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IAG to OSR: distance & flight time
Niagara Falls (Niagara Falls International Airport) → Ostrava (Ostrava Leos Janáček Airport)
4,312 mi
6,940 km · 3,747 nm
8h 55m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAG→OSR fares Phone-only fares on this route — call free
Flight time details
4,312 miles nonstop takes roughly 8h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAG — Niagara Falls International Airport · Niagara Falls, United States
- OSR — Ostrava Leos Janáček Airport · Ostrava, Czech Republic
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 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
Near OSR
- PRV · Přerov Air Base37 mi away
- ILZ · Žilina Airport39 mi away
- UHE · Kunovice Airport55 mi away
- KTW · Katowice International Airport69 mi away
Frequently asked questions
How far is IAG from OSR?
The flight distance from Niagara Falls (IAG) to Ostrava (OSR) is 4,312 miles (6,940 km, 3,747 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAG to OSR?
A nonstop flight takes about 8h 55m 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 Niagara Falls and Ostrava?
Ostrava is 6 hours ahead of Niagara Falls.
What is the cheapest way to fly from IAG to OSR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAG–OSR that never appear on search engines, with no booking fees.