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STP to IAG: distance & flight time
St. Paul (St Paul Downtown Holman Field) → Niagara Falls (Niagara Falls International Airport)
712 mi
1,145 km · 618 nm
2h 1m
estimated nonstop flight time
+1h
time difference · heading east
See live STP→IAG fares Phone-only fares on this route — call free
Flight time details
712 miles nonstop takes roughly 2h 1m 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
- STP — St Paul Downtown Holman Field · St. Paul, 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 STP
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 STP from IAG?
The flight distance from St. Paul (STP) to Niagara Falls (IAG) is 712 miles (1,145 km, 618 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STP to IAG?
A nonstop flight takes about 2h 1m 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 St. Paul and Niagara Falls?
Niagara Falls is 1 hour ahead of St. Paul.
What is the cheapest way to fly from STP to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STP–IAG that never appear on search engines, with no booking fees.