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YSL to CEI: distance & flight time
St Leonard (St Leonard Airport) → Chiang Rai (Chiang Rai International Airport)
7,737 mi
12,452 km · 6,724 nm
15h 38m
estimated nonstop flight time
—
time difference · heading north
See live YSL→CEI fares Phone-only fares on this route — call free
Flight time details
7,737 miles nonstop takes roughly 15h 38m 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
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is YSL from CEI?
The flight distance from St Leonard (YSL) to Chiang Rai (CEI) is 7,737 miles (12,452 km, 6,724 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to CEI?
A nonstop flight takes about 15h 38m 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 CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–CEI that never appear on search engines, with no booking fees.