Skip to content
FareTell

Chengdu to Seoul flights in December 2026 from $246 CTU, TFU → GMP, ICN

Chengdu Shuangliu International Airport (CTU), Chengdu Tianfu (TFU) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

For departures in December 2026, the cheapest return found recently is $246 with China Southern Airlines, 19 Dec – 28 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually $251 to $255. Across all 21 departure dates we hold on this route, it is usually $251 to $291.

Cheapest return found recently

$246

19 Dec – 28 Dec · China Southern Airlines

Chengdu Shuangliu International Airport (CTU) → Gimpo International Airport (GMP)

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
19 Dec – 28 Dec$246China Southern Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
7 Dec – 22 Dec$249China Southern Airlinesout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
20 Dec – 1 Jan 2027$251China Southern Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
21 Dec – 30 Dec$251China Southern Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
23 Dec – 2 Jan 2027$251China Southern Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Every date we hold

11 departure dates

4 Dec – 19 Dec: $256, found 5 days ago7 Dec – 22 Dec: $249, found 5 days ago8 Dec – 23 Dec: $258, found 5 days ago14 Dec – 21 Dec: $253, found 5 days ago18 Dec – 23 Dec: $254, found 2 days ago19 Dec – 28 Dec: $246, found 2 days ago20 Dec – 1 Jan 2027: $251, found 2 days ago21 Dec – 30 Dec: $251, found 2 days ago22 Dec – 2 Jan 2027: $254, found 2 days ago23 Dec – 2 Jan 2027: $251, found 2 days ago31 Dec – 2 Jan 2027: $291, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec – 19 Dec$256China Southern AirlinesChengdu Tianfu (TFU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
7 Dec – 22 Dec$249China Southern AirlinesChengdu Shuangliu International Airport (CTU) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
8 Dec – 23 Dec$258China Southern AirlinesChengdu Shuangliu International Airport (CTU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
14 Dec – 21 Dec$253China Southern AirlinesChengdu Shuangliu International Airport (CTU) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
18 Dec – 23 Dec$254China EasternChengdu Shuangliu International Airport (CTU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
19 Dec – 28 Dec$246China Southern AirlinesChengdu Shuangliu International Airport (CTU) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
20 Dec – 1 Jan 2027$251China Southern AirlinesChengdu Tianfu (TFU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
21 Dec – 30 Dec$251China Southern AirlinesChengdu Tianfu (TFU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
22 Dec – 2 Jan 2027$254China Southern AirlinesChengdu Tianfu (TFU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
23 Dec – 2 Jan 2027$251China Southern AirlinesChengdu Tianfu (TFU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
31 Dec – 2 Jan 2027$291China Southern AirlinesChengdu Tianfu (TFU) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $242.

November 2026From $242Cheapest seen2 departure dates29 Nov – 5 Dec · found 4 days agoSee prices for these dates
December 2026From $24611 departure dates19 Dec – 28 Dec · found 2 days agoSee prices for these dates
January 2027From $2532 departure dates11 Jan 2027 – 17 Jan 2027 · found 5 days agoSee prices for these dates
February 2027From $3212 departure dates15 Feb 2027 – 22 Feb 2027 · found 6 days agoSee prices for these dates
March 2027From $2601 departure date21 Mar 2027 – 25 Mar 2027 · found 2 days agoSee prices for these dates
April 2027From $3291 departure date17 Apr 2027 – 20 Apr 2027 · found 5 days agoSee prices for these dates
August 2027From $3071 departure date27 Aug 2027 – 3 Sept 2027 · found 2 days agoSee prices for these dates
September 2027From $3711 departure date1 Sept 2027 – 7 Sept 2027 · found 2 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