$82 Cheap Flights from Seoul (ICN) to Singapore (SIN)

View $82 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Singapore Changi Airport (SIN)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Seoul to Singapore (ICN-SIN)

Prices were available within the past 7 days and start at $82 for one-way flights and $194 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Sat, Oct 18 - Sun, Oct 26
ICN
Seoul
SIN
Singapore
$194 Roundtrip, found 9 hours ago
$194
Roundtrip
found 9 hours ago
Select T'Way Air flight, departing Sat, Oct 18 from Seoul to Singapore, returning Sun, Oct 26, priced at $194 found 9 hours ago
Jeju Air
Wed, Sep 24 - Fri, Sep 26
ICN
Seoul
SIN
Singapore
$196 Roundtrip, found 14 hours ago
$196
Roundtrip
found 14 hours ago
Select Jeju Air flight, departing Wed, Sep 24 from Seoul to Singapore, returning Fri, Sep 26, priced at $196 found 14 hours ago
Vietnam Airlines
Thu, Oct 16 - Tue, Oct 21
ICN
Seoul
SIN
Singapore
$224 Roundtrip, found 6 days ago
$224
Roundtrip
found 6 days ago
Select Vietnam Airlines flight, departing Thu, Oct 16 from Seoul to Singapore, returning Tue, Oct 21, priced at $224 found 6 days ago
Scoot
Mon, May 18 - Wed, May 20
ICN
Seoul
SIN
Singapore
$228 Roundtrip, found 2 hours ago
$228
Roundtrip
found 2 hours ago
Select Scoot flight, departing Mon, May 18 from Seoul to Singapore, returning Wed, May 20, priced at $228 found 2 hours ago
China Eastern Airlines
Sat, Sep 20 - Thu, Sep 25
ICN
Seoul
SIN
Singapore
$289 Roundtrip, found 5 hours ago
$289
Roundtrip
found 5 hours ago
Select China Eastern Airlines flight, departing Sat, Sep 20 from Seoul to Singapore, returning Thu, Sep 25, priced at $289 found 5 hours ago
Garuda Indonesia
Sat, Feb 7 - Sun, Feb 8
ICN
Seoul
SIN
Singapore
$297 Roundtrip, found 1 hour ago
$297
Roundtrip
found 1 hour ago
Select Garuda Indonesia flight, departing Sat, Feb 7 from Seoul to Singapore, returning Sun, Feb 8, priced at $297 found 1 hour ago
Cathay Pacific
Thu, Oct 9 - Tue, Oct 14
ICN
Seoul
SIN
Singapore
$298 Roundtrip, just found
$298
Roundtrip
just found
Select Cathay Pacific flight, departing Thu, Oct 9 from Seoul to Singapore, returning Tue, Oct 14, priced at $298 just found
Royal Brunei Airlines
Tue, Oct 14 - Mon, Oct 27
ICN
Seoul
SIN
Singapore
$303 Roundtrip, found 8 hours ago
$303
Roundtrip
found 8 hours ago
Select Royal Brunei Airlines flight, departing Tue, Oct 14 from Seoul to Singapore, returning Mon, Oct 27, priced at $303 found 8 hours ago
Korean Air
Thu, Oct 16 - Tue, Oct 21
ICN
Seoul
SIN
Singapore
$307 Roundtrip, found 6 days ago
$307
Roundtrip
found 6 days ago
Select Korean Air flight, departing Thu, Oct 16 from Seoul to Singapore, returning Tue, Oct 21, priced at $307 found 6 days ago
China Southern Airlines
Tue, Oct 14 - Mon, Oct 27
ICN
Seoul
SIN
Singapore
$308 Roundtrip, found 8 hours ago
$308
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Tue, Oct 14 from Seoul to Singapore, returning Mon, Oct 27, priced at $308 found 8 hours ago

Find the cheapest month to fly from Seoul (ICN) to Singapore (SIN)

March is typically the cheapest month to fly

From $156 - $296 per traveler.
Flights from Seoul (ICN) to Singapore (SIN)
Origin airport
Incheon Intl.
Destination airport
Changi
Airlines serving
Air China, Air Macau Company, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Garuda Indonesia, Hahn Air Systems, Jeju Air, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Singapore Airlines, T'way Air with baggage, Thai Airways International, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$194
Distance
2874 mi
Average flight time
5 hours 22 mins

Seoul to Singapore Flights

The cheapest times to fly from Seoul to Singapore

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 Seoul to Singapore are during the month of October. You can find some of the cheapest flights from Seoul to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Singapore

Sunday is one of the best days to book for cheap flights from Seoul to Singapore: 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 Seoul to Singapore

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 Seoul to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $82 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 Seoul to Singapore 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 Seoul to Singapore 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 Incheon Intl. Airport (ICN) to Changi Airport (SIN) cost?
Snag a cheap one-way flight from $82 or cheap return flight from $194 from Incheon Intl. Airport (ICN) to Changi Airport (SIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
The cheapest month to fly from ICN to SIN is October, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
When leaving Incheon Intl. Airport (ICN), 5 carriers can take you directly to Changi Airport (SIN) without a layover, including:

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

What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
The cheapest airline to offer flights between Incheon Intl. Airport (ICN) and Changi Airport (SIN) can vary based on when you plan to fly. However, you'll usually find that low-cost carriers like Asiana Airlines and Virgin Australia have some of the best prices available. Use Expedia's filters to compare airlines in one place and find the right ICN to SIN flight that suits your budget.
How many flights per day from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
When departing from Incheon Intl. Airport (ICN), you can pick from an average of 11 daily direct flights to Changi Airport (SIN).
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
Flights between ICN and SIN are their busiest at 4 PM. If you're after a more relaxed trip and possibly cheaper prices, look for a time outside the usual busy windows.
What day of the week has the most flights from ICN to SIN?
Tuesday offers the most flights from Incheon Intl. Airport (ICN) to Changi Airport (SIN). Consider taking off on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
Take the earliest flight at around 8:50AM UTC+9, leaving from Incheon Intl. Airport (ICN). You'll be traveling for around 6h 35m, reaching Changi Airport (SIN) at approximately 2:25PM UTC+8.
How long does it take to fly from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
Typically, it takes 6 hours and 43 minutes to cover the 2,900 mi from ICN to SIN.
What airline has the least delays from ICN to SIN?
Consider booking with TWay Air if you'd like to fly straight from Incheon Intl. Airport (ICN) to Changi Airport (SIN) without any delays. This carrier has the best track record for punctuality, with an on-time performance of 83%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Changi Airport (SIN) route, fly before 3 PM. Later departures have a 22% higher chance of being 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 Singapore from Incheon Intl. Airport (ICN)?
Check out your flight options from Incheon Intl. Airport (ICN) to Changi Airport (SIN). This is the only airport in Singapore you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Changi Airport (SIN) last-minute?
Last-minute bookings from ICN to SIN are typically more expensive. To lock in the lowest prices, start searching for flights well in advance. That being said, if your travel plans are flexible, you may score a cheap fare right before your journey.
Is it cheaper to book an ICN to SIN flight and hotel package?
Securing an ICN to SIN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Changi Airport (SIN)?
If you booked your ICN to SIN flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.