Cheap Flights from Seoul to Bangkok Suvarnabhumi

Compare Seoul to Bangkok Suvarnabhumi flight deals

Find the cheapest month or even day of the year to fly to Bangkok Suvarnabhumi

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Flight deals from Seoul to Bangkok Suvarnabhumi

Looking for a cheap last-minute deal or the best return flight from Seoul to Bangkok Suvarnabhumi? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Bangkok Suvarnabhumi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Bangkok Suvarnabhumi flights are currently cheapest in February.

Direct flights from Seoul to Bangkok Suvarnabhumi

Seoul to Bangkok Suvarnabhumi: Alternative routes

Compare routes from Seoul to Bangkok below. You may find an airport to fly into that's cheaper, faster, or easier than Bangkok Suvarnabhumi.

Seoul to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundR 1,025
Cheapest month to flyFebruary
Average flight time5 hrs, 59 mins
Most popular airlineKorean Air
Average flights per week318

Finding cheap flights from Seoul to Bangkok Suvarnabhumi: Frequently asked questions

The best price we found for a return flight from Seoul to Bangkok Suvarnabhumi is R 2,661. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 59 minutes is the average flight time from Seoul to Bangkok Suvarnabhumi.
Korean Air, Thai Airways and Asiana Airlines fly direct from Seoul to Bangkok Suvarnabhumi.
As of January 2026, there are 636 flights per week flying from Seoul to Bangkok Suvarnabhumi.
The cheapest month to fly from Seoul to Bangkok Suvarnabhumi is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Bangkok Suvarnabhumi Airport on Monday, 9 March 2026.
Yes – the average flight time is 5 hours and 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bangkok Suvarnabhumi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Bangkok Suvarnabhumi is Thai VietJet Air .

Travelling from Seoul to Suvarnabhumi Airport (BKK): What you need to know

  • Seoul has a couple of airports where you can kick off your trip. Check out your options for booking a flight from Seoul to Suvarnabhumi Airport (BKK) heading out from Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • Around 5 hours 55 minutes is the typical travel time on a direct Seoul to Suvarnabhumi Airport flight.

  • Suvarnabhumi Airport is located in Bangkok. The city operates on the UTC+7 timezone and is two hours behind Seoul.

  • Incheon International Airport (ICN) to Suvarnabhumi Airport (BKK) is the most popular route. There are 91 direct weekly departures to choose from. If you prefer starting your day later, take the last flight with Korean Air at 9:15pm. Go for the first ICN to BKK departure with Asiana Airlines at 7:20am if you're aiming for an earlier start.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your flight from Seoul to BKK.

  • If you're flying during a bank holiday or other peak period, allow for even more time. Get there two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

Airports in Seoul

Incheon International Airport (ICN)

  • Enjoy an uninterrupted journey from Incheon International Airport (ICN). Nonstop flights from Seoul to Suvarnabhumi Airport (BKK) are available from here.

  • These are some of the popular airlines operating direct flights from Seoul to Suvarnabhumi Airport taking off from ICN:

  • The preferred choice for passengers flying between ICN and BKK is Korean Air.

  • Air Busan is the leading carrier for punctuality on this route.

  • Stopovers are the perfect opportunity to break up your trip and perhaps even tour another city. When searching for cheap flights from Seoul to BKK leaving from Incheon International Airport (ICN), uncheck the 'Direct flights only' box to discover where you can stop along the way. Top options include:

    • Guangzhou Baiyun International Airport (CAN)

    • Hong Kong International Airport (HKG)

    • Taiwan Taoyuan International Airport (TPE)

  • The distance from central Seoul to ICN is roughly 48 kilometres. Use Google Maps for the quickest route, whether you plan to drive or take public transport.

  • Want a leisurely start to your holiday? Stay near Incheon International Airport. Whether you've booked an early flight from Seoul to Suvarnabhumi Airport or aren't a fan of being rushed, these hotels are just what you're after:

  • Of the departures from Incheon International Airport, 54.5% land on schedule at their destination.

Gimpo International Airport (GMP)

  • Make the most of your holiday with a stopover on your flight from Seoul to Suvarnabhumi Airport. Here's where you can connect between Gimpo International Airport and BKK:

    • Kansai International Airport (KIX)

    • Gimhae International Airport (PUS)

    • Kaohsiung International Airport (KHH)

  • From the centre of Seoul, GMP is about 16 kilometres away. When planning the fastest way to get there, check whether public transport is an option or if it's easier to drive.

  • Flying off with the first light? Think about staying at one of these hotels near Gimpo International Airport the day before your Seoul to BKK flight:

  • Gimpo International Airport has an on-time performance of 75.94%. This figure highlights how frequently flights that take off from this airport make it to their destination on schedule.

About Suvarnabhumi Airport (BKK)

Getting from Suvarnabhumi Airport (BKK) to central Bangkok

  • Suvarnabhumi Airport to the centre of Bangkok is roughly 27 kilometres. If you're renting a car or getting a cab, do some research to make your trip as easy as possible. Journey times may vary based on traffic and the time of day.

  • Travelling by public transport takes roughly 1 hour 5 minutes.

How to find the cheapest flights from Seoul to Suvarnabhumi Airport (BKK)

  • Right now, R 1,025 is the lowest price we've found for a one-way ticket from Seoul to Suvarnabhumi Airport. The cheapest price for a return flight is R 2,661. Keep in mind fares can change due to availability at the time of booking.

  • Book one month before travelling. Pricing trends suggest that this is the ideal window for finding cheap flights from Seoul to BKK.

  • June is when you're most likely to land a bargain on a Seoul to Suvarnabhumi Airport ticket. If you'd like to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • You don't need to search every day to find out if prices have dropped when you set up a Price Alert. We'll let you know when a lower fare pops up on plane tickets from Seoul to BKK.

  • Save money on your flight from Seoul to Suvarnabhumi Airport by using the search filters. Choose your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seoul to Suvarnabhumi Airport (BKK)

  • April is the quietest month for flights from Seoul to Suvarnabhumi Airport (BKK), while July is the busiest. Figure out the ideal time to visit Bangkok based on whether you like a lively atmosphere or a more laid-back vibe.

  • Before locking in your Seoul to BKK plane ticket, consider the kind of weather you prefer. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from Seoul to Suvarnabhumi Airport in December when temperatures are between 19ºC (66ºF) and 33ºC (91ºF).

More about Bangkok

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Bangkok right here. Explore these options once you've locked in your flight from Seoul to Suvarnabhumi Airport:

  • There are plenty of awesome things to do in Bangkok when you're ready to go sightseeing. Kick things off at Grand Palace followed by Wat Phra Kaew and The Royal Place 2.

Explore more of Thailand

  • You've done Bangkok, now it's time to discover more of Thailand. Journey around 209 kilometres north-east to Nakhon Ratchasima to tick off its leading sights. From Night Safari Korat to Saveone Night Market and Butterfly Park, your itinerary will be busy.

  • If you're ready to explore another well-known destination in Thailand, head for Rayong, roughly 129 kilometres south-east of Bangkok. Saeng Chan Beach, Mae Rumphueng Beach and Mae Ramphueng Beach are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.