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Beijing to Seoul flights in September 2027 from $144 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 September 2027, the cheapest return found recently is $243 with Korean Air, 14 Sept 2027 – 21 Sept 2027, found 4 days ago. The cheapest one-way found recently is $144 with Korean Air, 17 Sept 2027, found 2 days ago.

Return

We hold return fares on only 1 departure date in September 2027, too few to say what one usually costs.

Cheapest return found recently

$243

14 Sept 2027 – 21 Sept 2027 · Korean Air

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

out nonstop, back nonstop

found 4 days ago

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 September 2027

DatesFromAirlineStopsFound
14 Sept 2027 – 21 Sept 2027$243Korean Airout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
14 Sept 2027 – 21 Sept 2027$243Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 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 datesEvery date in December 2026
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 dates
October 2027From $2365 departure dates11 Oct 2027 – 24 Oct 2027 · found 6 days agoSee prices for these dates

One-way

In September 2027, the cheapest one-way fare on each of 10 departure dates is usually $144 to $146. Across all 88 departure dates we hold on this route, it is usually $141 to $146. Of the 10 months with enough one-way fares to compare, 6 are usually cheaper than September 2027.

Cheapest one-way found recently

$144

17 Sept 2027 · Korean Air

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

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$141

9 Sept 2027 · Korean Air

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

nonstop

found 4 days ago

Open this tripCheck today's price

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

The cheapest dates in September 2027

DatesFromAirlineStopsFound
9 Sept 2027$141Korean Airnonstopfound 4 days agoOpen this trip
21 Sept 2027$143Korean Airnonstopfound 6 days agoOpen this trip
11 Sept 2027$144Korean Airnonstopfound 3 days agoOpen this trip
15 Sept 2027$144Korean Airnonstopfound 3 days agoOpen this trip
17 Sept 2027$144Korean Airnonstopfound 2 days agoOpen this trip

Every date we hold

10 departure dates

6 Sept 2027: $146, found 6 days ago9 Sept 2027: $141, found 4 days ago10 Sept 2027: $146, found 6 days ago11 Sept 2027: $144, found 3 days ago12 Sept 2027: $146, found 4 days ago15 Sept 2027: $144, found 3 days ago17 Sept 2027: $144, found 2 days ago20 Sept 2027: $146, found 6 days ago21 Sept 2027: $143, found 6 days ago30 Sept 2027: $226, found 6 days agoSep
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
6 Sept 2027$146Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
9 Sept 2027$141Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
10 Sept 2027$146Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
11 Sept 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
12 Sept 2027$146Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
15 Sept 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
17 Sept 2027$144Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
20 Sept 2027$146Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
21 Sept 2027$143Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
30 Sept 2027$226Korean AirBeijing Capital International Airport (PEK) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen 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 $742 departure dates14 Dec · found 3 days agoOpen this tripEvery date in December 2026
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 trip
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