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Cheap Flights from Incheon International to Bangkok

Compare Incheon International to Bangkok flight deals

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

Book the best Bangkok fare with no extra fees

Flight deals from Incheon International to Bangkok

Looking for a cheap last-minute deal or the best return flight from Incheon International to Bangkok? Find the lowest prices on one-way and return tickets right here.
Bangkok.112 € per passenger.Departing Mon, 7 Jul, returning Fri, 11 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Mon, 7 Jul, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Fri, 11 Jul, arriving in Incheon International.Price includes taxes and charges.From 112 €, select.
Bangkok.113 € per passenger.Departing Mon, 18 Aug, returning Fri, 22 Aug.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Mon, 18 Aug, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Fri, 22 Aug, arriving in Incheon International.Price includes taxes and charges.From 113 €, select.
Bangkok.118 € per passenger.Departing Fri, 29 Aug, returning Tue, 2 Sep.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 29 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Tue, 2 Sep, arriving in Incheon International.Price includes taxes and charges.From 118 €, select.
Bangkok.118 € per passenger.Departing Thu, 18 Sep, returning Sun, 21 Sep.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Thu, 18 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Sun, 21 Sep, arriving in Incheon International.Price includes taxes and charges.From 118 €, select.
Bangkok.118 € per passenger.Departing Fri, 24 Oct, returning Sun, 26 Oct.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Fri, 24 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Sun, 26 Oct, arriving in Incheon International.Price includes taxes and charges.From 118 €, select.
Bangkok.119 € per passenger.Departing Tue, 9 Sep, returning Tue, 30 Sep.Return flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Incheon International on Tue, 9 Sep, arriving in Bangkok Suvarnabhumi.Inbound direct flight with Eastar Jet departs from Bangkok Suvarnabhumi on Tue, 30 Sep, arriving in Incheon International.Price includes taxes and charges.From 119 €, select.
Bangkok.120 € per passenger.Departing Wed, 6 May, returning Sun, 10 May.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Wed, 6 May, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Sun, 10 May, arriving in Incheon International.Price includes taxes and charges.From 120 €, select.
Bangkok.122 € per passenger.Departing Mon, 1 Sep, returning Fri, 3 Oct.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Mon, 1 Sep, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Fri, 3 Oct, arriving in Incheon International.Price includes taxes and charges.From 122 €, select.

Find the cheapest month to fly from Incheon International to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Bangkok flights are currently cheapest in July.
Jun
from 190 €
Jul
from 112 €
Aug
from 113 €
Sep
from 118 €
Oct
from 118 €
Nov
from 134 €
Dec
from 137 €
Jan
from 156 €
Feb
from 156 €
Mar
from 154 €
Apr
from 122 €
May
from 120 €

Direct flights from Incheon International to Bangkok

Alternative Incheon International to Bangkok routes

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

Seoul to Bangkok: Flight information

The things to know before you go.
Cheapest flight found112 €
Cheapest month to flyJuly
Average flight time6 hrs, 3 mins
Most popular airlineKorean Air
Average flights per week203

Finding cheap flights from Incheon International 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 Incheon International to Bangkok is 112 €. 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.
6 hours and 2 minutes is the average flight time from Incheon International to Bangkok.
Korean Air, Asiana Airlines and Delta fly direct from Incheon International to Bangkok.
As of June 2025, there are 609 flights per week flying from Incheon International to Bangkok.
The cheapest month to fly from Incheon International to Bangkok is usually June 2025.
If you're flying from Incheon International Airport, 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 112 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Bangkok on Monday, 7 July 2025.
Yes – the average flight time is 6 hours and 2 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 June, the average temperature is usually around 29°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.
Currently, T'way Air offers the cheapest flight tickets to Bangkok.

Travelling from Incheon International Airport (ICN) to Bangkok: what you need to know

  • Book a direct flight from Incheon International Airport to Bangkok and you'll be in the air for an average of 5 hours 30 minutes.

  • Incheon International Airport is located in Seoul. Based in the UTC+7 timezone, Bangkok is two hours behind Seoul.

  • Incheon International Airport (ICN) to Suvarnabhumi Airport (BKK) is the most traveled route, with 91 flights a week to pick from. If you have things to do before heading off, the last flight from ICN to BKK is with Korean Air at 21:15. Opt for the first departure with Asiana Airlines at 07:20 if you want to get on your way earlier.

