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Cheap Flights from Bangkok to Incheon International

Compare Bangkok to Incheon International flight deals

Find the cheapest month or even day of the year to fly to Incheon International

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Flight deals from Bangkok to Incheon International

Looking for a cheap last-minute deal or the best return flight from Bangkok to Incheon International Airport? If you want to travel next month, return fares start from $425. Find the lowest prices on one-way and return tickets right here.
Seoul.$425 per passenger.Departing Wed, 22 Jul, returning Wed, 22 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Wed, 22 Jul, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Wed, 22 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $425, select.
Seoul.$429 per passenger.Departing Sun, 26 Jul, returning Sat, 22 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Sun, 26 Jul, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sat, 22 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $429, select.
Seoul.$436 per passenger.Departing Thu, 18 Jun, returning Tue, 18 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Thu, 18 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Tue, 18 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $436, select.
Seoul.$436 per passenger.Departing Thu, 18 Jun, returning Sun, 26 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Thu, 18 Jun, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Sun, 26 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $436, select.
Seoul.$437 per passenger.Departing Thu, 30 Jul, returning Mon, 7 Sep.Return flight with T'way Air and Thai VietJet Air.Outbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Thu, 30 Jul, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Mon, 7 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $437, select.
Seoul.$438 per passenger.Departing Tue, 27 Oct, returning Mon, 2 Nov.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Tue, 27 Oct, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Mon, 2 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $438, select.
Seoul.$438 per passenger.Departing Mon, 7 Sep, returning Fri, 11 Sep.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Mon, 7 Sep, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Fri, 11 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $438, select.
Seoul.$441 per passenger.Departing Thu, 27 Aug, returning Mon, 31 Aug.Return flight with Thai VietJet Air and T'way Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Thu, 27 Aug, arriving in Incheon International.Inbound direct flight with T'way Air departs from Incheon International on Mon, 31 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $441, select.
Seoul.$442 per passenger.Departing Mon, 7 Sep, returning Wed, 25 Nov.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Mon, 7 Sep, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Wed, 25 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $442, select.
Seoul.$443 per passenger.Departing Mon, 22 Feb, returning Mon, 1 Mar.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Mon, 22 Feb, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Mon, 1 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $443, select.
Seoul.$449 per passenger.Departing Mon, 23 Nov, returning Sun, 6 Dec.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Mon, 23 Nov, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Sun, 6 Dec, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $449, select.
Seoul.$449 per passenger.Departing Wed, 22 Jul, returning Thu, 26 Nov.Return flight with T'way Air and Thai VietJet Air.Outbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Wed, 22 Jul, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Thu, 26 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $449, select.
Seoul.$451 per passenger.Departing Mon, 23 Nov, returning Fri, 27 Nov.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Mon, 23 Nov, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Fri, 27 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $451, select.
Seoul.$453 per passenger.Departing Sun, 10 Jan, returning Sun, 17 Jan.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Sun, 10 Jan, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Sun, 17 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $453, select.
Seoul.$455 per passenger.Departing Wed, 4 Nov, returning Mon, 18 Jan.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Wed, 4 Nov, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Mon, 18 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $455, select.
Seoul.$455 per passenger.Departing Sun, 25 Oct, returning Tue, 27 Oct.Return flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Sun, 25 Oct, arriving in Incheon International.Inbound direct flight with Thai VietJet Air departs from Incheon International on Tue, 27 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $455, select.

Find the cheapest month to fly from Bangkok to Incheon International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to Incheon International flights are currently cheapest in July.
Jun
from $472
Jul
from $425
Aug
from $441
Sep
from $438
Oct
from $455
Nov
from $451
Dec
from $464
Jan
from $453
Feb
from $457
Mar
from $457
Apr
from $473
May
from $728

Direct flights from Bangkok to Incheon International

Bangkok to Incheon International: Alternative routes

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

Gimpo International

17km from central Seoul
Closest
from $558
Search flights

Incheon International

48km from central Seoul
Cheapest
from $425
Search flights

Bangkok to Seoul: Flight information

The things to know before you go.
Cheapest flight found$425
Cheapest month to flyJuly
Average flight time5 hrs, 47 mins
Most popular airlineKorean Air
Average flights per week260

Finding cheap flights from Bangkok to Incheon International: Frequently asked questions

The best price we found for a return flight from Bangkok to Incheon International is $425. 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 46 minutes is the average flight time from Bangkok to Incheon International.
Korean Air, Thai Airways and Asiana Airlines fly direct from Bangkok to Incheon International.
As of June 2026, there are 260 flights per week flying from Bangkok to Incheon International.
The cheapest month to fly from Bangkok to Incheon International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Incheon International Airport on Wednesday, 22 July 2026.
Yes – the average flight time is 5 hours and 36 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 Incheon International 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.
The cheapest airline that flies to Incheon International is T'way Air .

Flying from Bangkok to Seoul Incheon International Airport (ICN): What you need to know

  • Bangkok is home to a couple of airports where you can kick off your travels. Explore your options for booking a flight from Bangkok to Seoul Incheon International Airport (ICN) flying out of Bangkok Suvarnabhumi International Airport (BKK) or Bangkok Don Mueang International Airport (DMK).

  • The average length of a direct Bangkok to Seoul Incheon International Airport flight is 5 hours 30 minutes.

