Skyscanner home

C$127 Cheap Flights from Bangkok (BKKT) to Seoul (SELA)

Compare Bangkok to Seoul flight deals

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

Book the best Seoul fare with no extra fees

TrustScore 4.5 out of 5 4.5 out of 5 based on 924 reviews Trustpilot

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 C$291. Find the lowest prices on one-way and return tickets right here.
Seoul.C$127 per passenger.Departing Sat., May 23.One-way flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Sat., May 23, arriving in Incheon International.Price includes taxes and charges.From C$127, select.
Seoul.C$150 per passenger.Departing Sat., Jul. 18.One-way flight with Cebu Pacific.Outbound indirect flight with Cebu Pacific, departs from Bangkok Suvarnabhumi on Sat., Jul. 18, arriving in Incheon International.Price includes taxes and charges.From C$150, select.
Seoul.C$158 per passenger.Departing Tue., Sep. 1.One-way flight with Cebu Pacific.Outbound indirect flight with Cebu Pacific, departs from Bangkok Suvarnabhumi on Tue., Sep. 1, arriving in Incheon International.Price includes taxes and charges.From C$158, select.
Seoul.C$164 per passenger.Departing Fri., Jun. 5.One-way flight with Shandong Airlines.Outbound indirect flight with Shandong Airlines, departs from Bangkok Suvarnabhumi on Fri., Jun. 5, arriving in Incheon International.Price includes taxes and charges.From C$164, select.
Seoul.C$172 per passenger.Departing Fri., Jul. 3.One-way flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Fri., Jul. 3, arriving in Incheon International.Price includes taxes and charges.From C$172, select.
Seoul.C$177 per passenger.Departing Wed., Sep. 16.One-way flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Wed., Sep. 16, arriving in Incheon International.Price includes taxes and charges.From C$177, select.
Seoul.C$177 per passenger.Departing Tue., Aug. 11.One-way flight with Thai LionAir.Outbound direct flight with Thai LionAir departs from Don Mueang on Tue., Aug. 11, arriving in Incheon International.Price includes taxes and charges.From C$177, select.
Seoul.C$179 per passenger.Departing Thu., Oct. 1.One-way flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Thu., Oct. 1, arriving in Incheon International.Price includes taxes and charges.From C$179, select.
Seoul.C$179 per passenger.Departing Sun., Apr. 26.One-way flight with Shandong Airlines.Outbound indirect flight with Shandong Airlines, departs from Bangkok Suvarnabhumi on Sun., Apr. 26, arriving in Incheon International.Price includes taxes and charges.From C$179, select.
Seoul.C$182 per passenger.Departing Sat., Apr. 25.One-way flight with Thai AirAsia X.Outbound direct flight with Thai AirAsia X departs from Don Mueang on Sat., Apr. 25, arriving in Incheon International.Price includes taxes and charges.From C$182, select.
Seoul.C$187 per passenger.Departing Wed., Jun. 3.One-way flight with Thai VietJet Air.Outbound direct flight with Thai VietJet Air departs from Bangkok Suvarnabhumi on Wed., Jun. 3, arriving in Incheon International.Price includes taxes and charges.From C$187, select.
Seoul.C$190 per passenger.Departing Tue., Nov. 17.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Tue., Nov. 17, arriving in Incheon International.Price includes taxes and charges.From C$190, select.
Seoul.C$199 per passenger.Departing Sat., Jan. 9.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Sat., Jan. 9, arriving in Incheon International.Price includes taxes and charges.From C$199, select.
Seoul.C$199 per passenger.Departing Tue., Dec. 1.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Tue., Dec. 1, arriving in Incheon International.Price includes taxes and charges.From C$199, select.
Seoul.C$204 per passenger.Departing Tue., Feb. 2.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Tue., Feb. 2, arriving in Incheon International.Price includes taxes and charges.From C$204, select.
Seoul.C$205 per passenger.Departing Fri., Mar. 5.One-way flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Fri., Mar. 5, arriving in Incheon International.Price includes taxes and charges.From C$205, 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 May.
Mar.
from C$242
Apr.
from C$179
May
from C$127
Jun.
from C$164
Jul.
from C$150
Aug.
from C$177
Sep.
from C$158
Oct.
from C$179
Nov.
from C$190
Dec.
from C$199
Jan.
from C$199
Feb.
from C$204

Which airlines fly 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 C$209
Search flights

Incheon International

48km from central Seoul
Cheapest
from C$127
Search flights

Bangkok to Seoul: Flight information

The things to know before you go.
Cheapest flight foundC$127
Cheapest month to flyMay
Average flight time5 hrs, 36 mins
Most popular airlineKorean Air
Average flights per week314

Finding cheap flights from Bangkok to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Bangkok to Seoul is C$271. 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 35 minutes is the average flight time from Bangkok to Seoul.
Korean Air, Thai Airways and Delta fly direct from Bangkok to Seoul.
As of March 2026, there are 648 flights per week flying from Bangkok to Seoul.
The cheapest month to fly from Bangkok to Seoul is usually August.
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 C$271.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Seoul on Friday, August 21, 2026.
Yes – the average flight time is 5 hours and 35 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 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.
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.
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.
The cheapest airline that flies to Seoul is Thai VietJet Air .

