What is the cheapest month to fly from Louisville to Niagara Falls?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Louisville (SDF) to Niagara Falls (IAG), with fares starting from $262.

What is the lowest current fare from SDF to IAG?

The lowest currently-listed fare from Louisville (SDF) to Niagara Falls (IAG) is $262 on 2026-08-09.

Is there a direct flight from Louisville to Niagara Falls?

There is currently no non-stop service from SDF to IAG. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Louisville to Niagara Falls

Cheapest current fares: $262 in August 2026 on connecting flights.

Last updated August 5, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Louisville (SDF) to Niagara Falls (IAG). Refreshed daily.

Louisville (SDF) → Niagara Falls (IAG)

August 2026 $262

Frequently asked questions

What is the cheapest month to fly from Louisville to Niagara Falls?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Louisville (SDF) to Niagara Falls (IAG), with fares starting from $262.
What is the lowest current fare from SDF to IAG?

The lowest currently-listed fare from Louisville (SDF) to Niagara Falls (IAG) is $262 on 2026-08-09.
Is there a direct flight from Louisville to Niagara Falls?

There is currently no non-stop service from SDF to IAG. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.