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Cheap flights from Incheon Intl Airport to Singapore from S$ 81

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27-5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SIN
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to Singapore Changi are usually found in May or April, booked 76 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Cheap flight deals from Incheon Intl to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to Singapore
Explore the most affordable flight options available from Incheon Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2026.

Thu 23-418:10
ICN
-
SIN
Nonstop6h 30m
Jeju Air
Sat 25-400:50
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 30-3S$ 233
Thu 9-418:10
ICN
-
SIN
Nonstop6h 30m
Jeju Air
Mon 13-400:50
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 28-3S$ 235
Sat 18-418:10
ICN
-
SIN
Nonstop6h 30m
Jeju Air
Tue 21-400:50
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 30-3S$ 239
Wed 13-518:10
ICN
-
SIN
Nonstop6h 30m
Jeju Air
Sun 17-500:50
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 30-3S$ 241
Fri 8-518:10
ICN
-
SIN
Nonstop6h 30m
Jeju Air
Sun 10-500:50
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 30-3S$ 246
Wed 1-415:50
ICN
-
SIN
Nonstop6h 40m
Multiple Airlines
Tue 30-620:45
SIN
-
ICN
1 stop9h 15m
Multiple Airlines
Deal found 26-3S$ 249
Wed 15-418:10
ICN
-
SIN
Nonstop6h 30m
Jeju Air
Tue 21-400:50
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 29-3S$ 253
Wed 1-415:50
ICN
-
SIN
Nonstop6h 40m
Multiple Airlines
Thu 23-420:45
SIN
-
ICN
1 stop9h 15m
Multiple Airlines
Deal found 28-3S$ 257
Thu 14-518:10
ICN
-
SIN
Nonstop6h 30m
Jeju Air
Sun 17-500:50
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 30-3S$ 263
Thu 18-608:35
ICN
-
SIN
1 stop16h 35m
Shandong Airlines
Sun 21-601:15
SIN
-
ICN
1 stop20h 25m
Shandong Airlines
Deal found 28-3S$ 264

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 31 March 2026.

Round-trip from

S$ 233

One-way from

S$ 81

Popular in

October

Cheapest in

May

Average price

S$ 408

Good round-trip deal

S$ 166 or less

Good one-way deal

S$ 90 or less
Jeju Air
  • Jeju Air
  • 23-4-25-4
  • Nonstop
  • 13h 20m total
  • Incheon to Singapore
Search Deals
Jeju Air
  • Jeju Air
  • 27-5
  • Nonstop
  • 6h 30m total
  • Incheon to Singapore
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (S$ 60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (S$ 29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Incheon Intl to Singapore Changi.
Search Deals
Price to beat on a one-way flight from Incheon Intl to Singapore Changi.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Incheon Intl to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 31 March 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 7-5

18:10-23:40

Nonstop6h 30m

Singapore Changi

Sun 10-5

00:50-08:40

Nonstop6h 50m

S$ 339

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Fri 29-5

18:10-23:40

Nonstop6h 30m

Singapore Changi

Mon 1-6

00:50-08:40

Nonstop6h 50m

S$ 383

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 11-6

18:10-23:40

Nonstop6h 30m

Singapore Changi

Mon 15-6

00:50-08:40

Nonstop6h 50m

S$ 393

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 15-6

18:10-23:40

Nonstop6h 30m

Singapore Changi

Wed 17-6

00:50-08:40

Nonstop6h 50m

S$ 396

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Tue 14-4

18:10-23:40

Nonstop6h 30m

Singapore Changi

Sun 26-4

00:50-08:40

Nonstop6h 50m

S$ 411

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Fri 5-6

18:10-23:40

Nonstop6h 30m

Singapore Changi

Tue 9-6

00:50-08:40

Nonstop6h 50m

S$ 418

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 2-7

18:10-23:40

Nonstop6h 30m

Singapore Changi

Sat 4-7

00:50-08:40

Nonstop6h 50m

S$ 418

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 22-6

18:10-23:40

Nonstop6h 30m

Singapore Changi

Fri 26-6

00:50-08:40

Nonstop6h 50m

S$ 437

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 22-6

18:10-23:40

Nonstop6h 30m

Singapore Changi

Thu 25-6

00:50-08:40

Nonstop6h 50m

S$ 439

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Sat 27-6

18:10-23:40

Nonstop6h 30m

Singapore Changi

Tue 30-6

00:50-08:40

Nonstop6h 50m

S$ 439

Flights are sorted by cheapest return flights first.

