Cheap flights from Seoul to Bangkok

Seoul
SEL
Suvarnabhumi
BKK

Flight deals from Seoul to Bangkok

Below you can see the best deals on flights Seoul — Bangkok for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 17 August, from $87.

Top 10 cheap flights from Seoul to Bangkok

7C
$ 87

Seoul — Bangkok

20:05—00:10
31 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
26 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
18 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
17 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
23 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
20 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
21 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
27 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
22 Aug 2026
6 h 5 m
Direct flight
7C
$ 87

Seoul — Bangkok

20:05—00:10
29 Aug 2026
6 h 5 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

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

The price of a flight from Seoul to Bangkok changes depending on how far ahead you book. For the best chance of a lower fare, book around 27 days before departure, when the average ticket costs about $590. Fares also tend to climb as the departure date gets closer.

About the Seoul — Bangkok flight

Looking for cheap flights from Seoul to Bangkok? Compare fares from different airlines, check the flight schedule and travel time — and book your Seoul — Bangkok ticket online at the best price.

The route has direct flights — around 348 flights per week, flights are operated by Asiana Airlines, Korean Air, Thai Airways, Eastar Jet and 8 more airlines, a nonstop flight takes about 5 h 35 min, the distance between the cities is around 3,719 km.

Planning your trip? You may find our Bangkok travel guide, how to get from the airport into town and Bangkok weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $87Min. price
AugustCheapest
JulyPeak season
YesDirect flights
3,719 kmDistance
5 h 35 minTravel time
25Airlines
348 / wkFlights

Flight schedule from Seoul to Bangkok

The table shows direct flights from Seoul to Bangkok on the selected date. The flight takes approximately 5 h 35 min. Regular flights are operated by Asiana Airlines, Korean Air, Thai Airways and Eastar Jet. Departures from Incheon International Airport and Gimpo International Airport airports, arrivals at Suvarnabhumi Airport and Don Mueang International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: Seoul — Bangkok

Below is a calendar of the lowest flight ticket prices for Seoul — Bangkok by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $87 in August, and the most expensive are around $192 in July. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Seoul to Bangkok by month. Tickets are usually cheapest in September (around $157) and priciest in January (about $254) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$254highMay$181lowSep$157low
Feb$242highJun$169lowOct$193medium
Mar$218mediumJul$205mediumNov$242high
Apr$230highAug$230highDec$254high

Some values are estimated based on seasonality.

When to fly

Weather in Bangkok: it is warmest in April (up to 35 °C on average) and coolest in December (around 31 °C). The driest month is December.

Tickets are usually cheapest in August and most expensive in July. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Bangkok

Dry and wet days · Bangkok

Wind speed and direction · Bangkok

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How to get the best deal on a Seoul — Bangkok ticket

  • Book ahead: fares for Seoul — Bangkok are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Seoul is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Bangkok is usually August — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Seoul — Bangkok route are operated by 12 airlines; Asiana Airlines runs the most flights (around 18% of all flights). Compare carriers, flight shares and schedules below.

