Flights Chiang Mai → Bangkok (CNX-DMK) — THB Fares, Airlines, Frequency

Chiang Mai to Bangkok Don Mueang is one of Thailand’s busiest domestic trunk routes, with around 56 flights a week — close to one every hour through the day. It is the workhorse link between the northern capital and the Bangkok low-cost gateway, carrying commuters, students, families and tourists in roughly equal measure. Block time is just over an hour.

Airlines on this route

Two low-cost carriers fly CNX-DMK: Thai AirAsia and AirAsia. Both operate the route as a budget service with a slim base fare to which baggage, seat selection and food are added. With dozens of flights a day between them, the route is built for flexibility — if one departure is full or delayed, another is rarely far behind.

THB fares

As a high-frequency domestic route flown entirely by low-cost carriers, CNX-DMK is among the cheapest air links in Thailand. Fares are lowest on quieter weekday flights and rise around long weekends, Songkran and the New Year period. Even so, one to three weeks of lead time is usually enough for a low fare in THB, and booking the first or last flight of the day often costs less.

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About Bangkok

Don Mueang is Bangkok’s older airport and the city’s main low-cost hub, sitting north of the centre. It is well connected to the city by road and rail and serves as a transfer point for budget travellers continuing on to other Thai cities or short regional routes. For travellers from Chiang Mai it is the usual arrival point when flying a low-cost carrier into Bangkok.

FAQ

Which airlines fly Chiang Mai to Bangkok? Direct CNX-DMK flights are operated by Thai AirAsia, AirAsia (Malaysia). Compare baggage allowance, fares and schedules in the carrier table above.

How long is the CNX-DMK flight and how often does it run? Block time is about 1.2 hours. The CNX-DMK route runs roughly 56 flights per week across all carriers.

How far ahead should I book CNX-DMK for the best fare? Booking 4-8 weeks ahead for regular dates, and 10-14 weeks for peak periods (Songkran, New Year, Hajj/Umrah season), typically saves 15-30%. See the month-by-month fare heatmap above.

What is the checked baggage allowance on CNX-DMK? It varies by carrier and fare class — full-service carriers on this route usually include 20-30 kg, while low-cost carriers sell it as an add-on. Confirm the current policy on the airline’s site before booking.

What currency is used in Bangkok? Bangkok uses USD. Compare airfares in THB and budget on-the-ground spending in USD.

Related routes

• CNX airport
• DMK airport