowen Fld
Sat 11/7
2:41 pm-9:09 pm
1 stop5h 28m
Killeen Fort Hood Regional
Fri 11/13
7:00 am-1:51 pm
1 stop7h 51m
$659
BoiseKilleen
BOI Boise Air Term. Gowen Fld - GRK Killeen Fort Hood Regional
BOIGRK
Boise Air Term. Gowen Fld
Sat 11/7
6:37 am-9:09 pm
2 stops13h 32m
Killeen Fort Hood Regional
Fri 11/13
7:00 am-6:03 pm
2 stops12h 03m
$669
BoiseKilleen
BOI Boise Air Term. Gowen Fld - GRK Killeen Fort Hood Regional
BOIGRK
Boise Air Term. Gowen Fld
Mon 11/9
10:49 am-9:09 pm
2 stops9h 20m
Killeen Fort Hood Regional
Fri 11/13
7:00 am-1:51 pm
1 stop7h 51m
$1,072
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Boise-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-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 Boise-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 Boise to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Boise with our price prediction graph.
BOI-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.
Related info for your journey
Find useful and relevant information for your journey from Boise 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boise
Popular flights