How to get fromSeoul to Terminal 21by train, plane or bus

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There are 5 ways to get from Seoul to Terminal 21 by train, plane, or bus

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

Train to Incheon International Airport, fly to Suvarnabhumi Airport
best
1. Take the train from Seoul Station to Incheon Int'l Airport T1
2. Fly from Incheon International Airport (ICN) to Suvarnabhumi Airport (BKK)ICN - BKK
9h 31m
฿2,531–6,697
Fly Gimpo International Airport to Suvarnabhumi Airport
1. Fly from Gimpo International Airport (GMP) to Suvarnabhumi Airport (BKK)GMP - BKK
11h 12m
฿3,772–11,141
Train to Incheon International Airport, fly to Don Mueang International Airport
1. Take the train from Seoul Station to Incheon Int'l Airport T1
2. Fly from Incheon International Airport (ICN) to Don Mueang International Airport (DMK)ICN - DMK
10h 8m
฿2,724–11,163
Train to Daegu International Airport, fly to Suvarnabhumi Airport
1. Take the train from Suseo SRT to Dongdaegu Station
2. Fly from Daegu International Airport (TAE) to Suvarnabhumi Airport (BKK)TAE - BKK
10h 27m
฿3,613–11,711
Train, bus to Busan / Gimhae International Airport, fly to Suvarnabhumi Airport
1. Take the train from Suseo SRT to Dongdaegu Station
2. Take the bus from Dongdaegu Terminal to Gimhae Int'l Airport
3. Fly from Busan / Gimhae International Airport (PUS) to Suvarnabhumi Airport (BKK)PUS - BKK
11h 37m
฿3,583–7,311

Incheon International Airport (ICN) to Suvarnabhumi Airport (BKK) flights

114Weekly Planes

6h 8mAverage Duration

฿1,736Cheapest Price

Questions & Answers

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Distance: 3,752.2 km
Duration: 9h 31m

What companies run services between Seoul, South Korea and Terminal 21, Thailand?

Air Busan, Jin Air, and five other airlines fly from Gimpo International Airport (GMP) to Suvarnabhumi Airport (BKK) every 4 hours.

Transport is disrupted due to the Russia-Ukraine war. Read more

Airlines

Train operators

Bus operators

Want to know more about travelling around the world?

Rome2Rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including Need to know: Eurostar, Want to know more about Flixbus?, and Travelling to the US: What do I need to know? - to help you get the most out of your next trip.

Bangkok(opens in a new window), Thailand(opens in a new window)

Thailand’s bustling capital is filled with historic monuments, ancient temples, great shopping and a fascinating culture. Pick up some fresh produce at the famous floating markets, explore the many wats (temples) that pepper the city, and kick back at a local cabaret show. Visit the majestic Grand Palace or the giant reclining Buddha at Wat Pho, stroll through colourful Chinatown, and explore the city’s many canals. Test your bargaining skills at Chatuchak Weekend Market, experience a traditional muay thai kickboxing match and soak up the heady energy of Khao San Road.

Things to do in Bangkok

Grand Palace(Opens in a new window)

The Grand Palace (Thai: พระบรมมหาราชวัง, ) is a complex of buildings at the heart of Bangkok, Thailand. The palace has been the official residence of the Kings of Siam (and later Thailand) since 1782. The king, his court and his royal government were based on the grounds of the palace until 1925. King Bhumibol Adulyadej (Rama IX), resided at the Chitralada Royal Villa and his successor King Vajiralongkorn (Rama X) at the Amphorn Sathan Residential Hall, both in the Dusit Palace, but the Grand Palace is still used for official events. Several royal ceremonies and state functions are held within the walls of the palace every year. The palace is one of the most popular tourist attractions in Thailand.

Jim Thompson House(Opens in a new window)

The Jim Thompson House is a museum in central Bangkok, Thailand, housing the art collection of American businessman and architect Jim Thompson, the museum designer and former owner. Built in 1959, the museum spans one rectangular "rai" of land (approximately half an acre or 2023.43 meters). It is one of the most popular tourist destinations in Thailand; sporting vibrant jungle foliage in the heart of the city.

Sukhumvit Road(Opens in a new window)

Sukhumvit Road (Thai: ถนนสุขุมวิท, Thanon Sukhumwit), or Thailand Route 3 (Thai: ทางหลวงแผ่นดินหมายเลข 3), is a major road in Thailand, and a major surface road of Bangkok and other cities it winds through. It follows a coastal route from Bangkok to Khlong Yai District, Trat border to Koh Kong, Cambodia

CentralWorld(Opens in a new window)

CentralWorld (Thai: เซ็นทรัลเวิลด์) is a shopping plaza and complex in Bangkok, Thailand. It is the tenth largest shopping complex in the world. The complex, which includes a hotel and office tower, is owned by Central Pattana. In 2006, after three years of design and renovation, CentralWorld was expanded to 550,000 square metres of shopping mall and 1,024,000 square metres of complex, topping nearby rival Siam Paragon in terms of size.

Places to stay in Bangkok

Chillax Heritage Hotel Khaosan(Opens in a new window)

8.8Fabulous

Villa De Khaosan by Chillax(Opens in a new window)

8.6Fabulous

Riva Surya Bangkok(Opens in a new window)

9.3Superb

Villa De Pranakorn(Opens in a new window)

8.5Very Good

Rome2Rio makes travelling from Seoul to Terminal 21 easy.

Rome2Rio is a door-to-door travel information and booking engine, helping you get to and from any location in the world. Find all the transport options for your trip from Seoul to Terminal 21 right here. Rome2Rio displays up to date schedules, route maps, journey times and estimated fares from relevant transport operators, ensuring you can make an informed decision about which option will suit you best. Rome2Rio also offers online bookings for selected operators, making reservations easy and straightforward.