$163 Cheap Flights from Singapore (SIN) to Seoul (ICN)

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

Travel from Singapore (SIN) to Seoul (ICN) with a range of airlines offering both full-service and budget options on this long-haul route. Compare the available flights from Singapore to Seoul to find an itinerary that suits your budget and schedule as you prepare to explore the vibrant sights and neighborhoods of Seoul. Discover essential information for your journey from Changi Airport (SIN) to Incheon International Airport (ICN).

• Fastest flight duration: around 6h 30m non-stop
• Route distance: roughly 2,900 miles (4,670 km)
• Flights per week: around 10 departures on average
• Typical fares (one-way): economy tickets often range from $140–$755, depending on seasonality and how far ahead you book

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

Based on recent traveler bookings, here are the top airlines flying from Singapore to Seoul, offering both non-stop and one-stop flights. Many routes feature popular layovers, including Suvarnabhumi International Airport (BKK) with a layover of about 1 hour and 15 minutes, Capital International Airport (PEK) at around 3 hours and 45 minutes, and Kuala Lumpur International Airport (KUL) for approximately 2 hours and 45 minutes. This variety allows you to compare prices, total travel time, and cabin class to select the best itinerary for your needs.

• Korean Air: This full-service airline provides non-stop flights, with one-way prices usually ranging from $210 to $1325. It represents around 34% of departures on this route, with a total travel duration of 6 hours and 30 minutes.
• Singapore Airlines: As a full-service carrier, it offers non-stop options, with one-way fares typically between $230 and $2525. This airline makes up approximately 18% of the departures on this route, taking 6 hours and 30 minutes for the journey.
• Asiana Airlines: Another full-service option, it features non-stop flights with one-way fares generally from $230 to $1505. About 15% of departures on this route are operated by Asiana, with a total flight time of 6 hours and 30 minutes.
• Scoot: A low-cost carrier that provides non-stop service, Scoot's one-way fares range from $140 to $380. It accounts for roughly 13% of departures on this route, with a total journey time of 6 hours and 30 minutes.
• Jeju Air: This budget airline offers non-stop service, with one-way fares typically between $145 and $415. It constitutes around 3% of the departures on this route, with a total travel time of 6 hours and 30 minutes.

Travelers flying from Singapore to Seoul can opt to upgrade their journey. Top airlines include Korean Air, which provides both business class and premium economy service; Asiana Airlines, offering business class; and Singapore Airlines, also featuring business class options.

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

The most popular months for travelers flying from Singapore to Seoul are January, February, and March, when peak temperatures in Seoul reach up to 43°F in March. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 62.4°F. For better deals, January usually offers the lowest average one-way fare around $415. Flight availability peaks in May, June, October, November, and December, with approximately 12 flights per week, making it easier to find convenient departure times. April has the fewest flights, with approximately 8 flights per week.

• Cheapest time to fly: January usually offers good deals with average one-way fare around $415, roughly 20% cheaper than the yearly average.
• More budget-friendly months to fly: June and November typically offer average one-way fares of around $420.
• Most flight options: May, June, October, November, and December have the highest number of flights from Singapore to Seoul, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.

*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 routes from Singapore (SIN) to Seoul (ICN)

• Singapore to Seoul (SIN-GMP): Gimpo International Airport (GMP) is located approximately 21 miles from Incheon International Airport (ICN).
• Singapore to Suwon (SIN-SWU): Suwon Airbase Airport (SWU) is about 35 miles away from Incheon International Airport (ICN).
• Singapore to Cheongju (SIN-CJJ): Cheongju International Airport (CJJ) is roughly 78 miles from Incheon International Airport (ICN).

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

Getting some of the best deals on flights from Singapore to Seoul 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 found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures (12pm-6pm) often offer lower prices, while morning flights (5am-12pm) are the most popular. Additionally, flying on Mondays typically provides cheaper options, even though Saturdays are the busiest travel days.
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.*
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 Incheon International Airport from Changi Airport

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

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Seoul, with private rides that can be arranged in advance.
• Car rental: Renting a car from Incheon International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Incheon International 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 Incheon International Airport, Incheon Int'l Airport Terminal 2 Station, a metro station, is located about 0.1 miles away on foot, while Yongyu Station, a train station, is situated approximately 3.6 miles from the airport and is most conveniently reached by car.

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 July. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $163 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.