$144 Cheap Flights from Singapore (SIN) to Seoul (ICN)

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Find available prices by choosing your travel dates.

Cheap Flights from Singapore to Seoul (SIN-ICN)

Prices were available within the past 7 days and start at $144 for one-way flights and $234 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Scoot
Shenzhen Airlines
Xiamen Airlines
Shandong Airlines
China Southern Airlines
China Eastern Airlines
Air China
Jeju Air
Hahn Air Systems

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Incheon Intl. Airport (ICN) cost?
Pick up cheap return fares starting at $236 from Changi Airport (SIN) to Incheon Intl. Airport (ICN). 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 Scoot flight leaving SIN on April 28 2025 and touching down at ICN. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from SIN to ICN?
The cheapest flights from SIN 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 Changi Airport (SIN) to Incheon Intl. Airport (ICN)?
When departing from Changi Airport (SIN), 5 carriers can take you directly to Incheon Intl. Airport (ICN) without a layover, including:

  • Singapore Airlines
  • Korean Air
  • Asiana Airlines
  • TWay Air
  • Scoot

What is the cheapest airline that flies from SIN to ICN?
With prices as low as $144 for a one-way flight from SIN to ICN, Scoot is currently the cheapest carrier 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 SIN on July 16 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Changi Airport (SIN) to Incheon Intl. Airport (ICN)?
With, on average, 11 direct flights that operate from Changi Airport (SIN) to Incheon Intl. Airport (ICN) daily, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from Changi Airport (SIN) to Incheon Intl. Airport (ICN)?
Flights between SIN and ICN are busiest at 2 AM. If you’re after a more relaxed experience and potentially cheaper tickets, choose a departure that’s outside typical rush times.
What day of the week has the most flights from SIN to ICN?
Travel on a Tuesday if you’re after the largest selection of flights from Changi Airport (SIN) to Incheon Intl. Airport (ICN).
What is the earliest flight from Changi Airport (SIN) to Incheon Intl. Airport (ICN)?
Changi Airport (SIN)’s earliest flight to Incheon Intl. Airport (ICN) leaves at approximately 12:10AM UTC+8. With a travel duration of 6h 15m, you’ll land at around 7:25AM UTC+9.
How long does it take to fly from Changi Airport (SIN) to Incheon Intl. Airport (ICN)?
Flights from SIN to ICN have an average travel time of 6 hours and 24 minutes. The distance between the two airports is 2,900 mi.
What airline has the least delays from SIN to ICN?
Asiana Airlines has the strongest track record for on-time direct flights from Changi Airport (SIN) to Incheon Intl. Airport (ICN), with an on-time rating of 84%. Use the Expedia App to see your flight status before you leave and get real-time alerts about any changes.
What is the best time to fly from Changi Airport (SIN) to Incheon Intl. Airport (ICN)?
Choose a flight from Changi Airport (SIN) to Incheon Intl. Airport (ICN) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 Changi Airport (SIN)?
Check out your flight options from Changi Airport (SIN) to Incheon Intl. Airport (ICN). This is the only airport in Seoul you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to Incheon Intl. Airport (ICN) last-minute?
Last-minute bookings from SIN to ICN are generally more expensive. To secure the lowest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a SIN to ICN flight and hotel package?
You can save money by securing a SIN to ICN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. After choosing your ideal flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Incheon Intl. Airport (ICN)?
In most cases, you can modify or cancel your SIN to ICN flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you’d like further information, go to our Customer Service portal.
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