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Beijing to Seoul in May 2027 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 May 2027, the cheapest return found recently is $240 with China Southern Airlines, 10 May 2027 – 24 May 2027, found today. The cheapest one-way found recently is $143 with Asiana Airlines, 8 May 2027, found yesterday.

Return

In May 2027, the cheapest return fare on each of 15 departure dates is usually $242 to $244. 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, 6 are usually cheaper than May 2027.

Cheapest return found recently

$240

10 May 2027 – 24 May 2027 · China Southern Airlines

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

out nonstop, back nonstop

found today

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 May 2027

DatesFromAirlineStopsFound
10 May 2027 – 24 May 2027$240China Southern Airlinesout nonstop, back nonstopfound todaySee prices for these dates
11 May 2027 – 25 May 2027$240China Southern Airlinesout nonstop, back nonstopfound todaySee prices for these dates
15 May 2027 – 17 May 2027$242China Southern Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
16 May 2027 – 18 May 2027$242China Southern Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
17 May 2027 – 20 May 2027$242China Southern Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates

Every date we hold

15 departure dates

1 May 2027 – 8 May 2027: $366, found 6 days ago4 May 2027 – 18 May 2027: $244, found 6 days ago5 May 2027 – 18 May 2027: $244, found 4 days ago6 May 2027 – 20 May 2027: $245, found 4 days ago7 May 2027 – 23 May 2027: $243, found 6 days ago8 May 2027 – 23 May 2027: $243, found 6 days ago9 May 2027 – 24 May 2027: $243, found 6 days ago10 May 2027 – 24 May 2027: $240, found today11 May 2027 – 25 May 2027: $240, found today14 May 2027 – 16 May 2027: $243, found 2 days ago15 May 2027 – 17 May 2027: $242, found 2 days ago16 May 2027 – 18 May 2027: $242, found 2 days ago17 May 2027 – 20 May 2027: $242, found yesterday18 May 2027 – 6 Jun 2027: $244, found 5 days ago19 May 2027 – 26 May 2027: $244, found 5 days agoMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 May 2027 – 8 May 2027$366China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
4 May 2027 – 18 May 2027$244Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
5 May 2027 – 18 May 2027$244Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
6 May 2027 – 20 May 2027$245Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
7 May 2027 – 23 May 2027$243Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
8 May 2027 – 23 May 2027$243Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
9 May 2027 – 24 May 2027$243Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
10 May 2027 – 24 May 2027$240China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound todaySee prices for these dates
11 May 2027 – 25 May 2027$240China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound todaySee prices for these dates
14 May 2027 – 16 May 2027$243China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 2 days agoSee prices for these dates
15 May 2027 – 17 May 2027$242China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 2 days agoSee prices for these dates
16 May 2027 – 18 May 2027$242China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 2 days agoSee prices for these dates
17 May 2027 – 20 May 2027$242China Southern AirlinesBeijing Daxing International Airport (PKX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound yesterdaySee prices for these dates
18 May 2027 – 6 Jun 2027$244Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
19 May 2027 – 26 May 2027$244Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 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 datesEvery date in December 2026
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 dates
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 May 2027, the cheapest one-way fare on each of 11 departure dates is usually $143 to $144. 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, 4 are usually cheaper than May 2027.

Cheapest one-way found recently

$143

8 May 2027 · Asiana Airlines

Beijing Capital International Airport (PEK) → Incheon International Airport (ICN)

nonstop

found yesterday

Open this tripCheck today's price

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

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

The cheapest dates in May 2027

DatesFromAirlineStopsFound
8 May 2027$143Asiana Airlinesnonstopfound yesterdayOpen this trip
13 May 2027$143Asiana Airlinesnonstopfound todayOpen this trip
14 May 2027$143Asiana Airlinesnonstopfound todayOpen this trip
16 May 2027$143Asiana Airlinesnonstopfound 6 days agoOpen this trip
19 May 2027$143Asiana Airlinesnonstopfound todayOpen this trip

Every date we hold

11 departure dates

7 May 2027: $145, found 5 days ago8 May 2027: $143, found yesterday11 May 2027: $144, found 3 days ago13 May 2027: $143, found today14 May 2027: $143, found today16 May 2027: $143, found 6 days ago17 May 2027: $144, found 2 days ago19 May 2027: $143, found today20 May 2027: $144, found 4 days ago21 May 2027: $145, found 2 days ago26 May 2027: $143, found yesterdayMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
7 May 2027$145Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
8 May 2027$143Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip
11 May 2027$144Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
13 May 2027$143Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
14 May 2027$143Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
16 May 2027$143Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
17 May 2027$144Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
19 May 2027$143Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
20 May 2027$144Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
21 May 2027$145Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
26 May 2027$143Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound yesterdayOpen 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 tripEvery date in December 2026
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 trip
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