TG offers great food on long-haul flights, with Thai dishes like curry and pad thai.
TG's Royal Silk Business class offers three fare types with varying flexibility and mileage accrual.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $161 (Kiwi.com) |
One-way from | $87 (Thai Vietjet Air) |
Popular in | January |
Cheapest in | September |
Average price | $333 |
Good round-trip deal | $278 or less |
Good one-way deal | $150 or less |
Fly from
Fly to
Route
Depart
Return
Price
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Tue 5/12
6:00 pm-10:05 pm
Nonstop6h 05m
Bangkok Suvarnabhumi
Fri 5/15
12:05 am-7:40 am
Nonstop5h 35m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Mon 5/25
6:00 pm-10:05 pm
Nonstop6h 05m
Bangkok Suvarnabhumi
Tue 5/26
12:05 am-7:40 am
Nonstop5h 35m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Mon 3/2
5:05 pm-9:25 pm
Nonstop6h 20m
Bangkok Suvarnabhumi
Fri 3/6
10:25 pm-6:20 am
Nonstop5h 55m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sat 3/21
5:05 pm-9:25 pm
Nonstop6h 20m
Bangkok Suvarnabhumi
Tue 3/24
10:25 pm-6:20 am
Nonstop5h 55m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Fri 5/29
11:05 am-5:05 pm
1 stop8h 00m
Bangkok Suvarnabhumi
Wed 6/3
11:55 am-5:50 am
1 stop15h 55m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sun 4/5
11:05 am-5:05 pm
1 stop8h 00m
Bangkok Suvarnabhumi
Sat 4/18
11:55 am-5:50 am
1 stop15h 55m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sat 4/11
10:05 am-6:05 pm
1 stop10h 00m
Bangkok Suvarnabhumi
Sat 4/18
6:05 pm-6:00 am
1 stop9h 55m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Tue 3/31
6:05 pm-2:45 pm
1 stop22h 40m
Bangkok Suvarnabhumi
Sun 4/5
6:05 pm-6:00 am
1 stop9h 55m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Fri 5/29
6:00 pm-10:05 pm
Nonstop6h 05m
Bangkok Suvarnabhumi
Tue 6/2
12:05 am-7:40 am
Nonstop5h 35m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Tue 4/21
6:00 pm-10:05 pm
Nonstop6h 05m
Bangkok Suvarnabhumi
Sat 4/25
12:05 am-7:40 am
Nonstop5h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| 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 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 | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star |
Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Incheon Intl Airport to Bangkok Suvarnabhumi Airport (average of $96). Flying from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $219). 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.
It’s optimal to fly from Incheon Intl Airport to Bangkok Suvarnabhumi Airport at noon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Incheon Intl Airport to Bangkok Suvarnabhumi Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
About 25% of weekly flights between Incheon and Bangkok have experienced delays in the past year, with the average delay time being 128 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday 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, Thai Airways have had the lowest number of delays on this route, with just 7% of flights being delayed.
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Jacqueline,Aug 2025
ICN - SEA
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Jacqueline,Aug 2025
ICN - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$275 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$104 | Average$185 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$108 | Average$217 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$120 | Average$302 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$124 | Average$247 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$251 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$174 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$139 | Average$235 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$162 | Average$217 | FlexibilityNo cancel fee | On-time94% | |
| Cheapest$187 | Average$309 | FlexibilityNo cancel fee | On-time62% |