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$64+ Cheap flights from Incheon Intl (ICN) to Singapore (SIN)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SIN
abr. 26 — may. 31
dom. 4/26
dom. 5/3
1 adult, Economy
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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 Friday or Thursday and return on a Wednesday

Cheap flight deals from Incheon Intl to Singapore

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 marzo 27, 2026.

This Jeju Air deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/166:10 pm
ICN
-
SIN
Nonstop6h 30m
Jeju Air
lun. 4/2012:50 am
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 3/27$182
This Jeju Air deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/166:10 pm
ICN
-
SIN
Nonstop6h 30m
Jeju Air
mié. 4/2212:50 am
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 3/23$183
This Jeju Air deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/96:10 pm
ICN
-
SIN
Nonstop6h 30m
Jeju Air
lun. 4/1312:50 am
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 3/25$184
This Jeju Air deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/186:10 pm
ICN
-
SIN
Nonstop6h 30m
Jeju Air
lun. 4/2012:50 am
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 3/27$185
This Jeju Air deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/256:10 pm
ICN
-
SIN
Nonstop6h 30m
Jeju Air
lun. 4/2712:50 am
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 3/24$186
This Jeju Air deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/256:10 pm
ICN
-
SIN
Nonstop6h 30m
Jeju Air
dom. 4/2612:50 am
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 3/24$187
This Jeju Air deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/176:10 pm
ICN
-
SIN
Nonstop6h 30m
Jeju Air
sáb. 4/1812:50 am
SIN
-
ICN
Nonstop6h 50m
Jeju Air
Deal found 3/23$189
This Booking.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/246:10 pm
ICN
-
SIN
Nonstop6h 30m
Multiple Airlines
mar. 4/289:20 pm
SIN
-
ICN
1 stop8h 40m
Multiple Airlines
Deal found 3/23$196
This T'way Air deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/133:50 pm
ICN
-
SIN
Nonstop6h 40m
T'way Air
lun. 5/1811:00 pm
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 3/26$199
This Booking.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/66:10 pm
ICN
-
SIN
Nonstop6h 30m
Multiple Airlines
mar. 5/124:10 pm
SIN
-
ICN
1 stop13h 50m
Multiple Airlines
Deal found 3/23$206
This T'way Air deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/303:50 pm
ICN
-
SIN
Nonstop6h 40m
T'way Air
dom. 4/2611:00 pm
SIN
-
ICN
Nonstop6h 45m
T'way Air
Deal found 3/25$207

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 marzo 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(Jeju Air)

One-way from

$64
(Booking.com)

Popular in

October

Cheapest in

May

Average price

$316

Good round-trip deal

$380 or less

Good one-way deal

$116 or less
Provider with most accurate pricing for Incheon Intl-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Incheon Intl-Singapore Changi flights.
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From Incheon Intl to Singapore Changi
Search Deals
One-way flight from Incheon Intl to Singapore Changi
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT 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

 
Customize 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 2,558,603 searches. Data last updated marzo 27, 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 round-trip

