Need help booking?
Unpublished phone-only deals available
YSL to THL: distance & flight time
St Leonard (St Leonard Airport) → Tachilek (Tachileik Airport)
7,702 mi
12,394 km · 6,692 nm
15h 34m
estimated nonstop flight time
—
time difference · heading north
See live YSL→THL fares Phone-only fares on this route — call free
Flight time details
7,702 miles nonstop takes roughly 15h 34m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YSL — St Leonard Airport · St Leonard, Canada
- THL — Tachileik Airport · Tachilek, Burma
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near YSL
- CAR · Caribou Municipal Airport22 mi away
- WFK · Northern Aroostook Regional Airport24 mi away
- PQI · Northern Maine Regional Airport at Presque Isle34 mi away
- HUL · Houlton International Airport71 mi away
Near THL
- HOE · Ban Huoeisay Airport36 mi away
- CEI · Chiang Rai International Airport37 mi away
- MOG · Mong Hsat Airport44 mi away
- KET · Kengtung Airport60 mi away
Frequently asked questions
How far is YSL from THL?
The flight distance from St Leonard (YSL) to Tachilek (THL) is 7,702 miles (12,394 km, 6,692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to THL?
A nonstop flight takes about 15h 34m 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 cheapest way to fly from YSL to THL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–THL that never appear on search engines, with no booking fees.