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STJ to IAG: distance & flight time
Rosecrans (Rosecrans Memorial Airport) → Niagara Falls (Niagara Falls International Airport)
857 mi
1,379 km · 745 nm
2h 20m
estimated nonstop flight time
+1h
time difference · heading east
See live STJ→IAG fares Phone-only fares on this route — call free
Flight time details
857 miles nonstop takes roughly 2h 20m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- STJ — Rosecrans Memorial Airport · Rosecrans, United States
- IAG — Niagara Falls International Airport · Niagara Falls, 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 STJ
- FLV · Sherman Army Air Field28 mi away
- MCI · Kansas City International Airport34 mi away
- MKC · Charles B. Wheeler Downtown Airport48 mi away
- LWC · Lawrence Municipal Airport55 mi away
Near IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
Frequently asked questions
How far is STJ from IAG?
The flight distance from Rosecrans (STJ) to Niagara Falls (IAG) is 857 miles (1,379 km, 745 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STJ to IAG?
A nonstop flight takes about 2h 20m 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 Rosecrans and Niagara Falls?
Niagara Falls is 1 hour ahead of Rosecrans.
What is the cheapest way to fly from STJ to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STJ–IAG that never appear on search engines, with no booking fees.