160 € Cheap Flights from Bangkok to Seoul

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Flight deals from Bangkok to Seoul

Looking for a cheap last-minute deal or the best return flight from Bangkok to Seoul? If you want to travel next month, return fares start from 213 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Bangkok to Seoul

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

Direct flights from Bangkok to Seoul

Alternative Bangkok to Seoul routes

Looking for the cheapest, fastest or easiest route from Bangkok to Seoul? You could fly into the following airports instead.

Bangkok to Seoul: Flight information

The things to know before you go.
Cheapest flight found160 €
Cheapest month to flyOctober
Average flight time5 hrs, 36 mins
Most popular airlineKorean Air
Average flights per week280

Finding cheap flights from Bangkok to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Bangkok to Seoul is 160 €. 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 35 minutes is the average flight time from Bangkok to Seoul.
Korean Air, Thai Airways and Asiana Airlines fly direct from Bangkok to Seoul.
As of July 2026, there are 303 flights per week flying from Bangkok to Seoul.
The cheapest month to fly from Bangkok to Seoul is usually October.
If you're flying from Bangkok, the cheapest airport near Seoul is Incheon International – which is 47.9 km away from the centre of Seoul. We've found flights into this airport from 160 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Seoul on Monday, 19 October 2026.
Yes – the average flight time is 5 hours and 35 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 Seoul 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 Seoul is around 40 days in advance, so don’t leave your flight to the last minute.

In July, the average temperature is usually around 24°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
The cheapest airline that flies to Seoul is Vietnam Airlines. And the cheapest airline that flies to Incheon International Airport is Thai VietJet Air.

Flying from Bangkok to Seoul: what you need to know

  • Bangkok has two main airports that could be the jumping-off point for your adventure. Check out your options for reserving a flight from Bangkok to Seoul departing from Bangkok Suvarnabhumi Airport (BKK) or Don Mueang Airport (DMK).

  • Touch down in Seoul at Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • The average duration of a direct Bangkok to Seoul flight is 5 hours 35 minutes.

  • The timezone in Seoul is UTC+9, which is two hours ahead of Bangkok.

  • The most popular route for flights from Bangkok to Seoul is Bangkok Suvarnabhumi Airport (BKK) to Incheon International Airport (ICN). There are 94 services between these two airports every week.

  • Give yourself enough time to make your Bangkok to Seoul flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months like January, it's best to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're flying during high season in general.

How to find the cheapest flights from Bangkok to Seoul

  • Lock in cheap Bangkok to Seoul flights by booking one month ahead. Based on our research, that's the sweet spot for landing a bargain.

  • Schedule your trip for June. That's the best month for landing a great bargain on plane tickets from Bangkok to Seoul. If your travel dates are not set in stone, use the 'Whole month' tool to find the lowest price across each month.

  • Save time looking for cheap flights from Bangkok to Seoul by creating a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Tailor your trip using filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' Bangkok to Seoul flights.

Flying from Bangkok

Bangkok Suvarnabhumi Airport (BKK)

  • If you're searching for a direct flight from Bangkok to Seoul, you can leave from Bangkok Suvarnabhumi Airport (BKK). Get from BKK to Incheon International Airport (ICN) in one continuous trip.

  • Direct Bangkok to Seoul plane tickets are available from a good range of airlines at BKK. Book your journey with one of these:

  • We make it a cinch to book a Bangkok to Seoul flight with a stopover. To see the options departing from Bangkok Suvarnabhumi Airport, deselect 'Direct flights only.' Next, select a flight offering a stop long enough to see the sights of your chosen city. Major stopovers include:

    • Shanghai Pudong Airport (PVG)

    • Beijing Capital Airport (PEK)

    • Beijing Daxing Airport (PKX)

  • BKK is around 27 kilometres from central Bangkok. If you're catching a taxi, driving or ride-sharing from the centre, it'll take 35 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 35 minutes.

