Korean Air flights from Incheon Intl Airport to Singapore (ICN - SIN)

ICN — SIN
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Seoul to Singapore on Korean Air typically fly into Singapore Changi and depart from Incheon Intl. Select your dates above for pricing.

Korean Air flights from Incheon Intl to Singapore in 2026

Find detailed information about Korean Air flights from Incheon Intl to Singapore. Explore the options provided by Korean Air to plan your journey from Incheon Intl to Singapore. Data last updated 23 April 2026.

One-way from

S$ 345

Return from

S$ 511

Popular in

October

Cheapest in

May

Average price (all airlines)

S$ 378
Korean Air
  • Korean Air
  • 26-5
  • Nonstop
  • 6h 25m total
  • Incheon to Singapore
Korean Air
  • Korean Air
  • 31-5-22-8
  • Nonstop
  • 12h 55m total
  • Incheon to Singapore
Highest demand for flights from Incheon Intl to Singapore Changi; 7% potential price increase.
Best time to find cheap flights from Incheon Intl to Singapore Changi; 5% potential price drop.
Average price for all Incheon Intl to Singapore Changi flights (one-way and round-trip).
  • How do most travelers feel about Korean Air?

    Korean Air has received a 8.4/10 rating from 1,212 Cheapflights user reviews. If you wish to plan your next trip from Incheon Intl Airport to Singapore with Korean Air, enter your preferred travel dates above!

  • Can I get a flight from Incheon Intl Airport to Singapore on Korean Air for under S$ 382?

    7 Korean Air flights from ICN to SIN have recently been found on Cheapflights for under S$ 382. Click here to find the best deals to Singapore for your desired dates.

Find Korean Air flight deals from Incheon Intl to Singapore

Enter your travel dates to find the best prices.

Cheapest Korean Air flights from Incheon Intl to Singapore
Explore the most affordable Korean Air flight options available from Incheon Intl to Singapore. Find the lowest fares with prices last updated on 23 April 2026.

Sun 31-523:35
ICN
-
SIN
Nonstop6h 25m
Korean Air
Sat 22-807:30
SIN
-
ICN
Nonstop6h 30m
Korean Air
Deal found 21-4S$ 511
Tue 26-523:35
ICN
-
SIN
Nonstop6h 25m
Korean Air
Sun 31-507:30
SIN
-
ICN
Nonstop6h 30m
Korean Air
Deal found 23-4S$ 515
Tue 26-523:35
ICN
-
SIN
Nonstop6h 25m
Korean Air
Tue 2-607:30
SIN
-
ICN
Nonstop6h 30m
Korean Air
Deal found 21-4S$ 516

How far ahead should I book a flight from Incheon Intl Airport to Singapore with Korean Air?

Use this chart to determine the optimal time to book a return flight from Incheon Intl to Singapore. Price data was last updated on 17 April 2026.

Booking with Korean Air 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Which month is the cheapest to fly Economy class from Incheon Intl Airport to Singapore?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are October and February.

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.

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Fly from Incheon Intl to Singapore on another airline

Consider alternative airlines that service the Singapore area. Flight routes are based on user searches made on Cheapflights and were last updated on 23 April 2026.

See what others are saying about Korean Air

Read reviews and see what other travellers are saying about their experiences with Korean Air. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Korean Air for your next flight. Reviews last updated 23 April 2026.
Korean Air
8.4
Very Good
1,212 reviews
Overview

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Crew

8.7

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