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£82 Cheap Flights from Seoul (ICN) to Bangkok (BKK)

View £82 flight on Sat, 26 Sept 2026Opens in a new window

Flight 1

Popular airlines from Incheon Intl. Airport (ICN) to Suvarnabhumi International Airport (BKK)

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

Prices were available within the past 7 days and start at £82 for one-way flights and £193 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Trinity Airways
Tue, 29 Sept - Sun, 4 Oct
ICN
Seoul
BKK
Bangkok
£193 Return, found 6 days ago
£193
Return
found 6 days ago
Select Trinity Airways flight, departing Tue, 29 Sept from Seoul to Bangkok, returning Sun, 4 Oct, priced at £193 found 6 days ago
Hahn Air Systems
Thu, 29 Oct - Sun, 1 Nov
ICN
Seoul
BKK
Bangkok
£214 Return, found 13 hours ago
£214
Return
found 13 hours ago
Select Hahn Air Systems flight, departing Thu, 29 Oct from Seoul to Bangkok, returning Sun, 1 Nov, priced at £214 found 13 hours ago
Vietnam Airlines
Thu, 17 Sept - Thu, 24 Sept
ICN
Seoul
BKK
Bangkok
£225 Return, found 9 hours ago
£225
Return
found 9 hours ago
Select Vietnam Airlines flight, departing Thu, 17 Sept from Seoul to Bangkok, returning Thu, 24 Sept, priced at £225 found 9 hours ago
Air China
Sun, 29 Nov - Sat, 5 Dec
ICN
Seoul
BKK
Bangkok
£259 Return, just found
£259
Return
just found
Select Air China flight, departing Sun, 29 Nov from Seoul to Bangkok, returning Sat, 5 Dec, priced at £259 just found
Xiamen Airlines
Thu, 17 Sept - Thu, 24 Sept
ICN
Seoul
BKK
Bangkok
£264 Return, found 9 hours ago
£264
Return
found 9 hours ago
Select Xiamen Airlines flight, departing Thu, 17 Sept from Seoul to Bangkok, returning Thu, 24 Sept, priced at £264 found 9 hours ago
China Eastern Airlines
Sun, 29 Nov - Sat, 5 Dec
ICN
Seoul
BKK
Bangkok
£270 Return, just found
£270
Return
just found
Select China Eastern Airlines flight, departing Sun, 29 Nov from Seoul to Bangkok, returning Sat, 5 Dec, priced at £270 just found
Scoot
Mon, 18 Jan - Sun, 31 Jan
ICN
Seoul
BKK
Bangkok
£277 Return, found 18 hours ago
£277
Return
found 18 hours ago
Select Scoot flight, departing Mon, 18 Jan from Seoul to Bangkok, returning Sun, 31 Jan, priced at £277 found 18 hours ago
Korean Air
Tue, 29 Sept - Thu, 1 Oct
ICN
Seoul
BKK
Bangkok
£281 Return, found 1 day ago
£281
Return
found 1 day ago
Select Korean Air flight, departing Tue, 29 Sept from Seoul to Bangkok, returning Thu, 1 Oct, priced at £281 found 1 day ago
Asiana Airlines
Thu, 17 Sept - Thu, 24 Sept
ICN
Seoul
BKK
Bangkok
£287 Return, found 9 hours ago
£287
Return
found 9 hours ago
Select Asiana Airlines flight, departing Thu, 17 Sept from Seoul to Bangkok, returning Thu, 24 Sept, priced at £287 found 9 hours ago
China Southern Airlines
Thu, 26 Nov - Mon, 30 Nov
ICN
Seoul
BKK
Bangkok
£291 Return, found 5 hours ago
£291
Return
found 5 hours ago
Select China Southern Airlines flight, departing Thu, 26 Nov from Seoul to Bangkok, returning Mon, 30 Nov, priced at £291 found 5 hours ago

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city centre is 23 minutes. Flights from £214
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city centre23 min
Flights from £214

Find the cheapest month to fly from Seoul (ICN) to Bangkok (BKK)

September is typically the cheapest month to fly

From £126 - £236 per traveller.

