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Beijing to Seoul flights in December 2026 from $74 PEK, PKX → GMP, ICN

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

For departures in December 2026, the cheapest return found recently is $222 with Air China, 20 Dec – 1 Jan 2027, found 2 days ago. The cheapest one-way found recently is $74 with Spring Airlines, 14 Dec, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 29 departure dates is usually $220 to $228. Across all 195 departure dates we hold on this route, it is usually $234 to $241. Of the 11 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$222

20 Dec – 1 Jan 2027 · Air China

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$201

2 Dec – 10 Dec · China Eastern

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

out nonstop, back nonstop

found 7 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec – 10 Dec$201China Easternout nonstop, back nonstopfound 7 days agoSee prices for these dates
1 Dec – 15 Dec$211China Southern Airlinesout nonstop, back nonstopfound 3 days agoSee prices for these dates
7 Dec – 13 Dec$211China Southern Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
10 Dec – 16 Dec$211China Southern Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
12 Dec – 16 Dec$211China Southern Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

29 departure dates

1 Dec – 15 Dec: $211, found 3 days ago2 Dec – 10 Dec: $201, found 7 days ago3 Dec – 5 Dec: $215, found 8 days ago5 Dec – 13 Dec: $224, found 4 days ago6 Dec – 13 Dec: $226, found 6 days ago7 Dec – 13 Dec: $211, found 5 days ago8 Dec – 11 Dec: $215, found 4 days ago9 Dec – 12 Dec: $225, found 7 days ago10 Dec – 16 Dec: $211, found 4 days ago11 Dec – 19 Dec: $228, found 6 days ago12 Dec – 16 Dec: $211, found 6 days ago13 Dec – 22 Dec: $231, found 5 days ago14 Dec – 25 Dec: $224, found 7 days ago16 Dec – 30 Dec: $220, found 3 days ago17 Dec – 23 Dec: $230, found 4 days ago18 Dec – 26 Dec: $228, found 2 days ago19 Dec – 31 Dec: $228, found 2 days ago20 Dec – 1 Jan 2027: $222, found 2 days ago21 Dec – 1 Jan 2027: $222, found 2 days ago22 Dec – 29 Dec: $225, found 2 days ago23 Dec – 1 Jan 2027: $228, found 2 days ago24 Dec – 30 Dec: $228, found 3 days ago25 Dec – 6 Jan 2027: $226, found 4 days ago26 Dec – 7 Jan 2027: $227, found 6 days ago27 Dec – 5 Jan 2027: $233, found 7 days ago28 Dec – 10 Jan 2027: $229, found 6 days ago29 Dec – 5 Jan 2027: $221, found 3 days ago30 Dec – 7 Jan 2027: $231, found 5 days ago31 Dec – 7 Jan 2027: $278, found 5 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$211China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
2 Dec – 10 Dec$201China EasternBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
3 Dec – 5 Dec$215China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 8 days agoSee prices for these dates
5 Dec – 13 Dec$224China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
6 Dec – 13 Dec$226China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
7 Dec – 13 Dec$211China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
8 Dec – 11 Dec$215Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
9 Dec – 12 Dec$225Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
10 Dec – 16 Dec$211China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
11 Dec – 19 Dec$228Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
12 Dec – 16 Dec$211China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
13 Dec – 22 Dec$231Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
14 Dec – 25 Dec$224Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
16 Dec – 30 Dec$220China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Dec – 23 Dec$230Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
18 Dec – 26 Dec$228Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
19 Dec – 31 Dec$228Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
20 Dec – 1 Jan 2027$222Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
21 Dec – 1 Jan 2027$222Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
22 Dec – 29 Dec$225Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
23 Dec – 1 Jan 2027$228Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Dec – 30 Dec$228China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
25 Dec – 6 Jan 2027$226China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
26 Dec – 7 Jan 2027$227China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
27 Dec – 5 Jan 2027$233Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 7 days agoSee prices for these dates
28 Dec – 10 Jan 2027$229Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
29 Dec – 5 Jan 2027$221Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
30 Dec – 7 Jan 2027$231Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
31 Dec – 7 Jan 2027$278China EasternBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out 1 stop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $201.

November 2026From $20317 departure dates26 Nov – 3 Dec · found 5 days agoSee prices for these datesEvery date in November 2026
December 2026From $201Cheapest seen29 departure dates2 Dec – 10 Dec · found 7 days agoSee prices for these dates
January 2027From $22725 departure dates13 Jan 2027 – 5 Feb 2027 · found 2 days agoSee prices for these datesEvery date in January 2027
February 2027From $23119 departure dates7 Feb 2027 – 27 Feb 2027 · found 5 days agoSee prices for these datesEvery date in February 2027
March 2027From $23424 departure dates1 Mar 2027 – 7 Mar 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $23324 departure dates5 Apr 2027 – 11 Apr 2027 · found 7 days agoSee prices for these datesEvery date in April 2027
May 2027From $23423 departure dates3 May 2027 – 10 May 2027 · found 7 days agoSee prices for these datesEvery date in May 2027
June 2027From $23417 departure dates3 Jun 2027 – 11 Jun 2027 · found 7 days agoSee prices for these datesEvery date in June 2027
July 2027From $2366 departure dates3 Jul 2027 – 14 Jul 2027 · found 6 days agoSee prices for these datesEvery date in July 2027
August 2027From $3005 departure dates9 Aug 2027 – 22 Aug 2027 · found 2 days agoSee prices for these datesEvery date in August 2027
September 2027From $2431 departure date14 Sept 2027 – 21 Sept 2027 · found 4 days agoSee prices for these datesEvery date in September 2027
October 2027From $2365 departure dates11 Oct 2027 – 24 Oct 2027 · found 6 days agoSee prices for these dates

One-way

We hold one-way fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$74

14 Dec · Spring Airlines

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

1 stop

found 3 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
14 Dec$74Spring Airlines1 stopfound 3 days agoOpen this trip
16 Dec$90Spring Airlines1 stopfound 8 days agoSee prices for these dates

Every date we hold

2 departure dates

14 Dec: $74, found 3 days ago16 Dec: $90, found 8 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
14 Dec$74Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)1 stopfound 3 days agoOpen this trip
16 Dec$90Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)1 stopfound 8 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $72.

November 2026From $72Cheapest seen1 departure date25 Nov · found 3 days agoOpen this tripEvery date in November 2026
December 2026From $742 departure dates14 Dec · found 3 days agoOpen this trip
January 2027From $1063 departure dates13 Jan 2027 · found 5 days agoOpen this tripEvery date in January 2027
February 2027From $1085 departure dates17 Feb 2027 · found 2 days agoOpen this tripEvery date in February 2027
March 2027From $1033 departure dates9 Mar 2027 · found 4 days agoOpen this tripEvery date in March 2027
April 2027From $13914 departure dates27 Apr 2027 · found 7 days agoOpen this tripEvery date in April 2027
May 2027From $13614 departure dates22 May 2027 · found 5 days agoOpen this tripEvery date in May 2027
June 2027From $13513 departure dates11 Jun 2027 · found 4 days agoOpen this tripEvery date in June 2027
July 2027From $14410 departure dates3 Jul 2027 · found 2 days agoOpen this tripEvery date in July 2027
August 2027From $14410 departure dates28 Aug 2027 · found 2 days agoOpen this tripEvery date in August 2027
September 2027From $14110 departure dates9 Sept 2027 · found 4 days agoOpen this tripEvery date in September 2027
October 2027From $1463 departure dates7 Oct 2027 · found 6 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