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Cheap Flights from Seoul (ICN) to Bangkok (BKK)

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Compare Incheon International to Bangkok Suvarnabhumi flight deals

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

Book the best Bangkok Suvarnabhumi fare with no extra fees

Flight deals from Incheon International to Bangkok Suvarnabhumi

Looking for a cheap last-minute deal or the best return flight from Incheon International to Bangkok Suvarnabhumi? Find the lowest prices on one-way and return tickets right here.
Bangkok.$197 per passenger.Departing Mon, 20 Oct, returning Sun, 26 Oct.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Mon, 20 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 $197, select.
Bangkok.$197 per passenger.Departing Wed, 29 Oct, returning Tue, 4 Nov.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Wed, 29 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Tue, 4 Nov, arriving in Incheon International.Price includes taxes and charges.From $197, select.
Bangkok.$201 per passenger.Departing Tue, 1 Jul, returning Thu, 3 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 1 Jul, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Thu, 3 Jul, arriving in Incheon International.Price includes taxes and charges.From $201, select.
Bangkok.$201 per passenger.Departing Mon, 11 Aug, returning Wed, 10 Sep.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Mon, 11 Aug, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Wed, 10 Sep, arriving in Incheon International.Price includes taxes and charges.From $201, select.
Bangkok.$201 per passenger.Departing Tue, 24 Jun, returning Tue, 1 Jul.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 24 Jun, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Tue, 1 Jul, arriving in Incheon International.Price includes taxes and charges.From $201, select.
Bangkok.$201 per passenger.Departing Mon, 18 Aug, returning Thu, 21 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 Thu, 21 Aug, arriving in Incheon International.Price includes taxes and charges.From $201, select.
Bangkok.$201 per passenger.Departing Tue, 13 May, returning Thu, 15 May.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Tue, 13 May, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Thu, 15 May, arriving in Incheon International.Price includes taxes and charges.From $201, select.
Bangkok.$201 per passenger.Departing Sun, 13 Jul, returning Sat, 4 Oct.Return flight with T'way Air.Outbound direct flight with T'way Air departs from Incheon International on Sun, 13 Jul, arriving in Bangkok Suvarnabhumi.Inbound direct flight with T'way Air departs from Bangkok Suvarnabhumi on Sat, 4 Oct, arriving in Incheon International.Price includes taxes and charges.From $201, select.

Find the cheapest month to fly from Incheon International to Bangkok Suvarnabhumi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Bangkok Suvarnabhumi flights are currently cheapest in October.
May
from $201
Jun
from $201
Jul
from $201
Aug
from $201
Sep
from $201
Oct
from $197
Nov
from $233
Dec
from $235
Jan
from $352
Feb
from $391
Mar
from $277
Apr
from $245

Direct flights from Incheon International to Bangkok Suvarnabhumi

Incheon International to Bangkok Suvarnabhumi: Alternative routes

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

Seoul to Bangkok: Flight information

The things to know before you go.
Cheapest flight found$197
Cheapest month to flyOctober
Average flight time5 hrs, 54 mins
Most popular airlineKorean Air
Average flights per week212

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

The best price we found for a return flight from Incheon International to Bangkok Suvarnabhumi is $197. 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 54 minutes is the average flight time from Incheon International to Bangkok Suvarnabhumi.
Korean Air, Delta and Asiana Airlines fly direct from Incheon International to Bangkok Suvarnabhumi.
As of May 2025, there are 215 flights per week flying from Incheon International to Bangkok Suvarnabhumi.
The cheapest month to fly from Incheon International to Bangkok Suvarnabhumi is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Bangkok Suvarnabhumi Airport on Wednesday, 29 October 2025.
Yes – the average flight time is 5 hours and 54 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 Suvarnabhumi 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.
Currently, Vietnam Airlines and T'way Air offer the cheapest flight tickets to Bangkok Suvarnabhumi.

