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Cheap Flights from Bangkok to Seoul

Travellers and cabin class

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

Flight deals from Bangkok to Seoul

Looking for a cheap last-minute deal or the best return flight from Bangkok to Seoul? Find the lowest prices on one-way and return tickets right here.
Seoul.SAR 327 per passenger.Departing Thu, 28 Aug.One-way flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Bangkok Suvarnabhumi on Thu, 28 Aug, arriving in Incheon International.Price includes taxes and charges.From SAR 327, select.
Seoul.SAR 327 per passenger.Departing Wed, 17 Sep.One-way flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Bangkok Suvarnabhumi on Wed, 17 Sep, arriving in Incheon International.Price includes taxes and charges.From SAR 327, select.
Seoul.SAR 353 per passenger.Departing Mon, 7 Jul.One-way flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Bangkok Suvarnabhumi on Mon, 7 Jul, arriving in Incheon International.Price includes taxes and charges.From SAR 353, select.
Seoul.SAR 353 per passenger.Departing Sun, 19 Oct.One-way flight with Eastar Jet.Outbound direct flight with Eastar Jet departs from Bangkok Suvarnabhumi on Sun, 19 Oct, arriving in Incheon International.Price includes taxes and charges.From SAR 353, select.
Seoul.SAR 374 per passenger.Departing Wed, 21 May.One-way flight with Thai AirAsia X.Outbound direct flight with Thai AirAsia X departs from Don Mueang on Wed, 21 May, arriving in Incheon International.Price includes taxes and charges.From SAR 374, select.
Seoul.SAR 374 per passenger.Departing Mon, 21 Apr.One-way flight with Thai AirAsia X.Outbound direct flight with Thai AirAsia X departs from Don Mueang on Mon, 21 Apr, arriving in Incheon International.Price includes taxes and charges.From SAR 374, select.
Seoul.SAR 377 per passenger.Departing Thu, 26 Jun.One-way flight with Thai AirAsia X.Outbound direct flight with Thai AirAsia X departs from Don Mueang on Thu, 26 Jun, arriving in Incheon International.Price includes taxes and charges.From SAR 377, select.
Seoul.SAR 445 per passenger.Departing Wed, 19 Mar.One-way flight with HK Express.Outbound indirect flight with HK Express, departs from Bangkok Suvarnabhumi on Wed, 19 Mar, arriving in Incheon International.Price includes taxes and charges.From SAR 445, 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 August.
Feb
from SAR 699
Mar
from SAR 445
Apr
from SAR 374
May
from SAR 374
Jun
from SAR 377
Jul
from SAR 353
Aug
from SAR 327
Sep
from SAR 327
Oct
from SAR 353
Nov
from SAR 452
Dec
from SAR 544
Jan
from SAR 480

Direct flights 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.

Bangkok to Seoul: Flight information

The things to know before you go.
Cheapest flight foundSAR 327
Cheapest month to flyAugust
Average flight time5 hrs, 30 mins
Most popular airlineKorean Air
Average flights per week776

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 SAR 635. 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 30 minutes is the average flight time from Bangkok to Seoul.
Korean Air, Asiana Airlines and Thai Airways fly direct from Bangkok to Seoul.
As of February 2025, there are 202 flights per week flying from Bangkok to Seoul.
The cheapest month to fly from Bangkok to Seoul is usually February 2025.
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 SAR 635.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Seoul on Thursday, 28 August 2025.
Yes – the average flight time is 5 hours and 30 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 February, the average temperature is usually around -2°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 Eastar Jet .

How to find cheap flights to Seoul

Looking for cheap flights to Seoul? Here are a few tips on how to secure the best price and make your flight journey as smooth as possible.

  • Simply hit 'search'. We've compared hundreds of online travel agents along with all major airlines flying to Seoul to find the cheapest plane tickets. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Seoul from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to score the best fares for your Seoul flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Seoul.
  • Set up a Price Alert. You can easily track the price of your cheap flights to Seoul by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible Seoul flight deal.
  • Fly without stops. Only interested in direct flights? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights to Seoul available, these will appear in the results.
  • Find the cheapest Business class flights to Seoul. We scour the internet for the best Business, Premium Economy and First Class flight fares to Seoul, too. Check the difference in price as you search – you might just chance upon a last-minute low fare.
  • Include nearby airports in your search. Widen your search for Seoul flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

    • Combine your flight to Seoul with hotels and car hire

    Once you've secured your cheap ticket to Seoul, discover the best prices and exclusive rates for hotels in Seoul. You can also compare hundreds of car hire companies in one go so that you get the best car rental price for your trip.

    Compare Seoul flight tickets with other destinations using the everywhere search

    Not entirely set on flying to Seoul yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel from your departure point.


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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.