Deals found on 28-3

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 return 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

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 return flight from Incheon Intl to Singapore. Price data was last updated on 13 March 2026.

The price you pay for your flight from Incheon Intl Airport to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Incheon Intl Airport to Singapore?

Currently, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of S$ 201). Flying from Incheon Intl Airport to Singapore in January is currently the most expensive (average of S$ 317). 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 31 March 2026.

When flying from Incheon Intl Airport to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 58% versus a flight at midday.

How much does it cost for a return flight from Incheon Intl Airport to Singapore?

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 31 March 2026.
Read through reviews of airlines operating flights from Incheon Intl Airport to Singapore, such as Korean Air,Singapore Airlines, andJeju Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,203 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Singapore Airlines
8.2
Very Good
1,484 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Jeju Air
7.6
Good
36 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Scoot
6.7
Okay
322 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Entertainment

8.2

Food

8.1

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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?

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Singapore from Incheon Intl. Booking flights from Incheon Intl to Changi (SIN) should be relatively easy as there are 31 daily inbound flights from Incheon Intl from 5 different airlines.

  • How long is the flight from Incheon Intl Airport to Singapore?

    Airlines like Jeju Air fly from Incheon Intl Airport to Singapore in about 6h 30m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 4622 km. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from Incheon Intl Airport to Singapore round-trip?

    Our cheapest airline available from Incheon Intl Airport to Singapore is T'way Air. Our recent data shows that you can find tickets from as low as S$ 145 on this airline. Additional options worth looking into are Scoot and Jeju Air, starting at S$ 157 and S$ 268 round-trip. Users have found that T'way Air is 66% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Incheon Intl Airport to Singapore one-way?

    The cheapet airlines for a one-way flight from Incheon Intl Airport to Singapore are Jeju Air (S$ 73), T'way Air (S$ 82), and Vietnam Airlines (S$ 105).

  • What are the most reliable airlines from Incheon Intl Airport to Singapore?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Incheon Intl Airport to Singapore on time: Air India (93%), Virgin Australia (93%), T'way Air (88%).

  • What are the cheapest flights from Incheon Intl Airport to Singapore?

    Looking at all options, your cheapest flight can be booked for S$ 69. While the most popular route (Incheon Intl - Singapore Changi) can be booked for S$ 266 on average, our data indicates S$ 798 when flying from Incheon Intl Airport to Singapore.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of S$ 201). Flying from Incheon Intl Airport to Singapore in January is currently the most expensive (average of S$ 317). 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.

See more FAQs

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Fly from Incheon Intl to Singapore on these airlines

Choose from the following airlines for your flight from Incheon Intl to Singapore. Flights are based on user searches made on Cheapflights and were last updated on 31 March 2026.
Korean Air flights from Incheon Intl to Singapore Changi
Singapore Airlines flights from Incheon Intl to Singapore Changi
Scoot flights from Incheon Intl to Singapore Changi

Top 5 airlines flying from Incheon Intl to Singapore

Discover the top 5 airlines that operate flights from Incheon Intl to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapestS$ 145AverageS$ 343FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
ScootCheapestS$ 157AverageS$ 683FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Jeju AirCheapestS$ 268AverageS$ 573FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Singapore AirlinesCheapestS$ 388AverageS$ 494FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Korean AirCheapestS$ 400AverageS$ 677FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Incheon Intl to Singapore?

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Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Singapore?

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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?

Of course! You can now track prices for flights from Incheon Intl to Singapore and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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