How long is the flight from Seoul to Casper?

A quick flight from Seoul to Casper can take about 22h 31m. United Airlines provides one of the quickest options available for as low as $650. Seoul and Casper are separated by a distance of 5963 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 SEL to CPR?

When flying from Seoul 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 Seoul?

Located just 8.1 mi from the city center, Casper Natrona County is the airport most travelers will use when flying to Casper from Seoul. Booking flights from Seoul to Natrona County (CPR) should be relatively easy as there are 0 daily inbound flights from Seoul from 0 different airlines.

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

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

How can I find direct flights from Seoul to Casper?

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

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

Yes. Cheapflights offers flight deals from Seoul 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.

$650+ Flights from Seoul to Casper

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Find flight deals from Seoul to Casper

Best flights from Seoul to Casper
Discover carefully curated flight deals from Seoul to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2025.

Thu 2/512:45 pmICN - CPR

2 stops22h 31mUnited Airlines

Mon 2/97:00 amCPR - ICN

2 stops30h 40mUnited Airlines

Deal found 11/5

$650

Cheap flight deals from Seoul to Casper

Round-trip from	$650 (United Airlines)

From Seoul (SEL) to Casper Natrona County

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

IncheonCasper

ICN - CPR

ICNCPR

Incheon Intl

Thu 2/5

12:45 pm-7:16 pm

2 stops22h 31m

Casper Natrona County

Mon 2/9

7:00 am-5:40 am

2 stops30h 40m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Best time to book a flight from Seoul to Casper

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

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

Related info for your journey

What airport do you fly into for flights to Casper from Seoul?
Located just 8.1 mi from the city center, Casper Natrona County is the airport most travelers will use when flying to Casper from Seoul. Booking flights from Seoul to Natrona County (CPR) should be relatively easy as there are 0 daily inbound flights from Seoul from 0 different airlines.
How long is the flight from Seoul to Casper?
A quick flight from Seoul to Casper can take about 22h 31m. United Airlines provides one of the quickest options available for as low as $650. Seoul and Casper are separated by a distance of 5963 mi.
Can I find deals for flights from Seoul to Casper that include hotel bookings?
Yes. In addition to deals on Seoul to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seoul to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Casper.
Can I find deals for business class flights from Seoul to Casper?
Yes. Cheapflights offers flight deals from Seoul 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.

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$650+ Cheap flights from Seoul (SEL) to Casper (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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.