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Cheap flights from Seoul to Bangkok

Compare Seoul to Bangkok flight deals

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

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Flight deals from Seoul to Bangkok

Looking for a cheap last-minute deal or the best return flight from Seoul to Bangkok? If you want to travel next month, return fares start from P8,230. Find the lowest prices on one-way and return tickets right here.
Bangkok.P6,010 per passenger.Departing Wed, 25 Mar, returning Wed, 25 Mar.Return flight with Thai VietJet Air and Thai AirAsia.Outbound direct flight with Thai VietJet Air departs from Incheon International on Wed, 25 Mar, arriving in Bangkok Suvarnabhumi.Inbound direct flight with Thai AirAsia departs from Bangkok Suvarnabhumi on Wed, 25 Mar, arriving in Phuket.Price includes taxes and charges.From P6,010, select.
Bangkok.P8,230 per passenger.Departing Thu, 2 Apr, returning Thu, 2 Apr.Return flight with Thai LionAir and Thai AirAsia.Outbound direct flight with Thai LionAir departs from Incheon International on Thu, 2 Apr, arriving in Don Mueang.Inbound direct flight with Thai AirAsia departs from Don Mueang on Thu, 2 Apr, arriving in Chiang Mai.Price includes taxes and charges.From P8,230, select.
Bangkok.P8,617 per passenger.Departing Fri, 8 May, returning Mon, 11 May.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 8 May, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Mon, 11 May, arriving in Incheon International.Price includes taxes and charges.From P8,617, select.
Bangkok.P8,617 per passenger.Departing Tue, 2 Jun, returning Sun, 7 Jun.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Tue, 2 Jun, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Sun, 7 Jun, arriving in Incheon International.Price includes taxes and charges.From P8,617, select.
Bangkok.P8,866 per passenger.Departing Fri, 29 May, returning Wed, 3 Jun.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 29 May, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Wed, 3 Jun, arriving in Incheon International.Price includes taxes and charges.From P8,866, select.
Bangkok.P8,936 per passenger.Departing Sun, 23 Aug, returning Thu, 27 Aug.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sun, 23 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Thu, 27 Aug, arriving in Incheon International.Price includes taxes and charges.From P8,936, select.
Bangkok.P9,154 per passenger.Departing Mon, 1 Jun, returning Wed, 1 Jul.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Mon, 1 Jun, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Wed, 1 Jul, arriving in Incheon International.Price includes taxes and charges.From P9,154, select.
Bangkok.P9,174 per passenger.Departing Mon, 31 Aug, returning Thu, 3 Sep.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Mon, 31 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Thu, 3 Sep, arriving in Incheon International.Price includes taxes and charges.From P9,174, select.
Bangkok.P9,206 per passenger.Departing Tue, 23 Jun, returning Thu, 20 Aug.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Tue, 23 Jun, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Thu, 20 Aug, arriving in Incheon International.Price includes taxes and charges.From P9,206, select.
Bangkok.P9,218 per passenger.Departing Fri, 15 May, returning Wed, 19 Aug.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 15 May, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Wed, 19 Aug, arriving in Incheon International.Price includes taxes and charges.From P9,218, select.
Bangkok.P9,266 per passenger.Departing Sun, 5 Apr, returning Wed, 6 May.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sun, 5 Apr, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Wed, 6 May, arriving in Incheon International.Price includes taxes and charges.From P9,266, select.
Bangkok.P9,283 per passenger.Departing Mon, 12 Oct, returning Wed, 14 Oct.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Mon, 12 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Wed, 14 Oct, arriving in Incheon International.Price includes taxes and charges.From P9,283, select.
Bangkok.P9,283 per passenger.Departing Wed, 9 Sep, returning Fri, 11 Sep.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Wed, 9 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Fri, 11 Sep, arriving in Incheon International.Price includes taxes and charges.From P9,283, select.
Bangkok.P9,337 per passenger.Departing Thu, 7 May, returning Tue, 7 Jul.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Thu, 7 May, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Tue, 7 Jul, arriving in Incheon International.Price includes taxes and charges.From P9,337, select.
Bangkok.P9,425 per passenger.Departing Fri, 30 Oct, returning Sat, 7 Nov.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 30 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Sat, 7 Nov, arriving in Incheon International.Price includes taxes and charges.From P9,425, select.
Bangkok.P9,429 per passenger.Departing Fri, 25 Sep, returning Thu, 1 Oct.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 25 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Thu, 1 Oct, arriving in Incheon International.Price includes taxes and charges.From P9,429, select.

