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

  • Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia X
China Eastern Airlines
Air China
China Southern Airlines
Philippine Airlines
Jeju Air
Cathay Pacific
T'way Air with baggage
Vietnam Airlines
Jeju Air with Bag
Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.
Flight from Seoul to Bangkok route information
Origin airport
Incheon Intl.
Destination airport
Don Mueang Intl.
Airlines serving
Air China, Air Macau Company, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Greater Bay Airlines, Hahn Air Systems, Jeju Air, Jeju Air with Bag, Korean Air, Malaysia Airlines, Philippine Airlines, Scoot, Singapore Airlines, T'way Air with baggage, Thai Airways International, Vietjet Air, Vietnam Airlines, Xiamen Airlines
Return price
AU$282
Distance
3635 km

Your quick guide to flights from Seoul to Bangkok

Pick up great flights from Seoul to Bangkok

With Expedia, you have your pick of 38 flights a day with 20 airlines covering flights from Seoul to Bangkok. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seoul to Bangkok that take around 1 hours.

Find cheap flights from Seoul to Bangkok

From the great flight deals with prices currently ranging from AU$283 to AU$445, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seoul to Bangkok around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Bangkok is normally in November.

Reasons to book your flight from Seoul to Bangkok with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seoul to Bangkok across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Bangkok right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$283. 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.
Bangkok Flight Deals
Seoul Airports

Seoul

*Available to Expedia members.