Cheap Flights from Seoul to Bangkok from $91

Frequently Asked Questions

• What are the cheapest flights from Seoul to Bangkok (SEL-BKK)?

  Based on Trip.com data, Jeju Air offers one-way fares as low as $91 on Cheapest nonstop routes (e.g. ICN to BKK on Mon, Sep 28), while Jeju Air offers Cheapest nonstop round-trips from $208 departing on Tue, Sep 29 and returning on Thu, Oct 1.

• Which airlines offer direct flights from Seoul to Bangkok?

  At the moment, you can catch a nonstop flight from Seoul to Bangkok with the following airlines, including: Thai Airways Trinity Airways Thai Vietjet Air Asiana Airlines Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Seoul (SEL) to Bangkok (BKK) and what is the distance?

  It takes around 5 hours 51 minutes to fly from Seoul (SEL) to Bangkok (BKK).

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Bangkok 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 Seoul to Bangkok?

  Based on Trip.com data in the past 4 weeks, there is 84 flight per week flying from Seoul to Bangkok. You can check the weekly schedule for popular airlines on this route below: Thai Airways: S/M/T/W/T/F/S -- TG659 (09:48) Hahn Air Systems: S/M/T/W/T/F/S -- H19984 (20:32)

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

  To find best deals on flights from Seoul to Bangkok, 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 Mon, Sep 28, with one-way flights priced at just $91.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jeju 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 Bangkok travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Seoul (SEL) to Bangkok (BKK) the cheapest?

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

• Which upcoming date is cheapest to fly from Seoul to Bangkok on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seoul to Bangkok on September 14, 2026 with Trinity Airways, with prices starting at $162.

• Which airports can I fly into Bangkok from Seoul?

  You can arrive at any of the following airports in Bangkok: Suvarnabhumi Airport (BKK), and Don Mueang International Airport (DMK). Flights from Incheon International Airport to Suvarnabhumi Airport (ICN-BKK) are by far the most popular option for this route.

• Is there any time difference between Seoul and Bangkok?

  The time difference between Bangkok and Seoul is 2h.

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

  Tickets can only be changed or canceled 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.

• What is the average cost of a one-way flight from Seoul to Bangkok?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seoul to Bangkok is $236. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Seoul to Bangkok?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seoul to Bangkok is $360. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Seoul to Bangkok on Trip.com?

  Enter Seoul and Bangkok, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Seoul to Bangkok route?

  Trinity Airways, Thai Vietjet Air and Jeju Airare the most popular budget airlines flying from Seoul to Bangkok. Check baggage, seat and payment fees before comparing the final price.