Enjoy duck-down bedding in Asiana's business suite for a restful sleep on long flights.
Asiana's Economy Smartium offers 36” seat pitch for extra comfort on longer flights.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $190 (Kiwi.com) |
One-way from | $123 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $356 |
Good round-trip deal | $553 or less |
Good one-way deal | $239 or less |
Fly from
Fly to
Route
Depart
Return
Price
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Tue 3/17
2:25 am-9:55 am
Nonstop5h 30m
Incheon Intl
Fri 3/20
12:10 pm-4:20 pm
Nonstop6h 10m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Fri 3/13
2:25 am-9:55 am
Nonstop5h 30m
Incheon Intl
Sat 3/14
12:10 pm-4:20 pm
Nonstop6h 10m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Wed 6/3
10:15 pm-4:35 pm
1 stop16h 20m
Incheon Intl
Mon 6/15
10:35 am-6:30 pm
1 stop9h 55m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Wed 5/20
7:05 pm-5:50 am
1 stop8h 45m
Incheon Intl
Tue 5/26
11:05 am-5:05 pm
1 stop8h 00m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Sun 5/10
7:05 pm-5:50 am
1 stop8h 45m
Incheon Intl
Sat 5/16
10:35 am-6:30 pm
1 stop9h 55m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Wed 5/13
3:55 pm-5:50 am
1 stop11h 55m
Incheon Intl
Tue 5/19
11:05 am-5:05 pm
1 stop8h 00m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Sun 5/31
7:05 pm-5:50 am
1 stop8h 45m
Incheon Intl
Fri 6/19
10:35 am-6:30 pm
1 stop9h 55m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Thu 4/16
7:05 pm-5:50 am
1 stop8h 45m
Incheon Intl
Wed 4/22
5:55 pm-10:20 am
1 stop18h 25m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Thu 1/22
2:25 am-9:55 am
Nonstop5h 30m
Incheon Intl
Fri 1/30
12:10 pm-4:20 pm
Nonstop6h 10m
BangkokIncheon
BKK - ICN
BKKICN
Bangkok Suvarnabhumi
Mon 2/16
2:25 am-9:55 am
Nonstop5h 30m
Incheon Intl
Sat 2/28
12:10 pm-4:20 pm
Nonstop6h 10m
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
The best time to book flights from Bangkok Suvarnabhumi Airport to Incheon Intl Airport is 63 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 Bangkok Suvarnabhumi Airport to Incheon Intl Airport (average of $89). Flying from Bangkok Suvarnabhumi Airport to Incheon Intl Airport in February is currently the most expensive (average of $206). 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.
When flying from Bangkok Suvarnabhumi Airport to Incheon Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 27% of weekly flights between Bangkok and Incheon have experienced delays in the past year, with the average delay time being 127 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Air Busan have had the lowest number of delays on this route, with just 12% of flights being delayed.
Crew
Boarding
Food
Overall
Comfort
Entertainment
Reviews
Anonymous,Jan 2026
EWR - ICN
Crew
Boarding
Food
Overall
Comfort
Entertainment
Reviews
Anonymous,Jan 2026
EWR - ICN
Crew
Boarding
Food
Overall
Comfort
Entertainment
Reviews
Anonymous,Jan 2026
EWR - ICN
Crew
Boarding
Food
Overall
Comfort
Entertainment
Reviews
Anonymous,Jan 2026
EWR - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$306 | FlexibilityNo cancel fee | On-time94% | |
| Cheapest$110 | Average$254 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$131 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$146 | Average$231 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$169 | Average$535 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$170 | Average$240 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$283 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$271 | Average$309 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$380 | Average$517 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$384 | Average$485 | FlexibilityNo cancel fee | On-time77% |