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Heihe to Sanya in December 2026 HEK → SYX

Heihe Airport (HEK) → Sanya Phoenix International Airport (SYX)

For departures in December 2026, the cheapest return found recently is $586 with China Southern Airlines, 9 Dec – 15 Dec, found 2 days ago. The cheapest one-way found recently is $322 with China Eastern, 14 Dec, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 10 departure dates is usually $711 to $796. Across all 32 departure dates we hold on this route, it is usually $525 to $793. Of the 4 months with enough return fares to compare, 2 are usually cheaper than December 2026.

Cheapest return found recently

$586

9 Dec – 15 Dec · China Southern Airlines

Heihe Airport (HEK) → Sanya Phoenix International Airport (SYX)

out 2 stops, back 2 stops

found 2 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
9 Dec – 15 Dec$586China Southern Airlinesout 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
8 Dec – 15 Dec$613China Southern Airlinesout 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
29 Dec – 11 Jan 2027$708China Easternout 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
25 Dec – 31 Dec$720China Easternout 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
26 Dec – 10 Jan 2027$749China Easternout 2 stops, back 2 stopsfound 6 days agoSee prices for these dates

Every date we hold

10 departure dates

8 Dec – 15 Dec: $613, found 6 days ago9 Dec – 15 Dec: $586, found 2 days ago19 Dec – 2 Jan 2027: $791, found 5 days ago21 Dec – 6 Jan 2027: $803, found 2 days ago23 Dec – 7 Jan 2027: $785, found 3 days ago25 Dec – 31 Dec: $720, found 2 days ago26 Dec – 10 Jan 2027: $749, found 6 days ago27 Dec – 9 Jan 2027: $798, found 6 days ago29 Dec – 11 Jan 2027: $708, found 6 days ago30 Dec – 12 Jan 2027: $992, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
8 Dec – 15 Dec$613China Southern AirlinesHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
9 Dec – 15 Dec$586China Southern AirlinesHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
19 Dec – 2 Jan 2027$791China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 1 stopfound 5 days agoSee prices for these dates
21 Dec – 6 Jan 2027$803China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
23 Dec – 7 Jan 2027$785China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 3 days agoSee prices for these dates
25 Dec – 31 Dec$720China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
26 Dec – 10 Jan 2027$749China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
27 Dec – 9 Jan 2027$798China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
29 Dec – 11 Jan 2027$708China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
30 Dec – 12 Jan 2027$992China Southern AirlinesHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $485.

October 2026From $485Cheapest seen4 departure dates29 Oct – 7 Nov · found 5 days agoSee prices for these dates
November 2026From $48512 departure dates7 Nov – 28 Nov · found 9 hours agoSee prices for these datesEvery date in November 2026
December 2026From $58610 departure dates9 Dec – 15 Dec · found 2 days agoSee prices for these dates
January 2027From $6705 departure dates6 Jan 2027 – 13 Jan 2027 · found todaySee prices for these dates
April 2027From $1,5941 departure date3 Apr 2027 – 16 Apr 2027 · found yesterdaySee prices for these dates

One-way

We hold one-way fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$322

14 Dec · China Eastern

Heihe Airport (HEK) → Sanya Phoenix International Airport (SYX)

1 stop

found 3 days ago

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 December 2026

DatesFromAirlineStopsFound
14 Dec$322China Eastern1 stopfound 3 days agoOpen this trip
19 Dec$349Shanghai Airlines2 stopsfound 6 days agoOpen this trip

Every date we hold

2 departure dates

14 Dec: $322, found 3 days ago19 Dec: $349, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
14 Dec$322China EasternHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)1 stopfound 3 days agoOpen this trip
19 Dec$349Shanghai AirlinesHeihe Airport (HEK) → Sanya Phoenix International Airport (SYX)2 stopsfound 6 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $277.

November 2026From $277Cheapest seen3 departure dates4 Nov · found 5 hours agoOpen this tripEvery date in November 2026
December 2026From $3222 departure dates14 Dec · found 3 days agoOpen this trip
January 2027From $2933 departure dates6 Jan 2027 · found 5 days agoOpen this trip
March 2027From $5931 departure date27 Mar 2027 · found 3 days agoOpen this trip
April 2027From $8171 departure date24 Apr 2027 · found 4 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