Cheap flights from Incheon Intl Airport to Singapore from S$ 151

ICN — SIN
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Incheon Intl to Singapore Changi are usually found in April or March, booked 44 days in advance, depart on a Sunday or Friday and return on a Monday

Cheap flight deals from Incheon Intl to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to Singapore

Thu 5-1120:50 -
1 stop20h 50m
Wed 11-1123:00 -
1 stop11h 55m
Deal found 2-11S$ 367
Fri 6-1120:50 -
1 stop20h 50m
Thu 12-1118:00 -
1 stop16h 55m
Deal found 1-11S$ 368
Sat 7-1119:55 -
1 stop18h 00m
Mon 16-1113:55 -
2 stops22h 20m
Deal found 5-11S$ 369
Thu 26-1116:20 -
1 stop11h 05m
Mon 30-1106:30 -
1 stop15h 15m
Deal found 2-11S$ 370
Wed 18-1114:30 -
1 stop15h 55m
Mon 23-1113:55 -
2 stops22h 20m
Deal found 3-11S$ 372
Mon 23-1112:15 -
1 stop29h 25m
Fri 27-1113:55 -
2 stops22h 20m
Deal found 3-11S$ 373
Thu 19-1120:50 -
1 stop20h 50m
Sun 22-1106:30 -
1 stop15h 15m
Deal found 2-11S$ 374
Tue 24-1112:55 -
1 stop17h 30m
Fri 27-1113:55 -
2 stops22h 20m
Deal found 2-11S$ 375
Wed 25-1116:20 -
1 stop14h 05m
Fri 27-1113:55 -
2 stops22h 20m
Deal found 2-11S$ 377
Fri 27-1111:50 -
2 stops18h 40m
Mon 30-1113:55 -
1 stop28h 00m
Deal found 2-11S$ 378
Fri 6-1111:50 -
2 stops15h 10m
Sun 8-1113:55 -
1 stop28h 00m
Deal found 2-11S$ 379
Fri 6-1112:15 -
2 stops18h 15m
Mon 9-1106:30 -
1 stop15h 15m
Deal found 2-11S$ 381

Find flight deals from Incheon Intl to Singapore

Round-trip from

S$ 367

One-way from

S$ 151

Popular in

December

Cheapest in

April

Average price

S$ 628

Good round-trip deal

S$ 185 or less

Good one-way deal

S$ 234 or less
China Eastern
  • China Eastern
  • 29-11-5-12
  • 2 total stops
  • 39h 50m total
  • Incheon to Singapore
AirAsia
  • AirAsia
  • 23-2-31-12
  • 1 total stop
  • 11h 25m total
  • Incheon to Singapore
Highest demand for flights based on searches. 19% potential increase in price (S$ 157 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (S$ 23 potential savings vs. average return price).
Average for round-trip flights in November 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

 
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 Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Wed 25-11

18:10-00:10

Nonstop7h 00m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 163

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Mon 16-11

23:55-18:45

1 stop19h 50m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 185

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Sun 7-3

23:55-18:45

1 stop19h 50m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 185

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Sun 14-3

23:55-18:45

1 stop19h 50m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 186

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Tue 15-12

23:55-18:45

1 stop19h 50m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 186

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Mon 7-12

18:10-00:10

Nonstop7h 00m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 190

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Sun 6-12

18:10-00:10

Nonstop7h 00m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 217

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Fri 5-3

18:10-00:10

Nonstop7h 00m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 267

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Tue 17-11

18:10-00:10

Nonstop7h 00m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 284

IncheonSingapore

ICN Incheon Intl - SIN Singapore Changi

ICNSIN

Incheon Intl

Sun 3-1

23:55-18:45

1 stop19h 50m

Singapore Changi

Wed 31-12

00:00-01:30

Nonstop0h 00m

S$ 309

Flights are sorted by cheapest return flights first.

Deals found on 4-11

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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 43 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, April is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of S$ 363). Flying from Incheon Intl Airport to Singapore in December is currently the most expensive (average of S$ 702). 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?

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 46% versus a flight in the evening.

What is the cheapest day to fly from Incheon Intl Airport to Singapore?

Travellers seeking maximum savings on their Incheon Intl Airport to Singapore flight should consider departing on Sunday at midday when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Airfare is below average for this route at the moment.

Incheon Intl Airport to Singapore flights typically cost between S$ 458 and S$ 734 in November.
The cheapest return price found within the last 5 days was S$ 367 on China Eastern (29 Nov–5 Dec).

Reviews of airlines servicing Singapore

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.

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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!!

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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!!

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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!!

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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!!

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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

  • 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 39 daily inbound flights from Incheon Intl from 5 different airlines.

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

    Airlines like China Eastern fly from Incheon Intl Airport to Singapore in about 18h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4622 km.

  • 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 Trinity Airways (Formerly T'way Air). Our recent data shows that you can find tickets from as low as S$ 331 on this airline. Additional options worth looking into are Scoot and Singapore Airlines, starting at S$ 384 and S$ 384 round-trip. Users have found that Trinity Airways (Formerly T'way Air) is 36% 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), Vietnam Airlines (S$ 82), and Trinity Airways (Formerly T'way Air) (S$ 88).

  • 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: SriLankan Airlines (95%), Trinity Airways (Formerly T'way Air) (92%), Delta (89%).

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

    Looking at all options, your cheapest flight can be booked for S$ 143. While the most popular route (Incheon Intl - Singapore Changi) can be booked for S$ 333 on average, our data indicates S$ 430 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, April is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of S$ 363). Flying from Incheon Intl Airport to Singapore in December is currently the most expensive (average of S$ 702). 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

Browse thousands of different options on Cheapflights for your next trip

Fly from Incheon Intl to Singapore on these airlines

Top 5 airlines flying from Incheon Intl to Singapore

AirlineCheapestAverageFlexibilityOn-time
Trinity Airways (Formerly T'way Air)CheapestS$ 331AverageS$ 439FlexibilityNo cancel feeOn-time88%
Search Trinity Airways (Formerly T'way Air) flights
ScootCheapestS$ 384AverageS$ 562FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Singapore AirlinesCheapestS$ 384AverageS$ 485FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Jeju AirCheapestS$ 395AverageS$ 508FlexibilityNo cancel feeOn-timeN/A
Search Jeju Air flights
Korean AirCheapestS$ 584AverageS$ 680FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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