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SPF to YSJ: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → St. John (Saint John Airport)
1,838 mi
2,958 km · 1,597 nm
4h 4m
estimated nonstop flight time
+3h
time difference · heading east
See live SPF→YSJ fares Phone-only fares on this route — call free
Flight time details
1,838 miles nonstop takes roughly 4h 4m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- YSJ — Saint John Airport · St. John, Canada
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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
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
Frequently asked questions
How far is SPF from YSJ?
The flight distance from Spearfish-South Dakota (SPF) to St. John (YSJ) is 1,838 miles (2,958 km, 1,597 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to YSJ?
A nonstop flight takes about 4h 4m 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 Spearfish-South Dakota and St. John?
St. John is 3 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to YSJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–YSJ that never appear on search engines, with no booking fees.