Cheap flights from Ontario, CA to Niagara Falls, NY
Flights starting at $164. Choose between Allegiant Air, Frontier Airlines, or Spirit Airlines to find the best price.
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Tips to know when travelling to Niagara Falls
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Travelers usually depart from Ontario International, or Montclair (Ontario) when they travel from Ontario to Niagara Falls. Book your trip to arrive at Niagara Falls International, or Niagara Falls Bus stop. The most popular airlines for this route are Allegiant Air, Frontier Airlines, Spirit Airlines, Sun Country Airlines, and Alaska Airlines. Ontario and Niagara Falls have 90 direct flights per week.
Check-in for a flight from Ontario to Niagara Falls
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Niagara Falls
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -5°C |
February | 0°C | -5°C |
March | 5°C | -1°C |
April | 11°C | 3°C |
May | 18°C | 10°C |
June | 22°C | 15°C |
July | 26°C | 19°C |
August | 25°C | 18°C |
September | 22°C | 15°C |
October | 15°C | 9°C |
November | 8°C | 3°C |
December | 3°C | -1°C |
14 day forecast
Frequently asked questions
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