Flying from Incheon International Airport (ICN) to Suvarnabhumi Airport (BKK): what you need to know

  • The average length of a direct flight from Incheon International Airport to Suvarnabhumi Airport is 5 hours 50 minutes.

  • Bangkok's timezone is UTC+7, which makes Bangkok two hours behind Seoul.

  • Each week, there are 142 Incheon International Airport to Suvarnabhumi Airport flights. If you'd like to jet off early, take the 01:05 Thai AirAsia X flight. If you're eager to make the most of your time before flying, the last flight is at 20:40 with Jeju Air.

  • To ensure you catch your ICN to BKK flight, leave enough time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months such as July, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during a high season in general.

  • There are plenty of direct flights from Incheon International Airport to Suvarnabhumi Airport to choose from. When organising your Bangkok journey, these carriers can fly you nonstop to this exciting part of Thailand:

  • Jeju Air is the most frequently booked airline on this route.

  • Air Busan is the most punctual carrier that operates ICN to BKK flights. A dependable 93.1% of its services on this route arrive as planned.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Incheon International Airport to Suvarnabhumi Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to visit your chosen city. Some great stopovers between ICN and BKK include:

    • Taiwan Taoyuan International Airport

    • Hong Kong International Airport

    • Qingdao Liuting International Airport

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

  • Right now, $92 is the cheapest price we've seen for a one-way Incheon International Airport to Suvarnabhumi Airport flight. The best price for a return plane ticket is $197. Bear in mind that fares could change due to availability when booking.

  • To secure cheap tickets from ICN to BKK, reserve your trip seven months before your departure date.

  • June is the cheapest month for flights from Incheon International Airport to Suvarnabhumi Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • You don't need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment there's a new deal on cheap flights from ICN to BKK.

  • Lock in the perfect flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Incheon International Airport to Suvarnabhumi Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Incheon International Airport (ICN)

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

  • The journey from central Seoul to Incheon International Airport is around 48 kilometres. Check out Google Maps for the best route, whether you plan to drive or take public transport.

  • Expect a journey time of about 1 hour 45 minutes when using public transport.

  • Get your travels off to a hassle-free start by staying near ICN. Whether you have an early flight from Incheon International Airport to Suvarnabhumi Airport or just don't want to be rushed, these stays are the answer:

Arriving at Suvarnabhumi Airport (BKK)

  • If you have a late Incheon International Airport to Suvarnabhumi Airport flight, few things top the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these hotels near BKK:

  • Pick up a Suvarnabhumi Airport rental car and discover Bangkok and beyond with your own set of wheels. Chic Car Rent, asap car hire and Hertz are well-known companies to choose from here.

  • To get the best deal, book your ride from Suvarnabhumi Airport around four weeks before travelling.

Getting from Suvarnabhumi Airport (BKK) to central Bangkok

  • Suvarnabhumi Airport to the centre of Bangkok has a drive time of around 35 minutes. It's approximately 32 kilometres away.

  • Getting to the centre on public transport will take you roughly 1 hour 5 minutes.

When to fly to Suvarnabhumi Airport (BKK)

  • It's time to choose your travel dates for your flight from Incheon International Airport to Suvarnabhumi Airport. July is the busiest month to head to Bangkok. If you're after a more relaxed vibe, go in April.

  • The warmest month in Bangkok is April, with the temperature ranging between 26ºC (79ºF) and 37ºC (99ºF). Book your flights from Incheon International Airport to Suvarnabhumi Airport in this month if this is the kind of weather you like.

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

Explore more of Thailand

  • Bangkok has plenty to offer, but there are so many other corners of Thailand just waiting to be discovered. About 467 kilometres north-east of Bangkok, a trip to Udon Thani will keep you busy. Start with leading attractions like Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • If there's time to check out another well-known destination in Thailand, consider Chon Buri, about 64 kilometres south-east of Bangkok. Wat Ton Son, Forest and Phra Phutthasihing Hall are key highlights.

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.