Flights to Ontario, CA, United States
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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
Cheapest month to fly to Ontario
Explore price trends for trips to Ontario
Showing prices in USD
| Annual Avg. Price | 51 USD |
| May 2024 | 23 USD |
| June 2024 | 23 USD |
| July 2024 | 23 USD |
| August 2024 | 23 USD |
| September 2024 | 23 USD |
| October 2024 | 23 USD |
| November 2024 | 24 USD |
| December 2024 | 84 USD |
| January 2025 | 84 USD |
| February 2025 | 84 USD |
| March 2025 | 84 USD |
| April 2025 | 113 USD |
Direct flights to Ontario
Find direct flights from anywhere to Ontario
- Washington, D.C. to Ontario from $187
- New Orleans to Ontario from $196
- St. Louis to Ontario from $196
- Indianapolis to Ontario from $203
- Chicago to Ontario from $204
- Puerto Vallarta to Ontario from $204
- Detroit to Ontario from $212
- Fort Lauderdale to Ontario from $218
- San José to Ontario from $226
- San Jose to Ontario from $233
- San Antonio to Ontario from $234
- Austin to Ontario from $236
- Nashville to Ontario from $237
- Boston to Ontario from $243
- Fayetteville to Ontario from $244
- Oakland to Ontario from $253
- Providence to Ontario from $255
- Atlanta to Ontario from $259
- Cincinnati to Ontario from $272
- Charlotte to Ontario from $274
- Omaha to Ontario from $284
- Des Moines to Ontario from $284
- El Paso to Ontario from $321
- Orlando to Ontario from $329
Airlines flying to Ontario
Best airlines flying to Ontario
- Hawaiian Airlines
- Lufthansa
- Eurowings
- United Airlines
- KLM Royal Dutch Airlines
- Turkish Airlines
- Starlux Airlines
- Air New Zealand
- easyJet
- Egyptair
- LATAM Airlines
- LOT Polish Airlines
- TAP Portugal
- Asiana Airlines
- Fiji Airways
- Cathay Pacific
- Tunisair
- Philippine Airlines
- WestJet
- ITA Airways
