Cheap flights from Chicago to Ontario from £71
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How much do flights to Ontario cost?
Cheapest one-way trip | £71 |
|---|---|
Cheapest round-trip | £134 |
Average round-trip | £224 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Key info about flying to Ontario
Weekly direct flights
Discover the top airlines offering direct flights from Chicago to Ontario in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Mon 09.02 | Tue 10.02 | Wed 11.02 | Thu 12.02 | Fri 13.02 | Sat 14.02 | Sun 15.02 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 0 total | Daily flights: 0 average | Most flights: 0 flights |
| Airline | Mon 16.02 | Tue 17.02 | Wed 18.02 | Thu 19.02 | Fri 20.02 | Sat 21.02 | Sun 22.02 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 0 total | Daily flights: 0 average | Most flights: 0 flights |
| Airline | Mon 23.02 | Tue 24.02 | Wed 25.02 | Thu 26.02 | Fri 27.02 | Sat 28.02 | Sun 01.03 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- | |
| Weekly flights: 0 total | Daily flights: 0 average | Most flights: 0 flights |
| Airline | Mon 02.03 | Tue 03.03 | Wed 04.03 | Thu 05.03 | Fri 06.03 | Sat 07.03 | Sun 08.03 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | 1 | 1 | 1 | 1 | |
| Weekly flights: 4 total | Daily flights: 0.57 average | Most flights: Thursday 1 flights |
Check-in for a flight from Chicago to Ontario
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Frontier Airlines | FFT | F9 | No |
| United Airlines | UAL | UA | No |
| Hawaiian Airlines | HAL | HA | No |
| Alaska Airlines | ASA | AS | No |
| Spirit Airlines | NKS | NK | No |
Online check-in is not available for these airlines.
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 | 19°C | 8°C |
| April | 23°C | 10°C |
| May | 25°C | 12°C |
| June | 29°C | 16°C |
| July | 32°C | 19°C |
| August | 33°C | 20°C |
| September | 31°C | 18°C |
| October | 27°C | 14°C |
| November | 22°C | 10°C |
| December | 17°C | 7°C |
14 day forecast
Ontario travel tips
Have botany classes at the Rancho Santa Ana Botanic Garden in Ontario
Pay $10 for admission at the Rancho Santa Ana Botanic Garden in Ontario and explore the largest botanic garden of California. You may want to try botany classes, or stop by for a free bird walk on the first Sunday and third Saturday of each month.
See one of 12 monuments to the pioneer woman in Ontario
When you walk Euclid Avenue in Ontario, come to the Madonna of the Trail, one of 12 monuments around America. It is a dedication to the hardy spirit of the pioneer woman. Take a selfie near the monument as the first photo of this collection.
Feel Latin vibes at El Pescador in Ontario
Relax at El Pescador at 636 N Euclid Avenue in Ontario. They order classic chimichanga or pescador fajitas; the Diablo cocktail with chili and mango will make your evening perfect. If you come on Saturdays and Sundays, you will enjoy live Latin music.
Frequently asked questions
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