$546+ Cheap flights from Killeen to Boise (GRK - BOI)
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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — BOI
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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 Killeen to Boise
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Best
Last-minute
Cheapest flights from Killeen to BoiseExplore the most affordable flight options available from Killeen to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Killeen to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/277:00 am -
1 stop5h 28m
Wed 12/22:41 pm -
1 stop8h 03m
Deal found 9/6![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/237:00 am -
1 stop7h 00m
Tue 9/297:02 am -
1 stop7h 32m
Deal found 9/3![American Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/234:09 pm -
1 stop7h 18m
Sun 9/271:50 pm -
1 stop6h 13m
Deal found 9/3![American Airlines logo]()
$695
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 9/217:00 am -
1 stop7h 00m
Fri 9/259:00 am -
2 stops8h 45m
Deal found 9/6![Alaska Airlines logo]()
$1,640
Best flights from Killeen to BoiseDiscover carefully curated flight deals from Killeen to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Killeen to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/277:00 am -
1 stop5h 28m
Wed 12/22:41 pm -
1 stop8h 03m
Deal found 9/6![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/234:09 pm -
1 stop7h 18m
Tue 9/298:05 am -
2 stops11h 58m
Deal found 9/5![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 9/6. 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 9/237:00 am -
1 stop7h 00m
Sun 9/277:02 am -
1 stop6h 32m
Deal found 9/6![American Airlines logo]()
$695
Last-minute flights from Killeen to BoiseDiscover last-minute flight deals from Killeen to Boise. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Boise. Data last updated September 7, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 9/217:00 am -
1 stop7h 00m
Fri 9/259:00 am -
2 stops8h 45m
Deal found 9/6![Alaska Airlines logo]()
$1,640
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/237:00 am -
1 stop7h 00m
Tue 9/297:02 am -
1 stop7h 32m
Deal found 9/3![American Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/234:09 pm -
1 stop7h 18m
Sun 9/271:50 pm -
1 stop6h 13m
Deal found 9/3![American Airlines logo]()
$695
Find flight deals from Killeen to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Boise (BOI). 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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $546 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen to Boise 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 7, 2026.
Use the filters below to find and compare flights from Killeen to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KilleenBoise
GRK Killeen Fort Hood Regional - BOI Boise Air Term. Gowen Fld
GRKBOI
Killeen Fort Hood Regional
Fri 11/27
7:00 am-11:28 am
1 stop5h 28m
Boise Air Term. Gowen Fld
Wed 12/2
2:41 pm-11:44 pm
1 stop8h 03m
$546
KilleenBoise
GRK Killeen Fort Hood Regional - BOI Boise Air Term. Gowen Fld
GRKBOI
Killeen Fort Hood Regional
Wed 9/23
4:09 pm-10:27 pm
1 stop7h 18m
Boise Air Term. Gowen Fld
Tue 9/29
8:05 am-9:03 pm
2 stops11h 58m
$588
KilleenBoise
GRK Killeen Fort Hood Regional - BOI Boise Air Term. Gowen Fld
GRKBOI
Killeen Fort Hood Regional
Wed 9/23
7:00 am-1:00 pm
1 stop7h 00m
Boise Air Term. Gowen Fld
Sun 9/27
7:02 am-2:34 pm
1 stop6h 32m
$695
Sorted by cheapest first
Compare providers for flights from Killeen to Boise
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 Boise in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Killeen-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Killeen-Boise 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-Boise 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 Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Killeen with our price prediction graph.
GRK-BOI
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 Killeen to Boise. 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 Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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