Skip to content
FareTell

Ulaanbaatar to Sanya UBN → SYX

Chinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)

The cheapest return found recently is $646 with MIAT Mongolian Airlines, 7 Nov – 20 Nov, found yesterday. The cheapest one-way found recently is $308 with Jeju Air, 3 Dec, found yesterday.

Return

The cheapest return fare on each of 9 departure dates is usually $646 to $716.

Cheapest return found recently

$646

7 Nov – 20 Nov · MIAT Mongolian Airlines

Chinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)

Leaves 6:20 p.m. · Return leaves 3:30 p.m. · 44 h 45 min of travel, both ways together

out 1 stop, back 1 stop

found yesterday

See prices for these datesCheck today's price

Cheapest nonstop return

None seen yet.

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

Found recently, and the cheapest we hold

Cheapest found recently $646 7 Nov – 20 Novfound yesterdaySee prices for these dates

Cheapest we hold, of any age $612 9 Nov – 23 Novfound 4 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $608 to $820.

$646, the cheapest return found recently, sits here in that range of $608 to $820.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good return price?

Compared with the cheapest return fare on each of 9 departure dates from 23 Oct to 12 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

We hold no other 13-night return fares leaving within 3 days of 7 Nov to compare.

Every date we hold

12 fares on 9 departure dates

23 Oct – 2 Nov: $814, found yesterday1 Nov – 12 Nov: $716, found 4 days ago7 Nov – 20 Nov: $646, found yesterday9 Nov – 23 Nov: $612, found 4 days ago10 Nov – 24 Nov: $637, found 4 days ago30 Dec – 8 Jan 2027: $650, found 4 days ago1 Jan 2027 – 10 Jan 2027: $828, found yesterday2 Jan 2027 – 16 Jan 2027: $711, found 5 days ago12 Mar 2027 – 26 Mar 2027: $694, found todayOctNovDecJanMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
23 Oct – 2 Nov$814Air ChinaChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 3 stops, back 1 stopfound yesterdaySee prices for these dates
1 Nov – 12 Nov$716Air ChinaChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
7 Nov – 20 Nov$646MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
9 Nov – 23 Nov$612MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
10 Nov – 24 Nov$637MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
30 Dec – 8 Jan 2027$650Aero MongoliaChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
1 Jan 2027 – 10 Jan 2027$828MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
2 Jan 2027 – 16 Jan 2027$711MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
12 Mar 2027 – 26 Mar 2027$694MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)out 1 stop, back 1 stopfound todaySee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $612.

October 2026From $8141 departure date23 Oct – 2 Nov · found yesterdaySee prices for these dates
November 2026From $612Cheapest seen4 departure dates9 Nov – 23 Nov · found 4 days agoSee prices for these dates
December 2026From $6501 departure date30 Dec – 8 Jan 2027 · found 4 days agoSee prices for these dates
January 2027From $7112 departure dates2 Jan 2027 – 16 Jan 2027 · found 5 days agoSee prices for these dates
March 2027From $6941 departure date12 Mar 2027 – 26 Mar 2027 · found todaySee prices for these dates

Airlines on the cheapest dates: MIAT Mongolian Airlines, Air China, Aero Mongolia.

One-way

The cheapest one-way fare on each of 5 departure dates is usually $462 to $484.

Cheapest one-way found recently

$308

3 Dec · Jeju Air

Chinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)

Leaves 3:15 p.m. · 23 h 15 min trip

1 stop

found yesterday

Open this tripCheck today's price

Cheapest nonstop one-way

None seen yet.

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

Found recently, and the cheapest we hold

Cheapest found recently $308 3 Decfound yesterdayOpen this trip

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

What have prices looked like?

Over 18 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $290 to $462.

$308, the cheapest one-way found recently, sits here in that range of $290 to $462.

18 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good one-way price?

Compared with the cheapest one-way fare on each of 5 departure dates from 3 Dec to 20 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 3 Dec to compare.

Every date we hold

6 fares on 5 departure dates

3 Dec: $308, found yesterday22 Jun 2027: $462, found 2 days ago18 Jul 2027: $484, found 2 days ago19 Jul 2027: $484, found 2 days ago20 Jul 2027: $484, found 2 days agoDecJunJul
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec$308Jeju AirChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)1 stopfound yesterdayOpen this trip
22 Jun 2027$462MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)2 stopsfound 2 days agoOpen this trip
18 Jul 2027$484MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)2 stopsfound 2 days agoOpen this trip
19 Jul 2027$484MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)2 stopsfound 2 days agoOpen this trip
20 Jul 2027$484MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Sanya Phoenix International Airport (SYX)2 stopsfound 2 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $308.

December 2026From $308Cheapest seen1 departure date3 Dec · found yesterdayOpen this trip
June 2027From $4621 departure date22 Jun 2027 · found 2 days agoOpen this trip
July 2027From $4843 departure dates18 Jul 2027 · found 2 days agoOpen this trip

Airlines on the cheapest dates: MIAT Mongolian Airlines, Jeju Air.

Premium cabin fares from Ulaanbaatar to Sanya

We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.

Today's prices for 7 Nov – 20 Nov in another cabin: Premium economy · Business · First

Today's prices for 3 Dec in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Ulaanbaatar to Sanya?

Return

Fares 30 to 59 days before departure were typically 12% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

See these ranges as a table
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$693$687+14%11
14–29 days$637$612+5%11
30–59 days$609$608Cheapest seen20
60–89 days$708$610+16%22
90–179 days$701$693+15%25
180+ days$843$822+38%21

One-way

Not enough history yet: in 18 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.

Live price for these dates

The cheapest return found recently is for 7 Nov – 20 Nov. A live search on this page shows what those dates cost now, for one adult in economy.

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