Cheap flights from Carlsbad, NM to Ontario, CA
Flights starting at $183. Choose between Advanced Air, Frontier Airlines, or Spirit Airlines to find the best price.
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Book your trip to arrive at Ontario International, or Montclair (Ontario). The most popular airlines for this route are Advanced Air, Frontier Airlines, Spirit Airlines, and Alaska Airlines. Carlsbad and Ontario have 49 direct flights per week.
Check-in for a flight from Carlsbad to Ontario
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Advanced Air | AN | No | No | |
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 |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 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
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