The cheapest times to fly from SIN to CNX are

  • January 1st to April 1st (except the week of January 22nd)
  • August 13th to November 25th (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 SIN to CNX is mid to late September. Prices can be as high as $489 for Sunday flights during late July, or as low as $127 for Wednesday flights around mid to late September.


When to Fly to Chiang Mai

Flying from Singapore (SIN) to Chiang Mai (CNX) will usually cost between $131 to $257 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $129. Due to high demand the most expensive time to fly is late July, with an average price of $349. Planning your trip to low-cost times can easily save you $220 on economy flights and even more on first-class flights. Generally, any price below $183 can be considered a good price for a round-trip SIN to CNX flight.

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

SIN to CNX Flight Prices

Compared to other flights, the SIN to CNX flight is much cheaper than the average and costs much less than the average flight leaving from Singapore. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to CNX, and Tuesday the cheapest day to fly back into SIN. Sundays are the most expensive days to fly to Chiang Mai, and Fridays are the most expensive days to return to Singapore. Selecting flights on the least expensive days could save you up to $21 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $180. Return trip prices are from the CNX to SIN 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 SIN to CNX can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 3 hour 14 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SIN to CNX while comparing.

Destination alternative #1: Chiang Rai Airport (CEI) in Chiang Rai

  • 96 miles (154 km) away from CNX
  • Usually 10.93% less expensive than CNX
  • 1-layover flights available

See SIN to CEI flights


Flight Hacking SIN to CNX

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SIN to CNX — but Champion Traveler does!

Hack #1: Bangkok (SIN > DMK > CNX)

  • Price for both tickets: $155
  • Average savings: $29 (15.57%)

See SIN to flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 37 major airlines flying this route most often: Air Astana, Air China, AirAsia, Bangkok Airways, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Emirates, EVA Air, Finnair, Garuda Indonesia, Hainan, JAL, Jetstar, Juneyao Airlines, Korean Air, Lao Airlines, Malaysia Airlines, Myanmar National Airlines, Nok Air, Oman Air, Philippine Airlines, Qantas, Scoot, Sichuan Airlines, Silkair, Singapore Airlines, Spring, THAI, Thai AirAsia, Thai Lion Mentari, Thai Vietjet Air, VietJet Air, Vietnam Airlines, Xiamen, and potentially more during busy seasons.

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

The distance between the two airports is roughly 1251 miles or 2013 kilometers.

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

The real-world flight time for a nonstop SIN to CNX flight is about 3 hour 14 minutes.

How many flights go between Singapore and Chiang Mai?

It depends on the day of the week and the date, but a typical day might have around 85 available flights from SIN to CNX.


Airport Location Info


Departing Airport

Origination codeSIN
Origination airport nameSingapore Changi International Airport

Return Airport

Destination codeCNX
Destination airport nameChiang Mai International Airport
CityChiang Mai


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.