Thai Airways Economy offers 18” width and 32” pitch seats for comfort.
Enjoy Thai dishes like curry meals on long-haul flights for a unique experience.

Most accurate provider | OneTravel 3 stars |
|---|---|
Most trusted provider | OneTravel 3 stars |
Round-trip from | $162 (Kiwi.com) |
One-way from | $87 (Thai Vietjet Air) |
Popular in | January |
Cheapest in | September |
Average price | $287 |
Good round-trip deal | $261 or less |
Good one-way deal | $129 or less |
Fly from
Fly to
Route
Depart
Return
Price
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sun 4/26
6:00 pm-10:05 pm
Nonstop6h 05m
Bangkok Suvarnabhumi
Tue 5/5
12:05 am-7:40 am
Nonstop5h 35m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Fri 5/29
11:05 am-5:05 pm
1 stop8h 00m
Bangkok Suvarnabhumi
Wed 6/3
7:05 pm-5:50 am
1 stop8h 45m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sun 2/22
5:15 pm-9:25 pm
Nonstop6h 10m
Bangkok Suvarnabhumi
Fri 3/6
10:55 pm-6:35 am
Nonstop5h 40m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sat 6/13
6:05 pm-9:05 pm
1 stop29h 00m
Bangkok Suvarnabhumi
Mon 6/15
7:05 pm-5:50 am
1 stop8h 45m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Thu 2/19
5:15 pm-9:25 pm
Nonstop6h 10m
Bangkok Suvarnabhumi
Tue 5/19
10:45 pm-6:15 am
Nonstop5h 30m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sat 4/11
8:05 pm-12:10 am
Nonstop6h 05m
Bangkok Suvarnabhumi
Thu 4/16
1:10 am-8:55 am
Nonstop5h 45m
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
Fri 3/20
10:10 am-5:00 pm
1 stop8h 50m
Bangkok Suvarnabhumi
Mon 3/30
3:55 pm-5:50 am
1 stop11h 55m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sat 6/13
6:00 pm-10:05 pm
Nonstop6h 05m
Bangkok Suvarnabhumi
Sun 6/14
12:05 am-7:40 am
Nonstop5h 35m
IncheonBangkok
ICN - BKK
ICNBKK
Incheon Intl
Sun 2/22
5:15 pm-9:25 pm
Nonstop6h 10m
Bangkok Suvarnabhumi
Fri 2/27
10:55 pm-6:35 am
Nonstop5h 40m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| 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 |
Currently, November is the cheapest month in which you can book a flight from Seoul to Bangkok Suvarnabhumi Airport (average of $96). Flying from Seoul to Bangkok Suvarnabhumi Airport in January is currently the most expensive (average of $221). 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 Seoul to Bangkok Suvarnabhumi Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 41% on airfare.
Travelers seeking maximum savings on their Seoul 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.
The most flights from SEL to BKK are scheduled on a Wednesday (46 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (44 on average).
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Food
Boarding
Entertainment
Crew
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$101 | Average$281 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$104 | Average$186 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$110 | Average$220 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$120 | Average$293 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$124 | Average$239 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$136 | Average$266 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$174 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$139 | Average$259 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$162 | Average$217 | FlexibilityNo cancel fee | On-time94% | |
| Cheapest$204 | Average$308 | FlexibilityNo cancel fee | On-time62% |