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Low Price Flights from Seoul to Bangkok

Find Cheapest Airlines Flying from Seoul to Bangkok

Choose from 14 carriers that fly from Seoul to Bangkok, including Thai Vietjet Air, Thai AirAsia X, and Air Premia. Enjoy the cheapest tickets on this route with Jeju Air.
Thai Vietjet Air logo Thai Vietjet Air
Thai AirAsia X logo Thai AirAsia X
Air Premia logo Air Premia
Korean Air logo Korean Air
T'Way Air logo T'Way Air
Jeju Air logo Jeju Air
Thai Airways logo Thai Airways
Asiana Airlines logo Asiana Airlines
Thai Lion Air logo Thai Lion Air
Vietnam Airlines logo Vietnam Airlines
Air China logo Air China
Air Busan logo Air Busan
China Eastern Airlines logo China Eastern Airlines
Eastar Jet logo Eastar Jet
Airlines are determined based on actual purchased flight tickets from Seoul to Bangkok according to previous 12 months data from Trip.com.

Explore the cheapest flights from Seoul to Bangkok in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 76, and round-trip direct tickets start at AU$ 231.

Displayed flight fares from Seoul to Bangkok are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Seoul to Bangkok Flight Details

The distance between Seoul and Bangkok is approximately 3,717.66km. It takes around 6 hours 26 minutes on average to fly from Seoul to Bangkok. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceAU$ 76
Cheapest return ticket priceAU$ 222
Off-season for travelOctober
Peak season for travelJuly
Flight distance3,717.66km
Average flight time6 hours 26 minutes
Popular airlineThai Vietjet Air
Flight statistics for the Seoul–Bangkok route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Seoul to Bangkok

What is the cheapest month for one-way flights from Seoul to Bangkok?

Average price of one-way flights from Seoul to Bangkok purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from Seoul to Bangkok is October, with an average price of AU$ 55. Conversely, the most expensive month is typically December, with an average price of up to AU$ 88.

AU$ 88
AU$ 72
AU$ 55
AU$ 39
    Cheapest
  • AU$ 72
    Mar
  • AU$ 70
    Apr
  • AU$ 61
    May
  • AU$ 71
    Jun
  • AU$ 74
    Jul
  • AU$ 72
    Aug
  • AU$ 61
    Sep
  • AU$ 55
    Oct
  • AU$ 66
    Nov
  • AU$ 88
    Dec
  • AU$ 78
    Jan
  • AU$ 56
    Feb

What is the cheapest month for round-trip flights from Seoul to Bangkok?

Average price of round-trip flights from Seoul to Bangkok purchased by Trip.com users by month over the past 12 months.

According to historical data from Trip.com, the lowest prices for flights from Seoul to Bangkok are found during September, with an average price of AU$ 175. Conversely, the highest prices are found during March, with an average price of up to AU$ 249.

AU$ 249
AU$ 212
AU$ 175
AU$ 138
    Cheapest
  • AU$ 249
    Mar
  • AU$ 233
    Apr
  • AU$ 212
    May
  • AU$ 208
    Jun
  • AU$ 196
    Jul
  • AU$ 190
    Aug
  • AU$ 175
    Sep
  • AU$ 187
    Oct
  • AU$ 192
    Nov
  • AU$ 215
    Dec
  • AU$ 241
    Jan
  • AU$ 229
    Feb

What's the cheapest day to fly from Seoul to Bangkok?

Data is based on the average flight price for each day of the week from Seoul to Bangkok on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Seoul to Bangkok is Monday, with average prices lower than on other days. Avoid Friday, as prices are usually highest then.

AU$ 254
AU$ 236
AU$ 217
AU$ 199
  • AU$ 217
    Mon
  • AU$ 218
    Tue
  • AU$ 229
    Wed
  • AU$ 240
    Thu
  • AU$ 254
    Fri
  • AU$ 244
    Sat
  • AU$ 225
    Sun

When is the cheapest day to fly from Seoul to Bangkok during Good Friday?

Data is based on the lowest one-way fares from Seoul to Bangkok during Good Friday, sourced from the Trip.com database over the last 3 days.

During Good Friday, the cheapest flights from Seoul to Bangkok are on Apr 5, with the lowest fare of AU$ 122.

AU$ 298
AU$ 210
AU$ 122
AU$ 34
    Cheapest
  • AU$ 155
    Mar 31
  • AU$ 139
    Apr 1
  • AU$ 298
    Apr 2
  • AU$ 179
    Apr 3
  • AU$ 149
    Apr 4
  • AU$ 122
    Apr 5

Flight FAQs

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

    Based on Trip.com data, Jeju Air offers one-way fares as low as AU$ 76 on Cheapest nonstop routes (e.g. ICN to BKK on Sat, Mar 7), while Vietnam Airlines offers Cheapest nonstop round-trips from AU$ 222 departing on Fri, Apr 24 and returning on Tue, Apr 28.
  • At the moment, you can catch a direct flight from Seoul to Bangkok with the following airlines, including: Thai Vietjet Air Air Premia Jeju Air Thai AirAsia X Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 6 hours 26 minutes to fly from Seoul (SEL) to Bangkok (BKK).
  • 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.
  • Based on Trip.com data in the past 4 weeks, there is 50 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 -- TG653 (17:08) Air Busan: S/M/T/W/T/F/S -- BX727 (17:03)
  • 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 Sat, Mar 7, with one-way flights priced at just AU$ 76.
    · 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.
  • The cheapest months to fly from Seoul to Bangkok is October, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Seoul to Bangkok on March 6, 2026 with Jeju Air, with prices starting at AU$ 59.
  • You can land at any one of the following hubs in Bangkok, with Incheon International Airport to Suvarnabhumi Airport (ICN-BKK) is by far the most common option on this route: Suvarnabhumi Airport (BKK) Don Mueang International Airport (DMK).
  • The time difference between Bangkok and Seoul is 2h.
  • 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.

Trip.com Airline Insights on Flights from Seoul toBangkok

Which airlines offer the cheapest nonstop flights from Seoul to Bangkok?

Data is based on the average price of all nonstop flights from Seoul to Bangkok on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, T'Way Air offers the cheapest nonstop flights from Seoul to Bangkok, with an average price of AU$ 224.

AU$ 149
AU$ 224
AU$ 299
AU$ 374
AU$ 449
T'Way Air
AU$ 224
T'Way Air
Air Premia
AU$ 259
Air Premia
Thai AirAsia X
AU$ 260
Thai AirAsia X
Eastar Jet
AU$ 267
Eastar Jet
Air Busan
AU$ 290
Air Busan
Thai Airways
AU$ 449
Thai Airways

Which airlines operate the most flights from Seoul to Bangkok?

Data is based on the number of flights from Seoul to Bangkok operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Korean Air operates the most flights from Seoul to Bangkok, with 46 flight per week.

6
19
33
46
Korean Air
46
Korean Air
Delta Air Lines
38
Delta Air Lines
Asiana Airlines
34
Asiana Airlines
Thai Airways
34
Thai Airways
WestJet
23
WestJet
Turkish Airlines
19
Turkish Airlines

How many flights are there each day from Seoul to Bangkok?

The data is based on the flight numbers for each day of the week from Seoul to Bangkok within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Seoul to Bangkok depart on Saturday, and the fewest flights depart on Monday.

243
215
186
158
Highest
186
Mon
190
Tue
190
Wed
187
Thu
232
Fri
243
Sat
226
Sun