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Search round tripsInternational route ICN to BKK
Cheap flights from Seoul to Bangkok
Multiple airlines fly nonstop from Seoul to Bangkok. The 3,666 km flight takes about 5 hours 5 minutes.
Fares
Fares are pulled from the airlines and our partners when you search. Search your dates
Nonstop, several airlinesEconomy
ICN
Seoul
BKK
Bangkok
- Distance
- 3,666 km
Return
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Looking for Seoul to Bangkok air tickets and not sure what to pay? Nine airlines fly this route, and fares change with demand, so the same seat can cost noticeably more close to a holiday weekend. Put your dates in the search above to compare today's fares and book with bookingMentor.
Everything you should know
Seoul to Bangkok flight guide
Flying from Seoul to Bangkok
In short
Various airlines fly nonstop from Incheon International Airport (ICN) near Seoul to Bangkok, among them Korean Air, Asiana Airlines, Thai Airways International, Jeju Air, Jin Air and Thai AirAsia. The 3,666 km flight takes about 5 hours 5 minutes. It is one of the busiest international routes out of Korea, used heavily by Korean holidaymakers, Thai residents and migrant workers heading home through Bangkok.
Which carriers land at Suvarnabhumi and which at Don Mueang
Multiple airlines land at Suvarnabhumi (BKK), and Thai AirAsia lands at Don Mueang (DMK). Air Premia, Jeju Air, Jin Air, Thai VietJet Air, Trinity Airways and Thai AirAsia price the seat alone, so add checked bags and meals at booking; Korean Air, Asiana and Thai Airways include them. Thai AirAsia's service was listed to end on 25 October 2026 and Eastar Jet was due to return the same day, so confirm who flies your date.
AREX from Seoul Station and Incheon's two terminals
The AREX Airport Railroad runs from Seoul Station to both terminals. The Express train takes about 43 minutes to Terminal 1 and about 51 minutes to Terminal 2, and the All-Stop train takes roughly an hour. Korean Air and SkyTeam partners use Terminal 2 and most other airlines Terminal 1, so get off at the right stop.
Free TDAC form and Thailand's September 2026 rule change
Every foreign traveller completes the Thailand Digital Arrival Card (TDAC) before landing. It is free on tdac.immigration.go.th, opens three days before arrival, and is required with or without a visa.
On 15 September 2026, Thailand replaced its 60-day visa exemption with a 30-day exemption covering 60 countries and territories. South Korea was not named in the announcement, so Korean passport holders should check their category on the Thai e-Visa portal before booking. Our Thailand visa page explains the routes.
Rail Link and taxis for late-night Seoul arrivals
Suvarnabhumi lies about 25 km east of central Bangkok. The Airport Rail Link reaches Phaya Thai in about 27 minutes and meets the BTS Skytrain; Makkasan has an MRT Blue Line link. Metered taxis and Grab wait outside arrivals. Many Seoul flights land late at night, when taxis are the practical choice.
Golfers and beach visitors heading straight to the east coast can take bus 389 to Pattaya from Exit 8 on the first floor between 10:00 and 18:00 for 130 baht.
Airport buses and the SRT Red Line from Don Mueang
The A1 and A2 airport buses leave from Gate 6 of Don Mueang's international terminal for 30 baht: the A1 to Mo Chit 2 via BTS Chatuchak until 23:59, and the A2 to Victory Monument until 22:00. The SRT Red Line runs to Krung Thep Aphiwat Central Terminal for the MRT Blue Line.
Dhaka flights and minibus 555 between the airports
The Dhaka flights on Biman, US-Bangla and Thai Airways leave from Suvarnabhumi (see Bangkok to Dhaka flights). If you land at Don Mueang, allow time to cross the city and check in again; minibus 555 links the two airports between 06:30 and 20:00 for up to 60 baht.
Fact-checked by the bookingMentor Travel Desk
Reviewed · Updated when rules or prices change
Checked against trusted sources:
VisitKoreaKorea Immigration ServiceRoyal Thai Embassy
Seoul to Bangkok flights at a glance
Various airlines fly nonstop from Seoul (ICN) to Bangkok (BKK). The 3,666 km flight takes about 5 hours 5 minutes.
| Flight time | 5h 05m nonstop |
|---|---|
| Distance | 3,666 km |
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Airlines flying Seoul to Bangkok
Multiple airlines fly this route nonstop.
-
Air Premia South KoreaIATA YP ICAO APZRoutes, baggage & check-in
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Asiana Airlines South KoreaIATA OZ ICAO AARRoutes, baggage & check-in
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Jeju Air South KoreaIATA 7C ICAO JJARoutes, baggage & check-in
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Jin Air South KoreaIATA LJ ICAO JNARoutes, baggage & check-in
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Korean Air South KoreaIATA KE ICAO KALRoutes, baggage & check-in
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Thai Airways International ThailandIATA TG ICAO THARoutes, baggage & check-in
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Thai VietJet Air ThailandIATA VZ ICAO TVJRoutes, baggage & check-in
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Trinity Airways South KoreaIATA TW ICAO TWBRoutes, baggage & check-in
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Thai AirAsia ThailandIATA FD ICAO AIQRoutes, baggage & check-in
Thai AirAsia's service is listed to end 25 October 2026 and Eastar Jet resumes 25 October 2026.
