Cheap flights from Kauai, HI to Ontario, CA
Flights starting at $197. Choose between Hawaiian Airlines, Frontier Airlines, or Alaska Airlines to find the best price.
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Tips to know when travelling to Ontario
Cheapest one-way trip | $205 |
---|---|
Cheapest round-trip | $459 |
Average round-trip | $544 |
Most popular airline | Hawaiian Airlines |
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Book your trip to arrive at Ontario International, or Montclair (Ontario). The most popular airlines for this route are Hawaiian Airlines, Frontier Airlines, Alaska Airlines, Spirit Airlines, and United Airlines. Kauai and Ontario have 129 direct flights per week.
Check-in for a flight from Kauai to Ontario
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Hawaiian Airlines | HAL | HA | No | No |
Frontier Airlines | FFT | F9 | 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 |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | 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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