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Nonstop flights from Bangkok to Seoul from $351 BKK, DMK → GMP, ICN

Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

The cheapest nonstop return found recently is $351 with THAI Airways, 3 Jun 2027 – 6 Jun 2027, found 2 days ago.

Nonstop return

The cheapest nonstop return fare on each of 16 departure dates is usually $378 to $452.

Cheapest nonstop return

$351

3 Jun 2027 – 6 Jun 2027 · THAI Airways

Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN)

Leaves 8:00 a.m. · Return leaves 3:25 p.m. · 11 h 15 min of travel, both ways together

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Air Premia (11 departure dates), THAI Airways (10 departure dates), Thai Vietjet Air (10 departure dates), T'way Air (8 departure dates), Asiana Airlines (6 departure dates), Korean Air (4 departure dates), Jeju Air (1 departure date), Eastar Jet (1 departure date).

On the 20 trips where we hold both on the same dates, nonstop cost a median $78 (24.2%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 3 of those 20 trips.

Every nonstop date we hold

Nonstop fares on 16 of the 29 departure dates we hold for this route.

22 Nov – 2 Dec: $386, found 6 days ago29 Dec – 6 Jan 2027: $508, found 4 days ago27 Jan 2027 – 28 Jan 2027: $413, found 8 days ago31 Jan 2027 – 22 Feb 2027: $438, found 2 days ago1 Feb 2027 – 25 Feb 2027: $438, found 5 days ago16 Mar 2027 – 17 Mar 2027: $379, found 2 days ago17 Mar 2027 – 21 Mar 2027: $393, found 5 days ago28 Mar 2027 – 11 Apr 2027: $457, found 3 days ago5 Apr 2027 – 12 Apr 2027: $496, found 6 days ago17 Apr 2027 – 21 Apr 2027: $450, found 2 days ago10 May 2027 – 14 May 2027: $374, found 2 days ago3 Jun 2027 – 6 Jun 2027: $351, found 2 days ago2 Jul 2027 – 6 Jul 2027: $291, found 5 days ago6 Jul 2027 – 10 Jul 2027: $291, found 5 days ago26 Aug 2027 – 2 Sept 2027: $398, found 4 days ago11 Oct 2027 – 24 Oct 2027: $546, found 6 days agoNovDecJanFebMarAprMayJunJulAugOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
22 Nov – 2 Dec$386T'way AirSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
29 Dec – 6 Jan 2027$508Asiana AirlinesSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Jan 2027 – 28 Jan 2027$413Air PremiaSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 8 days agoSee prices for these dates
31 Jan 2027 – 22 Feb 2027$438Air PremiaSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
1 Feb 2027 – 25 Feb 2027$438Eastar JetSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
16 Mar 2027 – 17 Mar 2027$379T'way AirSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
17 Mar 2027 – 21 Mar 2027$393Air PremiaSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
28 Mar 2027 – 11 Apr 2027$457Asiana AirlinesSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Apr 2027 – 12 Apr 2027$496Air PremiaSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
17 Apr 2027 – 21 Apr 2027$450THAI AirwaysSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 May 2027 – 14 May 2027$374Air PremiaSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
3 Jun 2027 – 6 Jun 2027$351THAI AirwaysSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Jul 2027 – 6 Jul 2027$291Thai Vietjet AirSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
6 Jul 2027 – 10 Jul 2027$291Thai Vietjet AirSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
26 Aug 2027 – 2 Sept 2027$398Thai Vietjet AirSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
11 Oct 2027 – 24 Oct 2027$546Korean AirSuvarnabhumi Airport (BKK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work