The cheapest times to fly from SYX to CNX are

  • February 5th to April 15th
  • August 27th to September 23rd
  • October 8th to January 7th (except the week of November 5th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SYX to CNX is mid December. Prices can be as high as $905 for Saturday flights during late January, or as low as $256 for Thursday flights around mid December.


When to Fly to Chiang Mai

Flying from Sanya (SYX) to Chiang Mai (CNX) will usually cost between $259 to $657 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid December with an average ticket price of $259. Due to high demand the most expensive time to fly is late January, with an average price of $796. Planning your trip to low-cost times can easily save you $537 on economy flights and even more on first-class flights. Generally, any price below $275 can be considered a good price for a round-trip SYX to CNX flight.

See below for a graph of average weekly prices for the SYX to CNX route. All prices are for round-trip tickets in USD.

SYX to CNX Flight Prices

Compared to other flights, the SYX to CNX flight is much cheaper than the average and costs much less than the average flight leaving from Sanya. The average price per mile (for a direct flight) is $0.25, which is below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $37 (8%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $320. Return trip prices are from the CNX to SYX flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SYX to CNX can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 13 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from SYX to CNX? We’ve got answers.

Which airlines fly this route?

You can find 17 major airlines flying this route most often: Air China, Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Hainan, Hong Kong Airlines, Jeju Air, Juneyao Airlines, Lucky Air, Shandong, Sichuan Airlines, Spring, Thai AirAsia, Turkish Airlines, and potentially more during busy seasons.

How far away is it from Chiang Mai International Airport to Phoenix International Airport?

The distance between the two airports is roughly 685 miles or 1102 kilometers.

How long does it take to fly from SYX to CNX?

The real-world flight time for a nonstop SYX to CNX flight is about 2 hour 13 minutes.

How many flights go between Sanya and Chiang Mai?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from SYX to CNX.


Airport Location Info


Departing Airport

Origination code SYX
Origination airport name Phoenix International Airport
City Sanya
Country China
Latitude 18.3
Longitude 109.4

Return Airport

Destination code CNX
Destination airport name Chiang Mai International Airport
City Chiang Mai
Country Thailand
Latitude 18.8
Longitude 99


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.