Travelling from Bangkok to Seoul: what you need to know

  • There are two main airports you can fly out of in Bangkok. Check out your options leaving from Suvarnabhumi Airport (BKK) or Don Mueang International Airport (DMK) when booking your flight from Bangkok to Seoul.

  • When working out where to arrive in Seoul, Incheon International Airport (ICN) and Gimpo International Airport (GMP) are the primary gateways.

  • The average time for a direct flight from Bangkok to Seoul is 5 hours 37 minutes. Seoul's timezone is UTC+9, which makes Seoul 2 hours ahead of Bangkok.

  • Suvarnabhumi Airport (BKK) to Incheon International Airport (ICN) is the most traveled route between these two cities. There are 137 departures a week to pick from. If you have things to finalize before heading off, the last flight from Bangkok to Seoul is with Asiana Airlines at 23:55. Choose the first BKK to ICN departure operated by Korean Air at 00:10 if you're more of an early bird.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your flight from Bangkok to Seoul.

  • During popular months like July, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during peak periods in general.

  • To enter South Korea for tourism purposes, you will need an ETA if you hold a passport from Thailand. However, visa rules are subject to change and other documentation may be needed depending on the length and purpose of your stay. Always check the most up-to-date guidelines before reserving your cheap flight from Bangkok to Seoul.

Flying from Bangkok

Suvarnabhumi Airport (BKK)

  • If you're after a direct flight from Bangkok to Seoul, you can board one at Suvarnabhumi Airport (BKK). Travel from BKK to Incheon International Airport (ICN) in one seamless trip.

  • Numerous airlines at BKK operate direct flights from Bangkok to Seoul. They include:

  • A stopover is the ideal opportunity to break up your trip — and possibly even explore a different city. When browsing flights from Bangkok to Seoul departing from Suvarnabhumi Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Beijing Capital International Airport (PEK)

    • Kansai International Airport (KIX)

    • Daxing International Airport (PKX)

  • Located around 32 kilometres from the centre of Bangkok, BKK can be reached in about 35 minutes by car, depending on traffic. The journey by public transport takes roughly 1 hour and 6 minutes.

  • Planning to catch an early flight from Bangkok to Seoul? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays near Suvarnabhumi Airport:

Don Mueang International Airport (DMK)

  • Visit family or friends or just take a moment to recharge with a stopover. If you'd like to split up your flight from Bangkok to Seoul, browse these options when setting off from Suvarnabhumi Airport:

    • Beijing Capital International Airport (PEK)

    • Kansai International Airport (KIX)

    • Daxing International Airport (PKX)

  • You can reach DMK from the centre of Bangkok in approximately 30 minutes by car, depending on traffic conditions. The ride on public transport will take roughly 1 hour and 5 minutes to cover the 27 kilometres or so.

  • You're going on vacation, so why not enjoy an additional night away? Think about checking in to one of these accommodation options near Don Mueang International Airport the day before your flight from Bangkok to Seoul:

Arriving in Seoul

Incheon International Airport (ICN)

  • Incheon International Airport (ICN) to the centre of Seoul is around 48 kilometres. If you're taking a cab or renting a car, do a little research to make your trip as smooth as possible. Journey times vary based on traffic and the time of day.

  • It typically takes 1 hour and 44 minutes if you're travelling on public transport.

  • Consider staying in a hotel close to ICN if you're taking a late flight from Bangkok to Seoul. Settle into one of these options and skip the long transfer:

Gimpo International Airport (GMP)

  • Central Seoul is approximately 16 kilometres from Gimpo International Airport (GMP). Step off your flight from Bangkok to Seoul and then look for any airport signs that'll help you get to the city centre.

  • The trip will take roughly 1 hour and 3 minutes on public transport.

  • After your flight from Bangkok to Seoul, settle in at a hotel near GMP. These are some great options that'll help you sink into relaxation mode:

How to find the cheapest flights from Bangkok to Seoul

  • C$127 is currently the best price for a one-way ticket from Bangkok to Seoul. Return flights start at C$271. These prices may change depending on demand and availability.

  • Lock in cheap flights from Bangkok to Seoul by booking 10 months ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • The cheapest month for tickets from Bangkok to Seoul is June. Compare prices using the 'Whole month' tool to find the cheapest day to fly.

  • Getting a cheap ticket from Bangkok to Seoul is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when the price has dropped.

  • Use filters to tailor your flights from Bangkok to Seoul. Pick your preferred arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Best time to go to Seoul

  • July is the most popular month for flights from Bangkok to Seoul. To travel when it's less crowded, visit Seoul in April.

  • When booking your flight from Bangkok to Seoul, consider the kind of weather you prefer. August is the warmest month in Seoul, with the temperature ranging from 19ºC to 32ºC.

  • January has average temperatures of between -12ºC and 4ºC. Search for cheap flights from Bangkok to Seoul sometime around then if you like travelling in cooler conditions.

More about Seoul

  • Start your Seoul trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Bangkok to Seoul, explore our selection of hotels including:

  • Gyeongbokgung Palace and Bukchon Hanok Village are a couple of top attractions to put on your Seoul travel itinerary. Keep the adventure rolling by checking out N Seoul Tower.

Complete your Seoul trip with a car rental

  • Discover our range of car rentals once you've booked your hotel and cheap flight from Bangkok to Seoul. Whether you want a compact ride, an SUV or something with all the extras, you can compare companies in one go to find the best deal.

Plan the rest of your trip from Bangkok to Seoul

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