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.

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 |
Fly from
Fly to
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
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
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
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
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
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
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
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
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
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
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
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.
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.
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.
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.
About 27% of weekly flights between Incheon and Singapore have experienced delays in the past year, with the average delay time being 122 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 20% of flights being delayed.
Ho Chi Minh City (SGN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Incheon Intl Airport to Singapore on Cheapflights.
Hanoi (HAN) is the most affordable 1-stop option, with an average round-trip price of $236.
Flights via Ho Chi Minh City (SGN) have the shortest average one-way travel time for 1-stop routes: 9h 50m.
Flights via Ho Chi Minh City (SGN) offer the fastest connection on this route, with an average layover time of 2h 05m.
Food
Entertainment
Crew
Overall
Comfort
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Food
Entertainment
Crew
Overall
Comfort
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Food
Entertainment
Crew
Overall
Comfort
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Food
Entertainment
Crew
Overall
Comfort
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
Food
Entertainment
Crew
Overall
Comfort
Boarding
Reviews
Jacqueline,Aug 2025
ICN - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$110 | Average$305 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$170 | Average$265 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$178 | Average$271 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$408 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$310 | Average$425 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$315 | Average$383 | FlexibilityNo cancel fee | On-time81% |