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YSJ to BOI: distance & flight time
St. John (Saint John Airport) → Boise (Boise Air Terminal/Gowen Field)
2,445 mi
3,935 km · 2,125 nm
5h 16m
estimated nonstop flight time
-3h
time difference · heading west
See live YSJ→BOI fares Phone-only fares on this route — call free
Flight time details
2,445 miles nonstop takes roughly 5h 16m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- YSJ — Saint John Airport · St. John, Canada
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
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 YSJ
- YFC · Fredericton Airport49 mi away
- YZX · CFB Greenwood53 mi away
- YDG · Digby / Annapolis Regional Airport53 mi away
- YQM · Greater Moncton International Airport80 mi away
Near BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Frequently asked questions
How far is YSJ from BOI?
The flight distance from St. John (YSJ) to Boise (BOI) is 2,445 miles (3,935 km, 2,125 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSJ to BOI?
A nonstop flight takes about 5h 16m 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 St. John and Boise?
Boise is 3 hours behind St. John.
What is the cheapest way to fly from YSJ to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSJ–BOI that never appear on search engines, with no booking fees.