Cheap Flights from Bangkok to Seoul

Compare Bangkok to Seoul flight deals

Find the cheapest month or even day of the year to fly 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 $288. Find the lowest prices on one-way and return tickets right here.

Seoul.$202 per passenger.Departing Tue, 24 Mar, returning Thu, 26 Mar.Return flight with Thai VietJet Air and Air Busan.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Tue, 24 Mar, arriving in Incheon International.Inbound indirect flight with Air Busan, departs from Incheon International on Thu, 26 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $202, select.

Seoul.$255 per passenger.Departing Tue, 7 Apr, returning Sat, 9 May.Return flight with Spring Airlines and Vietnam Airlines.Outbound indirect flight with Spring Airlines, departs from Bangkok Suvarnabhumi on Tue, 7 Apr, arriving in Incheon International.Inbound indirect flight with Vietnam Airlines, departs from Incheon International on Sat, 9 May, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $255, select.

Seoul.$288 per passenger.Departing Tue, 28 Apr, returning Wed, 29 Apr.Return flight with Thai LionAir and Thai AirAsia X.Outbound direct flight with Thai LionAir departs from Don Mueang on Tue, 28 Apr, arriving in Incheon International.Inbound direct flight with Thai AirAsia X departs from Incheon International on Wed, 29 Apr, arriving in Don Mueang.Price includes taxes and charges.From $288, select.

Seoul.$291 per passenger.Departing Tue, 26 May, returning Sat, 6 Jun.Return flight with Thai VietJet Air and Vietnam Airlines.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Tue, 26 May, arriving in Incheon International.Inbound indirect flight with Vietnam Airlines, departs from Incheon International on Sat, 6 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $291, select.

Seoul.$314 per passenger.Departing Wed, 2 Sep, returning Fri, 4 Sep.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Wed, 2 Sep, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Fri, 4 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $314, select.

Seoul.$314 per passenger.Departing Fri, 13 Mar, returning Thu, 26 Mar.Return flight with Thai LionAir and Eastar Jet.Outbound direct flight with Thai LionAir departs from Don Mueang on Fri, 13 Mar, arriving in Incheon International.Inbound direct flight with Eastar Jet departs from Incheon International on Thu, 26 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $314, select.

Seoul.$314 per passenger.Departing Wed, 26 Aug, returning Mon, 31 Aug.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Wed, 26 Aug, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Mon, 31 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $314, select.

Seoul.$320 per passenger.Departing Wed, 4 Nov, returning Tue, 17 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 4 Nov, arriving in Incheon International.Inbound direct flight with Thai AirAsia departs from Incheon International on Tue, 17 Nov, arriving in Don Mueang.Price includes taxes and charges.From $320, select.

Seoul.$320 per passenger.Departing Sat, 4 Jul, returning Fri, 10 Jul.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Sat, 4 Jul, arriving in Incheon International.Inbound direct flight with Thai AirAsia departs from Incheon International on Fri, 10 Jul, arriving in Don Mueang.Price includes taxes and charges.From $320, select.

Seoul.$322 per passenger.Departing Mon, 6 Jul, returning Fri, 4 Sep.Return flight with Thai LionAir and Thai VietJet Air.Outbound direct flight with Thai LionAir departs from Don Mueang on Mon, 6 Jul, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Fri, 4 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $322, select.

Seoul.$322 per passenger.Departing Thu, 1 Oct, returning Fri, 16 Oct.Return flight with Thai LionAir and Thai AirAsia.Outbound direct flight with Thai LionAir departs from Don Mueang on Thu, 1 Oct, arriving in Incheon International.Inbound direct flight with Thai AirAsia departs from Incheon International on Fri, 16 Oct, arriving in Don Mueang.Price includes taxes and charges.From $322, select.

Seoul.$325 per passenger.Departing Wed, 8 Jul, returning Tue, 11 Aug.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Wed, 8 Jul, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Tue, 11 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $325, select.

Seoul.$326 per passenger.Departing Fri, 24 Apr, returning Wed, 30 Sep.Return flight with Thai LionAir and Thai AirAsia.Outbound direct flight with Thai LionAir departs from Don Mueang on Fri, 24 Apr, arriving in Incheon International.Inbound direct flight with Thai AirAsia departs from Incheon International on Wed, 30 Sep, arriving in Don Mueang.Price includes taxes and charges.From $326, select.

