3
Airlines
7×
Per week
฿8,202
From (live)
viaUO
3h
Nonstop
Chiang Mai (CNX) → Hong Kong (HKG)
Chiang Mai
Chiang Mai International Airport
DISTANCE
1 734 km
Hong Kong
Hong Kong International Airport
Flight time is an estimate: great-circle distance with ~8% routing adjustment and ~45 min ground operations. Actual block time depends on the carrier, winds, and specific service (check the airline schedule).
Fare trend — last 4weeks
↔ stableLowest one-way fare from weekly Travelpayouts snapshots. See methodology for how we collect this.
🇭🇰
HKG ·
- Country
- Hong Kong
- Capital
- Hong Kong
- Currency
- HKD
- Visa (Thai passport)
- visa-free 30 days
- Audience
- Medium — ASEAN regional / Songkran
When are fares cheapest?
Cheapest one-way fare actually found for each departure month — click a month to search.
Cheapest month to fly Chiang Mai to Hong Kong: September 2026, from ฿3,689 one-way.Based on 6 months of tracked fares · updated Aug 2, 2026
Compare carriers on this route
🇭🇰Cathay Pacific
CX
- Frequency
- 7× / week
- Baggage
- LCC (paid)
- Migrant program
- —
🇭🇰Hong Kong Airlines
HX
- Frequency
- 7× / week
- Baggage
- LCC (paid)
- Migrant program
- —
🇹🇭Thai AirAsia
FD
- Frequency
- 7× / week
- Baggage
- LCC (paid)
- Migrant program
- —
Chiang Mai to Hong Kong links northern Thailand with one of Asia’s major cities directly. The route carries tourists in both directions — Hong Kong visitors to the cooler, temple-rich north, and travellers from Chiang Mai reaching Hong Kong for shopping, business or onward connections. At around 7 flights a week it is a modest, roughly daily link.
Block time is about 3 hours. As a route serving Chiang Mai, demand follows the northern Thai cool season and Hong Kong’s holiday calendar, and seats in the peak windows can fill given the modest frequency.
Corridor profile
| Field | Detail |
|---|---|
| Route | Chiang Mai (CNX) → Hong Kong (HKG), Hong Kong |
| Direct carriers | Cathay Pacific, Hong Kong Airlines and Thai AirAsia |
| Frequency | ~7/week |
| Block time | ~3.0h |
| Traveller cluster | D (ASEAN & regional leisure) |
| Market low (cache) | — |
Airlines & baggage
| Airline | Alliance | Baggage | Migrant uplift | Hajj charter |
|---|---|---|---|---|
| Cathay Pacific (CX) | Oneworld | 30 kg | — | — |
| Hong Kong Airlines (HX) | non-aligned | 25 kg | — | — |
| Thai AirAsia (FD) | non-aligned | 7 kg | — | — |
Airlines on this route
Three carriers fly CNX-HKG: Cathay Pacific and Hong Kong Airlines on the full-service side, with Thai AirAsia on the low-cost end. The full-service carriers include checked baggage and a fuller cabin; Thai AirAsia prices the seat low and charges baggage and extras separately. Comparing the all-in cost once baggage is added is the fair way to weigh a low-cost fare against the full-service option.
Fare trends
CNX-HKG fares lift around the northern Thai cool-season high season, Lunar New Year and the year-end holidays. For those windows, six to ten weeks of lead time is sensible — and with only around a daily flight, peak seats can be limited. Outside the peaks, Thai AirAsia’s early fares are the cheapest, and three to six weeks usually finds a good THB price.
Seasonality & best time to book
Chiang Mai–Hong Kong fares move with demand. The cheapest windows fall outside school holidays, Songkran and New Year; book 4–8 weeks ahead for normal dates.
About Hong Kong
Hong Kong, the destination of this route, is a dense, vertical city on the southern coast of China, built around a famous harbour and pairing a major financial centre with steep green hills and outlying islands. For travellers from Chiang Mai it offers a striking contrast to the calm, low-rise north — a fast, intense city with a renowned dining culture — reached directly without the connection through Bangkok.
FAQ
Which airlines fly Chiang Mai to Hong Kong?
The CNX-HKG route is operated by Cathay Pacific, Hong Kong Airlines and Thai AirAsia. Compare baggage, alliances and fares in the table above.
How long and how often is the CNX-HKG flight?
Block time is ~3.0h, with ~7 flights per week across all carriers.
When is CNX-HKG cheapest to book?
Book 4–8 weeks ahead; avoid Songkran, school holidays and peak season to save 15–30%.
Search live fares
Search CNX → HKG on Aviasales →
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