$119 Cheap Flights from Sapporo (CTS) to Seoul (ICN)

View $119 flight on Wed, May 28, 2025Opens in a new window

Popular airlines from New Chitose Intl. Airport (CTS) to Incheon Intl. Airport (ICN)

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Find available prices by choosing your travel dates.

Cheap Flights from Sapporo to Seoul (CTS-ICN)

Prices were available within the past 7 days and start at $119 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Sat, May 10 - Tue, May 20
CTS
Sapporo
ICN
Seoul
$188 Roundtrip, found 4 hours ago
$188
Roundtrip
found 4 hours ago
Select T'Way Air flight, departing Sat, May 10 from Sapporo to Seoul, returning Tue, May 20, priced at $188 found 4 hours ago
T'Way Air
Fri, May 30 - Tue, Jun 17
CTS
Sapporo
ICN
Seoul
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select T'Way Air flight, departing Fri, May 30 from Sapporo to Seoul, returning Tue, Jun 17, priced at $195 found 6 days ago
T'Way Air
Fri, May 9 - Tue, May 20
CTS
Sapporo
ICN
Seoul
$202 Roundtrip, found 4 hours ago
$202
Roundtrip
found 4 hours ago
Select T'Way Air flight, departing Fri, May 9 from Sapporo to Seoul, returning Tue, May 20, priced at $202 found 4 hours ago
T'Way Air
Fri, May 30 - Mon, Jun 16
CTS
Sapporo
ICN
Seoul
$209 Roundtrip, found 6 days ago
$209
Roundtrip
found 6 days ago
Select T'Way Air flight, departing Fri, May 30 from Sapporo to Seoul, returning Mon, Jun 16, priced at $209 found 6 days ago
Hahn Air Systems
Thu, May 8 - Sun, May 11
CTS
Sapporo
ICN
Seoul
$213 Roundtrip, found 2 days ago
$213
Roundtrip
found 2 days ago
Select Hahn Air Systems flight, departing Thu, May 8 from Sapporo to Seoul, returning Sun, May 11, priced at $213 found 2 days ago
T'Way Air
Thu, May 8 - Tue, May 20
CTS
Sapporo
ICN
Seoul
$216 Roundtrip, found 4 hours ago
$216
Roundtrip
found 4 hours ago
Select T'Way Air flight, departing Thu, May 8 from Sapporo to Seoul, returning Tue, May 20, priced at $216 found 4 hours ago
Hahn Air Systems
Thu, May 8 - Sun, May 11
CTS
Sapporo
ICN
Seoul
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select Hahn Air Systems flight, departing Thu, May 8 from Sapporo to Seoul, returning Sun, May 11, priced at $222 found 2 days ago
Jeju Air
Thu, May 8 - Sun, May 11
CTS
Sapporo
ICN
Seoul
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select Jeju Air flight, departing Thu, May 8 from Sapporo to Seoul, returning Sun, May 11, priced at $225 found 2 days ago
Korean Air
Thu, May 8 - Sun, May 11
CTS
Sapporo
ICN
Seoul
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, May 8 from Sapporo to Seoul, returning Sun, May 11, priced at $269 found 2 days ago
Asiana Airlines
Thu, May 8 - Mon, May 12
CTS
Sapporo
ICN
Seoul
$338 Roundtrip, found 5 days ago
$338
Roundtrip
found 5 days ago
Select Asiana Airlines flight, departing Thu, May 8 from Sapporo to Seoul, returning Mon, May 12, priced at $338 found 5 days ago
Flights from Sapporo (CTS) to Seoul (ICN)
Origin airport
New Chitose
Destination airport
Incheon Intl.
Airlines serving
Air China, All Nippon Airways, Asiana Airlines, Hahn Air Systems, Japan Airlines, Jeju Air, Korean Air, T'Way Air
Roundtrip price
$188
Distance
883 mi

Sapporo to Seoul Flights

The cheapest times to fly from Sapporo to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sapporo to Seoul are during the month of May. You can find some of the cheapest flights from Sapporo to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sapporo to Seoul

Sunday is one of the best days to book for cheap flights from Sapporo to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sapporo to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sapporo to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sapporo to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sapporo to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN) cost?
You can find cheap return tickets from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN) starting from $209. Book a seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Hahn Air and Jeju Air flight leaving CTS on May 14 2025 and touching down at ICN. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from CTS to ICN?
The cheapest flights from CTS to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN)?
Choose from 7 carriers that offer direct flights from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN). They are:

  • Korean Air
  • EASTAR JET
  • Jin Air
  • Asiana Airlines
  • Jeju Air

What is the cheapest airline that flies from CTS to ICN?
With tickets starting at $119 for a one-way journey from CTS to ICN, Hahn Air is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CTS on May 14 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN)?
When departing from New Chitose Airport (CTS), you can take your pick from an average of 10 daily nonstop flights to Incheon Intl. Airport (ICN).
What are the most popular departure times for flights from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN)?
The 2 PM departures from CTS to ICN are the busiest. Greater demand means you’ll likely pay more for these departures. If you’re looking to save, choose a less crowded time to fly.
What day of the week has the most flights from CTS to ICN?
If you depart on a Saturday, you’ll get the biggest range of options for flights from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN).
What is the earliest flight from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN)?
New Chitose Airport (CTS)’s first flight to Incheon Intl. Airport (ICN) takes off at approximately 11:00AM UTC+9. With a total travel time of 3h 25m, you’ll land at around 2:25PM UTC+9.
How long does it take to fly from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN)?
Flights from CTS to ICN have an average travel time of 3 hours and 18 minutes. The total distance between the two airports is 880 mi.
What airline has the least delays from CTS to ICN?
Consider booking with Jeju Air if you’d like to go straight from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN) without any delays. This airline has the best track record for punctuality, with an on-time performance of 96%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN)?
Book a flight from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Seoul from New Chitose Airport (CTS)?
Incheon Intl. Airport (ICN) is the only airport in Seoul with direct flights from New Chitose Airport (CTS). Check out the options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN) last-minute?
Last-minute bookings from CTS to ICN are typically more expensive. For the best rates, start looking for flights as early as possible. That being said, if you’re flexible with your travel plans, you may score a cheap ticket right before your trip.
Is it cheaper to book a CTS to ICN flight and hotel package?
You’ll typically save money by booking a CTS to ICN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After choosing your ideal flights and accommodations, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from New Chitose Airport (CTS) to Incheon Intl. Airport (ICN)?
If you reserved your CTS to ICN flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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