$448+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
GRR — CPR
Nov 5 — Nov 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Grand Rapids to Casper with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Grand Rapids to Casper
Cheapest
Best
Last-minute
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 October 6, 2026.
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 October 6, 2026.
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:39 pm -
1 stop5h 20m
Sat 12/123:24 pm -
1 stop5h 01m
Deal found 10/4![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:00 am -
1 stop4h 48m
Sun 10/111:20 pm -
1 stop7h 03m
Deal found 10/3![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:54 pm -
1 stop8h 10m
Fri 10/236:00 pm -
2 stops12h 11m
Deal found 10/3![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:50 am -
1 stop8h 48m
Thu 11/511:24 am -
1 stop8h 56m
Deal found 10/1![United Airlines logo]()
$728
Best flights from Grand Rapids to CasperDiscover 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 October 6, 2026.
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 October 6, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:39 pm -
1 stop5h 20m
Sat 12/123:24 pm -
1 stop5h 01m
Deal found 10/5![United Airlines logo]()
$448
Last-minute flights from Grand Rapids to CasperDiscover last-minute flight deals from Grand Rapids to Casper. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from Grand Rapids to Casper. Data last updated October 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:54 pm -
1 stop8h 10m
Fri 10/236:00 pm -
2 stops12h 11m
Deal found 10/3![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:50 am -
1 stop8h 48m
Thu 11/511:24 am -
1 stop8h 56m
Deal found 10/1![United Airlines logo]()
$728
Find flight deals from Grand Rapids to Casper
Discover tips and strategies to find the most affordable flight options for your journey from Grand Rapids (GRR) to Casper (CPR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $448 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Grand Rapids to Casper that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 6, 2026.
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
Cheapest round-trip
Quickest round-trip
Grand RapidsCasper
GRR Grand Rapids Gerald R. Ford Intl - CPR Casper Natrona County
GRRCPR
Grand Rapids Gerald R. Ford Intl
Wed 12/9
3:39 pm-6:59 pm
1 stop5h 20m
Casper Natrona County
Sat 12/12
3:24 pm-10:25 pm
1 stop5h 01m
$448
Sorted by cheapest first
Compare providers for flights from Grand Rapids to Casper
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Grand Rapids to Casper in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Grand Rapids-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Grand Rapids-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Grand Rapids-Casper flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Grand Rapids-Casper flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Grand Rapids-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
GRR-CPR
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
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 October 6, 2026.
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.
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.7
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Casper?
Book flights to Casper if you plan to visit one of these locationsRawlins
Douglas
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
Casper flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Grand Rapids
Popular flights
Alternative routes for Grand Rapids to Casper
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Casper
Explore flights to Casper departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 6, 2026.
Complete your trip
Complete your trip to Casper by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Grand Rapids to Casper by cabin class
Find flights from Grand Rapids to Casper, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Grand Rapids and Casper flights
Browse other Grand Rapids and Casper flight options. Last updated on October 6, 2026.
Other flights from Grand Rapids
Browse through other flights departing from Grand Rapids. Flights are based on user searches made on Cheapflights and were last updated on October 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Grand Rapids to Casper
Discover the top airline that operate flights from Grand Rapids to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$335 | Average$448 | FlexibilityNo cancel fee | On-time69% |