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SJU to IAG: distance & flight time
San Juan (Luis Munoz Marin International Airport) → Niagara Falls (Niagara Falls International Airport)
1,864 mi
3,000 km · 1,620 nm
4h 7m
estimated nonstop flight time
Same time
time difference · heading north
See live SJU→IAG fares Phone-only fares on this route — call free
Flight time details
1,864 miles nonstop takes roughly 4h 7m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SJU — Luis Munoz Marin International Airport · San Juan, Puerto Rico
- 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 SJU
- SIG · Fernando Luis Ribas Dominicci Airport6 mi away
- FAJ · Diego Jimenez Torres Airport24 mi away
- NRR · José Aponte de la Torre Airport27 mi away
- VQS · Vieques Airport44 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 SJU from IAG?
The flight distance from San Juan (SJU) to Niagara Falls (IAG) is 1,864 miles (3,000 km, 1,620 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SJU to IAG?
A nonstop flight takes about 4h 7m 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 cheapest way to fly from SJU to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SJU–IAG that never appear on search engines, with no booking fees.