  • Seoul is two hours ahead of Bangkok. Seoul Incheon International Airport is located in Seoul, which is in the UTC+9 timezone.

  • The busiest route is Bangkok Suvarnabhumi International Airport (BKK) to Seoul Incheon International Airport (ICN). Pick from 102 direct services every week.

  • Your flight from Bangkok to ICN won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Flying over a peak time like February? Public holidays and other popular seasons can lead to longer lines at check-in and security. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

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

  • These are some of the popular carriers offering direct flights from Bangkok to Seoul Incheon International Airport leaving from BKK:

  • The majority of passengers prefer to fly with Korean Air between BKK and ICN.

  • The carrier with the top on-time arrival performance on this route is Air Busan.

  • A stopover is the perfect opportunity to break up your journey and maybe even visit a new city. When browsing cheap flights from Bangkok to ICN leaving from Bangkok Suvarnabhumi International Airport (BKK), uncheck the 'Direct flights only' box to find out where you can stop along the way. Some popular options include:

    • Shanghai Pudong International Airport (PVG)

    • Taiwan Taoyuan International Airport (TPE)

    • Nanjing Lukou International Airport (NKG)

  • BKK is about 31 kilometres from central Bangkok. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 35 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the journey time to be around 35 minutes.

  • In search of a convenient hotel close to Bangkok Suvarnabhumi International Airport? If you're catching an early flight from Bangkok to Seoul Incheon International Airport, these accommodation options will have you sleeping a quick hop from check-in:

  • Of all flights departing from Bangkok Suvarnabhumi International Airport, 73% arrive as scheduled at their destination.

Bangkok Don Mueang International Airport (DMK)

  • You can book a direct Bangkok to Seoul Incheon International Airport (ICN) plane ticket out of Bangkok Don Mueang International Airport (DMK). See if flying from DMK works better for your plans.

  • Get on your direct flight from Bangkok to ICN with Thai AirAsia X. This is one of the top carriers flying this route out of DMK.

  • Thai AirAsia X is the most frequently booked airline flying from DMK to ICN.

  • Cross another spot off your travel list or just take a moment to reset with a stopover. If you'd like to break up your flight from Bangkok to Seoul Incheon International Airport, browse these options when departing from Bangkok Don Mueang International Airport:

    • Taiwan Taoyuan International Airport (TPE)

    • Jinan Yaoqiang International Airport (TNA)

    • Chiang Mai International Airport (CNX)

  • On public transport, you can travel from central Bangkok to DMK in about 1 hour 5 minutes. The terminal is roughly 24 kilometres away, and making the journey by car will take approximately 35 minutes.

  • Want to enjoy an extra night away before boarding your Bangkok to ICN flight? Relax in a hotel near Bangkok Don Mueang International Airport before your break officially begins. These stays have your key waiting:

  • Looking at how often flights stay on schedule, Bangkok Don Mueang International Airport has an on-time arrival performance of 60%.

About Seoul Incheon International Airport (ICN)

  • The last thing you want is a long journey to your hotel if you're arriving on a late flight from Bangkok to Seoul Incheon International Airport. Book one of these accommodation options near ICN instead:

  • Secure the lowest price by reserving your ride around four weeks ahead of your Bangkok to Seoul Incheon International Airport flight.

Getting from Seoul Incheon International Airport (ICN) to central Seoul

  • Seoul Incheon International Airport is around 48 kilometres from central Seoul. It takes around 1 hour 5 minutes or so to drive to the city.

  • It takes roughly 50 minutes when travelling by public transport.

How to find the cheapest flights from Bangkok to Seoul Incheon International Airport (ICN)

  • $227 is currently the best price for a one-way ticket from Bangkok to Seoul Incheon International Airport. Return flights start from $425. These prices can change based on availability.

  • Book one month before flying. Research into pricing trends suggests this is the ideal window for finding cheap flights from Bangkok to ICN.

  • June is when you're most likely to land a bargain on a Bangkok to Seoul Incheon International Airport ticket. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment a better deal is available on plane tickets from Bangkok to ICN.

  • Save money on your flight from Bangkok to Seoul Incheon International 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 Bangkok to Seoul Incheon International Airport (ICN)

  • January is the most popular month for flights from Bangkok to Seoul Incheon International Airport (ICN). Plan your visit to Seoul in December if you'd rather avoid peak season.

  • Lock in a Bangkok to ICN plane ticket departing in August if you're eager to visit the city during its warmest month. You can expect temperatures in Seoul to range from 19ºC to 32ºC.

  • Look for cheap tickets from Bangkok to Seoul Incheon International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC and 4ºC.

More about Seoul

  • Once you've booked your flight from Bangkok to Seoul Incheon International Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Seoul:

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

Explore more of South Korea

  • You've seen Seoul, now it's time to explore other parts of South Korea. Travel about 257 kilometres southeast to Daegu to check off its leading attractions. From Alive Aquarium Daegu to Nature Park and Seonsa Historical Park, there's plenty to keep you busy.

  • If you're ready to explore another major destination in South Korea, head for Daejeon, about 153 kilometres southeast of Seoul. National Science Museum, Temi Park and Yuseong Hot Springs are the start of reasons to visit.

More travel options

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