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IDA to IAG: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Niagara Falls (Niagara Falls International Airport)
1,654 mi
2,663 km · 1,438 nm
3h 43m
estimated nonstop flight time
+2h
time difference · heading east
See live IDA→IAG fares Phone-only fares on this route — call free
Flight time details
1,654 miles nonstop takes roughly 3h 43m 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
- IDA — Idaho Falls Regional Airport · Idaho Falls, 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 IDA
- PIH · Pocatello Regional Airport49 mi away
- JAC · Jackson Hole Airport67 mi away
- WYS · Yellowstone Airport94 mi away
- BYI · Burley Municipal Airport109 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 IDA from IAG?
The flight distance from Idaho Falls (IDA) to Niagara Falls (IAG) is 1,654 miles (2,663 km, 1,438 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to IAG?
A nonstop flight takes about 3h 43m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IDA to IAG?
Nonstop service on IDA–IAG depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 43m nonstop estimate.
What is the time difference between Idaho Falls and Niagara Falls?
Niagara Falls is 2 hours ahead of Idaho Falls.
What is the cheapest way to fly from IDA to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–IAG that never appear on search engines, with no booking fees.
Why are some IDA to IAG fares phone-only?
Consolidator contracts let us sell certain IDA–IAG tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.