฿1,735 Cheap Flights from Seoul (ICN) to Bangkok (BKK)

View ฿1,735 flight on Sun, 7 Sept 2025Opens 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 ฿1,735 for one-way flights and ฿3,653 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Sun, 21 Sept - Thu, 25 Sept
ICN
Seoul
BKK
Bangkok
฿3,653 Return, found 11 hours ago
฿3,653
Return
found 11 hours ago
Select Jeju Air flight, departing Sun, 21 Sept from Seoul to Bangkok, returning Thu, 25 Sept, priced at ฿3,653 found 11 hours ago
Eastar Jet
Thu, 25 Sept - Mon, 29 Sept
ICN
Seoul
BKK
Bangkok
฿4,565 Return, found 16 hours ago
฿4,565
Return
found 16 hours ago
Select Eastar Jet flight, departing Thu, 25 Sept from Seoul to Bangkok, returning Mon, 29 Sept, priced at ฿4,565 found 16 hours ago
T'Way Air
Sun, 12 Oct - Fri, 24 Oct
ICN
Seoul
BKK
Bangkok
฿4,955 Return, found 2 days ago
฿4,955
Return
found 2 days ago
Select T'Way Air flight, departing Sun, 12 Oct from Seoul to Bangkok, returning Fri, 24 Oct, priced at ฿4,955 found 2 days ago
T'way Air with baggage
Wed, 24 Sept - Sat, 27 Sept
ICN
Seoul
BKK
Bangkok
฿4,974 Return, found 8 hours ago
฿4,974
Return
found 8 hours ago
Select T'way Air with baggage flight, departing Wed, 24 Sept from Seoul to Bangkok, returning Sat, 27 Sept, priced at ฿4,974 found 8 hours ago
JIN AIR
Thu, 11 Sept - Thu, 2 Oct
ICN
Seoul
BKK
Bangkok
฿5,265 Return, found 10 hours ago
฿5,265
Return
found 10 hours ago
Select JIN AIR flight, departing Thu, 11 Sept from Seoul to Bangkok, returning Thu, 2 Oct, priced at ฿5,265 found 10 hours ago
Jeju Air with Bag
Wed, 15 Oct - Wed, 29 Oct
ICN
Seoul
BKK
Bangkok
฿5,287 Return, just found
฿5,287
Return
just found
Select Jeju Air with Bag flight, departing Wed, 15 Oct from Seoul to Bangkok, returning Wed, 29 Oct, priced at ฿5,287 just found
Vietnam Airlines
Wed, 15 Oct - Wed, 29 Oct
ICN
Seoul
BKK
Bangkok
฿5,820 Return, just found
฿5,820
Return
just found
Select Vietnam Airlines flight, departing Wed, 15 Oct from Seoul to Bangkok, returning Wed, 29 Oct, priced at ฿5,820 just found
Air Premia
Sun, 12 Oct - Thu, 23 Oct
ICN
Seoul
BKK
Bangkok
฿6,550 Return, found 2 days ago
฿6,550
Return
found 2 days ago
Select Air Premia flight, departing Sun, 12 Oct from Seoul to Bangkok, returning Thu, 23 Oct, priced at ฿6,550 found 2 days ago
Hainan Airlines
Mon, 13 Oct - Sun, 2 Nov
ICN
Seoul
BKK
Bangkok
฿7,445 Return, found 2 days ago
฿7,445
Return
found 2 days ago
Select Hainan Airlines flight, departing Mon, 13 Oct from Seoul to Bangkok, returning Sun, 2 Nov, priced at ฿7,445 found 2 days ago
Hong Kong Airlines
Thu, 12 Mar - Wed, 18 Mar
ICN
Seoul
BKK
Bangkok
฿7,840 Return, found 2 days ago
฿7,840
Return
found 2 days ago
Select Hong Kong Airlines flight, departing Thu, 12 Mar from Seoul to Bangkok, returning Wed, 18 Mar, priced at ฿7,840 found 2 days ago

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

September is typically the cheapest month to fly

From ฿4,471 - ฿10,257 per traveller.
Flight from Seoul to Bangkok route 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, Eastar Jet, Hong Kong Airlines, JIN AIR, Japan Airlines, Jeju Air with Bag, Korean Air, Malaysia Airlines, Scoot, Shenzhen Airlines, T'way Air with baggage, Thai Airways International, Vietnam Airlines
Return price
฿3,653
Distance
3644 km
Average flight time
3 hours 46 mins

Perfect flights from Seoul to Bangkok

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seoul to Bangkok. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Bangkok, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Incheon Intl. to Suvarnabhumi Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿1,735 and roundtrip prices from ฿3,653. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Suvarnabhumi Intl. and explore Bangkok and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your ICN to BKK travel arrangements today and embark on the journey of a lifetime in Bangkok.

Frequently asked questions

How much is a flight from Incheon Intl. Airport (ICN) to Suvarnabhumi Airport?
If you're travelling from ICN to Suvarnabhumi Airport, round-trip journeys start from ฿3,653. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Airport to Suvarnabhumi Airport?
Most flights can be cancelled online, but every airline has a different set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Incheon Intl. Airport (ICN) to BKK that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Incheon Intl. Airport (ICN) to Suvarnabhumi Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
Around 3,700 kilometres separates South Korea and Bang Phli, so pack something to keep you occupied for a couple of hours. That thrilling novel you haven't had time to start will be just the ticket.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Bangkok Airport?
You'll have your pick of a great range of airlines that fly from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK). The most sought-after ones are:

  • Korean Air - (KE) with 121 monthly flights
  • Thai Airways International - (TG) with 91 monthly flights
  • Jeju Air - (7C) with 60 monthly flights
  • Thai AirAsia X - (XJ) with 43 monthly flights
  • Jin Air - (LJ) with 30 monthly flights
  • TWay Air - (TW) with 30 monthly flights

Are ICN to Bangkok Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Seoul–Incheon Intl. Airport to Suvarnabhumi Airport can be hit-or-miss. You may be able to score a bargain, but then again, you could miss out altogether! If you'd prefer to play it safe and start planning early, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines publish their prices that far in advance. Our top tip? Check back often as prices are updated frequently.

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*Available to Expedia members.