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

Currently, January is the cheapest month in which you can book a flight from Grand Junction to Casper (average of $348). Flying from Grand Junction to Casper in June is currently the most expensive (average of $500). 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.

What is the cheapest day to fly from Grand Junction to Casper?

Travelers seeking maximum savings on their Grand Junction to Casper flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, 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 December, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest day to fly round-trip from Grand Junction to Casper?

Travelers have found that booking a Tuesday departure is the best way to save up to 250% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

A simple way to save on the total cost of your ticket is to fly from Grand Junction to Casper at noon. If you’re flexible enough to do this you can expect to save up to 68% on your trip compared to booking a flight in the morning.

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

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

How can I find direct flights from Grand Junction to Casper?

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

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

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

$502+ Flights from Grand Junction to Casper

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Cheap flight deals from Grand Junction to Casper

Round-trip from	$502 (United Airlines)

From Grand Junction Regnl to Casper Natrona County

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Cheapest flights from Grand Junction to Casper
Explore the most affordable flight options available from Grand Junction to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Wed 7/161:45 pmGJT - CPR

1 stop4h 59mUnited Airlines

Sun 7/205:59 pmCPR - GJT

1 stop4h 16mUnited Airlines

Deal found 6/30

$502

Best flights from Grand Junction to Casper
Discover carefully curated flight deals from Grand Junction to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Wed 7/161:45 pmGJT - CPR

1 stop4h 59mUnited Airlines

Sun 7/205:59 pmCPR - GJT

1 stop4h 16mUnited Airlines

Deal found 6/30

$502

Last-minute flights from Grand Junction to Casper
Discover last-minute flight deals from Grand Junction to Casper. Data last updated July 2, 2025 and is based on user searches.

Wed 7/161:45 pmGJT - CPR

1 stop4h 59mUnited Airlines

Sun 7/205:59 pmCPR - GJT

1 stop4h 16mUnited Airlines

Deal found 6/30

$502

Cheapflights Fare Finder

Use the filters below to find and compare flights from Grand Junction to Casper that are best for you.

Fly from

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Route

Depart

Return

Price

Grand JunctionCasper

GJT - CPR

GJTCPR

Grand Junction Regnl

Wed 7/16

1:45 pm-6:44 pm

1 stop4h 59m

Casper Natrona County

Sun 7/20

5:59 pm-10:15 pm

1 stop4h 16m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Grand Junction to Casper

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

Peruse reviews from past customers who have flown with United Airlines from Grand Junction to Casper to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Can I find deals for flights from Grand Junction to Casper that include hotel bookings?
Yes. In addition to deals on Grand Junction to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Grand Junction to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Junction to Casper.
Can I find deals for business class flights from Grand Junction to Casper?
Yes. Cheapflights offers flight deals from Grand Junction to Casper 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 Casper?
Currently, January is the cheapest month in which you can book a flight from Grand Junction to Casper (average of $348). Flying from Grand Junction to Casper in June is currently the most expensive (average of $500). 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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$502+ Cheap flights from Grand Junction to Casper (GJT - CPR)

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Grand Junction to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Grand Junction to Casper

Round-trip from

Find flight deals from Grand Junction to Casper

Cheapest flights from Grand Junction to CasperExplore the most affordable flight options available from Grand Junction to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Grand Junction to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Grand Junction to Casper that are best for you.

Best time to book a flight from Grand Junction to Casper

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

Reviews of airlines servicing Casper

Get insights into the airlines that provide service to Casper. 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 Casper. Reviews last updated July 2, 2025.

Peruse reviews from past customers who have flown with United Airlines from Grand Junction to Casper to help guide your decision. You can also see how each airline stacks up 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 Casper. 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 Casper that include hotel bookings?

How can I find direct flights from Grand Junction to Casper?

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

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

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Cheapest flights from Grand Junction to Casper
Explore the most affordable flight options available from Grand Junction to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.