Cheap flights from Incheon Intl Airport to Bangkok from $66

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 $154. The month of May is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Incheon Intl Airport averaging around $168.

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Tuesday when prices can be found for as low as $293. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday 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 $345.

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 $281. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $311 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 $223 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 $184 on momondo.

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

Shandong Airlines, Thai Vietjet Air, and Vietnam Airlines are the most popular carriers operating from Incheon Intl to Bangkok Suvarnabhumi

Thai AirAsia X, T'way Air and Korean Air are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Incheon Intl Airport according to our data. Thai AirAsia X is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 15 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 22% 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 110 minutes.

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

Tuesday 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 6% of their flights experiencing any sort of delay.

As of March 2026, 42 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 5:00PM, with 37% of daily flights taking off in the evening.

298 flights are operational weekly from Incheon Intl Airport to Bangkok Suvarnabhumi Airport as of March 2026. The most popular departure day for this route is Sat, with 15% of flights per week taking off on this day.