Cheap flights from Incheon Intl Airport to Singapore from S$ 145

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 17-8. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SIN
20 Jun — 27 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to Singapore Changi are usually found in September or August, booked 55 days in advance, depart on a Thursday or Friday 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 21 May 2026.

Fri 19-615:50
ICN
-
SIN
Nonstop6h 40m
T'way Air
Fri 26-623:00
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 19-5S$ 283
Thu 4-615:50
ICN
-
SIN
Nonstop6h 40m
Multiple Airlines
Mon 8-619:15
SIN
-
ICN
1 stop9h 45m
Multiple Airlines
Deal found 20-5S$ 287
Sun 7-615:50
ICN
-
SIN
Nonstop6h 40m
Multiple Airlines
Mon 8-619:15
SIN
-
ICN
1 stop9h 45m
Multiple Airlines
Deal found 19-5S$ 291
Sun 7-615:50
ICN
-
SIN
Nonstop6h 40m
T'way Air
Sat 20-623:00
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 20-5S$ 293
Wed 3-615:50
ICN
-
SIN
Nonstop6h 40m
T'way Air
Sat 6-623:00
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 20-5S$ 296
Mon 25-515:50
ICN
-
SIN
Nonstop6h 40m
T'way Air
Sat 30-523:00
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 19-5S$ 305
Fri 5-615:50
ICN
-
SIN
Nonstop6h 40m
T'way Air
Sun 7-623:00
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 19-5S$ 311
Wed 27-515:50
ICN
-
SIN
Nonstop6h 40m
Multiple Airlines
Mon 1-619:15
SIN
-
ICN
1 stop9h 45m
Multiple Airlines
Deal found 20-5S$ 312
Thu 16-715:50
ICN
-
SIN
Nonstop6h 40m
Multiple Airlines
Sun 19-702:15
SIN
-
ICN
Nonstop6h 30m
Multiple Airlines
Deal found 19-5S$ 314
Tue 9-615:50
ICN
-
SIN
Nonstop6h 40m
T'way Air
Sat 13-623:00
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 20-5S$ 315
Mon 25-511:00
ICN
-
SIN
Nonstop6h 25m
Scoot
Sun 31-502:15
SIN
-
ICN
Nonstop6h 30m
Scoot
Deal found 20-5S$ 320
Wed 15-723:00
ICN
-
SIN
1 stop8h 00m
Multiple Airlines
Tue 21-723:00
SIN
-
ICN
Nonstop6h 45m
Multiple Airlines
Deal found 20-5S$ 321

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 21 May 2026.

Round-trip from

S$ 283

One-way from

S$ 145

Popular in

October

Cheapest in

September

Average price

S$ 450

Good round-trip deal

S$ 230 or less

Good one-way deal

S$ 208 or less
T'way Air
  • T'way Air
  • 19-6-26-6
  • Nonstop
  • 13h 25m total
  • Incheon to Singapore
Scoot
  • Scoot
  • 17-8
  • Nonstop
  • 6h 25m total
  • Incheon to Singapore
Highest demand for flights based on searches. 2% potential increase in price (S$ 17 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (S$ 24 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Incheon Intl to Singapore Changi.
Price to beat on a one-way flight from Incheon Intl to Singapore Changi.

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 21 May 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

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 6-8

22:15-00:10

1 stop26h 55m

Singapore Changi

Sun 9-8

01:15-21:15

1 stop19h 00m

S$ 385

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 23-7

23:40-00:10

1 stop25h 30m

Singapore Changi

Sun 26-7

01:15-23:50

1 stop21h 35m

S$ 385

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Tue 23-6

14:15-05:25

2 stops16h 10m

Singapore Changi

Sun 28-6

00:55-14:50

1 stop12h 55m

S$ 442

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Wed 8-7

11:00-00:10

1 stop14h 10m

Singapore Changi

Sat 11-7

18:15-21:15

1 stop26h 00m

S$ 444

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 16-7

15:55-15:45

2 stops24h 50m

Singapore Changi

Sun 19-7

23:10-14:55

2 stops14h 45m

S$ 448

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Sat 6-6

07:45-01:30

1 stop18h 45m

Singapore Changi

Tue 9-6

02:30-20:45

3 stops17h 15m

S$ 453

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 13-7

08:35-00:10

1 stop16h 35m

Singapore Changi

Wed 22-7

01:15-23:50

1 stop21h 35m

S$ 462

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Wed 15-7

15:55-05:25

2 stops14h 30m

Singapore Changi

Mon 20-7

23:10-11:55

1 stop11h 45m

S$ 467

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Fri 14-8

12:55-21:55

1 stop10h 00m

Singapore Changi

Mon 17-8

18:25-15:10

1 stop19h 45m

S$ 468
Fastest return journey

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 10-9

15:50-21:30

Nonstop6h 40m

Singapore Changi

Tue 15-9

23:00-06:45

Nonstop6h 45m

S$ 495

Flights are sorted by cheapest return flights first.

Deals found on 20-5

Showing 1-10 of 22 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?

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 54 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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of S$ 323). Flying from Incheon Intl Airport to Singapore in October is currently the most expensive (average of S$ 641). 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 21 May 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 20% versus a flight in the evening.

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 21 May 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.

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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!!

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.5

Crew

8.7

Entertainment

8.2

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 34 daily inbound flights from Incheon Intl from 5 different airlines.

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

    Airlines like Shandong Airlines and China Eastern fly from Incheon Intl Airport to Singapore in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 10h 45m. Airlines will cover a distance of 4622 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 144 on this airline. Additional options worth looking into are Scoot and Jeju Air, starting at S$ 156 and S$ 266 round-trip. Users have found that T'way Air is 68% 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$ 76), T'way Air (S$ 80), and Vietnam Airlines (S$ 104).

  • 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: T'way Air (97%), SriLankan Airlines (93%), Air India (92%).

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

    Looking at all options, your cheapest flight can be booked for S$ 136. While the most popular route (Incheon Intl - Singapore Changi) can be booked for S$ 174 on average, our data indicates S$ 687 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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of S$ 323). Flying from Incheon Intl Airport to Singapore in October is currently the most expensive (average of S$ 641). 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 21 May 2026.

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 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapestS$ 144AverageS$ 382FlexibilityNo cancel feeOn-time88%
Search T'way Air flights
ScootCheapestS$ 156AverageS$ 677FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Jeju AirCheapestS$ 266AverageS$ 568FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Singapore AirlinesCheapestS$ 386AverageS$ 490FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Korean AirCheapestS$ 407AverageS$ 671FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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How does Cheapflights help users find flights 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.

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