Cheap flights from Incheon Intl Airport to Bangkok from $135

If you are unable to visit Bangkok Suvarnabhumi Airport during the month of September, then departing from Incheon Intl Airport during the month May is also very affordable. Most momondo users find prices during this month for around $234.

On average, the least expensive day to fly to Bangkok Suvarnabhumi Airport from Incheon Intl Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $367. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Bangkok Suvarnabhumi Airport on Tuesday is $833.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the afternoon. momondo users have found flights departing from Incheon Intl Airport to Bangkok Suvarnabhumi Airport in the afternoon for as low as $367. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $518 on average. Flights to Bangkok Suvarnabhumi Airport from Incheon Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $313 when searching weeks before you fly. 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 $255 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.

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

As of April 2026, prices for Incheon Intl Airport to Bangkok Suvarnabhumi Airport flights are approximately 16% cheaper when compared to flights at the same time last year.

Historically, on average around 21% 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 109 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

33 flights are operational daily from Incheon Intl Airport to Bangkok Suvarnabhumi Airport as of April 2026. The most popular departure time for this route is 19:00, with 44% of flights per day taking off at midday.

The number of flights available between Incheon Intl Airport and Bangkok Suvarnabhumi Airport is 232 per week as of April 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.