Cheap Flights from Singapore (SIN) to Seoul (ICN)

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Compare Singapore Changi to Incheon International flight deals

Find the cheapest month or even day of the year to fly to Incheon International

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Flight deals from Singapore Changi to Incheon International

Looking for a cheap last-minute deal or the best return flight from Singapore Changi to Incheon International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Singapore Changi to Incheon International

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

Direct flights from Singapore Changi to Incheon International

Singapore Changi to Incheon International: Alternative routes

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

Singapore to Seoul: Flight information

The things to know before you go.
Cheapest flight found$299
Cheapest month to flyJune
Average flight time6 hrs, 28 mins
Most popular airlineSingapore Airlines
Average flights per week208

Finding cheap flights from Singapore Changi to Incheon International: Frequently asked questions

The best price we found for a return flight from Singapore Changi to Incheon International is $299. 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.
6 hours and 28 minutes is the average flight time from Singapore Changi to Incheon International.
Singapore Airlines, Asiana Airlines and Virgin Australia fly direct from Singapore Changi to Incheon International.
As of May 2025, there are 221 flights per week flying from Singapore Changi to Incheon International.
The cheapest month to fly from Singapore Changi to Incheon International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Singapore Changi Airport to Incheon International Airport on Monday, 9 June 2025.
Yes – the average flight time is 6 hours and 28 minutes.
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, AirAsia and T'way Air offer the cheapest flight tickets to Incheon International.

Travelling from Changi International Airport (SIN) to Incheon International Airport (ICN): what you need to know

  • Around 6 hours 30 minutes is how long you can expect to be in the air on a direct flight from Changi International Airport to Incheon International Airport.

  • Seoul is one hour ahead of Singapore and is in the UTC+9 timezone.

  • Take your pick of 94 weekly Changi International Airport to Incheon International Airport flights. The 00:10 departure with Singapore Airlines is the earliest flight available. Asiana Airlines operates the last service of the day at 23:30.

  • To ensure you catch your SIN to ICN flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Be prepared for bigger queues in popular months such as April. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • There are plenty of direct flights from Changi International Airport to Incheon International Airport to choose from. When organising your Seoul journey, these airlines can fly you nonstop to this exciting corner of South Korea:

  • Korean Air tops the list for bookings on this route.

  • Asiana Airlines is the most punctual carrier operating SIN to ICN flights, with 70.17% of its services landing on time.

  • Think about adding a stopover when booking your ticket from Changi International Airport to Incheon International Airport. Just deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here are some options between SIN and ICN:

    • Shanghai Pudong International Airport

    • Changle International Airport

    • Taiwan Taoyuan International Airport

How to find the cheapest flights from Changi International Airport (SIN) to Incheon International Airport (ICN)

  • Currently, $175 is the cheapest price we've found for a one-way Changi International Airport to Incheon International Airport flight. The best price for a return ticket is $299. Keep in mind that fares could change due to availability at the time of booking.

  • Book seven months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SIN to ICN.

  • The cheapest month for flights from Changi International Airport to Incheon International Airport is June. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.

  • Getting your hands on cheap flights from SIN to ICN is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

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

Handy information about Changi International Airport (SIN)

  • Of the flights that depart from Changi International Airport, 68.95% touch down on time at their destination.

  • Central Singapore to Changi International Airport is approximately 21 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Taking public transport? You can expect a journey time of around 1 hour.

  • Get your break off to a relaxed start by staying near SIN. Whether you've booked an early flight from Changi International Airport to Incheon International Airport or just don't want to be rushed, these hotels are perfect:

Arriving at Incheon International Airport (ICN)

Getting from Incheon International Airport (ICN) to central Seoul

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

  • It takes roughly 1 hour 45 minutes to get there using public transport.

When to fly to Incheon International Airport (ICN)

  • The quietest month for a flight from Changi International Airport to Incheon International Airport is April, while July is the most popular. Pick the best time to visit Seoul based on whether you prefer a more fast-paced or easygoing experience.

  • Lock in your flight from Changi International Airport to Incheon International Airport for August if you'd like to go to Seoul during its warmest month. Expect temperatures of between 19ºC (66ºF) and 32ºC (90ºF).

  • If you want cooler conditions, search for a cheap ticket from SIN to ICN in January. Temperatures average between -12ºC (10ºF) and 4ºC (39ºF) then.

Explore more of South Korea

  • Seoul has its own special appeal, but there are so many other parts of South Korea just waiting to be explored. About 322 kilometres south-east of Seoul, a visit to Busan will fill your itinerary to the brim. Start with leading sights like Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.

  • Incheon is another well-known destination in South Korea and is around 56 kilometres west of Seoul. No journey is complete without visiting Lawn Square of Incheon International Airport, Yeongjong Sky City No.23 Park and 스카이72 GC 바다코스.

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