  • Planning to catch an early flight from Bangkok to Seoul? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels near Bangkok Suvarnabhumi Airport:

  • 73% of flights that take off from Bangkok Suvarnabhumi Airport make it to their destination on schedule.

Don Mueang Airport (DMK)

  • You can book a direct flight from Bangkok to Seoul out of Don Mueang Airport (DMK). Nonstop services from DMK will get you to Incheon International Airport (ICN).

  • Book your direct Bangkok to Seoul plane ticket with one of these popular carriers that operate from DMK:

  • Split up your Bangkok to Seoul flight with a stop so you can recharge or tick a new place off your list. Popular stopovers between Don Mueang Airport and Seoul include:

    • Taipei Taiwan Taoyuan Airport (TPE)

    • Jinan Yaoqiang Airport (TNA)

    • Chiang Mai Airport (CNX)

  • DMK is about 21 kilometres from central Bangkok. It'll take you 35 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 1 hour 5 minutes.

  • You're going on holiday, so why not extend it with an extra night away from home? Consider kicking back in one of these hotels near Don Mueang Airport the day before your flight from Bangkok to Seoul:

  • 60% of flights out of Don Mueang Airport arrive according to schedule.

Arriving in Seoul

Incheon International Airport (ICN)

  • The distance from Incheon International Airport (ICN) to central Seoul is roughly 48 kilometres. It'll take you about 1 hour 5 minutes to reach the centre driving.

  • It typically takes 50 minutes to get there on public transport.

  • Consider staying in a hotel near ICN if you're coming in on a late flight from Bangkok to Seoul. Pick one of these accommodation options and avoid the hassle of a long transfer:

  • Grab a Incheon International Airport rental car and explore Seoul and beyond with your own set of wheels. WECAR, Hi Rent A Car and Alamo are top outlets to choose from here.

  • Reserving your ride from Incheon International Airport around four weeks in advance can help you get the lowest rate.

Gimpo International Airport (GMP)

  • Central Seoul is located around 18 kilometres from Gimpo International Airport (GMP). After your flight from Bangkok to Seoul has landed and you've navigated your way to arrivals, expect a drive of around 30 minutes.

  • The trip will take approximately 35 minutes on public transport.

  • There are some comfortable places ready to welcome you near GMP. Unwind after your Bangkok to Seoul flight at any of these perfectly located options:

  • Forget about public transport timetables or waiting forever for a taxi. Pick up a Gimpo International Airport rental car and blaze your own trail. Check out the availability and rates from GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car.

  • Avoid paying extra. Securing your ride one week ahead of your arrival at GMP can help you lock in a better rate.

Best time to go to Seoul

  • March is the quietest month for flights from Bangkok to Seoul, while August is the most popular. Pick the ideal time to go to Seoul based on whether you like a laid-back vibe or a lively atmosphere.

  • Before locking in your Bangkok to Seoul tickets, think about what kind of weather you prefer. August is the warmest month in Seoul, with temperatures ranging from 19ºC (66ºF) to 32ºC (90ºF).

  • January has average temperatures of between -12ºC (10ºF) and 4ºC (39ºF). Look for cheap flights from Bangkok to Seoul around that time if you want to travel in cooler conditions.

More about Seoul

  • After booking your flight from Bangkok to Seoul, decide where you'll be dropping your bags. Make one of these options your base for exploring Seoul:

  • There are so many things to do and see in this city it can be tricky to work out where to begin. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are highlights which should feature on any good Seoul itinerary.

Explore more of South Korea

  • Busan is just one of the many places in South Korea waiting to be discovered once you've taken in the sights of Seoul. Around 338 kilometres to the southeast, top sights here include Gamcheon Culture Village, Haeundae Beach and Oryukdo Skywalk.

  • Incheon is another essential stop in South Korea and is around 27 kilometres southwest of Seoul. No journey is complete without dropping by Songdo Central Park, Songdo Hanok Village and Wolmi Theme Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.