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ONO to IAG: distance & flight time
Ontario (Ontario Municipal Airport) → Niagara Falls (Niagara Falls International Airport)
1,890 mi
3,041 km · 1,642 nm
4h 10m
estimated nonstop flight time
+2h
time difference · heading east
See live ONO→IAG fares Phone-only fares on this route — call free
Flight time details
1,890 miles nonstop takes roughly 4h 10m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from IAG?
The flight distance from Ontario (ONO) to Niagara Falls (IAG) is 1,890 miles (3,041 km, 1,642 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to IAG?
A nonstop flight takes about 4h 10m 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 Ontario and Niagara Falls?
Niagara Falls is 2 hours ahead of Ontario.
What is the cheapest way to fly from ONO to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–IAG that never appear on search engines, with no booking fees.