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Beijing to Seoul flights in May 2027 from $145 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 $241 with Korean Air, 20 May 2027 – 3 Jun 2027, found 2 days ago. The cheapest one-way found recently is $145 with Korean Air, 5 May 2027, found today.

Return

In May 2027, the cheapest return fare on each of 23 departure dates is usually $238 to $242. Across all 206 departure dates we hold on this route, it is usually $234 to $241. Of the 11 months with enough return fares to compare, 7 are usually cheaper than May 2027.

Cheapest return found recently

$241

20 May 2027 – 3 Jun 2027 · Korean Air

Beijing Capital International Airport (PEK) → 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

$238

3 May 2027 – 9 May 2027 · Asiana Airlines

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

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in May 2027

DatesFromAirlineStopsFound
3 May 2027 – 9 May 2027$238Asiana Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
8 May 2027 – 20 May 2027$238Asiana Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
15 May 2027 – 22 May 2027$238Asiana Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
16 May 2027 – 25 May 2027$238Asiana Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
18 May 2027 – 21 May 2027$238Asiana Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

23 departure dates

1 May 2027 – 7 May 2027: $301, found 2 days ago2 May 2027 – 10 May 2027: $255, found 3 days ago3 May 2027 – 9 May 2027: $238, found 6 days ago4 May 2027 – 12 May 2027: $243, found 3 days ago5 May 2027 – 26 May 2027: $242, found 5 days ago6 May 2027 – 13 May 2027: $242, found 2 days ago8 May 2027 – 20 May 2027: $238, found 6 days ago15 May 2027 – 22 May 2027: $238, found 6 days ago16 May 2027 – 25 May 2027: $238, found 6 days ago17 May 2027 – 25 May 2027: $239, found 6 days ago18 May 2027 – 21 May 2027: $238, found 5 days ago19 May 2027 – 2 Jun 2027: $238, found 5 days ago20 May 2027 – 3 Jun 2027: $241, found 2 days ago21 May 2027 – 28 May 2027: $241, found 2 days ago22 May 2027 – 28 May 2027: $241, found 2 days ago23 May 2027 – 6 Jun 2027: $241, found 2 days ago24 May 2027 – 31 May 2027: $241, found 2 days ago26 May 2027 – 5 Jun 2027: $243, found 4 days ago27 May 2027 – 2 Jun 2027: $241, found 2 days ago28 May 2027 – 20 Jun 2027: $238, found 5 days ago29 May 2027 – 16 Jun 2027: $238, found 5 days ago30 May 2027 – 9 Jun 2027: $241, found 2 days ago31 May 2027 – 20 Jun 2027: $238, 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 – 7 May 2027$301China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
2 May 2027 – 10 May 2027$255China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 May 2027 – 9 May 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
4 May 2027 – 12 May 2027$243Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
5 May 2027 – 26 May 2027$242Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
6 May 2027 – 13 May 2027$242Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
8 May 2027 – 20 May 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
15 May 2027 – 22 May 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
16 May 2027 – 25 May 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 6 days agoSee prices for these dates
17 May 2027 – 25 May 2027$239Asiana AirlinesBeijing Capital International Airport (PEK) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 6 days agoSee prices for these dates
18 May 2027 – 21 May 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
19 May 2027 – 2 Jun 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
20 May 2027 – 3 Jun 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
21 May 2027 – 28 May 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
22 May 2027 – 28 May 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
23 May 2027 – 6 Jun 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 May 2027 – 31 May 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 May 2027 – 5 Jun 2027$243Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 May 2027 – 2 Jun 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
28 May 2027 – 20 Jun 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
29 May 2027 – 16 Jun 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
30 May 2027 – 9 Jun 2027$241Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
31 May 2027 – 20 Jun 2027$238Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $203.

