Domestic Flights in Thailand: Which Airlines Are Most Recommended?
An Extensive Domestic Flight Network
Thailand offers a developed, competitive domestic flight network — relatively low prices and high frequency make a domestic flight a practical option for most transfers between distant regions, not just a luxury.
Recommended Airlines
Thai AirAsia and Nok Air are popular budget airlines with a wide network. Thai Smile and Bangkok Airways are a bit higher level, usually with more direct routes to smaller destinations (like Koh Samui, which only Bangkok Airways flies to directly).
Typical Prices
A short domestic flight (Bangkok-Chiang Mai, for example) can cost 800-2,500 baht depending on early vs. late booking. Booking 3-4 weeks ahead usually saves significantly compared to a last-minute booking.
Luggage Weight
Budget airlines tend to have strict weight limits and high excess fees — worth checking in advance and considering buying extra weight online (cheaper than at the airport) if you expect to be over.
Fly or Overland Transport
For distances over 5-6 hours of overland travel, flying is almost always more worth it time-wise, even at a higher price — worth calculating by the time remaining in your trip, not just the single ticket price.
Booking Tip
Comparison sites like Skyscanner are good for finding the cheapest price, but also worth checking directly on the airline's site — sometimes there are deals not shown on the comparison site.
Flight or Train/Bus
For short-medium distances (up to 4-5 hours overland), a night bus or train can be cheaper and also save a night of lodging — worth comparing not just flight price vs. ticket price, but the overall picture including lodging.
Luggage on Domestic Flights
Local airlines (Air Asia, Nok Air, Thai Lion Air) usually limit luggage weight at the base price much more than international flights — worth checking in advance and considering adding weight at booking, cheaper than paying at the airport.
Delays and Cancellations
Cheap local airlines suffer delays relatively often compared to international airlines — not worth planning a tight connecting flight right after a domestic one. A buffer of a few hours prevents missing important connections.
Online Check-In
Most airlines allow check-in via website/app 24-48 hours in advance — saves a line at the airport, especially useful at busy airports like Don Mueang in peak season.
Prices and Booking Timing
Domestic flight prices move significantly by booking timing — booking 3-4 weeks ahead usually gives a better price than booking two days before. Also worth comparing across a few airlines through a comparison site, not just one airline's own site.
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