Cheap flights from Seoul to Bangkok from £74

If you don’t want to visit Bangkok Suvarnabhumi Airport in September, then you should wait until June to fly from Seoul, when ticket prices are also cheap, with an average price of £133.

According to our data, Wednesday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Seoul. The lowest ticket price found for a Wednesday departure recently was £261. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Bangkok Suvarnabhumi Airport for around £618.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is in the evening. momondo users have found flights departing from Seoul to Bangkok Suvarnabhumi Airport in the evening for as low as £152. 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 £522 on average. Flights to Bangkok Suvarnabhumi Airport from Seoul 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 Seoul - Bangkok Suvarnabhumi flight prices

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around £164 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 Seoul for as low as £134 on momondo.

There are 3 cabin classes available to choose from on Seoul 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 Seoul to Bangkok Suvarnabhumi Airport.

As of April 2026, prices for Seoul to Bangkok Suvarnabhumi Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

As of April 2026, there are 32 flights per day flying from Seoul to Bangkok Suvarnabhumi Airport. The most common time of day flights depart is 19:00, with 44% of flights taking off at midday.

As of April 2026, 228 flights take off from Seoul and land in Bangkok Suvarnabhumi Airport each week. The most common flight departure day for this route is Fri, with 15% of weekly flights taking off on this day.