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THL to REP: distance & flight time

Tachilek (Tachileik Airport) → Siem-reap (Siem Reap International Airport)

552 mi
888 km · 479 nm
1h 40m
estimated nonstop flight time
+0.5h
time difference · heading southeast
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Flight time details

552 miles nonstop takes roughly 1h 40m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.5-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is THL from REP?

The flight distance from Tachilek (THL) to Siem-reap (REP) is 552 miles (888 km, 479 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from THL to REP?

A nonstop flight takes about 1h 40m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Tachilek and Siem-reap?

Siem-reap is 0.5 hours ahead of Tachilek.

What is the cheapest way to fly from THL to REP?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–REP that never appear on search engines, with no booking fees.
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