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Idaho

$634+ Cheap flights from Killeen (GRK) to Idaho

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — BOI
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Killeen to Idaho

Cheapest flights from Killeen to Idaho
Explore the most affordable flight options available from Killeen to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/312:31 pm
GRK
-
GEG
2 stops12h 21m
Alaska Airlines
Sat 2/75:45 am
GEG
-
GRK
2 stops11h 08m
Alaska Airlines
Deal found 1/26$634
This Travelocity deal was found by Cheapflights users on 1/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:00 am
GRK
-
GEG
2 stops10h 53m
Alaska Airlines
Mon 4/137:43 pm
GEG
-
GRK
2 stops11h 54m
Alaska Airlines
Deal found 1/25$687
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 4/93:54 pm
GRK
-
GEG
1 stop6h 34m
American Airlines
Mon 4/136:00 am
GEG
-
GRK
1 stop7h 24m
American Airlines
Deal found 1/25$763

Find flight deals from Killeen to Idaho

Keep the following information in mind while searching for Killeen to Idaho flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$687
(Travelocity)
Provider with most accurate pricing for Killeen Fort Hood Regional-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Boise Air Term. Gowen Fld flights.
Search Deals
From Killeen Fort Hood Regional to Idaho
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Idaho 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 January 28, 2026.
Use the filters below to find and compare flights from Killeen to Idaho that are best for you.

Fly from

Killeen

Fly to

Idaho

Route

Depart

Return

Price

KilleenSpokane

GRK - GEG

GRKGEG

Killeen Fort Hood Regional

Thu 4/9

5:00 am-1:53 pm

2 stops10h 53m

Spokane

Mon 4/13

7:43 pm-9:37 am

2 stops11h 54m

$687

KilleenSpokane

GRK - GEG

GRKGEG

Killeen Fort Hood Regional

Thu 4/9

3:54 pm-8:28 pm

1 stop6h 34m

Spokane

Mon 4/13

6:00 am-3:24 pm

1 stop7h 24m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Best time to book a flight from Killeen to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Killeen with our price prediction graph.
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 Idaho

What is the cheapest month to book a flight from Killeen to Idaho?

Currently, December is the cheapest month in which you can book a flight from Killeen to Idaho (average of $132). Flying from Killeen to Idaho in July is currently the most expensive (average of $284). 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.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated January 28, 2026.
Peruse reviews from past customers who have flown with American Airlines from Killeen to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,201 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Food

6.4

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
11,201 reviews
American Airlines
7.2
Good
11,201 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Food

6.4

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Killeen to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Killeen to Idaho?

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to Idaho. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • How long is the flight from Killeen to Idaho?

    Departing from Killeen to Idaho will take you 6h 34m. Airlines will cover a distance of 1545 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Killeen to Idaho?

    The most popular route from Killeen to Idaho is Killeen Fort Hood Regional - Spokane. You may also consider Killeen Fort Hood Regional - Lewiston Nez Perce Rgnl or Killeen Fort Hood Regional - Pocatello.

  • Can I find deals for flights from Killeen to Idaho that include hotel bookings?

    Yes. In addition to deals on Killeen to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to Idaho.

  • Can I find deals for business class flights from Killeen to Idaho?

    Yes. Cheapflights offers flight deals from Killeen to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Killeen to Idaho?

    Currently, December is the cheapest month in which you can book a flight from Killeen to Idaho (average of $132). Flying from Killeen to Idaho in July is currently the most expensive (average of $284). 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.

See more FAQs

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Alternative routes for Killeen to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Killeen to Idaho

Discover the top airline that operate flights from Killeen to Idaho. 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$406Average$741FlexibilityNo cancel feeOn-time71%

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