November 2026From $203Cheapest seen16 departure dates26 Nov – 3 Dec · found 5 days agoSee prices for these datesEvery date in November 2026
December 2026From $21130 departure dates1 Dec – 15 Dec · found 3 days agoSee prices for these datesEvery date in December 2026
January 2027From $22626 departure dates11 Jan 2027 – 22 Jan 2027 · found yesterdaySee prices for these datesEvery date in January 2027
February 2027From $23121 departure dates7 Feb 2027 – 27 Feb 2027 · found 5 days agoSee prices for these datesEvery date in February 2027
March 2027From $23429 departure dates1 Mar 2027 – 7 Mar 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $23624 departure dates1 Apr 2027 – 14 Apr 2027 · found 4 days agoSee prices for these datesEvery date in April 2027
May 2027From $23823 departure dates3 May 2027 – 9 May 2027 · found 6 days agoSee prices for these dates
June 2027From $23618 departure dates12 Jun 2027 – 21 Jun 2027 · found 5 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 $2367 departure dates11 Oct 2027 – 24 Oct 2027 · found 6 days agoSee prices for these datesEvery date in October 2027

One-way

In May 2027, the cheapest one-way fare on each of 14 departure dates is usually $143 to $144. Across all 97 departure dates we hold on this route, it is usually $141 to $145. Of the 10 months with enough one-way fares to compare, 5 are usually cheaper than May 2027.

Cheapest one-way found recently

$145

5 May 2027 · Korean Air

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

nonstop

found today

Open this tripCheck today's price

Cheapest we hold, of any age

$136

22 May 2027 · Asiana Airlines

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

nonstop

found 5 days ago

Open this tripCheck today's price

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The cheapest dates in May 2027

DatesFromAirlineStopsFound
22 May 2027$136Asiana Airlinesnonstopfound 5 days agoOpen this trip
11 May 2027$141Asiana Airlinesnonstopfound 5 days agoOpen this trip
16 May 2027$141Asiana Airlinesnonstopfound 5 days agoOpen this trip
4 May 2027$143Korean Airnonstopfound 3 days agoOpen this trip
9 May 2027$144Korean Airnonstopfound 4 days agoOpen this trip

Every date we hold

14 departure dates

2 May 2027: $155, found 3 days ago4 May 2027: $143, found 3 days ago5 May 2027: $145, found today9 May 2027: $144, found 4 days ago11 May 2027: $141, found 5 days ago12 May 2027: $144, found 5 days ago16 May 2027: $141, found 5 days ago17 May 2027: $144, found 2 days ago18 May 2027: $144, found 2 days ago19 May 2027: $144, found 2 days ago20 May 2027: $144, found 2 days ago22 May 2027: $136, found 5 days ago27 May 2027: $144, found 2 days ago29 May 2027: $145, found todayMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 May 2027$155China Southern AirlinesBeijing Daxing International Airport (PKX) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
4 May 2027$143Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
5 May 2027$145Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
9 May 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
11 May 2027$141Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
12 May 2027$144Asiana AirlinesBeijing Capital International Airport (PEK) → Gimpo International Airport (GMP)nonstopfound 5 days agoOpen this trip
16 May 2027$141Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
17 May 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
18 May 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
19 May 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
20 May 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
22 May 2027$136Asiana AirlinesBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
27 May 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
29 May 2027$145Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound todayOpen this trip

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 $731 departure date14 Dec · found 4 hours agoOpen this tripEvery date in December 2026
January 2027From $759 departure dates5 Jan 2027 · found 11 hours agoOpen this tripEvery date in January 2027
February 2027From $1084 departure dates17 Feb 2027 · found 2 days agoOpen this tripEvery date in February 2027
March 2027From $1054 departure dates9 Mar 2027 · found todayOpen this tripEvery date in March 2027
April 2027From $14117 departure dates1 Apr 2027 · found 5 days agoOpen this tripEvery date in April 2027
May 2027From $13614 departure dates22 May 2027 · found 5 days agoOpen this trip
June 2027From $13512 departure dates11 Jun 2027 · found 4 days agoOpen this tripEvery date in June 2027
July 2027From $13810 departure dates3 Jul 2027 · found todayOpen this tripEvery date in July 2027
August 2027From $1448 departure dates28 Aug 2027 · found 2 days agoOpen this tripEvery date in August 2027
September 2027From $14113 departure dates9 Sept 2027 · found 4 days agoOpen this tripEvery date in September 2027
October 2027From $1294 departure dates8 Oct 2027 · found 5 days agoOpen this tripEvery date in October 2027

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