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Seoul to Sanya flights in December 2026 from $240 GMP, ICN → SYX

Gimpo International Airport (GMP), Incheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)

For departures in December 2026, the cheapest return found recently is $240 with Xiamen Airlines, 1 Dec – 14 Dec, found 2 days ago. The cheapest one-way found recently is $260 with Sichuan Airlines, 31 Dec, found 5 days ago.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually $253 to $462. Across all 27 departure dates we hold on this route, it is usually $306 to $411. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$240

1 Dec – 14 Dec · Xiamen Airlines

Incheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)

out 1 stop, back 1 stop

found 2 days ago

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Cheapest we hold, of any age

$234

11 Dec – 17 Dec · Shandong Airlines

Incheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)

out nonstop, back nonstop

found 8 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
11 Dec – 17 Dec$234Shandong Airlinesout nonstop, back nonstopfound 8 days agoSee prices for these dates
5 Dec – 12 Dec$238Shandong Airlinesout nonstop, back nonstopfound 7 days agoSee prices for these dates
1 Dec – 14 Dec$240Xiamen Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
10 Dec – 22 Dec$265Shandong Airlinesout nonstop, back 1 stopfound 5 days agoSee prices for these dates
14 Dec – 2 Jan 2027$381Shandong Airlinesout nonstop, back 1 stopfound 8 days agoSee prices for these dates

Every date we hold

11 departure dates

1 Dec – 14 Dec: $240, found 2 days ago5 Dec – 12 Dec: $238, found 7 days ago10 Dec – 22 Dec: $265, found 5 days ago11 Dec – 17 Dec: $234, found 8 days ago14 Dec – 2 Jan 2027: $381, found 8 days ago20 Dec – 2 Jan 2027: $395, found 8 days ago21 Dec – 2 Jan 2027: $459, found 6 days ago22 Dec – 13 Jan 2027: $401, found 3 days ago26 Dec – 5 Jan 2027: $465, found 4 days ago27 Dec – 3 Jan 2027: $514, found 7 days ago31 Dec – 2 Jan 2027: $607, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 14 Dec$240Xiamen AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
5 Dec – 12 Dec$238Shandong AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out nonstop, back nonstopfound 7 days agoSee prices for these dates
10 Dec – 22 Dec$265Shandong AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out nonstop, back 1 stopfound 5 days agoSee prices for these dates
11 Dec – 17 Dec$234Shandong AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out nonstop, back nonstopfound 8 days agoSee prices for these dates
14 Dec – 2 Jan 2027$381Shandong AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out nonstop, back 1 stopfound 8 days agoSee prices for these dates
20 Dec – 2 Jan 2027$395China Southern AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 8 days agoSee prices for these dates
21 Dec – 2 Jan 2027$459Xiamen AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
22 Dec – 13 Jan 2027$401Shandong AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out nonstop, back nonstopfound 3 days agoSee prices for these dates
26 Dec – 5 Jan 2027$465Xiamen AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
27 Dec – 3 Jan 2027$514Shanghai AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
31 Dec – 2 Jan 2027$607China Southern AirlinesGimpo International Airport (GMP) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $233.

November 2026From $233Cheapest seen4 departure dates27 Nov – 6 Dec · found 6 days agoSee prices for these dates
December 2026From $23411 departure dates11 Dec – 17 Dec · found 8 days agoSee prices for these dates
January 2027From $3225 departure dates3 Jan 2027 – 9 Jan 2027 · found 7 days agoSee prices for these dates
February 2027From $3442 departure dates24 Feb 2027 – 4 Mar 2027 · found 5 days agoSee prices for these dates
March 2027From $3463 departure dates25 Mar 2027 – 14 Apr 2027 · found 7 days agoSee prices for these dates
May 2027From $3541 departure date24 May 2027 – 11 Jun 2027 · found 3 days agoSee prices for these dates
June 2027From $3541 departure date3 Jun 2027 – 17 Jun 2027 · found 4 days agoSee prices for these dates

One-way

We hold one-way fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$260

31 Dec · Sichuan Airlines

Incheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)

1 stop

found 5 days ago

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

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
31 Dec$260Sichuan Airlines1 stopfound 5 days agoOpen this trip

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
31 Dec$260Sichuan AirlinesIncheon International Airport (ICN) → Sanya Phoenix International Airport (SYX)1 stopfound 5 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $130.

November 2026From $130Cheapest seen1 departure date26 Nov · found 6 days agoOpen this trip
December 2026From $2601 departure date31 Dec · found 5 days agoOpen this trip
July 2027From $2541 departure date9 Jul 2027 · found 3 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