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Seoul to Bangkok flights in January 2027 from $336 GMP, ICN → BKK, DMK

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

For departures in January 2027, the cheapest return found recently is $336 with Shandong Airlines, 14 Jan 2027 – 26 Jan 2027, found 2 days ago.

Return

In January 2027, the cheapest return fare on each of 14 departure dates is usually $349 to $385. Across all 62 departure dates we hold on this route, it is usually $321 to $361. Of the 5 months with enough return fares to compare, January 2027 is usually the most expensive.

Cheapest return found recently

$336

14 Jan 2027 – 26 Jan 2027 · Shandong Airlines

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

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$323

12 Jan 2027 – 31 Jan 2027 · Shandong Airlines

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

out 1 stop, back 1 stop

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
12 Jan 2027 – 31 Jan 2027$323Shandong Airlinesout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
11 Jan 2027 – 27 Jan 2027$334China Easternout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
14 Jan 2027 – 26 Jan 2027$336Shandong Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
15 Jan 2027 – 30 Jan 2027$349HK Expressout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
16 Jan 2027 – 30 Jan 2027$349HK Expressout 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Every date we hold

14 departure dates

3 Jan 2027 – 20 Jan 2027: $409, found 2 days ago4 Jan 2027 – 21 Jan 2027: $371, found 2 days ago5 Jan 2027 – 16 Jan 2027: $529, found 5 days ago6 Jan 2027 – 14 Jan 2027: $447, found 5 days ago10 Jan 2027 – 15 Jan 2027: $352, found 7 days ago11 Jan 2027 – 27 Jan 2027: $334, found 6 days ago12 Jan 2027 – 31 Jan 2027: $323, found 5 days ago13 Jan 2027 – 2 Feb 2027: $366, found 2 days ago14 Jan 2027 – 26 Jan 2027: $336, found 2 days ago15 Jan 2027 – 30 Jan 2027: $349, found 6 days ago16 Jan 2027 – 30 Jan 2027: $349, found 6 days ago21 Jan 2027 – 31 Jan 2027: $385, found 2 days ago27 Jan 2027 – 4 Feb 2027: $385, found 4 days ago28 Jan 2027 – 3 Feb 2027: $378, found 4 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Jan 2027 – 20 Jan 2027$409Vietnam AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
4 Jan 2027 – 21 Jan 2027$371China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
5 Jan 2027 – 16 Jan 2027$529Air ChinaGimpo International Airport (GMP) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
6 Jan 2027 – 14 Jan 2027$447Eastar JetGimpo International Airport (GMP) → Suvarnabhumi Airport (BKK)out 2 stops, back 1 stopfound 5 days agoSee prices for these dates
10 Jan 2027 – 15 Jan 2027$352HK ExpressIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
11 Jan 2027 – 27 Jan 2027$334China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
12 Jan 2027 – 31 Jan 2027$323Shandong AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
13 Jan 2027 – 2 Feb 2027$366HK ExpressIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
14 Jan 2027 – 26 Jan 2027$336Shandong AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
15 Jan 2027 – 30 Jan 2027$349HK ExpressIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
16 Jan 2027 – 30 Jan 2027$349HK ExpressIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
21 Jan 2027 – 31 Jan 2027$385China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
27 Jan 2027 – 4 Feb 2027$385Shandong AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
28 Jan 2027 – 3 Feb 2027$378Jeju AirIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $290.

November 2026From $290Cheapest seen7 departure dates25 Nov – 1 Dec · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $30318 departure dates2 Dec – 16 Dec · found 3 days agoSee prices for these datesEvery date in December 2026
January 2027From $32314 departure dates12 Jan 2027 – 31 Jan 2027 · found 5 days agoSee prices for these dates
February 2027From $32911 departure dates14 Feb 2027 – 28 Feb 2027 · found 5 days agoSee prices for these datesEvery date in February 2027
March 2027From $2974 departure dates4 Mar 2027 – 11 Mar 2027 · found 7 days agoSee prices for these dates
May 2027From $3232 departure dates15 May 2027 – 21 May 2027 · found 5 days agoSee prices for these dates
June 2027From $3191 departure date14 Jun 2027 – 3 Jul 2027 · found 8 days agoSee prices for these dates
July 2027From $3152 departure dates7 Jul 2027 – 28 Jul 2027 · found 6 days agoSee prices for these dates
August 2027From $2952 departure dates22 Aug 2027 – 28 Aug 2027 · found 3 days agoSee prices for these dates
October 2027From $3151 departure date4 Oct 2027 – 9 Oct 2027 · found 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