Find the cheapest month to fly from Seoul to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Bangkok flights are currently cheapest in March.
Mar
from P6,010
Apr
from P8,230
May
from P8,617
Jun
from P8,617
Jul
from P9,759
Aug
from P8,936
Sep
from P9,283
Oct
from P9,283
Nov
from P10,122
Dec
from P10,144
Jan
from P11,514
Feb
from P10,665

Direct flights from Seoul to Bangkok

Alternative Seoul to Bangkok routes

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

Don Mueang

21km from central Bangkok
Closest
from P6,269
Search flights

Bangkok Suvarnabhumi

29km from central Bangkok
Cheapest
from P6,010
Search flights

Seoul to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundP6,010
Cheapest month to flyMarch
Average flight time5 hrs, 58 mins
Most popular airlineKorean Air
Average flights per week360

Check out these Bangkok hotels

Ready to plan your stay? Other travellers rate these Bangkok hotels for cleanliness, service and location.
Journeyhub Sukhumvit 26, Bangkok - Formerly St James Hotel
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P2,613
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P2,692
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The Quarter Saphankhwai by UHG
6.74 km from city centre
P2,692
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Journeyhub Sukhumvit 26, Bangkok - Formerly St James Hotel
8.67 km from city centre
P2,613
Per night
35 Bow Hotel
2.69 km from city centre
P2,692
Per night
The Quarter Saphankhwai by UHG
6.74 km from city centre
P2,692
Per night
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Finding cheap flights from Seoul to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a return flight from Seoul to Bangkok is P6,010. 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 58 minutes is the average flight time from Seoul to Bangkok.
Korean Air, Thai Airways and Delta fly direct from Seoul to Bangkok.
As of March 2026, there are 360 flights per week flying from Seoul to Bangkok.
The cheapest month to fly from Seoul to Bangkok is usually March.
If you're flying from Seoul, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.5 km away from the centre of Bangkok. We've found flights into this airport from P6,010.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Bangkok on Wednesday, 25 March 2026.
Yes – the average flight time is 5 hours and 58 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 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.
In March, the average temperature is usually around 30°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
The cheapest airline that flies to Bangkok is Thai VietJet Air .

Flying from Seoul to Bangkok: what you need to know

  • There are two main airports you can take off from in Seoul. Check out your options leaving from Incheon International Airport (ICN) or Gimpo International Airport (GMP) when booking your flight from Seoul to Bangkok.

  • Hop off your plane in Bangkok at Suvarnabhumi Airport (BKK) or Don Mueang International Airport (DMK).

  • Take a direct Seoul to Bangkok flight and you'll be travelling for an average of 6 hours 5 minutes.

  • Bangkok is two hours behind Seoul and is in the UTC+7 timezone.

  • With 91 weekly flights between the two airports, Incheon International Airport (ICN) to Suvarnabhumi Airport (BKK) is the most popular route. Hop on the first flight from Seoul to Bangkok with Asiana Airlines at 07:20. If you prefer to get more out of your day before you fly, the last departure from ICN to BKK is with Korean Air at 21:15.

  • To ensure you make your Seoul to Bangkok flight, leave plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • You'll likely experience bigger queues during popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.

How to find the cheapest flights from Seoul to Bangkok

  • Score cheap Seoul to Bangkok flights by booking three months ahead. Based on our research, that's the ideal time frame for landing a bargain.

  • The best month for finding cheap plane tickets from Seoul to Bangkok is June. Use the 'Whole month' tool to compare all available prices, then select the dates with the lowest fares.

  • Snapping up a cheap flight from Seoul to Bangkok is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

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

Flying from Seoul

Incheon International Airport (ICN)

  • Begin your journey at Incheon International Airport (ICN), which has a range of direct flights from Seoul to Bangkok. From ICN, you can fly without any stops to Suvarnabhumi Airport (BKK) or Don Mueang International Airport (DMK).