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) cost?
You can find cheap one-way flights from £82 and cheap return flights from £193 ICN to BKK with Expedia. One-way flights typically cost between £168 and £596, and return flights often range between £255 and £967. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when ICN to BKK ticket fares go up or down.
What is the cheapest month to fly from Seoul (ICN) to Bangkok (BKK)?
The cheapest months to fly from Seoul (ICN) to Bangkok (BKK) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seoul (ICN) to Bangkok (BKK)?
Enter ICN to BKK and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
T'Way Air is one of the cheapest airlines offering nonstop return flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), with tickets starting from around £130 for flights that can be booked for departure within the next year. T'Way Air also offers one of the cheapest connecting return flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) starting from around £230. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The best airline to fly with from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) will differ from traveler to traveler. If you like to fly early, Thai Airways International offers early morning flights. If price is the most important factor, Asiana Airlines typically offers the lowest fares. China Eastern Airlines offers the most daily flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seoul (ICN) to Bangkok (BKK)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You'll find around 15 nonstop flights per day from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.). For even more choices, look at flights that include layovers, as there are approximately 73 connecting flights per day. Some common connection points include Hong Kong Intl., Changi, and Taoyuan Intl.
What is the earliest flight from Seoul (ICN) to Bangkok (BKK)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Seoul (ICN) to Bangkok (BKK). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You'll generally find the most flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) on a Thursday, with around 57 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Korean Air, China Eastern Airlines, and Cathay Pacific. Flight schedules are quite consistent throughout the week, so you'll have plenty of choices no matter which day you choose to fly.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) are in the morning, from 9am to 12pm. Many major carriers, including Thai Airways International, Korean Air and Vietnam Airlines, offer flights during this window. This timing works well for many travellers as it allows for a morning departure and an afternoon arrival, giving you time to settle in and start exploring Bangkok.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Flying nonstop from ICN to BKK takes around 6 hours 20 minutes, with the route covering approximately 3,666 kilometers. Flights with a layover typically take 5 hours 10 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You can fly business class between ICN and BKK. Airlines that offer business class service on this route include:
  • Korean Air
  • Thai Airways International
  • China Eastern Airlines
  • Shanghai Airlines
  • Malaysia Airlines
  • Hong Kong Airlines
  • Cathay Pacific
  • Air Macau Company
  • Singapore Airlines
  • Vietnam Airlines
  • Xiamen Airlines
  • China Southern Airlines
  • Garuda Indonesia
  • Shenzhen Airlines
  • Asiana Airlines
  • Lao Airlines
  • EVA Airways
  • Philippine Airlines
  • T'way Air with baggage
  • Air China
  • Royal Brunei Airlines
  • T'Way Air
  • China Airlines
  • Hainan Airlines
  • Shandong Airlines
How do I earn miles on a Seoul (ICN) to Bangkok (BKK) flight with Expedia?
It's easy to earn miles on a Seoul (ICN) to Bangkok (BKK) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Seoul (ICN) to Bangkok (BKK) at the last minute?
Typically, booking a last minute flight from Seoul (ICN) to Bangkok (BKK) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN) to Bangkok (BKK) flight and hotel package?
Securing a Seoul (ICN) to Bangkok (BKK) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
If you booked your Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air China, Air Macau Company, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, HK Express, Hahn Air Systems, Hong Kong Airlines, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Singapore Airlines, T'way Air, Thai Airways International, Vietjet Air, Vietnam Airlines
Return price
£193
Distance
3644 km
Average flight time
3 hours 48 mins

Book with confidence

Compare flights from Seoul to Bangkok easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seoul to Bangkok. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Suvarnabhumi Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Incheon Intl. to Suvarnabhumi Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Incheon Intl. (ICN) to Suvarnabhumi Intl. (BKK)

The easiest way to view the best deals on flights from Seoul to Bangkok today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Incheon Intl. to Suvarnabhumi Intl. start at just £193 and range up to £291.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seoul and Bangkok
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seoul to Bangkok flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Incheon Intl. to Suvarnabhumi Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Seoul to Bangkok easily and book with confidence

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