$170 Cheap Flights from Chiang Mai (CNX) to Hong Kong (HKG)

View $170 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Chiang Mai Intl. Airport (CNX) to Hong Kong International Airport (HKG)

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Cheap Flights from Chiang Mai to Hong Kong (CNX-HKG)

Prices were available within the past 7 days and start at $170 for one-way flights and $342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Wed, Oct 1 - Sun, Oct 5
CNX
Chiang Mai
HKG
Hong Kong SAR
$342 Roundtrip, found 3 hours ago
$342
Roundtrip
found 3 hours ago
Select Thai Airways International flight, departing Wed, Oct 1 from Chiang Mai to Hong Kong SAR, returning Sun, Oct 5, priced at $342 found 3 hours ago
Thai Airways International
Wed, Aug 27 - Mon, Sep 1
CNX
Chiang Mai
HKG
Hong Kong SAR
$343 Roundtrip, found 1 day ago
$343
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Wed, Aug 27 from Chiang Mai to Hong Kong SAR, returning Mon, Sep 1, priced at $343 found 1 day ago
Thai Airways International
Fri, Sep 12 - Mon, Sep 15
CNX
Chiang Mai
HKG
Hong Kong SAR
$344 Roundtrip, found 4 days ago
$344
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Fri, Sep 12 from Chiang Mai to Hong Kong SAR, returning Mon, Sep 15, priced at $344 found 4 days ago
Thai Airways International
Fri, Oct 17 - Sun, Oct 19
CNX
Chiang Mai
HKG
Hong Kong SAR
$345 Roundtrip, found 1 day ago
$345
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Fri, Oct 17 from Chiang Mai to Hong Kong SAR, returning Sun, Oct 19, priced at $345 found 1 day ago
Thai Airways International
Wed, Oct 1 - Sun, Oct 5
CNX
Chiang Mai
HKG
Hong Kong SAR
$346 Roundtrip, found 3 hours ago
$346
Roundtrip
found 3 hours ago
Select Thai Airways International flight, departing Wed, Oct 1 from Chiang Mai to Hong Kong SAR, returning Sun, Oct 5, priced at $346 found 3 hours ago
Bangkok Airways
Mon, Sep 8 - Sat, Sep 13
CNX
Chiang Mai
HKG
Hong Kong SAR
$347 Roundtrip, found 6 days ago
$347
Roundtrip
found 6 days ago
Select Bangkok Airways flight, departing Mon, Sep 8 from Chiang Mai to Hong Kong SAR, returning Sat, Sep 13, priced at $347 found 6 days ago
Thai Airways International
Thu, Nov 20 - Thu, Nov 27
CNX
Chiang Mai
HKG
Hong Kong SAR
$348 Roundtrip, found 4 days ago
$348
Roundtrip
found 4 days ago
Select Thai Airways International flight, departing Thu, Nov 20 from Chiang Mai to Hong Kong SAR, returning Thu, Nov 27, priced at $348 found 4 days ago
Thai Lion Mantari
Wed, Oct 15 - Thu, Nov 6
CNX
Chiang Mai
HKG
Hong Kong SAR
$358 Roundtrip, found 4 days ago
$358
Roundtrip
found 4 days ago
Select Thai Lion Mantari flight, departing Wed, Oct 15 from Chiang Mai to Hong Kong SAR, returning Thu, Nov 6, priced at $358 found 4 days ago
EVA Airways
Fri, Sep 5 - Sun, Sep 7
CNX
Chiang Mai
HKG
Hong Kong SAR
$367 Roundtrip, found 6 days ago
$367
Roundtrip
found 6 days ago
Select EVA Airways flight, departing Fri, Sep 5 from Chiang Mai to Hong Kong SAR, returning Sun, Sep 7, priced at $367 found 6 days ago
Thai Vietjet
Wed, Oct 29 - Mon, Nov 17
CNX
Chiang Mai
HKG
Hong Kong SAR
$371 Roundtrip, found 4 days ago
$371
Roundtrip
found 4 days ago
Select Thai Vietjet flight, departing Wed, Oct 29 from Chiang Mai to Hong Kong SAR, returning Mon, Nov 17, priced at $371 found 4 days ago

Find the cheapest month to fly from Chiang Mai (CNX) to Chek Lap Kok (HKG)

May is typically the cheapest month to fly

From $125 - $291 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chek Lap Kok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hong Kong Intl. HKG. Cheapest option available. Flights from $418
HKG
Hong Kong Intl.
Cheapest
Flights from $418
Flights from Chiang Mai (CNX) to Hong Kong (HKG)
Origin airport
Chiang Mai Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Cathay Pacific, China Eastern Airlines, EVA Airways, Scoot, Singapore Airlines, Thai Airways International
Roundtrip price
$342
Distance
998 mi
Average flight time
3 hours 57 mins

Chiang Mai to Hong Kong Flights

The cheapest times to fly from Chiang Mai to Hong Kong

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chiang Mai to Hong Kong are during the month of October. You can find some of the cheapest flights from Chiang Mai to Hong Kong with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chiang Mai to Hong Kong

Sunday is one of the best days to book for cheap flights from Chiang Mai to Hong Kong: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chiang Mai to Hong Kong

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chiang Mai to Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $170 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chiang Mai to Hong Kong flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chiang Mai to Hong Kong airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG) cost?
Grab cheap return flights starting from $503 from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Cathay Pacific flight leaving CNX on August 17 2025 and touching down at HKG. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from CNX to HKG?
The cheapest flights from CNX to HKG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG)?
Take the express route to Hong Kong Intl. Airport (HKG). 3 airlines offer direct flights from Chiang Mai Intl. Airport (CNX), including:

  • Hong Kong Express
  • Thai AirAsia
  • Hong Kong Airlines

What is the cheapest airline that flies from CNX to HKG?
With fares starting at $546 for a one-way journey from CNX to HKG, Cathay Pacific is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CNX on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG)?
When taking off from Chiang Mai Intl. Airport (CNX), you can take your pick from an average of 4 daily direct flights to Hong Kong Intl. Airport (HKG).
What are the most popular departure times for flights from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG)?
More travelers fly between CNX and HKG at 6 AM than at any other time. Rather go when it's quieter? Consider flying outside peak hours and you're likely to save on your ticket as well.
What day of the week has the most flights from CNX to HKG?
Sunday offers the most flights from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG)?
Chiang Mai Intl. Airport (CNX)'s first flight to Hong Kong Intl. Airport (HKG) is at approximately 6:00AM UTC+7. With a total travel time of 2h 30m, you'll land at around 9:30AM UTC+8.
How long does it take to fly from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG)?
Flights from CNX to HKG have an average travel time of 2 hours and 43 minutes. The total distance between these two airports is 1,000 mi.
What airline has the least delays from CNX to HKG?
Consider booking with Thai AirAsia if you'd like to fly straight from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG) without any interruptions. This airline has the strongest track record for punctuality, with an on-time score of 100%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG)?
Choose a flight from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Hong Kong from Chiang Mai Intl. Airport (CNX)?
Hong Kong Intl. Airport (HKG) is the only airport in Hong Kong with direct flights from Chiang Mai Intl. Airport (CNX). Compare the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG) last-minute?
Booking your plane ticket from CNX to HKG right before your journey is usually more expensive. However, if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a CNX to HKG flight and hotel package?
Booking a CNX to HKG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chiang Mai Intl. Airport (CNX) to Hong Kong Intl. Airport (HKG)?
If you booked your CNX to HKG flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.