  • To avoid rushing for your ICN to Bangkok flight, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • If you're heading away during a major holiday or another peak period, allow for even more time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • Direct Incheon International Airport to Bangkok tickets are available for booking. Suvarnabhumi Airport (BKK) is where you'll step off the plane.

  • These are some of the most popular carriers operating direct flights from Incheon International Airport to Bangkok:

  • A stopover is the ideal opportunity to take a break from travelling and maybe even explore another city. When searching for plane tickets from ICN to Bangkok, uncheck the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Guangzhou Baiyun International Airport (CAN)

    • Hong Kong International Airport (HKG)

    • Taiwan Taoyuan International Airport (TPE)

  • ICN is about 48 kilometres from central Seoul. To help you work out how to get there, use Google Maps. This handy travel app will show you the fastest route and your public transport options.

  • Want a stress-free start to your holiday? Stay near ICN. Whether you have an early flight from Incheon International Airport to Bangkok or don't want departure day to feel hectic, these hotels have you covered:

  • 54.5% of flights that take off from Incheon International Airport make it to their destination on schedule.

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

  • The best price we've found for a one-way Incheon International Airport to Bangkok flight is 43 €. The cheapest price for a return flight is 112 €. Remember fares may change due to availability at the time of booking.

  • To score cheap flights from ICN to Bangkok, book your journey two months ahead of your departure.

  • June is the best month for picking up an amazing deal on Incheon International Airport to Bangkok tickets. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Cut down on the time spent looking for cheap flights from ICN to Bangkok by setting up a Price Alert. You'll get an email or push notification on the app when a new discounted fare appears.

  • Save on your flight from Incheon International Airport to Bangkok with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • Suvarnabhumi Airport (BKK) is around 32 kilometres from central Bangkok. If you're grabbing a cab or a ride-share, the drive takes roughly 35 minutes.

  • If you're travelling by public transport, expect a journey time of about 1 hour 5 minutes.

  • Think about booking a hotel near BKK if you have a late flight from Incheon International Airport to Bangkok. Pick one of these accommodation options and avoid the hassle of a long transfer:

  • Grab a Suvarnabhumi Airport rental car and explore Bangkok and beyond with your own wheels. Chic Car Rent, asap car hire and Hertz are popular outlets to choose from here.

  • Reserving your vehicle from Suvarnabhumi Airport around four weeks ahead of your flight from ICN to Bangkok can help you lock in the lowest rate.

Don Mueang International Airport (DMK)

  • The centre of Bangkok is about 27 kilometres from Don Mueang International Airport (DMK). After your flight from Incheon International Airport to Bangkok has touched down and you've navigated your way to arrivals, the drive should be around 30 minutes.

  • The journey will take about 1 hour 5 minutes on public transport.

  • Following your ICN to Bangkok flight, unwind at a hotel close to DMK. These are some great accommodation options that'll help you get into relaxation mode:

  • The quickest way to get to where you're going is with a Don Mueang International Airport rental car. Grab your wheels from Chic Car Rent, asap car hire or Hertz and set off in the blink of an eye.

  • Secure your first choice, not your last resort. Securing your ride from DMK three weeks ahead of time often means better deals and a wider range of vehicles.

Best time to go to Bangkok

  • Before you book your flights from Incheon International Airport to Bangkok, consider which time of year works best for you. High season in Bangkok offers a lively atmosphere and plenty of things to do, while the low season means you'll get cheaper hotel deals and smaller crowds.

  • Before locking in your Incheon International Airport to Bangkok plane ticket, think about the type of weather you enjoy. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).

  • Look for cheap tickets from ICN to Bangkok in December if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 19ºC (66ºF) and 33ºC (91ºF) on average.

More about Bangkok

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

  • There are so many things to see and do in this city it can be tricky to work out where to begin. Wat Arun, Grand Palace and Wat Phra Kaew are popular attractions which should feature on any well-planned Bangkok itinerary.

Explore more of Thailand

  • You've done Bangkok, now it's time to discover other parts of Thailand. Journey 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, you'll have a packed itinerary ahead.

  • Nakhon Ratchasima is another sought-after destination in Thailand and is around 225 kilometres north-east of Bangkok. No journey is complete without visiting Art and Culture Centre, Vongchavalitkul University, Wat Pa Salwan (Burapha Chan Chedi) and บ้านสวนเกษตรอินทรีย์ (บ้านสวนในซอย).

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.