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$112 Cheap Flights from Seoul (ICN) to Singapore (SIN)

View $112 flight on Mon, Aug 31, 2026Opens in a new window

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

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Cheap Flights from Seoul to Singapore (ICN-SIN)

Prices were available within the past 7 days and start at $112 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Sat, Aug 29 - Mon, Aug 31
ICN
Seoul
SIN
Singapore
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select T'Way Air flight, departing Sat, Aug 29 from Seoul to Singapore, returning Mon, Aug 31, priced at $239 found 1 day ago
Scoot
Mon, Aug 31 - Mon, Sep 7
ICN
Seoul
SIN
Singapore
$244 Roundtrip, found 5 hours ago
$244
Roundtrip
found 5 hours ago
Select Scoot flight, departing Mon, Aug 31 from Seoul to Singapore, returning Mon, Sep 7, priced at $244 found 5 hours ago
Air China
Mon, Aug 17 - Fri, Aug 21
ICN
Seoul
SIN
Singapore
$249 Roundtrip, found 5 days ago
$249
Roundtrip
found 5 days ago
Select Air China flight, departing Mon, Aug 17 from Seoul to Singapore, returning Fri, Aug 21, priced at $249 found 5 days ago
Shandong Airlines
Thu, Sep 10 - Fri, Sep 18
ICN
Seoul
SIN
Singapore
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Shandong Airlines flight, departing Thu, Sep 10 from Seoul to Singapore, returning Fri, Sep 18, priced at $253 found 2 days ago
Vietnam Airlines
Wed, Oct 14 - Fri, Oct 16
ICN
Seoul
SIN
Singapore
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select Vietnam Airlines flight, departing Wed, Oct 14 from Seoul to Singapore, returning Fri, Oct 16, priced at $276 found 2 days ago
Xiamen Airlines
Thu, Sep 3 - Sun, Sep 6
ICN
Seoul
SIN
Singapore
$309 Roundtrip, found 1 hour ago
$309
Roundtrip
found 1 hour ago
Select Xiamen Airlines flight, departing Thu, Sep 3 from Seoul to Singapore, returning Sun, Sep 6, priced at $309 found 1 hour ago
Royal Brunei Airlines
Sat, Aug 29 - Mon, Aug 31
ICN
Seoul
SIN
Singapore
$329 Roundtrip, found 1 day ago
$329
Roundtrip
found 1 day ago
Select Royal Brunei Airlines flight, departing Sat, Aug 29 from Seoul to Singapore, returning Mon, Aug 31, priced at $329 found 1 day ago
China Eastern Airlines
Sun, Aug 23 - Sun, Sep 20
ICN
Seoul
SIN
Singapore
$362 Roundtrip, found 1 day ago
$362
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Sun, Aug 23 from Seoul to Singapore, returning Sun, Sep 20, priced at $362 found 1 day ago
Singapore Airlines
Thu, Oct 29 - Sun, Nov 1
ICN
Seoul
SIN
Singapore
$363 Roundtrip, found 6 days ago
$363
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Thu, Oct 29 from Seoul to Singapore, returning Sun, Nov 1, priced at $363 found 6 days ago
Malaysia Airlines
Sun, Aug 23 - Tue, Aug 25
ICN
Seoul
SIN
Singapore
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select Malaysia Airlines flight, departing Sun, Aug 23 from Seoul to Singapore, returning Tue, Aug 25, priced at $376 found 1 day ago

Alternative airports near Singapore

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

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $437
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $437

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

August is typically the cheapest month to fly

From $213 - $340 per traveler.

What you need to know for your flight from Incheon Intl. to Changi

Seoul (ICN) to Singapore (SIN) at a glance

Explore a range of airlines providing flights from Incheon International Airport (ICN) to Changi Airport (SIN) on this popular long-haul route to Singapore. Whether you're seeking cheap flights from Seoul or prefer full-service options, you'll find various itineraries that align with your budget and travel preferences. With multiple weekly flights available, planning your journey to experience Singapore's iconic attractions and vibrant neighborhoods is easier than ever.

  • Fastest flight duration: around 6h 30m non-stop
  • Route distance: roughly 2,900 miles (4,670 km)
  • Flights per week: around 12 departures on average
  • Typical fares (one-way): economy tickets often range from $100–$615, depending on seasonality and how far ahead you book

Flights from Incheon International Airport (ICN) to Changi Airport (SIN)

According to recent traveler bookings, the most popular airlines for flights from Seoul to Singapore include both non-stop and one-stop options. Many travelers prefer connecting flights with layovers at Pudong International Airport (PVG), which typically has a 2h 15m layover, Hong Kong International Airport (HKG) with around a 2h 45m layover, and Tan Son Nhat International Airport (SGN) offering a shorter 1-hour layover. This variety allows you to compare prices, overall travel times, and cabin classes to create the ideal itinerary.

  • Korean Air: This comprehensive airline provides non-stop flights, with one-way ticket prices generally falling between $170 and $1005. It represents around 27% of departures for this route, with a journey duration of 6 hours and 30 minutes.
  • Singapore Airlines: Renowned for its full-service offerings, this carrier features both non-stop and one-stop options. One-way fares usually range from $205 to $1225, covering about 25% of departures, with a typical non-stop travel time of 6 hours and 30 minutes.
  • Scoot: As a budget airline, Scoot provides non-stop services, with one-way fares typically between $100 and $425. It accounts for approximately 15% of departures on this route, and the total travel duration is 6 hours and 30 minutes.
  • Asiana Airlines: A full-service option, Asiana Airlines offers non-stop flights, with one-way tickets priced between $180 and $960. This airline handles about 12% of departures, maintaining a total travel time of 6 hours and 30 minutes.
  • Jeju Air: This low-cost carrier specializes in non-stop services, with one-way fares generally ranging from $100 to $320. Jeju Air contributes around 3% of departures on this route, with the overall journey lasting 6 hours and 30 minutes.