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

mié. 4/22

3:50 pm-9:30 pm

Nonstop6h 40m

Singapore Changi

dom. 4/26

11:00 pm-6:45 am

Nonstop6h 45m

$220

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

jue. 4/9

6:10 pm-11:40 pm

Nonstop6h 30m

Singapore Changi

dom. 4/12

12:50 am-8:40 am

Nonstop6h 50m

$237

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

mié. 4/22

6:10 pm-11:40 pm

Nonstop6h 30m

Singapore Changi

mar. 4/28

12:50 am-8:40 am

Nonstop6h 50m

$238

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

mié. 4/22

6:10 pm-11:40 pm

Nonstop6h 30m

Singapore Changi

sáb. 4/25

12:50 am-8:40 am

Nonstop6h 50m

$239

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

mar. 4/14

3:50 pm-9:30 pm

Nonstop6h 40m

Singapore Changi

lun. 4/20

11:00 pm-6:45 am

Nonstop6h 45m

$271

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

dom. 6/21

11:00 am-12:10 am

1 stop14h 10m

Singapore Changi

vie. 6/26

9:55 am-9:15 pm

1 stop10h 20m

$279

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

lun. 5/11

6:10 pm-11:40 pm

Nonstop6h 30m

Singapore Changi

jue. 5/14

12:50 am-8:40 am

Nonstop6h 50m

$282

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

mar. 4/14

6:10 pm-11:40 pm

Nonstop6h 30m

Singapore Changi

mié. 4/15

12:50 am-8:40 am

Nonstop6h 50m

$291
Quickest round-trip

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

mar. 8/25

6:40 pm-11:55 pm

Nonstop6h 15m

Singapore Changi

dom. 8/30

7:30 am-3:00 pm

Nonstop6h 30m

$292

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

vie. 9/4

11:35 pm-5:00 am

Nonstop6h 25m

Singapore Changi

mié. 9/9

7:30 am-3:00 pm

Nonstop6h 30m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
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Compare providers for flights from Incheon Intl to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Singapore in March.
ProviderPrice AccuracyTrust Score*
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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 March 13, 2026.

The best time to book flights from Incheon Intl Airport to Singapore is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $156). Flying from Incheon Intl Airport to Singapore in January is currently the most expensive (average of $246). 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 marzo 27, 2026.

One of the essential ways to save on airfare from Incheon Intl Airport to Singapore is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Singapore. Price data was last updated on March 23, 2026.

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

How much does it cost to fly round-trip from Incheon Intl Airport to Singapore?

The best insider tips for Incheon Intl Airport to Singapore flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to Singapore trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on Singapore Airlines and ICN

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on Korean Air and SIN

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

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 marzo 27, 2026.
Peruse reviews from past customers who have flown with Korean Air,Singapore Airlines, andAsiana Airlines from Incheon Intl Airport to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,203 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

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

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

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

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

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!!
Asiana Airlines
8.1
Very good
506 reviews
Korean Air
8.4
Very good
1,203 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

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

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

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?

    For a flight from Incheon Intl to Singapore, you will be flying into Changi. Singapore Changi (SIN) is just 10.5 mi from the center of the city. Changi is the only Singapore airport and it handles 20 inbound flights from Incheon Intl per day. 7 airlines have flights to Singapore Changi from Incheon Intl on a regular basis.

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

    Departing from Incheon Intl Airport to Singapore will take you 6h 30m. The distance between Incheon Intl Airport and Singapore is about 2872 mi. Most flights are nonstop.

  • 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 Jeju Air. Our recent data shows that you can find tickets from as low as $55 on this airline. Additional options worth looking into are Scoot and T'way Air, starting at $79 and $110 round-trip. Jeju Air is 83% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Jeju Air, which is currently one of the cheapest options available, starting at $66. T'way Air flights start at $72 while deals on Scoot start at $81 one-way.

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

    Consider Air India (93%), Virgin Australia (93%) or T'way Air (88%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to Singapore.

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

    Looking at all options, your cheapest flight can be booked for $95. While the most popular route (Incheon Intl - Singapore Changi) can be booked for $243 on average, our data indicates $483 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 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, October is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of $156). Flying from Incheon Intl Airport to Singapore in January is currently the most expensive (average of $246). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Incheon Intl to Singapore

Discover the top 7 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 2,558,603 searches. Data last updated marzo 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Jeju AirCheapest$55Average$271FlexibilityNo cancel feeOn-timeN/A
ScootCheapest$79Average$307FlexibilityNo cancel feeOn-timeN/A
T'way AirCheapest$110Average$280FlexibilityNo cancel feeOn-time88%
Vietnam AirlinesCheapest$219Average$254FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$281Average$432FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$310Average$528FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$315Average$386FlexibilityNo cancel feeOn-time81%

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