What is the cheapest airline to fly from Grand Rapids to Casper round-trip?

According to our current data, United Airlines ($328), offers the cheapest pricing from Grand Rapids to Casper. United Airlines is currently priced 34% below the average price you’ll pay for this route.

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

Currently, January is the cheapest month in which you can book a flight from Grand Rapids to Casper (average of $348). Flying from Grand Rapids 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 Rapids to Casper?

Travelers seeking maximum savings on their Grand Rapids to Casper flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday 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 Rapids to Casper?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 73% when planning your travel around this day of the week.

What is the cheapest month to fly from Grand Rapids to Casper?

August is one of the best times of the year to fly to Casper from Grand Rapids. Prices for August average $499 per person but you can even find prices for as low as $281. The most expensive prices can be found in the month of April. Opting for a August flight can save you 37% on your journey compared to booking in April

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

One of the essential ways to save on airfare from Grand Rapids to Casper is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 8% on airfare.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Grand Rapids 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.

$328+ Flights from Grand Rapids to Casper

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Cheap flight deals from Grand Rapids to Casper

Round-trip from	$328 (United Airlines)
Popular in	April
Cheapest in	August
Average price	$686

From Grand Rapids Gerald R. Ford Intl to Casper Natrona County

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Grand Rapids to Casper

Cheapest flights from Grand Rapids to Casper
Explore the most affordable flight options available from Grand Rapids to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Sat 8/233:45 pmGRR - CPR

1 stop8h 29mUnited Airlines

Tue 8/265:30 amCPR - GRR

1 stop7h 09mUnited Airlines

Deal found 6/29

$328

Best flights from Grand Rapids to Casper
Discover carefully curated flight deals from Grand Rapids to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 30, 2025.

Sat 8/233:45 pmGRR - CPR

1 stop8h 29mUnited Airlines

Tue 8/265:30 amCPR - GRR

1 stop7h 09mUnited Airlines

Deal found 6/29

$328

Last-minute flights from Grand Rapids to Casper
Discover last-minute flight deals from Grand Rapids to Casper. Data last updated June 30, 2025 and is based on user searches.

Thu 7/103:45 pmGRR - CPR

1 stop4h 59mUnited Airlines

Tue 7/1511:29 amCPR - GRR

2 stops10h 26mUnited Airlines

Deal found 6/28

$503

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Grand RapidsCasper

GRR - CPR

GRRCPR

Grand Rapids Gerald R. Ford Intl

Sat 8/23

3:45 pm-10:14 pm

1 stop8h 29m

Casper Natrona County

Tue 8/26

5:30 am-2:39 pm

1 stop7h 09m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Grand Rapids to Casper

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

8,852 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

8,852 reviews

United Airlines

7.4

Good

8,852 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 is the cheapest airline to fly from Grand Rapids to Casper round-trip?
According to our current data, United Airlines ($328), offers the cheapest pricing from Grand Rapids to Casper. United Airlines is currently priced 34% below the average price you’ll pay for this route.
Can I find deals for flights from Grand Rapids to Casper that include hotel bookings?
Yes. In addition to deals on Grand Rapids to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Grand Rapids to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Rapids to Casper.
Can I find deals for business class flights from Grand Rapids to Casper?
Yes. Cheapflights offers flight deals from Grand Rapids 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 Rapids to Casper?
Currently, January is the cheapest month in which you can book a flight from Grand Rapids to Casper (average of $348). Flying from Grand Rapids 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.

See more FAQs

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Top airline flying from Grand Rapids to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$281	Average$537	FlexibilityNo cancel fee	On-time69%

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$328+ Cheap flights from Grand Rapids to Casper (GRR - 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Grand Rapids 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 Rapids to Casper

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Grand Rapids to Casper

Cheapest flights from Grand Rapids to CasperExplore the most affordable flight options available from Grand Rapids to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Explore the most affordable flight options available from Grand Rapids to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Grand Rapids to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Grand Rapids 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 June 30, 2025.

Peruse reviews from past customers who have flown with United Airlines from Grand Rapids 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 Rapids to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Grand Rapids to Casper round-trip?

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

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

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

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

Traveling to a place near Grand Rapids?

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Alternative routes for Grand Rapids to Casper

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Top airline flying from Grand Rapids to Casper

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Cheapest flights from Grand Rapids to Casper
Explore the most affordable flight options available from Grand Rapids to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.