The cheapest times to fly from ICN to LSE are

  • January 22nd to April 22nd
  • August 27th to December 2nd (except the week of September 3rd)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ICN to LSE is late October. Prices can be as high as $1851 for Saturday flights during early August, or as low as $627 for Wednesday flights around late October.


When to Fly to La Crosse

Flying from Seoul (ICN) to La Crosse, WI (LSE) will usually cost between $826 to $1554 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $867. Due to high demand the most expensive time to fly is early August, with an average price of $1576. Planning your trip to low-cost times can easily save you $708 on economy flights and even more on first-class flights. Generally, any price below $1079 can be considered a good price for a round-trip ICN to LSE flight.

See below for a graph of average weekly prices for the ICN to LSE route. All prices are for round-trip tickets in USD.

ICN to LSE Flight Prices

Compared to other flights, the ICN to LSE flight is priced close to the average and costs slightly more than the average flight leaving from Seoul. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to LSE, and Tuesday the cheapest day to fly back into ICN. Saturdays are the most expensive days to fly to La Crosse, and Fridays are the most expensive days to return to Seoul. Selecting flights on the least expensive days could save you up to $168 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1014. Return trip prices are from the LSE to ICN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ICN to LSE can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 24 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ICN to LSE while comparing.

Destination alternative #1: Central Wisconsin Airport (CWA) in Mosinee, WI

  • 100 miles (161 km) away from LSE
  • Usually 10.66% less expensive than LSE
  • 1-layover flights available

See ICN to CWA flights

Destination alternative #2: Dane County Regional-Truax Field Airport (MSN) in Madison, WI

  • 109 miles (175 km) away from LSE
  • Usually 4.45% less expensive than LSE
  • 1-layover flights available

See ICN to MSN flights


Flight Hacking ICN to LSE

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ICN to LSE — but Champion Traveler does!

Hack #1: Chicago, IL (ICN > ORD > LSE)

  • Price for both tickets: $1039
  • Average savings: $40 (3.71%)

See ICN to flights


Flight Questions Answered

Still have questions about flying from ICN to LSE? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Air Canada, American, Asiana, British Airways, Delta, United, and potentially more during busy seasons.

How far away is it from La Crosse Regional Airport to Incheon International Airport?

The distance between the two airports is roughly 6340 miles or 10203 kilometers.

How long does it take to fly from ICN to LSE?

The real-world flight time for a nonstop ICN to LSE flight is about 12 hour 24 minutes.

How many flights go between Seoul and La Crosse, WI?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from ICN to LSE.


Airport Location Info


Departing Airport

Origination code ICN
Origination airport name Incheon International Airport
City Seoul
Country South Korea
Latitude 37.5
Longitude 126.4

Return Airport

Destination code LSE
Destination airport name La Crosse Regional Airport
City La Crosse, WI
Country the United States
Latitude 43.9
Longitude -91.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.