  • Asiana AirlinesOZ
    21x/week
    WebsiteFleet: 6916M pax/year
    • Direct flight ICN → BKK21x/week
      Duration
      5h 40m
      Days
      MTWTFSS
    18.4%Open →
  • Korean AirKE
    19x/week
    WebsiteFleet: 16025M pax/year
    • Direct flight ICN → BKK19x/week
      Duration
      5h 45m
      Days
      MTWTFSS
    16.1%Open →
  • Thai AirwaysTG
    15x/week
    WebsiteFleet: 7715M pax/year
    • Direct flight ICN → BKK15x/week
      Duration
      5h 44m
      Days
      MTWTFSS
    12.6%Open →
  • Eastar JetZE
    7x/week
    WebsiteFleet: 154.4M pax/year
    • Direct flight ICN → BKK7x/week
    6.0%Open →
  • Air BusanBX
    7x/week
    WebsiteFleet: 225.8M pax/year
    • Direct flight ICN → BKK7x/week
    6.0%Open →
  • Jin AirLJ
    7x/week
    WebsiteFleet: 3111M pax/year
    • Direct flight ICN → BKK7x/week
    6.0%Open →
  • Jeju Air7C
    5x/week
    WebsiteFleet: 4213.4M pax/year
    • Direct flight ICN → BKK5x/week
    4.0%Open →
  • Thai AirAsiaFD
    5x/week
    WebsiteFleet: 5618.9M pax/year
    • Direct flight ICN → DMK5x/week
      Duration
      5h 45m
      Days
      MTWTFSS
    4.0%Open →
  • T'way AirTW
    5x/week
    WebsiteFleet: 3810M pax/year
    • Direct flight ICN → BKK5x/week
      Duration
      6h 5m
      Days
      MTWTFSS
    4.0%Open →
  • Thai Vietjet AirVZ
    5x/week
    WebsiteFleet: 186.2M pax/year
    • Direct flight ICN → BKK5x/week
      Duration
      5h 50m
      Days
      MTWTFSS
    4.0%Open →
  • Thai AirAsia XXJ
    5x/week
    WebsiteFleet: 101.6M pax/year
    • Direct flight ICN → DMK5x/week
      Duration
      6h 10m
      Days
      MTWTFSS
    4.0%Open →
  • Hawaiian AirlinesHA
    4x/week
    WebsiteFleet: 7511M pax/year
    • Direct flight ICN → BKK4x/week
    3.7%

Cities and airports on the Seoul — Bangkok route

Flights Seoul — Bangkok depart from Incheon International Airport and Gimpo International Airport and arrive at Suvarnabhumi Airport and Don Mueang International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seoul

SEL
Korea, Republic Of
About the cityHow to get thereWeatherAll about the country Korea, Republic Of
Arrival

Bangkok

BKK
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Departure airports
Arrival airports

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Frequently asked questions about the Seoul — Bangkok flight

How long is the flight from Seoul to Bangkok?

A nonstop Seoul — Bangkok flight takes about 5 h 35 min — the distance between the cities is around 3,719 km.

How far is it from Seoul to Bangkok?

The distance from Seoul to Bangkok is about 3,719 km, which a nonstop flight covers in around 5 h 35 min.

Are there direct flights from Seoul to Bangkok?

Yes, there are nonstop flights Seoul — Bangkok — around 348 flights per week.

Which airlines fly from Seoul to Bangkok?

Airlines operating Seoul — Bangkok include Asiana Airlines, Korean Air, Thai Airways, Eastar Jet, Air Busan. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seoul — Bangkok flights use?

Flights from Seoul depart from Incheon International Airport, Gimpo International Airport, and arrive at Suvarnabhumi Airport, Don Mueang International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seoul to Bangkok?

The price of a Seoul — Bangkok ticket depends on your travel date, season and demand: it is usually cheapest to fly in August, and most expensive in July. Tickets typically cost between $87 and $192. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seoul — Bangkok?

Flights Seoul — Bangkok are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is August. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seoul to Bangkok?

To catch a low fare Seoul — Bangkok, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually August.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Seoul

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Jeju CityTokyoOsakaShanghaiBusanHong KongFukuokaQingdaoTaipeiBeijingDa NangHo Chi Minh CitySingaporeHanoiNagoyaNha TrangUlaanbaatarManilaLos AngelesSapporoCebu CityPhu QuocKuala LumpurDenpasarOkinawaHagatnaGuangzhouDalianYanjiJakartaSeattleNew York CityShenzhenMacauYantaiTashkentSan FranciscoShenyangParisKaohsiung

Where else you can fly from Bangkok

See all
PhuketChiang MaiKoh SamuiSingaporeHong KongKuala LumpurHat YaiKrabiShanghaiTokyoTaipeiHo Chi Minh CityChiang RaiUdon ThaniGuangzhouHanoiSurat ThaniKhon KaenJakartaYangonManilaMumbaiShenzhenDelhiAbu DhabiChengduUbon RatchathaniNakhon Si ThammaratBeijingIstanbulDohaOsakaDa NangSiem ReapKunmingKolkataMacauVientianeDenpasarBengaluru

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