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Search round tripsInternational route BKK to ICN
Cheap flights from Bangkok to Seoul
Various airlines fly nonstop from Bangkok to Seoul. 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
BKK
Bangkok
ICN
Seoul
- Distance
- 3,666 km
Return
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Looking for Bangkok to Seoul 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
Bangkok to Seoul flight guide
Flying from Bangkok to Seoul
In short
Multiple airlines fly nonstop from Bangkok to Incheon International Airport (ICN), Seoul's main international gateway. Korean Air, Asiana Airlines, Thai Airways International and Air Premia lead the full-service side, with Jeju Air, Jin Air, Thai VietJet Air, Trinity Airways and Thai AirAsia on low-cost fares. The 3,666 km flight takes about 5 hours 5 minutes, and it is one of the busiest routes between Southeast and North Asia for tourists, workers and students.
Low-cost and full-service carriers to Seoul
Several carriers depart from Suvarnabhumi (BKK) and Thai AirAsia from Don Mueang (DMK). The low-cost airlines (Air Premia, Jeju Air, Jin Air, Thai VietJet Air, Trinity Airways and Thai AirAsia) charge for checked bags, meals and seat choice. 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 to the route from the same date, so check the current schedule in the search above.
Many flights leave Bangkok late at night and land in Seoul early in the morning, which suits travellers who want a full first day but makes for a short night on board.
Rail Link to Suvarnabhumi, SAT-1 and the A1 bus to Don Mueang
Suvarnabhumi is 27 minutes from Phaya Thai on the Airport Rail Link. Late-night departures may board at SAT-1, the satellite concourse linked to the main terminal by an automated train through a tunnel of about one kilometre.
For Don Mueang, the A1 bus from Mo Chit 2 and BTS Chatuchak and the A2 from Victory Monument cost 30 baht, and the SRT Red Line runs from Krung Thep Aphiwat Central Terminal.
Which Incheon terminal?
Incheon International Airport sits on an island west of Seoul. Korean Air and its SkyTeam partners use Terminal 2, and most other airlines use Terminal 1. Check the terminal on your booking, as the two buildings are several kilometres apart.
AREX Express or All-Stop train to Seoul Station
The AREX Airport Railroad runs from both terminals to Seoul Station. The Express train takes about 43 minutes from Terminal 1 and about 51 minutes from Terminal 2. The cheaper All-Stop train takes about 59 minutes from Terminal 1 and 66 from Terminal 2. Express trains run from early morning until about 22:48 from Terminal 1, so very late arrivals may need the all-stop service or a late-night bus.
K-ETA and the exemption list running to end-2026
Travellers from visa-waiver countries normally need a Korea Electronic Travel Authorization (K-ETA) before flying. Korea has exempted 22 countries and territories, including the United States, the United Kingdom, Japan and Singapore, until 31 December 2026; travellers from those places can still apply if they want to skip the paper arrival card. Others should check the K-ETA site or the nearest Korean embassy for their own rules.
Arriving from Dhaka to catch a Seoul flight
Biman, US-Bangla and Thai Airways land at Suvarnabhumi from Dhaka (see our Dhaka to Bangkok flights page), the airport used by eight of the Seoul carriers. A Thai AirAsia flight from Don Mueang means crossing the city and checking in again, so leave at least four hours.
Fact-checked by the bookingMentor Travel Desk
Reviewed · Updated when rules or prices change
Checked against trusted sources:
VisitKoreaKorea Immigration ServiceSuvarnabhumi Airport
Bangkok to Seoul flights at a glance
Various airlines fly nonstop from Bangkok (BKK) to Seoul (ICN). The 3,666 km flight takes about 5 hours 5 minutes.
| Flight time | 5h 05m nonstop |
|---|---|
| Distance | 3,666 km |
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FromTo DAC CXB DhakaCox's Bazar FromTo DAC ZYL DhakaSylhet FromTo DAC CGP DhakaChattogram FromTo DAC RJH DhakaRajshahi Available airlines2 airlines- US-Bangla Airlines
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FromTo ZYL DAC SylhetDhaka FromTo CGP DAC ChattogramDhaka
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FromTo DXB DAC DubaiDhaka FromTo AUH CGP Abu DhabiChattogram FromTo AUH DAC Abu DhabiDhaka FromTo AUH ZYL Abu DhabiSylhet Available airlines1 airline- Biman Bangladesh Airlines
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FromTo NRT DAC TokyoDhaka Available airlines1 airline- Biman Bangladesh Airlines
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FromTo ADD DAC Addis AbabaDhaka Available airlines1 airline- Ethiopian Airlines
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FromTo CMB DAC ColomboDhaka Available airlines2 airlines- FitsAir
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Airlines flying Bangkok to Seoul
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
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
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
How to book Bangkok to Seoul 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.
Visacheck before booking
Have your documents ready
Entry rules for Bangladeshi passports change from time to time, so confirm them with the Korean embassy or the official visa site before you book.
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Frequently Asked Questions (FAQs)
Getting there
From Suvarnabhumi, several airlines fly the route; from Don Mueang, Bangkok's low-cost airport, it is Thai AirAsia. 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. Several 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.
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.
Korean Air and its SkyTeam partners use Terminal 2; most other airlines use Terminal 1. Check your ticket, as the terminals are far apart.
The Express train takes about 43 minutes from Terminal 1 and 51 minutes from Terminal 2. The All-Stop train takes about 59 minutes from Terminal 1 and 66 from Terminal 2.
General
The clock moves two hours forward from Thai time (Thailand is UTC+7). Neither side uses daylight saving, so the gap stays the same all year.
Yes. Fly Dhaka to Bangkok on Biman, US-Bangla or Thai Airways, all of which land at Suvarnabhumi, then take one of the Seoul flights. Booking both legs on one Thai Airways ticket, where available, keeps you airside with your bag checked through. Two separate tickets mean clearing Thai immigration, which needs a Thai visa.
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
Travellers from visa-waiver countries usually need a K-ETA before boarding, though 22 countries and territories, including the US, UK, Japan and Singapore, are exempt until 31 December 2026. Others should check the K-ETA site or a Korean embassy.
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.
