What is the cheapest month to book a flight from Grand Junction to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Grand Junction to Idaho Falls (average of $380). Flying from Grand Junction to Idaho Falls in December is currently the most expensive (average of $578). 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.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

If weather is an important factor for your trip to Idaho Falls, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from GJT to IDA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Grand Junction to Idaho Falls as you normally would.

Can I find deals for flights from Grand Junction to Idaho Falls that include hotel bookings?

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

How can I find direct flights from Grand Junction to Idaho Falls?

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

Can I find deals for business class flights from Grand Junction to Idaho Falls?

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

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Best time to book a flight from Grand Junction to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Grand Junction 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.

Reviews of airlines servicing Idaho Falls

Read reviews from past customers who have flown United Airlines from Grand Junction to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

United Airlines

7.4

Good

8,926 reviews

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Can I find deals for flights from Grand Junction to Idaho Falls that include hotel bookings?
Yes. In addition to deals on Grand Junction to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Grand Junction to Idaho Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Junction to Idaho Falls.
Can I find deals for business class flights from Grand Junction to Idaho Falls?
Yes. Cheapflights offers flight deals from Grand Junction to Idaho Falls 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 Grand Junction to Idaho Falls?
Currently, October is the cheapest month in which you can book a flight from Grand Junction to Idaho Falls (average of $380). Flying from Grand Junction to Idaho Falls in December is currently the most expensive (average of $578). 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.

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Rexburg

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Top airline flying from Grand Junction to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$328	Average$373	FlexibilityNo cancel fee	On-time69%

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Find cheap flights from Grand Junction to Idaho Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Grand Junction to Idaho Falls

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

Reviews of airlines servicing Idaho Falls

Read reviews from past customers who have flown United Airlines from Grand Junction to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated 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 Grand Junction to Idaho Falls. 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 Grand Junction to Idaho Falls that include hotel bookings?

How can I find direct flights from Grand Junction to Idaho Falls?

Can I find deals for business class flights from Grand Junction to Idaho Falls?

What is the cheapest month to book a flight from Grand Junction to Idaho Falls?

Traveling to a place near Idaho Falls?

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 Grand Junction to Idaho Falls

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Complete your trip

Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Grand Junction to Idaho Falls by cabin class

Find flights from Grand Junction to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Idaho Falls

Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2025.

Grand Junction and Idaho Falls flights

Browse other Grand Junction and Idaho Falls flight options. Last updated on September 18, 2025.

Other flights from Grand Junction

Browse through other flights departing from Grand Junction. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2025.

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Top airline flying from Grand Junction to Idaho Falls

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Cheap flights from Grand Junction to Idaho Falls (GJT - IDA)

Find cheap flights from Grand Junction to Idaho Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Grand Junction to Idaho Falls

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

Reviews of airlines servicing Idaho Falls

Read reviews from past customers who have flown United Airlines from Grand Junction to Idaho Falls. Users can see the overall rating for each airline as well as how each is rated 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 Grand Junction to Idaho Falls. 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 Grand Junction to Idaho Falls that include hotel bookings?

How can I find direct flights from Grand Junction to Idaho Falls?

Can I find deals for business class flights from Grand Junction to Idaho Falls?

What is the cheapest month to book a flight from Grand Junction to Idaho Falls?

Traveling to a place near Idaho Falls?

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 Grand Junction to Idaho Falls

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

Top airline flying from Grand Junction to Idaho Falls

100% Free

Book with Flexibility

Travel Smart