Cheap flights from Seoul to Bangkok from £73

If you don’t want to visit Bangkok Suvarnabhumi Airport in September, then you should wait until March to fly from Seoul, when ticket prices are also cheap, with an average price of £146.

According to our data, Saturday is the cheapest day to fly to Bangkok Suvarnabhumi Airport from Seoul. The lowest ticket price found for a Saturday departure recently was £484. 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 Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Bangkok Suvarnabhumi Airport for around £676.

According to our data, the cheapest time of day to fly to Bangkok Suvarnabhumi Airport is at midday. momondo users have found flights departing from Seoul to Bangkok Suvarnabhumi Airport at midday for as low as £154. 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 £587 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 £192 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 £154 on momondo.

There are 2 cabin classes available to choose from on Seoul 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.

You could potentially save up to 9% on your flight if you consider stops on a Seoul to Bangkok Suvarnabhumi Airport flight.

As of August 2026, prices for Seoul to Bangkok Suvarnabhumi Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

As of August 2026, there are 38 flights per day flying from Seoul to Bangkok Suvarnabhumi Airport. The most common time of day flights depart is 19:00, with 51% of flights taking off in the evening.

As of August 2026, 268 flights take off from Seoul and land in Bangkok Suvarnabhumi Airport each week. The most common flight departure day for this route is Thu, with 16% of weekly flights taking off on this day.