The cheapest times to fly from ICN to CSX are

  • February 26th to April 15th (except the weeks of March 19th and April 2nd)
  • June 4th to July 15th
  • August 20th to September 2nd
  • October 8th to December 31st

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 CSX is mid October. Prices can be as high as $639 for Sunday flights during early May, or as low as $269 for Thursday flights around mid October.


When to Fly to Changsha

Flying from Seoul (ICN) to Changsha (CSX) will usually cost between $314 to $465 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid October with an average ticket price of $292. Due to high demand the most expensive time to fly is early May, with an average price of $494. Planning your trip to low-cost times can easily save you $202 on economy flights and even more on first-class flights. Generally, any price below $343 can be considered a good price for a round-trip ICN to CSX flight.

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

ICN to CSX Flight Prices

Compared to other flights, the ICN to CSX flight is much cheaper than the average and costs much less than the average flight leaving from Seoul. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to fly to CSX, and Wednesday the cheapest day to fly back into ICN. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $21 (6%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $347. Return trip prices are from the CSX 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 CSX can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 47 minutes may be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Air China, Asiana, Cathay Pacific, China Airlines, China Eastern, China Southern, Korean Air, Lao Airlines, Shandong, Shanghai Airlines, Shenzhen, Sichuan Airlines, Spring, THAI, Tianjin Airlines, Xiamen, and potentially more during busy seasons.

How far away is it from Huanghua Airport to Incheon International Airport?

The distance between the two airports is roughly 998 miles or 1606 kilometers.

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

The real-world flight time for a nonstop ICN to CSX flight is about 2 hour 47 minutes.

How many flights go between Seoul and Changsha?

It depends on the day of the week and the date, but a typical day might have around 20 available flights from ICN to CSX.


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 CSX
Destination airport name Huanghua Airport
City Changsha
Country China
Latitude 28.2
Longitude 113.2


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.