How long is the flight from Greenville to Casper?

Departing from Greenville to Casper will take you 14h 12m. The distance from Greenville to Casper is about 1409 mi.

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 time of day to fly from GSP to CPR?

When flying from Greenville to Casper, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Greenville-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Greenville-Casper flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Greenville-Casper flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Greenville-Casper flights, Cheapflights users trust eDreams the most. eDreams 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 Greenville-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Greenville to Casper?

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

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

Yes. Cheapflights offers flight deals from Greenville 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.

$349+ Cheap Flights from Greenville to Casper

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Find flight deals from Greenville to Casper

Best flights from Greenville to Casper
Discover carefully curated flight deals from Greenville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

Sat 2/216:50 amGSP - CPR

2 stops14h 12mUnited Airlines

Tue 2/249:00 amCPR - GSP

2 stops12h 59mUnited Airlines

Deal found 10/26

$349

Wed 3/1810:00 amGSP - CPR

2 stops12h 30mUnited Airlines

Fri 3/203:15 pmCPR - GSP

2 stops16h 51mUnited Airlines

Deal found 10/28

$795

Cheap flight deals from Greenville to Casper

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$349 (United Airlines)

Provider with most accurate pricing for Greenville-Casper Natrona County flight deals.

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Provider most trusted by Cheapflights users for Greenville-Casper Natrona County flights.

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From Greenville to Casper Natrona County

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleCasper

GSP - CPR

GSPCPR

Greenville

Sat 2/21

6:50 am-7:02 pm

2 stops14h 12m

Casper Natrona County

Tue 2/24

9:00 am-11:59 pm

2 stops12h 59m

$349

GreenvilleCasper

GSP - CPR

GSPCPR

Greenville

Wed 3/18

10:00 am-8:30 pm

2 stops12h 30m

Casper Natrona County

Fri 3/20

3:15 pm-10:06 am

2 stops16h 51m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Greenville to Casper

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Casper in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Greenville-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Greenville-Casper flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Greenville-Casper flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Greenville-Casper flights, Cheapflights users trust eDreams the most. eDreams 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 Greenville-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 Greenville to Casper

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

See what other customers who have flown with United Airlines from Greenville to Casper have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,999 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

8,999 reviews

United Airlines

7.4

Good

8,999 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Greenville to Casper?
Departing from Greenville to Casper will take you 14h 12m. The distance from Greenville to Casper is about 1409 mi.
Can I find deals for flights from Greenville to Casper that include hotel bookings?
Yes. In addition to deals on Greenville to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Greenville to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Casper.
Can I find deals for business class flights from Greenville to Casper?
Yes. Cheapflights offers flight deals from Greenville 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.

See more FAQs

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Top airline flying from Greenville to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$258	Average$343	FlexibilityNo cancel fee	On-time69%

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$349+ Cheap flights from Greenville to Casper (GSP - 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greenville to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Greenville to Casper

Best flights from Greenville to CasperDiscover carefully curated flight deals from Greenville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

Discover carefully curated flight deals from Greenville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

Cheap flight deals from Greenville to Casper

Most accurate provider

Most trusted provider

Round-trip from

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

Compare providers for flights from Greenville 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 Greenville to Casper in October.

Best time to book a flight from Greenville to Casper

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

Reviews of airlines servicing Casper

See what other customers who have flown with United Airlines from Greenville to Casper have to say. You can also see how each airline compares 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 Greenville to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Greenville to Casper?

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

How can I find direct flights from Greenville to Casper?

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

Traveling to a place near Casper?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Greenville to Casper

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

Top airline flying from Greenville to Casper

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Book with Flexibility

Travel Smart

Best flights from Greenville to Casper
Discover carefully curated flight deals from Greenville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.