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Seoul to Beijing in December 2026 GMP, ICN → PEK, PKX

Gimpo International Airport (GMP), Incheon International Airport (ICN) → Beijing Capital International Airport (PEK), Beijing Daxing International Airport (PKX)

For departures in December 2026, the cheapest return found recently is $252 with Air China, 24 Dec – 28 Dec, found yesterday. The cheapest one-way found recently is $123 with China Southern Airlines, 24 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 14 departure dates is usually $250 to $269. Across all 64 departure dates we hold on this route, it is usually $247 to $265. Of the 6 months with enough return fares to compare, 3 are usually cheaper than December 2026.

Cheapest return found recently

$252

24 Dec – 28 Dec · Air China

Gimpo International Airport (GMP) → Beijing Capital International Airport (PEK)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$224

11 Dec – 15 Dec · China Southern Airlines

Incheon International Airport (ICN) → Beijing Daxing International Airport (PKX)

out 1 stop, back 1 stop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
11 Dec – 15 Dec$224China Southern Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
7 Dec – 14 Dec$226Xiamen Airlinesout 1 stop, back 1 stopfound 3 days agoSee prices for these dates
3 Dec – 10 Dec$247China Southern Airlinesout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
10 Dec – 8 Jan 2027$250Asiana Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
1 Dec – 15 Dec$251Xiamen Airlinesout 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Every date we hold

14 departure dates

1 Dec – 15 Dec: $251, found 3 days ago3 Dec – 10 Dec: $247, found 5 days ago7 Dec – 14 Dec: $226, found 3 days ago10 Dec – 8 Jan 2027: $250, found 6 days ago11 Dec – 15 Dec: $224, found 6 days ago20 Dec – 21 Dec: $254, found 2 days ago21 Dec – 26 Dec: $254, found 6 days ago22 Dec – 14 Jan 2027: $267, found 4 days ago24 Dec – 28 Dec: $252, found yesterday25 Dec – 28 Dec: $252, found yesterday26 Dec – 15 Feb 2027: $273, found 6 days ago27 Dec – 14 Feb 2027: $273, found 6 days ago28 Dec – 19 Feb 2027: $270, found 6 days ago30 Dec – 6 Jan 2027: $285, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 15 Dec$251Xiamen AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
3 Dec – 10 Dec$247China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
7 Dec – 14 Dec$226Xiamen AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
10 Dec – 8 Jan 2027$250Asiana AirlinesGimpo International Airport (GMP) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 15 Dec$224China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
20 Dec – 21 Dec$254Air ChinaIncheon International Airport (ICN) → Beijing Capital International Airport (PEK)out 1 stop, back nonstopfound 2 days agoSee prices for these dates
21 Dec – 26 Dec$254China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
22 Dec – 14 Jan 2027$267Asiana AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back nonstopfound 4 days agoSee prices for these dates
24 Dec – 28 Dec$252Air ChinaGimpo International Airport (GMP) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound yesterdaySee prices for these dates
25 Dec – 28 Dec$252Air ChinaGimpo International Airport (GMP) → Beijing Capital International Airport (PEK)out nonstop, back nonstopfound yesterdaySee prices for these dates
26 Dec – 15 Feb 2027$273China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
27 Dec – 14 Feb 2027$273China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
28 Dec – 19 Feb 2027$270China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
30 Dec – 6 Jan 2027$285Shandong AirlinesIncheon International Airport (ICN) → Beijing Capital International Airport (PEK)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $216.

October 2026From $2207 departure dates21 Oct – 28 Oct · found 5 days agoSee prices for these datesEvery date in October 2026
November 2026From $216Cheapest seen20 departure dates30 Nov – 3 Dec · found 3 days agoSee prices for these datesEvery date in November 2026
December 2026From $22414 departure dates11 Dec – 15 Dec · found 6 days agoSee prices for these dates
January 2027From $2518 departure dates25 Jan 2027 – 25 Feb 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $2547 departure dates20 Feb 2027 – 22 Feb 2027 · found yesterdaySee prices for these datesEvery date in February 2027
March 2027From $2571 departure date21 Mar 2027 – 25 Mar 2027 · found yesterdaySee prices for these dates
April 2027From $2435 departure dates10 Apr 2027 – 20 Apr 2027 · found todaySee prices for these datesEvery date in April 2027
July 2027From $2541 departure date5 Jul 2027 – 18 Jul 2027 · found 6 days agoSee prices for these dates
September 2027From $2521 departure date20 Sept 2027 – 24 Sept 2027 · found 3 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $120 to $125. Across all 41 departure dates we hold on this route, it is usually $134 to $138. Of the 8 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$123

24 Dec · China Southern Airlines

Incheon International Airport (ICN) → Beijing Daxing International Airport (PKX)

1 stop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$116

12 Dec · Jeju Air

Gimpo International Airport (GMP) → Beijing Daxing International Airport (PKX)

1 stop

found 6 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
12 Dec$116Jeju Air1 stopfound 6 days agoOpen this trip
24 Dec$123China Southern Airlines1 stopfound yesterdayOpen this trip
26 Dec$127China Southern Airlines1 stopfound yesterdayOpen this trip

Every date we hold

3 departure dates

12 Dec: $116, found 6 days ago24 Dec: $123, found yesterday26 Dec: $127, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
12 Dec$116Jeju AirGimpo International Airport (GMP) → Beijing Daxing International Airport (PKX)1 stopfound 6 days agoOpen this trip
24 Dec$123China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)1 stopfound yesterdayOpen this trip
26 Dec$127China Southern AirlinesIncheon International Airport (ICN) → Beijing Daxing International Airport (PKX)1 stopfound yesterdayOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $116.

December 2026From $116Cheapest seen3 departure dates12 Dec · found 6 days agoOpen this trip
January 2027From $1215 departure dates12 Jan 2027 · found 4 days agoOpen this tripEvery date in January 2027
February 2027From $1385 departure dates15 Feb 2027 · found 2 days agoOpen this tripEvery date in February 2027
March 2027From $1336 departure dates22 Mar 2027 · found 5 days agoOpen this trip
April 2027From $13410 departure dates7 Apr 2027 · found todayOpen this tripEvery date in April 2027
May 2027From $1365 departure dates17 May 2027 · found todayOpen this trip
June 2027From $1374 departure dates8 Jun 2027 · found 6 days agoOpen this trip
July 2027From $1323 departure dates5 Jul 2027 · found 2 days agoOpen this trip

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