Cheap flights from Niagara Falls, NY to Ontario, CA
Flights starting at $140. Choose between Allegiant Air, Frontier Airlines, or Spirit Airlines to find the best price.
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Tips to know when travelling to Ontario
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Travelers usually depart from Niagara Falls International, or Niagara Falls Bus stop when they travel from Niagara Falls to Ontario. Book your trip to arrive at Ontario International, or Montclair (Ontario). The most popular airlines for this route are Allegiant Air, Frontier Airlines, Spirit Airlines, Sun Country Airlines, and Ravn Alaska. Niagara Falls and Ontario have 85 direct flights per week.
Check-in for a flight from Niagara Falls to Ontario
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 |
Ravn Alaska | 7H | Yes | Opens 24 days before flight Closes 2 hours before flight |
Weather in Ontario
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 7°C |
February | 18°C | 7°C |
March | 20°C | 8°C |
April | 23°C | 10°C |
May | 25°C | 13°C |
June | 29°C | 16°C |
July | 33°C | 19°C |
August | 33°C | 20°C |
September | 32°C | 18°C |
October | 27°C | 15°C |
November | 22°C | 10°C |
December | 17°C | 7°C |
14 day forecast
Frequently asked questions
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Airports near Niagara Falls
- Toronto Pearson International
- Billy Bishop Toronto City
- Syracuse Hancock International
- Buffalo Niagara International
- Greater Rochester International
- John C. Munro Hamilton International
- Region of Waterloo International
- London International
- Niagara Falls International
- Elmira/Corning Regional