Cheap flights from Sioux Falls, SD to Ontario, CA
Flights starting at £45. Choose between Frontier Airlines, United Airlines, or Allegiant Air to find the best price.
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Tips to know when travelling to Ontario
Cheapest one-way trip | £237 |
---|---|
Cheapest round-trip | £427 |
Most popular airline | Frontier Airlines |
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The most popular airlines for this route are Frontier Airlines, United Airlines, Allegiant Air, Spirit Airlines, and BREEZE. Sioux Falls and Ontario have 92 direct flights per week.
Check-in for a flight from Sioux Falls to Ontario
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Allegiant Air | AAY | G4 | 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 |
BREEZE | MX | No | No |
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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