£100 Cheap Flights from Seoul (ICN) to Bangkok (BKK)

View £100 flight on Sun, 3 May 2026Opens in a new window

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 £100 for one-way flights and £238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Wed, 20 May - Thu, 4 Jun
ICN
Seoul
BKK
Bangkok
£238 Return, found 2 days ago
£238
Return
found 2 days ago
Select T'Way Air flight, departing Wed, 20 May from Seoul to Bangkok, returning Thu, 4 Jun, priced at £238 found 2 days ago
China Eastern Airlines
Sat, 16 May - Sat, 30 May
ICN
Seoul
BKK
Bangkok
£241 Return, found 6 hours ago
£241
Return
found 6 hours ago
Select China Eastern Airlines flight, departing Sat, 16 May from Seoul to Bangkok, returning Sat, 30 May, priced at £241 found 6 hours ago
Xiamen Airlines
Thu, 11 Jun - Sun, 14 Jun
ICN
Seoul
BKK
Bangkok
£243 Return, found 1 day ago
£243
Return
found 1 day ago
Select Xiamen Airlines flight, departing Thu, 11 Jun from Seoul to Bangkok, returning Sun, 14 Jun, priced at £243 found 1 day ago
Royal Brunei Airlines
Wed, 21 Oct - Sun, 25 Oct
ICN
Seoul
BKK
Bangkok
£272 Return, found 12 hours ago
£272
Return
found 12 hours ago
Select Royal Brunei Airlines flight, departing Wed, 21 Oct from Seoul to Bangkok, returning Sun, 25 Oct, priced at £272 found 12 hours ago
Asiana Airlines
Wed, 10 Jun - Wed, 17 Jun
ICN
Seoul
BKK
Bangkok
£275 Return, found 3 days ago
£275
Return
found 3 days ago
Select Asiana Airlines flight, departing Wed, 10 Jun from Seoul to Bangkok, returning Wed, 17 Jun, priced at £275 found 3 days ago
Scoot
Sun, 16 Aug - Sat, 22 Aug
ICN
Seoul
BKK
Bangkok
£276 Return, found 4 days ago
£276
Return
found 4 days ago
Select Scoot flight, departing Sun, 16 Aug from Seoul to Bangkok, returning Sat, 22 Aug, priced at £276 found 4 days ago
Korean Air
Sun, 7 Jun - Tue, 16 Jun
ICN
Seoul
BKK
Bangkok
£284 Return, found 9 hours ago
£284
Return
found 9 hours ago
Select Korean Air flight, departing Sun, 7 Jun from Seoul to Bangkok, returning Tue, 16 Jun, priced at £284 found 9 hours ago
Thai Vietjet
Wed, 8 Jul - Sat, 11 Jul
ICN
Seoul
BKK
Bangkok
£286 Return, found 1 day ago
£286
Return
found 1 day ago
Select Thai Vietjet flight, departing Wed, 8 Jul from Seoul to Bangkok, returning Sat, 11 Jul, priced at £286 found 1 day ago
Vietnam Airlines
Sun, 24 May - Mon, 1 Jun
ICN
Seoul
BKK
Bangkok
£290 Return, found 16 hours ago
£290
Return
found 16 hours ago
Select Vietnam Airlines flight, departing Sun, 24 May from Seoul to Bangkok, returning Mon, 1 Jun, priced at £290 found 16 hours ago
Hong Kong Airlines
Wed, 10 Jun - Sat, 13 Jun
ICN
Seoul
BKK
Bangkok
£290 Return, found 1 day ago
£290
Return
found 1 day ago
Select Hong Kong Airlines flight, departing Wed, 10 Jun from Seoul to Bangkok, returning Sat, 13 Jun, priced at £290 found 1 day 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 £258
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city centre23 min
Flights from £258

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

September is typically the cheapest month to fly

From £134 - £238 per traveller.

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) cost?
One-way flights typically cost between £102 and £633 and return flights often range between £254 and £968. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
September is typically the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), with average return fares of approximately £236. This is about 16% lower than the average price throughout the year. September often sees lower prices as it falls outside of peak holiday seasons, leading to reduced demand and more competitive airline pricing. Other cheap months to fly from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) include March and June.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Enter ICN to BKK and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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 traveller to traveller. If you like to fly early, OZ offers early morning flights. If price is the most important factor, VZ typically offers the lowest fares. MU offers the most daily flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), which is brilliant 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-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
When planning your trip from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), you'll find that September and March are typically the cheapest months to fly, with average return fares around £236. However, the most popular months for this route are January and November, which means you'll have plenty of flight options and schedules to choose from during those times. While there isn't a single month that is both the cheapest and most popular, you can balance your priorities by considering the lower fares in September or March, or the greater flexibility and choice in January or November.
How many flights per day from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
There are approximately 15 nonstop flights per day from Seoul (ICN-Incheon Intl.) (ICN) to Bangkok (BKK-Suvarnabhumi Intl.) (BKK). For even more choice, look at flights that include layovers, as there are around 93 connecting flights per day. Some common connection points include Hong Kong Intl. (HKG), Taoyuan Intl. (TPE), and Changi (SIN).
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The earliest flight from Seoul Incheon Intl. (ICN) to Bangkok Suvarnabhumi Intl. (BKK) typically departs at approximately 12:10 AM local time, operated by MH. This service operates year-round. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select 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 typically find the most flights from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) on a Saturday, with around 60 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Korean Air, China Eastern Airlines, and Thai Airways.
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, between 9am and 12pm. This accounts for around 36% of total traffic. Many major carriers, including Thai Airways, Vietnam Airlines and Korean Air, offer flights during this window. Many travellers prefer these times as they allow for a full day of activities before heading to the airport, and you'll arrive in Bangkok with plenty of time to settle in.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Direct flights from ICN to BKK usually take about 6 hours, traveling roughly 2,278 miles. If you opt for a connecting flight, expect to add around 7 hours to your journey. 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.)?
Select the "Business class" and "First class" filters when looking for ICN to BKK flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) 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.
What airports do you fly into for Bangkok from Incheon Intl. (ICN)?
From Incheon Intl. (ICN), you can fly into Don Mueang Intl. (DMK) and Suvarnabhumi Intl. (BKK) in Bangkok. Some flights may connect through major hubs like Taoyuan Intl. (TPE), Noi Bai Intl. (HAN), Tan Son Nhat Intl. (SGN) before reaching Bangkok. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) 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-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) 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, 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, Xiamen Airlines
Return price
£237
Distance
3644 km
Average flight time
3 hours 47 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 £238 and range up to £290.  

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 May, 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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