Cheap flights from Ottawa to Niagara Falls

Cheapest current fares: $597 in August 2026 on connecting flights.

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Live fares · YOW → IAG

Cheapest month-by-month fares

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

Ottawa (YOW) → Niagara Falls (IAG)

  1. August 2026 $597

Frequently asked questions

  • What is the cheapest month to fly from Ottawa to Niagara Falls?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Ottawa (YOW) to Niagara Falls (IAG), with fares starting from $597.

  • What is the lowest current fare from YOW to IAG?

    The lowest currently-listed fare from Ottawa (YOW) to Niagara Falls (IAG) is $597 on 2026-08-14.

  • Is there a direct flight from Ottawa to Niagara Falls?

    There is currently no non-stop service from YOW 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.

Full route page: YOW → IAG Cheapest month to fly to Niagara Falls All flights from Ottawa All flights to Niagara Falls Flights to USA Visa-free with Canada passport