Seoul.$327 per passenger.Departing Tue, 9 Jun, returning Tue, 6 Oct.Return flight with Thai LionAir and Thai AirAsia.Outbound direct flight with Thai LionAir departs from Don Mueang on Tue, 9 Jun, arriving in Incheon International.Inbound direct flight with Thai AirAsia departs from Incheon International on Tue, 6 Oct, arriving in Don Mueang.Price includes taxes and charges.From $327, select.

Seoul.$327 per passenger.Departing Tue, 26 May, returning Sun, 31 May.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Tue, 26 May, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Sun, 31 May, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $327, select.

Seoul.$329 per passenger.Departing Wed, 16 Sep, returning Thu, 22 Oct.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 16 Sep, arriving in Incheon International.Inbound direct flight with Thai AirAsia departs from Incheon International on Thu, 22 Oct, arriving in Don Mueang.Price includes taxes and charges.From $329, select.

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 March.

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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.

Gimpo International

17km from central Seoul

Closest

from $471

Search flights

Incheon International

48km from central Seoul

Cheapest

from $202

Search flights

Bangkok to Seoul: Flight information

The things to know before you go.

Cheapest flight found	$202
Cheapest month to fly	March
Average flight time	5 hrs, 35 mins
Most popular airline	Korean Air
Average flights per week	327

Finding cheap flights from Bangkok to Seoul: Frequently asked questions

How many airports are there in Seoul?

There are 2 airports in Seoul: Gimpo International and Incheon International.

How much are return flights from Bangkok to Seoul?

The best price we found for a return flight from Bangkok to Seoul is $202. 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.

How long does it take to fly from Bangkok to Seoul?

5 hours and 35 minutes is the average flight time from Bangkok to Seoul.

Which airlines fly direct from Bangkok to Seoul?

Korean Air, Thai Airways and Asiana Airlines fly direct from Bangkok to Seoul.

How many flights are there a week from Bangkok to Seoul?

As of March 2026, there are 329 flights per week flying from Bangkok to Seoul.

When is the cheapest time to fly from Bangkok to Seoul?

The cheapest month to fly from Bangkok to Seoul is usually March.

Which is the cheapest airport to fly into in Seoul?

If you're flying from Bangkok, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the centre of Seoul. We've found flights into this airport from $202.

Which upcoming date is cheapest to fly from Bangkok to Seoul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Seoul on Tuesday, 24 March 2026.

Can I get a direct flight from Bangkok to Seoul?

Yes – the average flight time is 5 hours and 35 minutes.

How can I get the best flight deal from Bangkok to Seoul?

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.

When is the best time to book flights to Seoul?

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.

What’s the weather like in Seoul?

In March, the average temperature is usually around 3°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.

Which is the cheapest airline to fly from Bangkok to Seoul with?

The cheapest airline that flies to Seoul is Thai VietJet Air. And the cheapest airline that flies to Incheon International Airport is Thai LionAir.

Flying from Bangkok to Seoul: what you need to know

Bangkok is home to two main airports where you can set off on your adventure. Check out your options for reserving a flight from Bangkok to Seoul flying out of Suvarnabhumi Airport (BKK) or Don Mueang International Airport (DMK).
Hop off your plane in Seoul at Incheon International Airport (ICN) or Gimpo International Airport (GMP).
The average length of a direct Bangkok to Seoul flight is 5 hours 30 minutes.
Seoul's timezone is UTC+9, making Seoul two hours ahead of Bangkok.
Suvarnabhumi Airport (BKK) to Incheon International Airport (ICN) is the most popular route between these two cities. There are 88 weekly departures to pick from. If you prefer starting your day later, the last flight from Bangkok to Seoul is with Asiana Airlines at 23:55. Opt for the first BKK to ICN departure operated by T'Way Air at 00:05 to maximise your time in Seoul.
For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your Bangkok to Seoul flight.
You can expect bigger queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you plenty of time for security and boarding.

How to find the cheapest flights from Bangkok to Seoul

Lock in cheap Bangkok to Seoul flights by booking three months ahead. According to our research, that's the ideal time frame for landing a bargain.
Organise your trip for June. That's the best month for scoring cheap plane tickets from Bangkok to Seoul. If you're flexible with your dates, use the 'Whole month' tool to see the lowest price across every month.
Locking in a cheap flight from Bangkok to Seoul is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a better deal is available.
Save on your Bangkok to Seoul flight with the help of our filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Bangkok

Suvarnabhumi Airport (BKK)

