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Seoul to Bangkok in January 2027 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 $349 with Cathay Pacific, 20 Jan 2027 – 27 Jan 2027, found 8 hours ago.

Return

In January 2027, the cheapest return fare on each of 13 departure dates is usually $365 to $395. Across all 51 departure dates we hold on this route, it is usually $332 to $370. Of the 5 months with enough return fares to compare, 3 are usually cheaper than January 2027.

Cheapest return found recently

$349

20 Jan 2027 – 27 Jan 2027 · Cathay Pacific

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

out 1 stop, back 1 stop

found 8 hours ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$328

25 Jan 2027 – 1 Feb 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

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
25 Jan 2027 – 1 Feb 2027$328Shandong Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
20 Jan 2027 – 27 Jan 2027$349Cathay Pacificout 1 stop, back 1 stopfound 8 hours agoSee prices for these dates
9 Jan 2027 – 23 Jan 2027$365China Easternout 1 stop, back 1 stopfound 4 days agoSee prices for these dates
11 Jan 2027 – 23 Jan 2027$365China Easternout 1 stop, back 1 stopfound 4 days agoSee prices for these dates
18 Jan 2027 – 29 Jan 2027$365China Easternout 1 stop, back 1 stopfound 5 days agoSee prices for these dates

Every date we hold

13 departure dates

3 Jan 2027 – 14 Feb 2027: $428, found 4 days ago8 Jan 2027 – 23 Jan 2027: $396, found 4 days ago9 Jan 2027 – 23 Jan 2027: $365, found 4 days ago11 Jan 2027 – 23 Jan 2027: $365, found 4 days ago12 Jan 2027 – 24 Jan 2027: $368, found 4 days ago13 Jan 2027 – 19 Jan 2027: $369, found 3 days ago15 Jan 2027 – 21 Jan 2027: $395, found 3 days ago16 Jan 2027 – 30 Jan 2027: $369, found 3 days ago18 Jan 2027 – 29 Jan 2027: $365, found 5 days ago20 Jan 2027 – 27 Jan 2027: $349, found 8 hours ago21 Jan 2027 – 24 Jan 2027: $366, found today25 Jan 2027 – 1 Feb 2027: $328, found 2 days ago28 Jan 2027 – 4 Feb 2027: $582, found 2 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Jan 2027 – 14 Feb 2027$428China Southern AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
8 Jan 2027 – 23 Jan 2027$396Shanghai AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
9 Jan 2027 – 23 Jan 2027$365China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
11 Jan 2027 – 23 Jan 2027$365China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
12 Jan 2027 – 24 Jan 2027$368China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
13 Jan 2027 – 19 Jan 2027$369China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 2 stops, back 1 stopfound 3 days agoSee prices for these dates
15 Jan 2027 – 21 Jan 2027$395Shanghai AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
16 Jan 2027 – 30 Jan 2027$369Shandong AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
18 Jan 2027 – 29 Jan 2027$365China EasternIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
20 Jan 2027 – 27 Jan 2027$349Cathay PacificIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 8 hours agoSee prices for these dates
21 Jan 2027 – 24 Jan 2027$366Cathay PacificIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound todaySee prices for these dates
25 Jan 2027 – 1 Feb 2027$328Shandong AirlinesIncheon International Airport (ICN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
28 Jan 2027 – 4 Feb 2027$582Air ChinaGimpo International Airport (GMP) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $285.

October 2026From $3033 departure dates26 Oct – 9 Nov · found 2 days agoSee prices for these dates
November 2026From $285Cheapest seen15 departure dates2 Nov – 11 Nov · found 6 days agoSee prices for these datesEvery date in November 2026
December 2026From $32812 departure dates3 Dec – 12 Dec · found yesterdaySee prices for these datesEvery date in December 2026
January 2027From $32813 departure dates25 Jan 2027 – 1 Feb 2027 · found 2 days agoSee prices for these dates
February 2027From $2976 departure dates15 Feb 2027 – 25 Feb 2027 · found 6 days agoSee prices for these dates
March 2027From $3522 departure dates2 Mar 2027 – 11 Mar 2027 · found yesterdaySee 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