Singapore

$96+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SIN
Jan 27 — Feb 31
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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 Wednesday or Friday and return on a Sunday

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 December 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 pmICN - SIN
1 stop19h 40mMultiple Airlines
Mon 1/511:00 pmSIN - ICN
Nonstop6h 35mMultiple Airlines
Deal found 12/26$349
This Kiwi.com deal was found by Cheapflights users on 12/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:00 amICN - SIN
1 stop17h 05mMultiple Airlines
Thu 1/110:35 pmSIN - ICN
1 stop16h 25mMultiple Airlines
Deal found 12/27$412
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:15 pmICN - SIN
2 stops38h 00mMultiple Airlines
Fri 1/23:00 amSIN - ICN
Nonstop6h 15mMultiple Airlines
Deal found 12/26$414
This CheapOair deal was found by Cheapflights users on 12/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:20 amICN - SIN
1 stop11h 20mMultiple Airlines
Sun 1/45:15 pmSIN - ICN
1 stop18h 50mMultiple Airlines
Deal found 12/27$428

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 December 28, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$296
(CheapOair)

One-way from

$96
(T'way Air)

Popular in

October

Cheapest in

September

Average price

$423

Good round-trip deal

$404 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Incheon Intl-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for Incheon Intl-Singapore Changi flights.
From Incheon Intl to Singapore Changi
One-way flight from Incheon Intl to Singapore Changi
Highest demand for flights based on searches. 17% potential increase in price ($69 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in December 2025
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

 
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 December 28, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Singapore that are best for you.

Fly from

Incheon Intl

Fly to

Singapore

Route

Depart

Return

Price

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Tue 2/10

6:20 pm-12:10 am

Nonstop6h 50m

Singapore Changi

Thu 2/12

1:10 am-8:40 am

Nonstop6h 30m

$307

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 3/19

11:15 pm-4:55 am

Nonstop6h 40m

Singapore Changi

Tue 3/31

2:55 pm-10:20 pm

Nonstop6h 25m

$309

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 3/12

12:35 pm-6:20 pm

Nonstop6h 45m

Singapore Changi

Wed 3/18

8:30 am-3:40 pm

Nonstop6h 10m

$310

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Fri 3/6

4:55 pm-10:30 pm

Nonstop6h 35m

Singapore Changi

Mon 3/9

8:30 am-3:40 pm

Nonstop6h 10m

$310

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Fri 3/20

12:35 pm-6:20 pm

Nonstop6h 45m

Singapore Changi

Wed 3/25

2:35 pm-10:00 pm

Nonstop6h 25m

$310

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Thu 6/11

9:00 am-2:20 pm

Nonstop6h 20m

Singapore Changi

Sat 6/13

2:25 am-9:50 am

Nonstop6h 25m

$313

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 4/13

10:05 am-11:55 am

1 stop26h 50m

Singapore Changi

Mon 4/20

1:10 pm-6:00 am

2 stops15h 50m

$314

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Tue 2/17

6:20 pm-12:10 am

Nonstop6h 50m

Singapore Changi

Thu 2/19

1:10 am-8:40 am

Nonstop6h 30m

$314

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 3/16

4:20 pm-9:55 pm

Nonstop6h 35m

Singapore Changi

Wed 3/25

11:10 pm-6:50 am

Nonstop6h 40m

$315

IncheonSingapore

ICN - SIN

ICNSIN

Incheon Intl

Mon 3/16

4:20 pm-9:55 pm

Nonstop6h 35m

Singapore Changi

Tue 3/24

11:10 pm-6:50 am

Nonstop6h 40m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OneTravelPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
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 OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Incheon Intl Airport-Singapore flight deals on Cheapflights vs. OneTravel >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 OneTravel the most. OneTravel 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 December 26, 2025.

The best time to book flights from Incheon Intl Airport to Singapore is 40 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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of $168). Flying from Incheon Intl Airport to Singapore in December is currently the most expensive (average of $249). 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 December 28, 2025.

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 27% 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 December 27, 2025.

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
Airlines
Korean Air

Korean Air offers 33”-34” seat pitch in economy, providing more space than many competitors.


Experience traditional Korean dishes like bibimbap, a highlight of Korean Air's economy meals.

Singapore Airlines

Enjoy free unlimited Wi-Fi and extensive inflight entertainment for a seamless travel experience.


Economy passengers get 25kg baggage allowance even on a 'Lite' fare.

Airports
ICN

Plan for a little extra time at security, as lines can take up to 20 minutes, especially during busy periods.

SIN

Use the Grab app for a quick 25-minute ride to the city, cheaper than a taxi from Terminal 4.

Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Korean Air and SIN

Yulia Denisyuk

Yulia Denisyuk

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
Gabriel Leigh

Gabriel Leigh

Expert on Singapore Airlines and ICN

Gabriel Leigh

Gabriel Leigh

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

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 December 28, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Singapore 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.

Food

8.1

Entertainment

8.2

Crew

8.7

Overall

8.5

Comfort

8.3

Boarding

8.5

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

Entertainment

8.2

Crew

8.7

Overall

8.5

Comfort

8.3

Boarding

8.5

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

Entertainment

8.2

Crew

8.7

Overall

8.5

Comfort

8.3

Boarding

8.5

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

Entertainment

8.2

Crew

8.7

Overall

8.5

Comfort

8.3

Boarding

8.5

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

Entertainment

8.2

Crew

8.7

Overall

8.5

Comfort

8.3

Boarding

8.5

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 34 inbound flights from Incheon Intl per day. 7 airlines have flights to Singapore Changi from Incheon Intl on a regular basis.

  • How popular is this Incheon Intl Airport to Singapore flight route?

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

    Departing from Incheon Intl Airport to Singapore will take you 6h 40m. 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 Scoot. Our recent data shows that you can find tickets from as low as $79 on this airline. Additional options worth looking into are T'way Air and Jeju Air, starting at $110 and $178 round-trip. Scoot is 76% 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 $69 while deals on Scoot start at $81 one-way.

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

    Consider SriLankan Airlines (87%), T'way Air (83%) or Delta (76%) 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 $74. While the most popular route (Incheon Intl - Singapore Changi) can be booked for $225 on average, our data indicates $546 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, September is the cheapest month in which you can book a flight from Incheon Intl Airport to Singapore (average of $168). Flying from Incheon Intl Airport to Singapore in December is currently the most expensive (average of $249). 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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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$79Average$335FlexibilityNo cancel feeOn-timeN/A
T'way AirCheapest$110Average$305FlexibilityNo cancel feeOn-time88%
Vietnam AirlinesCheapest$170Average$265FlexibilityNo cancel feeOn-time81%
Jeju AirCheapest$178Average$271FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$295Average$408FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$310Average$425FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$315Average$383FlexibilityNo cancel feeOn-time81%

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