You can catch a direct flight from Bangkok to Seoul leaving from Suvarnabhumi Airport (BKK). Begin your journey at BKK and land at Incheon International Airport (ICN).
You'll find plenty of airlines that offer direct Bangkok to Seoul plane tickets out of BKK. Let one of these carriers take you there:
Consider adding a stopover to potentially find a cheaper Bangkok to Seoul flight. Just uncheck 'Direct flights only' when searching for departures from Suvarnabhumi Airport. Take a break from travelling at one of these airports:
- Shanghai Pudong International Airport (PVG)
- Beijing Capital International Airport (PEK)
- Daxing International Airport (PKX)
Travelling from central Bangkok to BKK takes around 1 hour 5 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 27 kilometres in 35 minutes or so, depending on traffic.
Want a convenient hotel close to Suvarnabhumi Airport? If you're catching an early flight from Bangkok to Seoul, these stays will put you moments from check-in:
When it comes to Suvarnabhumi Airport's on-time performance, 67.87% of flights stick to their scheduled arrival time.

Don Mueang International Airport (DMK)

Consider booking your direct flight from Bangkok to Seoul departing Don Mueang International Airport (DMK). Nonstop services from DMK will take you to Incheon International Airport (ICN).
From DMK, you can book a direct Bangkok to Seoul plane ticket with Thai AirAsia X.
Break up your Bangkok to Seoul flight with a stop so you can freshen up or tick a new place off your list. Some popular stopovers between Don Mueang International Airport and Seoul include:
- Taiwan Taoyuan International Airport (TPE)
- Jinan Yaoqiang International Airport (TNA)
- Chiang Mai International Airport (CNX)
DMK is about 23 kilometres from central Bangkok. It'll take you 30 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 1 hour 5 minutes.
Want to enjoy an extra night away before catching your flight from Bangkok to Seoul? Kick back in a hotel near Don Mueang International Airport before your trip officially starts. Check out these accommodation options:
Don Mueang International Airport has an on-time performance of 66%. This figure shows how often flights departing from this airport reach their destination on schedule.

Arriving in Seoul

Incheon International Airport (ICN)

From Incheon International Airport (ICN), central Seoul is approximately 48 kilometres away.
It usually takes 1 hour 45 minutes to get there when travelling by public transport.
The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Bangkok to Seoul. Stay at one of these accommodation options near ICN instead:
Grab an Incheon International Airport rental car and explore Seoul and beyond with your own set of wheels. WECAR, Hi Rent A Car and Alamo are well-known companies to choose from here.
For the best deal, book your ride from Incheon International Airport about four weeks ahead of your Bangkok to Seoul flight.

Gimpo International Airport (GMP)

If you're staying in Seoul's centre (or just want to start sightseeing straight away), the city is around 16 kilometres from Gimpo International Airport (GMP). Keep an eye out for any visitor information desks for help with directions after disembarking your flight from Bangkok to Seoul.
You can expect the trip to take about 1 hour 5 minutes on public transport.
After your flight from Bangkok to Seoul, unwind at a hotel close to GMP. These are some great options that'll help you switch to relaxation mode:
GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car make picking up a Gimpo International Airport rental car easy and quick. These suppliers are located around or in the terminal and will have you on your way in a heartbeat.
Get first dibs on the best options. Booking your ride from GMP one week in advance often means more savings and a wider choice of vehicles.

Best time to go to Seoul

July is the busiest month for flights from Bangkok to Seoul. To escape the crowds, go to Seoul in April.
When booking your Bangkok to Seoul tickets, consider what kind of weather you prefer. August is the warmest month in Seoul, with temperatures ranging from 19ºC to 32ºC.
Look for cheap flights from Bangkok to Seoul in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC and 4ºC on average.

More about Seoul

When it comes to looking for somewhere to rest your head, you'll find the top stays in Seoul right here. Browse these options as soon as you've booked your flight from Bangkok to Seoul:
Gyeongbokgung Palace and Bukchon Hanok Village are just the start of the popular attractions to put on your Seoul must-do list. Keep the adventure rolling by checking out N Seoul Tower.

Explore more of South Korea

You've seen Seoul, now it's time to discover other corners of South Korea. Journey about 322 kilometres south-east to Busan to tick off its leading attractions. From Haeundae Beach to Gamcheon Culture Village and Beomeosa Temple, you'll have a packed itinerary ahead.
Incheon is another well-known destination in South Korea and is around 56 kilometres west of Seoul. No trip is complete without a visit to Lawn Square of Incheon International Airport, Yeongjong Sky City No.23 Park and 스카이72 GC 바다코스.