Cheap flights from Trenton, NJ to Ontario, CA
Flights starting at £86. Choose between Frontier Airlines, Spirit Airlines, or Ravn Alaska to find the best price.
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Tips to know when travelling to Ontario
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Book your trip to arrive at Ontario International, or Montclair (Ontario). The most popular airlines for this route are Frontier Airlines, Spirit Airlines, Ravn Alaska, Sun Country Airlines, and Allegiant Air. Trenton and Ontario have 153 direct flights per week.
Check-in for a flight from Trenton 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 |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Ravn Alaska | 7H | Yes | Opens 24 days before flight Closes 2 hours before flight | |
Sun Country Airlines | SCX | SY | Yes | No |
Allegiant Air | AAY | G4 | 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
Frequently asked questions
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Airports near Trenton
- John F. Kennedy International
- Newark Liberty International
- Philadelphia International
- LaGuardia
- Baltimore–Washington International
- New York Stewart International Airport
- Ronald Reagan Washington National
- Long Island MacArthur
- Trenton–Mercer
- Atlantic City International