Travelers flying from Seoul to Singapore have the option to upgrade their flight experience. Korean Air provides both business class and premium economy service, while Singapore Airlines and Asiana Airlines each offer business class for a more luxurious journey.

Best time to fly from Seoul (ICN) to Singapore (SIN)

The most popular months for travelers flying from Seoul to Singapore are March, September, and October, when peak temperatures in Singapore reach up to 82.2°F in October. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 82.2°F. For better deals, November usually offers the lowest average one-way fare around $309. Flight availability peaks in September, with approximately 22 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: November usually offers good deals with average one-way fare around $309, roughly 29% cheaper than the yearly average.
  • Another budget-friendly time to fly: August typically offers an average one-way fare of around $339.
  • Most flight options: September has the highest number of flights from Seoul to Singapore, with approximately 22 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January79.7°F (26.5°C)Average10$541
February80.2°F (26.8°C)Average10$442
March81.3°F (27.4°C)High11$403
April82.6°F (28.1°C)Average11$437
May83.3°F (28.5°C)Low9$367
June82.9°F (28.3°C)Average14$535
July82.4°F (28.0°C)Low9$387
August82.2°F (27.9°C)Low8$339
September82.0°F (27.8°C)High22$550
October82.2°F (27.9°C)High15$426
November81.3°F (27.4°C)Average12$309
December80.2°F (26.8°C)Average11$536

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Seoul (ICN) to Singapore (SIN)

  • Seoul to Singapore (GMP-SIN): Located approximately 21 miles from Incheon International Airport (ICN), Gimpo International Airport (GMP) offers convenient access to this route.

How to find the best prices for flights from Seoul (ICN) to Singapore (SIN)

Getting some of the best deals on flights from Seoul to Singapore is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book 2-8 weeks ahead. Evening departures (6 PM to 12 AM) often offer lower prices, while afternoon flights (12 PM to 6 PM) are the most popular. Additionally, flying on Thursday generally results in cheaper fares, even though Monday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Singapore hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Changi Airport from Incheon International Airport

Singapore welcomes travelers from Seoul with a range of transport options based on price, convenience, and proximity. Here's how to reach Singapore efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Singapore, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Changi Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Changi Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Changi Airport, F Station, a metro station, is located about 0.1 miles away on foot, providing easy access to public transport, while Tanah Merah Ferry Terminal, a ferry terminal, is situated about 4.9 miles away by car.

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights from $112 and cheap return flights from $239 Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) with Expedia. One-way flights usually range from $144 to $1255, and return flights typically cost between $321 and $2390. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
The cheapest month to fly from ICN to SIN is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
There are 8 airlines offering direct flights from ICN to SIN:

  • Singapore Airlines operates around 27 direct flights from ICN to SIN every week
  • Korean Air operates around 20 direct flights from ICN to SIN every week
  • Jeju Air operates around 8 direct flights from ICN to SIN every week
  • Jeju Air with Bag operates around 8 direct flights from ICN to SIN every week
  • Asiana Airlines operates around 7 direct flights from ICN to SIN every week

What is the cheapest airline that flies from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
T'Way Air is one of the cheapest airlines offering connecting flights from Seoul (ICN) to Singapore (SIN), with round-trip tickets starting from around $208. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
The best airline to fly with from Seoul (ICN) to Singapore (SIN) will differ from traveler to traveler. If you like to fly early, Singapore Airlines offers early morning flights. If price is the most important factor, Jeju Air with Bag typically offers the lowest fares. Vietjet Air offers the most daily flights from ICN to SIN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
On average, there are around 12 nonstop flights per day from Incheon Intl. (ICN) to Changi (SIN). For more options, look at flights that include layovers.
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
The earliest flight from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) typically departs at 12:10 AM, operated by Malaysia Airlines. This early departure can be a great way to start your journey to Singapore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
The most popular departure times for flights from Seoul (ICN) to Singapore (SIN) are from 9am to 12pm. About 27% of passengers prefer this time window. Many major carriers, including Thai Airways, Cathay Pacific and Singapore Airlines, offer flights during this window. This timing works well because it allows you to start your day with a morning flight.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
A nonstop flight from ICN to SIN typically takes around 6 hours 50 minutes, covering approximately 2,874 miles. Connecting flights on this route usually add 7 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
You can fly business class between ICN and SIN. Airlines that offer business class service on this route include:

  • Thai Airways International
  • Singapore Airlines
  • Korean Air
  • Malaysia Airlines
  • China Southern Airlines
  • Vietnam Airlines
  • Cathay Pacific
  • China Eastern Airlines
  • Air China
  • Philippine Airlines

How much is a business class flight from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
A direct, return business class ticket from Seoul (ICN) to Singapore (SIN) typically costs between $2,061 - $2,986. A non-stop, one-way business class flight is usually around $935 - $1,013. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Singapore from Incheon Intl. (ICN)?
If you're planning to travel to Singapore from Incheon Intl. (ICN), you can fly into Changi (SIN) Some flights may connect through major hubs like Capital Intl. (PEK), Taoyuan Intl. (TPE), Kansai Intl. (KIX) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) Singapore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi)?
If you booked your Seoul (ICN-Incheon Intl.) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
Changi
Airlines serving
Air China, Air Macau Company, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, EVA Airways, Garuda Indonesia, Hahn Air Systems, Japan Airlines, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Shandong Airlines, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Roundtrip price
$239
Distance
2874 mi
Average flight time
5 hours 34 mins

Book with confidence

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 August. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $112 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.

 

Seoul to Singapore Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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