Departure and arrival airports
ICN Incheon International Airport
- Codes
- IATA ICN
- City
- Seoul, South Korea
- Getting into town
- Incheon International Airport is on an island west of Seoul. The AREX express train reaches Seoul Station in under an hour; Korean Air and its partners use Terminal 2 and most other airlines Terminal 1.
- Time zone
- UTC+9
BKK Suvarnabhumi Airport
- Codes
- IATA BKK, DMK
- City
- Bangkok, Thailand
- Terminal (BKK)
- One main terminal building with the SAT-1 satellite concourse, reached by an underground automated train.
- Terminal (DMK)
- Terminal 1 handles international flights and Terminal 2 domestic ones.
- Time zone
- UTC+7, no daylight saving
- Getting into town
- Suvarnabhumi lies about 25 km east of central Bangkok. The Airport Rail Link runs to Phaya Thai in about 27 minutes and meets the BTS Skytrain there; Makkasan station connects to the MRT Blue Line. Metered taxis and Grab wait outside arrivals.
How to book Seoul to Bangkok for less
Practical points for booking this route.
2Bangkok airports
Check which Bangkok airport
Suvarnabhumi (BKK) and Don Mueang (DMK) are far apart. Low-cost flights on this route use Don Mueang, so match the airport to your hotel or connecting flight before you pay.
Low-costbags are extra
Add bags when you book
Air Premia, Jeju Air, Jin Air, Thai VietJet Air, Trinity Airways and Thai AirAsia charge for checked baggage. It is cheaper added online at booking than at the airport.
9airlines on the route
Compare the total, not the headline fare
Put your dates into the search above and compare the price with baggage, seats and meals included, not just the base fare.
e-Visafor Bangladeshi passports
Apply for the Thai e-Visa early
Apply for the Thai e-Visa online well before you fly and fill in the Thailand Digital Arrival Card in the 72 hours before landing; airlines check both at check-in.
Where to stay in Bangkok
Hotels and resorts in Bangkok with guest scores, nightly prices and free cancellation.
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Frequently Asked Questions (FAQs)
Getting there
Flights land at both Bangkok airports: several airlines at Suvarnabhumi, and Thai AirAsia at Don Mueang. Thai AirAsia's service is listed to end 25 October 2026 and Eastar Jet resumes 25 October 2026. Schedules change by season, so check the flights for your dates in the search above.
About 5 hours 5 minutes in the air. The two airports are 3,666 km apart in a straight line; actual times vary a little by airline, aircraft and wind.
Both. Multiple airlines use Suvarnabhumi (BKK); Thai AirAsia uses Don Mueang (DMK). The airports are on opposite sides of the city, so check the code on your ticket.
Suvarnabhumi lies about 25 km east of central Bangkok. The Airport Rail Link runs to Phaya Thai in about 27 minutes and meets the BTS Skytrain there; Makkasan station connects to the MRT Blue Line. Metered taxis and Grab wait outside arrivals. Don Mueang is north of the city. The SRT Dark Red Line stops at the airport and runs to Krung Thep Aphiwat Central Terminal (Bang Sue), where it meets the MRT Blue Line; airport buses and metered taxis cover the rest of the city.
Yes. Biman, US-Bangla and Thai Airways fly Bangkok to Dhaka from Suvarnabhumi. If you land at Don Mueang, allow at least four hours to transfer by road and check in again. On separate tickets you clear Thai immigration and collect your bag, so you need a Thai visa. See Bangkok to Dhaka flights.
Korean Air and its SkyTeam partners use Terminal 2; most other airlines use Terminal 1. Check your ticket, as the terminals are far apart.
General
The clock moves two hours back on landing in Thailand (Thailand is UTC+7). Neither side uses daylight saving, so the gap stays the same all year.
The AREX express train runs nonstop to Seoul Station, and the all-stop train is cheaper but slower. Airport limousine buses serve most districts.
What's included
It depends on the airline. Air Premia, Jeju Air, Jin Air, Thai VietJet Air, Trinity Airways and Thai AirAsia are low-cost carriers whose basic fares include only a cabin bag, so add checked baggage when you book. The full-service airlines normally include a checked bag; the allowance is shown on your booking.
Visa & documents
It depends on your passport. Thailand's new 30-day exemption covers 60 countries and territories from 15 September 2026, and South Korea was not named in the announcement, so check the Thai e-Visa portal. All foreign arrivals file the free Thailand Digital Arrival Card.
Cancellations & changes
Thai AirAsia's service is listed to end 25 October 2026 and Eastar Jet resumes 25 October 2026. Airlines publish these changes in advance, but dates can move, so check the schedule before you book.
Stay & facilities
On the full-service airlines, request a Muslim (halal) meal when you book or at least 24 hours before departure through the airline's manage-booking page. On Air Premia, Jeju Air, Jin Air, Thai VietJet Air, Trinity Airways and Thai AirAsia, meals are bought online or on board; check the menu for halal options.
