Domestic and internal flights in Thailand

Domestic and internal flights in Thailand

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Compare cheap domestic flights and discover the best departure fares.

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Compare every domestic carrier and route flying inside Thailand on a single search, and book the dates that fit your trip and your budget.

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Frequently asked questions about domestic flights in Thailand

Which airlines fly domestically in Thailand?

Based on Kiwi.com booking data (last 12 months as of May 2026), the top airlines on Kiwi.com Thai domestic bookings are Thai AirAsia (36.9% share), Thai Lion Air (23.1%), Thai Vietjet (20.4%), Bangkok Airways (10.5%) and Nok Air (9.4%).

Is Thailand offering free domestic flights for foreign tourists?

Thailand has run promotional schemes in the past (e.g. tourism stimulus during 2023–2024) but there is no permanent free-flight program for foreign visitors. Check current Tourism Authority of Thailand announcements for live offers.

Do I have to go through immigration for domestic flights in Thailand?

No. Domestic Thai flights have a separate terminal/area with no immigration control — you just go through security with your boarding pass and ID/passport.

Bangkok Suvarnabhumi (BKK) or Don Mueang (DMK) — which for domestic?

Both serve domestic flights. DMK is the main hub for low-cost domestic carriers (Thai AirAsia, Thai Lion, Nok Air). BKK is mostly used by Thai Airways, Bangkok Airways and Thai Vietjet domestic. Always check which Bangkok airport your flight uses — they are 50 km apart.

How much does a domestic flight in Thailand cost?

Based on Kiwi.com booking data (last 12 months as of May 2026), Bangkok–Phuket and Bangkok–Chiang Mai can be found from around THB 700–1,500 (~$20–$45) one-way on LCCs when booked 4–8 weeks ahead. Last-minute and peak-season (Songkran, December) fares can be 2–3× higher.

What are the most popular domestic routes in Thailand?

Based on Kiwi.com booking data (last 12 months as of May 2026), the most-booked Thai domestic city pairs on Kiwi.com are Bangkok–Phuket, Bangkok–Chiang Mai and Bangkok–Krabi.

Can I fly direct to Koh Samui domestically?

Yes. Bangkok Airways operates the bulk of flights from Bangkok (BKK) to Koh Samui (USM) — it is a niche route Bangkok Airways effectively owns. Some seasonal flights also run from Chiang Mai and Phuket.

How early should I arrive for a Thailand domestic flight?

Aim for 90 minutes before departure with hand luggage, or 2 hours if you're checking a bag. DMK and BKK can get very busy during Songkran (April), the year-end holiday season and major Thai public holidays.