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SEP to IAG: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Niagara Falls (Niagara Falls International Airport)
1,288 mi
2,073 km · 1,119 nm
3h 16m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SEP→IAG fares Phone-only fares on this route — call free
Flight time details
1,288 miles nonstop takes roughly 3h 16m gate to gate, flying northeast. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 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 SEP from IAG?
The flight distance from Stephenville (SEP) to Niagara Falls (IAG) is 1,288 miles (2,073 km, 1,119 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to IAG?
A nonstop flight takes about 3h 16m 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 Stephenville and Niagara Falls?
Niagara Falls is 1 hour ahead of Stephenville.
What is the cheapest way to fly from SEP to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–IAG that never appear on search engines, with no booking fees.