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Cheap Flights from Hong Kong to Chiang Mai

Popular airlines from Hong Kong to Chiang Mai

You can choose from 1 airlines that fly from Hong Kong to Chiang Mai, including HK Express, HK Express offers the lowest prices on this route.
HK Express logo HK Express
Airlines are determined based on actual purchased flight tickets from Hong Kong to Chiang Mai according to previous 12 months data from Trip.com.

Explore the cheapest flights from Hong Kong to Chiang Mai in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 177, and round-trip direct tickets start at S$ 311.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Hong Kong to Chiang Mai

The distance between Hong Kong and Chiang Mai is approximately 1,634.24km. It takes around 2 hours 54 minutes on average to fly from Hong Kong to Chiang Mai. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceS$ 177
Cheapest return ticket priceS$ 311
Off-season for travelOctober
Peak season for travelJanuary
Flight distance1,634.24km
Average flight time2 hours 54 minutes
Popular airlineHK Express
Flight statistics for the Hong Kong–Chiang Mai route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Hong Kong to Chiang Mai.

What is the cheapest month for one-way flights from Hong Kong to Chiang Mai?

The average price of one-way flights from Hong Kong to Chiang Mai purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Hong Kong to Chiang Mai is May, with an average price of S$ 96, and the most expensive month is February, with an average price of up to S$ 152.

S$ 152
S$ 124
S$ 96
S$ 68
    Cheapest
  • S$ 102
    Apr
  • S$ 96
    May
  • S$ 99
    Jun
  • S$ 108
    Jul
  • S$ 105
    Aug
  • S$ 114
    Sep
  • S$ 112
    Oct
  • S$ 124
    Nov
  • S$ 134
    Dec
  • S$ 134
    Jan
  • S$ 152
    Feb
  • S$ 128
    Mar

What is the cheapest month for round-trip flights from Hong Kong to Chiang Mai?

The average price of round-trip flights from Hong Kong to Chiang Mai purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for round-trip flights from Hong Kong to Chiang Mai is June, with an average price of S$ 260, and the most expensive month is February, with an average price of up to S$ 535.

S$ 535
S$ 398
S$ 260
S$ 123
    Cheapest
  • S$ 352
    Apr
  • S$ 264
    May
  • S$ 260
    Jun
  • S$ 284
    Jul
  • S$ 282
    Aug
  • S$ 290
    Sep
  • S$ 325
    Oct
  • S$ 380
    Nov
  • S$ 357
    Dec
  • S$ 322
    Jan
  • S$ 535
    Feb
  • S$ 338
    Mar

What is the cheapest day to fly from Hong Kong to Chiang Mai during Labour Day?

Based on Trip.com's data over the past 3 days, these are the lowest one-way airfares from Hong Kong to Chiang Mai during Labour Day.

Labour Day is scheduled on May 1. The flights from Hong Kong to Chiang Mai are cheapest on May 3, with the lowest fare of S$ 185.

S$ 363
S$ 274
S$ 185
S$ 96
    Cheapest
  • S$ 242
    27
    Apr
  • S$ 248
    28
  • S$ 326
    29
  • S$ 363
    30
  • S$ 224
    1
    May
  • S$ 188
    2
  • S$ 185
    3

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Hong Kong (HKG) to Chiang Mai (CNX)?

    Based on Trip.com data, HK Express offers one-way fares as low as S$ 177 on Cheapest nonstop routes (e.g. HKG to CNX on Sun, May 10), while HK Express offers Cheapest nonstop round-trips from S$ 311 departing on Sun, May 17 and returning on Thu, May 21.
  • At the moment, you can catch a direct flight from Hong Kong to Chiang Mai with the following airlines, including: HK Express Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 54 minutes to fly from Hong Kong (HKG) to Chiang Mai (CNX).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Chiang Mai is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 14 flight per week flying from Hong Kong to Chiang Mai. You can check the weekly schedule for popular airlines on this route below: HK Express: S/M/T/W/T/F/S -- UO744 (17:09)
  • To find best deals on flights from Hong Kong to Chiang Mai, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, May 10, with one-way flights priced at just S$ 177.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is HK Express.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Chiang Mai travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hong Kong to Chiang Mai is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Hong Kong to Chiang Mai on April 26, 2026 with HK Express, with prices starting at S$ 134.
  • You can land at any one of the following hubs in Chiang Mai, with Hong Kong International Airport to Chiang Mai International Airport (HKG-CNX) is by far the most common option on this route: Chiang Mai International Airport (CNX).
  • The time difference between Chiang Mai and Hong Kong is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.