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New York to Seoul flights in December 2026 from $810 EWR, JFK, LGA → GMP, ICN

Newark Liberty International Airport (EWR), John F. Kennedy International Airport (JFK), LaGuardia Airport (LGA) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

For departures in December 2026, the cheapest return found recently is $810 with United Airlines, 2 Dec – 11 Dec, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $861 to $2,148. Across all 27 departure dates we hold on this route, it is usually $809 to $1,209. Of the 3 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$810

2 Dec – 11 Dec · United Airlines

Newark Liberty International Airport (EWR) → Incheon International Airport (ICN)

out 1 stop, back nonstop

found 3 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 December 2026

DatesFromAirlineStopsFound
2 Dec – 11 Dec$810United Airlinesout 1 stop, back nonstopfound 3 days agoSee prices for these dates
4 Dec – 18 Dec$861United Airlinesout 1 stop, back nonstopfound 5 days agoSee prices for these dates
7 Dec – 21 Dec$861United Airlinesout 1 stop, back nonstopfound 5 days agoSee prices for these dates
8 Dec – 22 Dec$873United Airlinesout 2 stops, back 1 stopfound 5 days agoSee prices for these dates
12 Dec – 26 Dec$1,576French Beeout 1 stop, back 2 stopsfound 5 days agoSee prices for these dates

Every date we hold

8 departure dates

2 Dec – 11 Dec: $810, found 3 days ago4 Dec – 18 Dec: $861, found 5 days ago7 Dec – 21 Dec: $861, found 5 days ago8 Dec – 22 Dec: $873, found 5 days ago12 Dec – 26 Dec: $1,576, found 5 days ago18 Dec – 13 Jan 2027: $2,275, found 5 days ago19 Dec – 12 Jan 2027: $2,106, found 5 days ago22 Dec – 8 Jan 2027: $2,413, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec – 11 Dec$810United AirlinesNewark Liberty International Airport (EWR) → Incheon International Airport (ICN)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
4 Dec – 18 Dec$861United AirlinesNewark Liberty International Airport (EWR) → Incheon International Airport (ICN)out 1 stop, back nonstopfound 5 days agoSee prices for these dates
7 Dec – 21 Dec$861United AirlinesNewark Liberty International Airport (EWR) → Incheon International Airport (ICN)out 1 stop, back nonstopfound 5 days agoSee prices for these dates
8 Dec – 22 Dec$873United AirlinesLaGuardia Airport (LGA) → Incheon International Airport (ICN)out 2 stops, back 1 stopfound 5 days agoSee prices for these dates
12 Dec – 26 Dec$1,576French BeeNewark Liberty International Airport (EWR) → Incheon International Airport (ICN)out 1 stop, back 2 stopsfound 5 days agoSee prices for these dates
18 Dec – 13 Jan 2027$2,275Turkish AirlinesNewark Liberty International Airport (EWR) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
19 Dec – 12 Jan 2027$2,106American AirlinesLaGuardia Airport (LGA) → Gimpo International Airport (GMP)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
22 Dec – 8 Jan 2027$2,413American AirlinesLaGuardia Airport (LGA) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $751.

November 2026From $7636 departure dates23 Nov – 11 Dec · found 2 days agoSee prices for these dates
December 2026From $8108 departure dates2 Dec – 11 Dec · found 3 days agoSee prices for these dates
January 2027From $7545 departure dates4 Jan 2027 – 27 Jan 2027 · found 3 days agoSee prices for these dates
February 2027From $751Cheapest seen2 departure dates20 Feb 2027 – 27 Feb 2027 · found 7 days agoSee prices for these dates
March 2027From $7822 departure dates2 Mar 2027 – 10 Mar 2027 · found 7 days agoSee prices for these dates
April 2027From $9641 departure date22 Apr 2027 – 6 May 2027 · found 6 days agoSee prices for these dates
May 2027From $1,4041 departure date7 May 2027 – 15 May 2027 · found 5 days agoSee prices for these dates
July 2027From $1,1721 departure date14 Jul 2027 – 28 Jul 2027 · found 4 days agoSee prices for these dates
October 2027From $1,1171 departure date2 Oct 2027 – 10 Oct 2027 · found 2 days agoSee prices for these dates

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