Cheap flights from Incheon Intl Airport to Singapore
ICN — SIN
11 Jan — 18 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to Singapore Changi are usually found in September or March, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Find flight deals from Incheon Intl to Singapore
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.
Popular in
October
Cheapest in
September
Average price
C$ 578
Highest demand for flights based on searches. 17% potential increase in price (C$ 131 potential increase over avg. RT price).
Best time to book a flight from Incheon Intl to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Incheon Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Incheon Intl Airport to Singapore
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to Singapore?
Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to Singapore. Price data was last updated on 5 December 2025.
To ensure you get the cheapest price possible for a flight from Incheon Intl Airport to Singapore, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Incheon Intl Airport to Singapore?
Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of C$ 232). Flying from Incheon Intl Airport to Singapore in December is currently the most expensive (average of C$ 343). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ICN to SIN?
Find hourly flight availability from Incheon Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.
It’s typically best to fly out from Incheon Intl Airport to Singapore in the morning. Doing so could potentially save you 55% on the flight price compared to flying at noon, which is usually more expensive.
Weekly flight availability from Incheon Intl Airport to Singapore
Explore weekly flight availability from Incheon Intl to Singapore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 December 2025.
The most flights from ICN to SIN are scheduled on a Wednesday (37 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (32 on average).
How often are flights from Incheon to Singapore delayed?
About 27% of weekly flights between Incheon and Singapore have experienced delays in the past year, with the average delay time being 122 minutes.
What is the most punctual flight time for Incheon to Singapore flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to Singapore flights?
Over the past year, Singapore Airlines has had the lowest number of delays on this route, with just 20% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Singapore from Incheon Intl?
If you book a flight to Singapore from Incheon Intl, you will be flying to Changi, which is the city’s only airport. Singapore Changi (SIN) is located 16.9 km from the centre of Singapore. There are 35 flights from Incheon Intl to Changi per day from 0 different airlines.
How popular is this Incheon Intl Airport to Singapore flight route?
Flights from Incheon Intl to Singapore Changi have been viewed 10 times in the past calendar month.
What are the most reliable airlines from Incheon Intl Airport to Singapore?
Before booking your flight to Singapore from Incheon Intl Airport, check out the most reliable airlines to get you to your destination on time: SriLankan Airlines (88%), T'way Air (80%), Delta( 74%).
Can I find deals for flights from Incheon Intl to Singapore that include hotel bookings?
Yes. In addition to deals on Incheon Intl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Incheon Intl to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Singapore.
Can I find deals for business class flights from Incheon Intl to Singapore?
Yes. Cheapflights offers flight deals from Incheon Intl to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Incheon Intl Airport to Singapore?
Currently, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of C$ 232). Flying from Incheon Intl Airport to Singapore in December is currently the most expensive (average of C$ 343). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from Incheon Intl. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Incheon Intl to Singapore?
Deals for Incheon Intl to Singapore flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Singapore?
Cheapflights helps you find that perfect flight to Singapore from Incheon Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Incheon Intl to Singapore with no change fees?
Need flexible booking options for your flight to Singapore from Incheon Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Incheon Intl to Singapore become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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