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Beijing to Seoul in December 2026 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 $209 with Spring Airlines, 9 Dec – 16 Dec, found yesterday. The cheapest one-way found recently is $74 with Spring Airlines, 14 Dec, found 18 hours ago.

Return

In December 2026, the cheapest return fare on each of 29 departure dates is usually $235 to $242. Across all 181 departure dates we hold on this route, it is usually $238 to $244. Of the 11 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$209

9 Dec – 16 Dec · Spring Airlines

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

out 1 stop, back 1 stop

found yesterday

See prices for these datesCheck today's price

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

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
9 Dec – 16 Dec$209Spring Airlinesout 1 stop, back 1 stopfound yesterdaySee prices for these dates
7 Dec – 14 Dec$221Air Chinaout nonstop, back nonstopfound 3 days agoSee prices for these dates
2 Dec – 11 Dec$222Spring Airlinesout 1 stop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 27 Dec$228Korean Airout nonstop, back nonstopfound 10 hours agoSee prices for these dates
27 Dec – 5 Jan 2027$232China Easternout 1 stop, back 1 stopfound 4 days agoSee prices for these dates

Every date we hold

29 departure dates

1 Dec – 11 Dec: $239, found 2 days ago2 Dec – 11 Dec: $222, found 6 days ago3 Dec – 13 Dec: $237, found 5 days ago4 Dec – 13 Dec: $238, found 5 days ago5 Dec – 10 Dec: $237, found 2 days ago6 Dec – 13 Dec: $242, found 5 days ago7 Dec – 14 Dec: $221, found 3 days ago8 Dec – 11 Dec: $237, found 4 days ago9 Dec – 16 Dec: $209, found yesterday10 Dec – 15 Dec: $237, found 6 days ago11 Dec – 27 Dec: $228, found 10 hours ago12 Dec – 13 Dec: $238, found 3 days ago13 Dec – 24 Jan 2027: $238, found 5 days ago14 Dec – 17 Dec: $233, found yesterday15 Dec – 2 Jan 2027: $238, found 3 days ago16 Dec – 19 Dec: $239, found yesterday17 Dec – 24 Dec: $245, found 3 days ago18 Dec – 2 Jan 2027: $241, found yesterday20 Dec – 24 Dec: $245, found 6 days ago21 Dec – 25 Dec: $242, found 5 days ago22 Dec – 28 Dec: $242, found 4 days ago23 Dec – 2 Jan 2027: $241, found yesterday24 Dec – 25 Jan 2027: $240, found 4 days ago25 Dec – 6 Jan 2027: $235, found yesterday26 Dec – 3 Jan 2027: $273, found 3 days ago27 Dec – 5 Jan 2027: $232, found 4 days ago28 Dec – 8 Jan 2027: $233, found 3 days ago30 Dec – 7 Jan 2027: $256, found 4 days ago31 Dec – 8 Jan 2027: $269, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 11 Dec$239Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Dec – 11 Dec$222Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
3 Dec – 13 Dec$237China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 5 days agoSee prices for these dates
4 Dec – 13 Dec$238China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Dec – 10 Dec$237China EasternBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 13 Dec$242Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
7 Dec – 14 Dec$221Air ChinaBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
8 Dec – 11 Dec$237China EasternBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out 1 stop, back nonstopfound 4 days agoSee prices for these dates
9 Dec – 16 Dec$209Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
10 Dec – 15 Dec$237China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 27 Dec$228Korean AirBeijing Capital International Airport (PEK) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 10 hours agoSee prices for these dates
12 Dec – 13 Dec$238China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 3 days agoSee prices for these dates
13 Dec – 24 Jan 2027$238China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 5 days agoSee prices for these dates
14 Dec – 17 Dec$233China EasternBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
15 Dec – 2 Jan 2027$238China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 3 days agoSee prices for these dates
16 Dec – 19 Dec$239Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
17 Dec – 24 Dec$245Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
18 Dec – 2 Jan 2027$241China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
20 Dec – 24 Dec$245Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
21 Dec – 25 Dec$242Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
22 Dec – 28 Dec$242Korean AirBeijing Capital International Airport (PEK) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Dec – 2 Jan 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
24 Dec – 25 Jan 2027$240China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
25 Dec – 6 Jan 2027$235Air ChinaBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
26 Dec – 3 Jan 2027$273Korean AirBeijing Capital International Airport (PEK) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 3 days agoSee prices for these dates
27 Dec – 5 Jan 2027$232China EasternBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
28 Dec – 8 Jan 2027$233China EasternBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
30 Dec – 7 Jan 2027$256Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
31 Dec – 8 Jan 2027$269Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $209.

