How long is the flight from Incheon Intl Airport to Casper?

A quick flight from Incheon Intl Airport to Casper can take about 25h 29m. United Airlines provides one of the quickest options available for as low as $663. Incheon Intl Airport and Casper are separated by a distance of 5963 mi.

What is the cheapest month to book a flight from Incheon Intl Airport to Casper?

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

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 ICN to CPR?

When flying from Incheon Intl Airport 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.

What airport do you fly into for flights to Casper from Incheon Intl?

Casper Natrona County (CPR) is the airport you will fly into if you book a flight from Incheon Intl to Casper. You should not have trouble finding flights to Natrona County from Incheon Intl; the airport handles an average of 0 inbound flights from Incheon Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Casper airport from Incheon Intl. It is only a 8.1 mi journey from Natrona County (CPR) to Casper’s city center.

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

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

How can I find direct flights from Incheon Intl to Casper?

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

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

Yes. Cheapflights offers flight deals from Incheon Intl 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.

$663+ Cheap Flights from Incheon Intl Airport to Casper

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Cheap flight deals from Incheon Intl to Casper

Round-trip from	$663 (United Airlines)

From Incheon Intl to Casper Natrona County

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Find flight deals from Incheon Intl to Casper

Best flights from Incheon Intl to Casper
Discover carefully curated flight deals from Incheon Intl to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Thu 2/512:45 pmICN - CPR

2 stops25h 29mUnited Airlines

Mon 2/91:16 pmCPR - ICN

2 stops24h 24mUnited Airlines

Deal found 9/10

$663

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IncheonCasper

ICN - CPR

ICNCPR

Incheon Intl

Thu 2/5

12:45 pm-10:14 pm

2 stops25h 29m

Casper Natrona County

Mon 2/9

1:16 pm-5:40 am

2 stops24h 24m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Incheon Intl to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Incheon Intl 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.

Related info for your journey

What airport do you fly into for flights to Casper from Incheon Intl?
Casper Natrona County (CPR) is the airport you will fly into if you book a flight from Incheon Intl to Casper. You should not have trouble finding flights to Natrona County from Incheon Intl; the airport handles an average of 0 inbound flights from Incheon Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Casper airport from Incheon Intl. It is only a 8.1 mi journey from Natrona County (CPR) to Casper’s city center.
How long is the flight from Incheon Intl Airport to Casper?
A quick flight from Incheon Intl Airport to Casper can take about 25h 29m. United Airlines provides one of the quickest options available for as low as $663. Incheon Intl Airport and Casper are separated by a distance of 5963 mi.
Can I find deals for flights from Incheon Intl to Casper that include hotel bookings?
Yes. In addition to deals on Incheon Intl to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Incheon Intl to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Casper.
Can I find deals for business class flights from Incheon Intl to Casper?
Yes. Cheapflights offers flight deals from Incheon Intl 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 Incheon Intl Airport to Casper?
Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to Casper (average of $348). Flying from Incheon Intl Airport 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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