Skyline view of Bangkok highlighting traditional Thai architecture amidst modern buildings. — flights from Seoul to Bangkok
Seoul, South KoreaBangkok, Thailand

Flights from Seoul to Bangkok

Nonstop flights from Seoul (ICN) to Bangkok (BKK) take about 5h 5m (3,669 km). Thai Vietjet Air, Jeju Air and T'way Air fly it. Lowest fare seen: $122 one-way, nonstop (12 Oct 2026).

All flights from Seoul →All flights to Bangkok →

Photo of Bangkok: Zaonar Saizainalin on Pexels.

When you land in Bangkok

The airport transfer and the few things worth sorting before you fly.

Find hotels in Bangkok

Hotels, hostels & more · Trip.com

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Airlines flying Seoul to Bangkok

Carriers on ICN–BKK according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Thai Vietjet Airnonstop fare seen✈ Jeju Airnonstop fare seen✈ T'way Airnonstop fare seen✈ Eastar Jetnonstop fare seen✈ THAI Airwaysnonstop fare seen

Seoul to Bangkok fares by month

Cheapest month seen for a nonstop flight: Mar 2027, from $116 one-way. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$15228 Oct 2026 · Jeju Air—
Nov 2026$15128 Nov 2026 · Trinity Airways$142 · 1 stop4 Nov 2026
Dec 2026$17111 Dec 2026 · Trinity Airways$153 · 1 stop11 Dec 2026
Jan 2027$19124 Jan 2027 · Thai Vietjet Air$188 · 1 stop28 Jan 2027
Feb 2027$16622 Feb 2027 · Jin Air—
Mar 2027$11610 Mar 2027 · Thai Vietjet Air—
Apr 2027$1229 Apr 2027 · Thai Vietjet Air—
May 2027$13623 May 2027 · Thai Vietjet Air—
Jun 2027$13230 Jun 2027 · Thai Vietjet Air—
Jul 2027$1331 Jul 2027 · Thai Vietjet Air—

When to go for the lowest fare

Later departures were cheaper: from $116 in March 2027, against $142 for November 2026.

Nonstop or with a stop

A connection undercut nonstop in 3 of 3 months with both fares.

From Travelpayouts flight-search data, city to city (Seoul to Bangkok, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Bangkok

Based on weather and travel conditions in Thailand

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best monthsGoodAvoid if possible

The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Peak season: November – February

More for this trip

Frequently asked questions — Seoul to Bangkok flights

How long is the flight from Seoul to Bangkok?
A nonstop flight from Seoul (ICN) to Bangkok (BKK) takes about 5h 5m, covering 3,669 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Seoul from Bangkok by air?
The great-circle distance between Incheon International Airport and Suvarnabhumi Airport is 3,669 km (2,280 miles), a long-haul route.
Which airlines fly from Seoul to Bangkok?
Airlines with flights or nonstop fares on the ICN–BKK route include Thai Vietjet Air, Jeju Air, T'way Air, Eastar Jet and THAI Airways. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Seoul to Bangkok cost?
The lowest one-way fare seen recently on ICN–BKK was $122 USD with Thai Vietjet Air (nonstop), departing 1 Jul 2027, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from Seoul to Bangkok?
In fares seen on 22 Oct 2026, departures in March 2027 were cheapest, from $116 one-way, against $188 for January 2027, the dearest month. Fares change daily, so check your own dates.
Do I need a visa to travel from South Korea to Thailand?
It depends on your passport. Some nationalities can enter Thailand visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Bangkok?
The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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