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YSL to OSF: distance & flight time
St Leonard (St Leonard Airport) → Moscow (Ostafyevo International Airport)
4,134 mi
6,653 km · 3,593 nm
8h 34m
estimated nonstop flight time
—
time difference · heading northeast
See live YSL→OSF fares Phone-only fares on this route — call free
Flight time details
4,134 miles nonstop takes roughly 8h 34m gate to gate, flying northeast. 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
- OSF — Ostafyevo International Airport · Moscow, Russia
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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 mi away
Frequently asked questions
How far is YSL from OSF?
The flight distance from St Leonard (YSL) to Moscow (OSF) is 4,134 miles (6,653 km, 3,593 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to OSF?
A nonstop flight takes about 8h 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 OSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–OSF that never appear on search engines, with no booking fees.