Cheap flights from Incheon Intl Airport to Bangkok from $122

The month of September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Incheon Intl Airport, with most prices found around $153. The month of March is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Incheon Intl Airport averaging around $197.

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Wednesday when prices can be found for as low as $339. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Incheon Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $408.

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is at noon. Flights from Incheon Intl Airport to Bangkok Suvarnabhumi Airport during this time can be as low as $302. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $369 per ticket.

Fly from Incheon Intl to Bangkok Suvarnabhumi for the best Incheon Intl - Bangkok Suvarnabhumi flight prices

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $257 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Incheon Intl Airport for as low as $208 on momondo.

There are 3 cabin classes available to choose from on Incheon Intl Airport to Bangkok Suvarnabhumi Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Incheon Intl Airport to Bangkok Suvarnabhumi Airport.

As of July 2026, prices for Incheon Intl Airport to Bangkok Suvarnabhumi Airport flights are approximately 30% cheaper when compared to flights at the same time last year.

Jin Air, Jeju Air, and EastAfrican are the most popular carriers operating from Incheon Intl to Bangkok Suvarnabhumi

Asiana Airlines, Thai Vietjet Air and Thai AirAsia X are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 16 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Incheon and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Thai Airways have had the least number of delays on this route over the last 12 months; with about 5% of their flights experiencing any sort of delay.

Hanoi (HAN) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Nanjing (NKG) offer the lowest average round-trip price of $185.

Flights connecting via Nanjing (NKG) have the shortest average one-way travel time: 15h 05m.

Nanjing (NKG) has the shortest average layover time for this route: 8h 55m.

As of July 2026, 35 flights take off from Incheon Intl Airport and land in Bangkok Suvarnabhumi Airport each day. The most common flight departure time for this route is 7:00PM, with 46% of daily flights taking off in the evening.

249 flights are operational weekly from Incheon Intl Airport to Bangkok Suvarnabhumi Airport as of July 2026. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.