$76 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 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Bangkok (ICN-BKK)

Prices were available within the past 7 days and start at $76 for one-way flights and $151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Air Premia
Vietnam Airlines
Jeju Air
Scoot
Xiamen Airlines
Shenzhen Airlines
Philippine Airlines
China Southern Airlines
Asiana Airlines

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK) cost?
You can land cheap return tickets from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK) starting at $151. Snag a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Premia flight leaving ICN on May 15 2025 and touching down at BKK. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from ICN to BKK?
The cheapest flights from ICN to BKK are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
When jetting out of Incheon Intl. Airport (ICN), 9 carriers can take you directly to Suvarnabhumi Intl. Airport (BKK) without stopovers, including:

  • Korean Air
  • Thai Airways International
  • Asiana Airlines
  • Jeju Air
  • Jin Air

What is the cheapest airline that flies from ICN to BKK?
Currently, the cheapest airline offering one-way flights from ICN to BKK is Air Premia. You can book a seat on this route from $76. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ICN on May 31 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
Every day on average, 15 nonstop flights take off from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK). Choose the departure date that best fits your schedule.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
More people fly between ICN and BKK at 5 PM than at any other time. Looking for a quieter experience? Travel outside of rush hours and you could save on your ticket as well.
What day of the week has the most flights from ICN to BKK?
If you depart on a Sunday, you’ll get the largest range of options for flights from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK).
What is the earliest flight from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
The first flight of the day out of Incheon Intl. Airport (ICN) is at around 9:15AM UTC+9. Hop on this flight and you’ll touch down at Suvarnabhumi Intl. Airport (BKK) at approximately 1:15PM UTC+7. The total flight duration is 6h.
How long does it take to fly from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
The average flight time from ICN to BKK is 6 hours and 6 minutes, covering a distance of 2,300 mi.
What airline has the least delays from ICN to BKK?
Kenya Airways has the best track record for on-time direct flights from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK), with an on-time score of 100%. Use the Expedia App to check your flight status before you take off and get immediate updates about any changes.
What is the best time to fly from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Bangkok from Incheon Intl. Airport (ICN)?
Hop on a direct flight from Incheon Intl. Airport (ICN) to Bangkok and touch down at Suvarnabhumi Intl. Airport (BKK). Another convenient gateway to the city is Don Mueang Intl. Airport (DMK).
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Holding off until just before your departure to book a flight from ICN to BKK often results in higher prices. While it’s possible to find some last-minute discounts, they’re not always guaranteed. Keep your travel schedule open to boost your chances of snagging a bargain.
Is it cheaper to book an ICN to BKK flight and hotel package?
You’ll typically save money by securing an ICN to BKK flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. After choosing your preferred accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Suvarnabhumi Intl. Airport (BKK)?
It’s usually possible to cancel or reschedule your ICN to BKK flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more information on our Customer Service portal.
*Available to One Key members.