Flights Bangkok → Siem Reap (BKK-REP) — THB Fares, Airlines, Frequency

Bangkok to Siem Reap is a short, tourism-driven route — Siem Reap being the gateway town to the Angkor temple complex, one of Southeast Asia’s most visited sites. At around 21 flights a week and barely an hour in the air, it is an easy connection, carrying mostly visitors heading to Angkor, alongside regional and business travel.

Block time is about one hour. Demand on this route follows Cambodia’s tourism calendar closely, with the cooler, drier months drawing the largest numbers and firmest fares.

Airlines on this route

Three carriers fly BKK-REP: Thai Airways on the full-service side, with Thai AirAsia and Cambodia Angkor Air covering the route as well. Thai Airways includes checked baggage and a fuller cabin; Thai AirAsia prices the seat low and charges baggage and extras separately. On a one-hour hop, many travellers fly with cabin baggage only — compare the all-in cost once you have added whatever you need to check.

THB fares

BKK-REP fares move with Cambodia’s tourism season. The cool, dry months are the busiest and dearest, and seats can firm up around the year-end peak — six to ten weeks of lead time is sensible for that window. Outside the season, fares ease and three to six weeks usually finds a good THB price. Travelling light keeps the cost down on a route this short.

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About Siem Reap

Siem Reap is the town that serves the Angkor Archaeological Park — the vast complex of temples, including Angkor Wat, built by the Khmer Empire and now a UNESCO World Heritage Site. The town itself has grown around that traffic, with a wide range of places to stay, eat and rest between temple visits. For travellers from Bangkok it is a focused, accessible trip: a short flight, a world-significant site, and a town geared entirely to making the visit easy.

FAQ

Which airlines fly Bangkok to Siem Reap? Direct BKK-REP flights are operated by Thai AirAsia, K6, Thai Airways. Compare baggage allowance, fares and schedules in the carrier table above.

How long is the BKK-REP flight and how often does it run? Block time is about 1.0 hours. The BKK-REP route runs roughly 21 flights per week across all carriers.

How far ahead should I book BKK-REP 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 BKK-REP? 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.

Do Thai passport holders need a visa for Cambodia? visa-free 30 days (ASEAN). Check the latest requirements with the embassy or mfa.go.th before booking.

Related routes

• BKK airport
• REP airport