Cheap flights from Ontario, CA to Billings, MT
Flights starting at £105. Choose between United Airlines, Frontier Airlines, or Allegiant Air to find the best price.
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Tips to know when travelling to Billings
Cheapest one-way trip | £105 |
---|---|
Cheapest round-trip | £191 |
Average round-trip | £247 |
Includes rare itinerary | |
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, Frontier Airlines, Allegiant Air, Alaska Airlines, and Sun Country Airlines. Ontario and Billings have 66 direct flights per week.
Check-in for a flight from Ontario to Billings
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Billings
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 0°C | -7°C |
February | 0°C | -8°C |
March | 7°C | -2°C |
April | 12°C | 1°C |
May | 18°C | 6°C |
June | 24°C | 11°C |
July | 30°C | 16°C |
August | 29°C | 15°C |
September | 24°C | 10°C |
October | 14°C | 3°C |
November | 6°C | -2°C |
December | 0°C | -8°C |
14 day forecast
Frequently asked questions
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