Cheap Flights from Appleton to Incheon International

Compare Appleton to Incheon International flight deals

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Flight deals from Appleton Airport to Incheon International Airport

Looking for a cheap last-minute deal or the best return flight from Appleton Airport to Incheon International Airport? If you want to travel next month, return fares start from $3,139. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Appleton to Incheon International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Appleton to Incheon International flights are currently cheapest in April.

Appleton to Incheon International: Alternative routes

Compare routes from Appleton to Seoul below. You may find an airport to fly into that's cheaper, faster, or easier than Incheon International.

Appleton to Seoul: Flight information

The things to know before you go.
Cheapest flight found$1,529
Cheapest month to flyApril

Finding cheap flights from Appleton to Incheon International: Frequently asked questions

The best price we found for a return flight from Appleton to Incheon International is $3,139. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Appleton to Incheon International. But we found flights with one or more stops from $3,127.
As of March 2026, there are no flights flying from Appleton to Incheon International.
The cheapest month to fly from Appleton to Incheon International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Appleton Airport to Incheon International Airport on Wednesday, 6 May 2026.
No airlines currently offer direct flights between Appleton Airport and Incheon International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Incheon International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Incheon International.

Travelling from Appleton International Airport (ATW) to Incheon International Airport (ICN): what you need to know

  • The timezone in Seoul is UTC+9, which is 14 hours ahead of Appleton.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to board your ATW to ICN flight.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • If you want to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Appleton International Airport to Incheon International Airport. These are the top stopovers between ATW and ICN:

    • O'Hare International Airport

    • Dallas/Fort Worth International Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Appleton International Airport (ATW) to Incheon International Airport (ICN)

  • Currently, $1,529 is the cheapest price we've seen for a one-way Appleton International Airport to Incheon International Airport flight. The best price for a return ticket is $3,127. Remember that fares may change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap tickets from ATW to ICN if you book early. Airlines often offer some fantastic early bird deals.

  • If you can be flexible with your trip dates, try using the 'Whole month' search function. It'll find the lowest price in every month when looking for your flight from Appleton International Airport to Incheon International Airport.

  • Landing cheap flights from ATW to ICN is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll let you know when fares go down.

  • Tailor your trip using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Appleton International Airport to Incheon International Airport.

Handy information about Appleton International Airport (ATW)

  • ATW's address is West 6390, Challenger Drive, Suite 201.

  • Of all flights leaving Appleton International Airport, 69.93% land on schedule at their destination.

  • To reach Appleton International Airport from central Appleton, it takes about 15 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 10 kilometres from the airport to the city centre.

  • Have an early flight from Appleton International Airport to Incheon International Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these hotels close to ATW:

Arriving at Incheon International Airport (ICN)

  • If you're getting in on a late Appleton International Airport to Incheon International Airport flight, few things top the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and relaxing soon after at one of these accommodation options near ICN:

  • Hit the road running by picking up an Incheon International Airport rental car. Grab a set of wheels from WECAR, Hi Rent A Car or Alamo and explore beyond Seoul's main sights.

  • Booking your ride from Incheon International Airport around four weeks in advance gives you the best shot at securing a great deal.

Getting from Incheon International Airport (ICN) to central Seoul

  • Incheon International Airport to the centre of Seoul is roughly 48 kilometres. Journey times may change depending on traffic and the time of day, so checking a navigation app for live updates is recommended.

  • If you're travelling on public transport, expect a journey time of about 1 hour 45 minutes.

When to fly to Incheon International Airport (ICN)

  • July is the most popular month for flights from Appleton International Airport to Incheon International Airport. To steer clear of the crowds, head to Seoul in April.

  • The warmest month in Seoul is August, with temperatures ranging between 19ºC and 32ºC. Book your flights from Appleton International Airport to Incheon International Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from ATW to ICN in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 4ºC on average.

Explore more of South Korea

  • Seoul is always a good idea, but there are so many other parts of South Korea just waiting to be discovered. About 322 kilometres south-east of Seoul, a trip to Busan will keep your itinerary packed. Start with leading sights like Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.

  • If you're eager to discover another side of South Korea, consider Incheon, about 56 kilometres west of Seoul. Lawn Square of Incheon International Airport, Yeongjong Sky City No.23 Park and 스카이72 GC 바다코스 are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.