  • Direct Seoul to Bangkok plane tickets are available from a good range of airlines at ICN. Choose one of these and take to the skies:

  • A stopover is the perfect opportunity to break up your journey — and possibly even explore another city. When browsing Seoul to Bangkok flights departing from Incheon International Airport, deselect the 'Direct flights only' box to see 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)

  • From central Seoul, ICN is around 48 kilometres away. Use navigation apps or visit the official airport website to work out the best way to get there.

  • Searching for a handy hotel close to Incheon International Airport? If you're catching an early flight from Seoul to Bangkok, these accommodation options will have you moments from your departure lounge:

  • Of the departures from Incheon International Airport, 54.5% arrive as scheduled at their destination.

Gimpo International Airport (GMP)

  • Visit family or friends or just take a moment to recharge with a stopover. If you'd like to split up your Seoul to Bangkok flight, here's where you can stop when taking off from Gimpo International Airport:

    • Kansai International Airport (KIX)

    • Gimhae International Airport (PUS)

    • Kaohsiung International Airport (KHH)

  • From central Seoul, GMP is about 16 kilometres away. When planning how to get there, find out whether public transport is an option or if driving is more convenient.

  • Want to enjoy an extra night away before boarding your flight from Seoul to Bangkok? Relax in a hotel near Gimpo International Airport before your adventure officially starts. These stays are calling your name:

  • When it comes to keeping flights on track, Gimpo International Airport has an on-time arrival performance of 76%.

Arriving in Bangkok

Suvarnabhumi Airport (BKK)

  • The distance from Suvarnabhumi Airport (BKK) to central Bangkok is approximately 29 kilometers. It'll take you about 35 minutes to get to the centre driving.

  • When travelling by public transport, expect a journey time of around 1 hour 5 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Seoul to Bangkok. Book one of these accommodation options near BKK instead:

  • Go where the road takes you with a Suvarnabhumi Airport rental car. Book your wheels from Chic Car Rent, asap car hire or Hertz and venture far and wide through Bangkok and beyond.

  • Lock in the best possible rate by reserving your vehicle from Suvarnabhumi Airport about four weeks ahead of your departure.

Don Mueang International Airport (DMK)

  • Central Bangkok is located around 21 kilometres from Don Mueang International Airport (DMK). After your flight from Seoul to Bangkok has landed and you've navigated your way to arrivals, expect a drive of around 30 minutes.

  • Public transport will get you there in about 1 hour 5 minutes.

  • There are some comfortable places to call home for the night near DMK. Kick back after your Seoul to Bangkok flight at one of these perfectly located options:

  • Forget about public transport timetables or long cab lines. Grab a Don Mueang International Airport rental car and blaze your own trail. Check out the rates and availability from Chic Car Rent, asap car hire and Hertz.

  • Get first dibs on the best options. Securing your ride from DMK three weeks ahead of time often means better prices and a greater selection of vehicles.

Best time to go to Bangkok

  • April is the quietest month for flights from Seoul to Bangkok, while July is the busiest. Find the ideal time to visit Bangkok based on whether you want a bustling atmosphere or a more laid-back vibe.

  • When booking your Seoul to Bangkok tickets, think about what kind of weather works for you. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).

  • Search for cheap flights from Seoul to Bangkok in December if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 19ºC (66ºF) and 33ºC (91ºF) on average.

More about Bangkok

  • Start your Bangkok trip right by choosing the ideal place to stay. After booking your flight from Seoul to Bangkok, browse our range of accommodation options including:

  • There are so many things to explore in this city it can be tricky to know where to start. Grand Palace, Wat Arun and Wat Phra Kaew are leading attractions which should feature on any good Bangkok itinerary.

Explore more of Thailand

  • You've visited Bangkok, now it's time to discover other parts of Thailand. Travel around 467 kilometres north-east to Udon Thani to tick off its leading sights. From Nong Prajak Public Park to Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor, your itinerary will be busy.

  • If there's time to check out another side of Thailand, consider Chon Buri, about 64 kilometres south-east of Bangkok. Wat Ton Son, Forest and Phra Phutthasihing Hall are the start of reasons to visit.

More travel options

Plan the rest of your trip from Seoul to Bangkok

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