October 2026From $22210 departure dates20 Oct – 21 Oct · found 6 days agoSee prices for these datesEvery date in October 2026
November 2026From $22728 departure dates10 Nov – 21 Nov · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $209Cheapest seen29 departure dates9 Dec – 16 Dec · found yesterdaySee prices for these dates
January 2027From $22624 departure dates14 Jan 2027 – 22 Jan 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $23816 departure dates25 Feb 2027 – 6 Mar 2027 · found todaySee prices for these datesEvery date in February 2027
March 2027From $23025 departure dates17 Mar 2027 – 24 Mar 2027 · found yesterdaySee prices for these datesEvery date in March 2027
April 2027From $23919 departure dates6 Apr 2027 – 21 Apr 2027 · found 6 days agoSee prices for these datesEvery date in April 2027
May 2027From $24015 departure dates10 May 2027 – 24 May 2027 · found todaySee prices for these datesEvery date in May 2027
June 2027From $2385 departure dates7 Jun 2027 – 20 Jun 2027 · found yesterdaySee prices for these datesEvery date in June 2027
July 2027From $2446 departure dates2 Jul 2027 – 7 Jul 2027 · found 5 days agoSee prices for these dates
August 2027From $2574 departure dates29 Aug 2027 – 11 Sept 2027 · found 6 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 4 departure dates is usually $73 to $77. Across all 107 departure dates we hold on this route, it is usually $139 to $144. Of the 10 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$74

14 Dec · Spring Airlines

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

1 stop

found 18 hours ago

Open this tripCheck today's price

Cheapest we hold, of any age

$73

7 Dec · Spring Airlines

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

1 stop

found 3 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
7 Dec$73Spring Airlines1 stopfound 3 days agoOpen this trip
8 Dec$73Spring Airlinesstops unknownfound 3 days agoOpen this trip
14 Dec$74Spring Airlines1 stopfound 18 hours agoOpen this trip
16 Dec$85Spring Airlines1 stopfound 5 days agoOpen this trip

Every date we hold

4 departure dates

7 Dec: $73, found 3 days ago8 Dec: $73, found 3 days ago14 Dec: $74, found 18 hours ago16 Dec: $85, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
7 Dec$73Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)1 stopfound 3 days agoOpen this trip
8 Dec$73Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)stops unknownfound 3 days agoOpen this trip
14 Dec$74Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)1 stopfound 18 hours agoOpen this trip
16 Dec$85Spring AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)1 stopfound 5 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $71.

November 2026From $71Cheapest seen1 departure date30 Nov · found 4 days agoOpen this tripEvery date in November 2026
December 2026From $734 departure dates7 Dec · found 3 days agoOpen this trip
January 2027From $10422 departure dates4 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
February 2027From $12015 departure dates25 Feb 2027 · found yesterdayOpen this tripEvery date in February 2027
March 2027From $13212 departure dates10 Mar 2027 · found 3 days agoOpen this tripEvery date in March 2027
April 2027From $13719 departure dates17 Apr 2027 · found yesterdayOpen this tripEvery date in April 2027
May 2027From $14311 departure dates8 May 2027 · found yesterdayOpen this tripEvery date in May 2027
June 2027From $13310 departure dates26 Jun 2027 · found yesterdayOpen this tripEvery date in June 2027
July 2027From $1486 departure dates9 Jul 2027 · found 6 days agoOpen this trip
August 2027From $1494 departure dates9 Aug 2027 · found 3 days agoOpen this trip
September 2027From $1343 departure dates2 Sept 2027 · found yesterdayOpen 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