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

Currently, October is the cheapest month in which you can book a flight from Casper to Idaho (average of $314). Flying from Casper to Idaho in June is currently the most expensive (average of $398). 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 ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest month to fly from Casper to Idaho?

The best pricing can be found in the month of December. Prices to Idaho from Casper average $372. You can even find prices in December for less than $372, as users have found deals to Idaho from as low as $266. The month of June appears to be one of the more expensive times to travel to Idaho from Casper. Flying in the targeted month can save you up to 44%.

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

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

What airport do you fly from for flights from Casper to Idaho?

Casper Natrona County (CPR) is the airport you will fly out of if you book a flight from Casper to Idaho. It is only a 8.1 mi journey to Natrona County (CPR) from Casper’s city center.

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

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

How can I find direct flights from Casper to Idaho?

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

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

Yes. Cheapflights offers flight deals from Casper 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.

$479+ Flights from Casper to Idaho

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Cheap flight deals from Casper to Idaho

Round-trip from	$524 (United Airlines)
Popular in	June
Cheapest in	December
Average price	$338

From Casper Natrona County to Idaho

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Casper to Idaho

Cheapest flights from Casper to Idaho
Explore the most affordable flight options available from Casper to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

vie. 8/17:10 amCPR - GEG

1 stop6h 25mUnited Airlines

dom. 8/35:15 amGEG - CPR

1 stop6h 24mUnited Airlines

Deal found 7/31

$479

Best flights from Casper to Idaho
Discover carefully curated flight deals from Casper to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 31, 2025.

vie. 8/153:16 pmCPR - GEG

1 stop6h 47mUnited Airlines

mar. 8/194:00 pmGEG - CPR

1 stop5h 14mUnited Airlines

Deal found 7/30

$524

Last-minute flights from Casper to Idaho
Discover last-minute flight deals from Casper to Idaho. Data last updated julio 31, 2025 and is based on user searches.

vie. 8/17:10 amCPR - GEG

1 stop6h 25mUnited Airlines

dom. 8/35:15 amGEG - CPR

1 stop6h 24mUnited Airlines

Deal found 7/31

$479

Fly from

Fly to

Route

Depart

Return

Price

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

vie. 8/15

3:16 pm-9:03 pm

1 stop6h 47m

Spokane

mar. 8/19

4:00 pm-10:14 pm

1 stop5h 14m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Casper to Idaho

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Idaho

Read through reviews of airlines operating flights from Casper to Idaho, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,900 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

8,900 reviews

United Airlines

7.4

Good

8,900 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

What airport do you fly from for flights from Casper to Idaho?
Casper Natrona County (CPR) is the airport you will fly out of if you book a flight from Casper to Idaho. It is only a 8.1 mi journey to Natrona County (CPR) from Casper’s city center.
Can I find deals for flights from Casper to Idaho that include hotel bookings?
Yes. In addition to deals on Casper to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Casper to Idaho?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Idaho.
Can I find deals for business class flights from Casper to Idaho?
Yes. Cheapflights offers flight deals from Casper 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 Casper to Idaho?
Currently, October is the cheapest month in which you can book a flight from Casper to Idaho (average of $314). Flying from Casper to Idaho in June is currently the most expensive (average of $398). 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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Complete your trip

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Top airline flying from Casper to Idaho

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$266	Average$343	FlexibilityNo cancel fee	On-time69%

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$479+ Cheap flights from Casper (CPR) 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Casper to Idaho with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Casper to Idaho

Keep the following information in mind while searching for Casper to Idaho flight deals. Data was last updated julio 31, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Casper to Idaho

Cheapest flights from Casper to IdahoExplore the most affordable flight options available from Casper to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Explore the most affordable flight options available from Casper to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Casper to Idaho

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

Cheapflights Insights

Everything you need to know about your flight from Casper to Idaho

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 julio 31, 2025.

Read through reviews of airlines operating flights from Casper to Idaho, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Casper 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 Casper to Idaho?

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

How can I find direct flights from Casper to Idaho?

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

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

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 Casper to Idaho

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

Top airline flying from Casper to Idaho

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Casper to Idaho
Explore the most affordable flight options available from Casper to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.