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YSL to SYO: distance & flight time
St Leonard (St Leonard Airport) → Shonai (Shonai Airport)
6,258 mi
10,071 km · 5,438 nm
12h 44m
estimated nonstop flight time
—
time difference · heading north
See live YSL→SYO fares Phone-only fares on this route — call free
Flight time details
6,258 miles nonstop takes roughly 12h 44m 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
- SYO — Shonai Airport · Shonai, Japan
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 SYO
- GAJ · Yamagata Airport42 mi away
- AXT · Akita Airport60 mi away
- KIJ · Niigata Airport69 mi away
- SDJ · Sendai Airport77 mi away
Frequently asked questions
How far is YSL from SYO?
The flight distance from St Leonard (YSL) to Shonai (SYO) is 6,258 miles (10,071 km, 5,438 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to SYO?
A nonstop flight takes about 12h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YSL to SYO?
Nonstop service on YSL–SYO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 44m nonstop estimate.
What is the cheapest way to fly from YSL to SYO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–SYO that never appear on search engines, with no booking fees.
Why are some YSL to SYO fares phone-only?
Consolidator contracts let us sell certain YSL–SYO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.