In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from GRK to MSO?

When flying from Killeen to Missoula, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Killeen to Missoula?

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

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

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

$481+ Flights from Killeen to Missoula

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Cheap flight deals from Killeen to Missoula

Round-trip from	$481 (American Airlines)

From Killeen Fort Hood Regional to Missoula Johnson-Bell Field

Search Deals

Find flight deals from Killeen to Missoula

Cheapest flights from Killeen to Missoula
Explore the most affordable flight options available from Killeen to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sat 11/17:45 amGRK - MSO

1 stop6h 15mAmerican Airlines

Tue 11/47:00 amMSO - GRK

1 stop7h 40mAmerican Airlines

Deal found 7/28

$481

Sat 10/115:16 amGRK - MSO

2 stops13h 44mAlaska Airlines

Sun 10/126:37 amMSO - GRK

2 stops14h 17mAlaska Airlines

Deal found 7/28

$1,060

Best flights from Killeen to Missoula
Discover carefully curated flight deals from Killeen to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 11/17:45 amGRK - MSO

1 stop6h 15mAmerican Airlines

Tue 11/47:00 amMSO - GRK

1 stop7h 40mAmerican Airlines

Deal found 7/28

$481

Sat 10/115:16 amGRK - MSO

2 stops13h 44mAlaska Airlines

Sun 10/126:37 amMSO - GRK

2 stops14h 17mAlaska Airlines

Deal found 7/28

$1,060

One-way flights from Killeen to Missoula
Search for one-way flight options from Killeen to Missoula. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Fri 8/155:16 amGRK - MSO

2 stops11h 01mAlaska Airlines

Deal found 7/27

$1,305

Fly from

Fly to

Route

Depart

Return

Price

KilleenMissoula

GRK - MSO

GRKMSO

Killeen Fort Hood Regional

Sat 11/1

7:45 am-1:00 pm

1 stop6h 15m

Missoula Johnson-Bell Field

Tue 11/4

7:00 am-3:40 pm

1 stop7h 40m

$481

KilleenMissoula

GRK - MSO

GRKMSO

Killeen Fort Hood Regional

Sat 10/11

5:16 am-6:00 pm

2 stops13h 44m

Missoula Johnson-Bell Field

Sun 10/12

6:37 am-9:54 pm

2 stops14h 17m

$1,060

KilleenMissoula

GRK - MSO

GRKMSO

Killeen Fort Hood Regional

Fri 8/15

5:16 am-3:17 pm

2 stops11h 01m

$1,305

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Killeen to Missoula

Have a flexible travel schedule? Discover the best time to fly to Missoula 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 Missoula

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

Currently, October is the cheapest month in which you can book a flight from Killeen to Missoula (average of $365). Flying from Killeen to Missoula in March is currently the most expensive (average of $506). 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 Missoula

See what other customers who have flown with Alaska Airlines and American Airlines from Killeen to Missoula have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Can I find deals for flights from Killeen to Missoula that include hotel bookings?
Yes. In addition to deals on Killeen to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Killeen to Missoula?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to Missoula.
Can I find deals for business class flights from Killeen to Missoula?
Yes. Cheapflights offers flight deals from Killeen to Missoula 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 Missoula?
Currently, October is the cheapest month in which you can book a flight from Killeen to Missoula (average of $365). Flying from Killeen to Missoula in March is currently the most expensive (average of $506). 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

Browse thousands of different options on Cheapflights for your next trip

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$481+ Cheap flights from Killeen to Missoula (GRK - MSO)

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Killeen to Missoula with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Killeen to Missoula

Round-trip from

Find flight deals from Killeen to Missoula

Cheapest flights from Killeen to MissoulaExplore the most affordable flight options available from Killeen to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Killeen to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Killeen to Missoula that are best for you.

Best time to book a flight from Killeen to Missoula

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

Cheapflights Insights

Everything you need to know about your flight from Killeen to Missoula

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

Reviews of airlines servicing Missoula

See what other customers who have flown with Alaska Airlines and American Airlines from Killeen to Missoula have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

How can I find direct flights from Killeen to Missoula?

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

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

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 for Killeen to Missoula

See prices for flight routes from nearby airports that may be better suited for you.

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Book with Flexibility

Travel Smart

Cheapest flights from Killeen to Missoula
Explore the most affordable flight options available from Killeen to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.