$148 Cheap Flights from Singapore (SIN) to Seoul (ICN)

View $148 flight on Sat, Jan 3, 2026Opens in a new window

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

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Cheap Flights from Singapore to Seoul (SIN-ICN)

Prices were available within the past 7 days and start at $148 for one-way flights and $233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Sat, Sep 27 - Sat, Oct 18
SIN
Singapore
ICN
Seoul
$233 Roundtrip, found 1 day ago
$233
Roundtrip
found 1 day ago
Select Scoot flight, departing Sat, Sep 27 from Singapore to Seoul, returning Sat, Oct 18, priced at $233 found 1 day ago
T'Way Air
Thu, Aug 28 - Sat, Aug 30
SIN
Singapore
ICN
Seoul
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select T'Way Air flight, departing Thu, Aug 28 from Singapore to Seoul, returning Sat, Aug 30, priced at $241 found 2 days ago
China Eastern Airlines
Wed, Sep 17 - Thu, Sep 18
SIN
Singapore
ICN
Seoul
$302 Roundtrip, found 12 hours ago
$302
Roundtrip
found 12 hours ago
Select China Eastern Airlines flight, departing Wed, Sep 17 from Singapore to Seoul, returning Thu, Sep 18, priced at $302 found 12 hours ago
Xiamen Airlines
Wed, Sep 3 - Mon, Sep 8
SIN
Singapore
ICN
Seoul
$333 Roundtrip, found 14 hours ago
$333
Roundtrip
found 14 hours ago
Select Xiamen Airlines flight, departing Wed, Sep 3 from Singapore to Seoul, returning Mon, Sep 8, priced at $333 found 14 hours ago
Shandong Airlines
Thu, Sep 25 - Wed, Oct 15
SIN
Singapore
ICN
Seoul
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select Shandong Airlines flight, departing Thu, Sep 25 from Singapore to Seoul, returning Wed, Oct 15, priced at $338 found 1 day ago
China Southern Airlines
Thu, Aug 28 - Wed, Sep 3
SIN
Singapore
ICN
Seoul
$346 Roundtrip, found 1 hour ago
$346
Roundtrip
found 1 hour ago
Select China Southern Airlines flight, departing Thu, Aug 28 from Singapore to Seoul, returning Wed, Sep 3, priced at $346 found 1 hour ago
Hahn Air Systems
Mon, Aug 25 - Sat, Aug 30
SIN
Singapore
ICN
Seoul
$383 Roundtrip, found 5 hours ago
$383
Roundtrip
found 5 hours ago
Select Hahn Air Systems flight, departing Mon, Aug 25 from Singapore to Seoul, returning Sat, Aug 30, priced at $383 found 5 hours ago
Jeju Air
Mon, Aug 25 - Sat, Aug 30
SIN
Singapore
ICN
Seoul
$388 Roundtrip, found 5 hours ago
$388
Roundtrip
found 5 hours ago
Select Jeju Air flight, departing Mon, Aug 25 from Singapore to Seoul, returning Sat, Aug 30, priced at $388 found 5 hours ago
Asiana Airlines
Sat, May 9 - Mon, May 11
SIN
Singapore
ICN
Seoul
$395 Roundtrip, found 11 hours ago
$395
Roundtrip
found 11 hours ago
Select Asiana Airlines flight, departing Sat, May 9 from Singapore to Seoul, returning Mon, May 11, priced at $395 found 11 hours ago
Korean Air
Thu, Aug 28 - Wed, Sep 3
SIN
Singapore
ICN
Seoul
$395 Roundtrip, found 1 hour ago
$395
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Thu, Aug 28 from Singapore to Seoul, returning Wed, Sep 3, priced at $395 found 1 hour ago

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

February is typically the cheapest month to fly

From $198 - $367 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gimpo Intl. GMP. Closest option available. Average driving time to city center is 20 minutes. Flights from $513
GMP
Gimpo Intl.
Closest
Average driving time to city center20 min
Flights from $513
Flights from Singapore (SIN) to Seoul (ICN)
Origin airport
Changi
Destination airport
Incheon Intl.
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, Hainan Airlines, Jeju Air, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Singapore Airlines, Thai Airways International, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$232
Distance
2874 mi
Average flight time
7 hours 31 mins

Singapore to Seoul Flights

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

 

The best time to book a flight from Singapore to Seoul

Sunday is one of the best days to book for cheap flights from Singapore 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 Singapore 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 Singapore to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $148 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 Singapore 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 Singapore 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 Changi Airport (SIN) to Incheon Intl. Airport (ICN) cost?
Pick up cheap return fares starting at $260 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 July 28 2025 and touching down at ICN. The price was last updated on July 23 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 $150 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 September 29 2025. Prices were last updated on July 23 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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*Available to One Key members.