Cheap flights from San Francisco to Niagara Falls
Cheapest current fares: $289 in September 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Francisco (SFO) to Niagara Falls (IAG). Refreshed daily.
San Francisco (SFO) → Niagara Falls (IAG)
- September 2026 $289
- August 2026 $612
Frequently asked questions
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What is the cheapest month to fly from San Francisco to Niagara Falls?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from San Francisco (SFO) to Niagara Falls (IAG), with fares starting from $289.
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What is the lowest current fare from SFO to IAG?
The lowest currently-listed fare from San Francisco (SFO) to Niagara Falls (IAG) is $289 on 2026-09-05.
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Is there a direct flight from San Francisco to Niagara Falls?
There is currently no non-stop service from SFO 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.