Cheap flights from Bangkok Suvarnabhumi Airport to Seoul from $146

The cheapest month to fly to Incheon Intl Airport from Bangkok Suvarnabhumi Airport is in September. Flight prices, which tend to average around $221, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of September, then departing from Bangkok Suvarnabhumi Airport during the month March is also very affordable. Most momondo users find prices during this month for around $247.

The cheapest day to depart from Bangkok Suvarnabhumi Airport to Incheon Intl Airport is on a Sunday when prices can be found for as low as $723. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,037. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

In the evening is the cheapest time of day to fly from Bangkok Suvarnabhumi Airport to Incheon Intl Airport when you can find flight prices for as low as $538. Flying to Incheon Intl Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $993 on average. Flights to Incheon Intl Airport from Bangkok Suvarnabhumi Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Incheon Intl Airport from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Bangkok Suvarnabhumi Airport for as low as $196 on momondo.

There are 4 cabin classes available to choose from on Bangkok Suvarnabhumi Airport to Incheon Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Vietnam Airlines and AIR PREMIA are the most popular carriers operating from Bangkok Suvarnabhumi to Incheon Intl

Thai Vietjet Air, Thai AirAsia X and Korean Air are the top three most popular airlines that fly to Incheon Intl Airport from Bangkok Suvarnabhumi Airport according to our data. Thai Vietjet Air is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 10 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Bangkok and Incheon have experienced a delay on any given week. The average delay length over the past 12 months has been 113 minutes.

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

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

According to our data, AIR PREMIA have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

As of July 2026, there are 32 flights per day flying from Bangkok Suvarnabhumi Airport to Incheon Intl Airport. The most common time of day flights depart is 11:00PM, with 37% of flights taking off in the evening.

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