Cheap Flights Bangkok – Seoul from £90

Flight FAQs

• Which airlines offer the cheapest flights from Bangkok (BKK) to Seoul (SEL)?

  Based on Trip.com data, Thai Vietjet Air offers one-way fares as low as £90 on Cheapest nonstop routes (e.g. BKK to ICN on Fri, Apr 17), while Shandong Airlines offers Cheapest nonstop round-trips from £157 departing on Fri, Apr 24 and returning on Sun, Apr 26.

• Which airlines offer direct flights from Bangkok to Seoul?

  At the moment, you can catch a direct flight from Bangkok to Seoul with the following airlines, including: Thai AirAsia X Thai Vietjet Air Thai Airways Air Premia Eastar Jet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from Bangkok (BKK) to Seoul (SEL)?

  It takes about 5 hours 32 minutes to fly from Bangkok (BKK) to Seoul (SEL).

• When is the best time to book flights from Bangkok to Seoul?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Bangkok to Seoul?

  Based on Trip.com data in the past 4 weeks, there is 51 flight per week flying from Bangkok to Seoul. You can check the weekly schedule for popular airlines on this route below: T'Way Air: S/M/T/W/T/F/S -- TW102 (01:55) Korean Air: S/M/T/W/T/F/S -- KE658 (21:42) Korean Air: S/M/T/W/T/F/S -- KE652 (23:33)

• How can I find the best deals on flights from Bangkok to Seoul?

  To find best deals on flights from Bangkok to Seoul, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Apr 17, with one-way flights priced at just £90.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai Vietjet Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Seoul travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Bangkok to Seoul to get the best price?

  The cheapest months to fly from Bangkok to Seoul is October, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Bangkok to Seoul?

  After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Bangkok to Seoul on March 17, 2026 with Thai AirAsia X, with prices starting at £65.

• Which airports can I fly through when travelling to Seoul from Bangkok?

  You can land at any one of the following hubs in Seoul, with Suvarnabhumi Airport to Incheon International Airport (BKK-ICN) is by far the most common option on this route: Gimpo International Airport (GMP) Incheon International Airport (ICN).

• What is the time difference between Bangkok and Seoul?

  The time difference between Seoul and Bangkok is 2h.

• How can I change or cancel my flight ticket from Bangkok to Seoul?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.