Cheap flights from Denver to Ontario from £40
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Prices updated:
Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
How much do flights to Ontario cost?
Key info about flying to Ontario
Weekly direct flights
Discover the top airlines offering direct flights from Denver to Ontario in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Mon 30.06 | Tue 01.07 | Wed 02.07 | Thu 03.07 | Fri 04.07 | Sat 05.07 | Sun 06.07 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | 3 | 2 | 2 | 3 | |
| --- | --- | --- | --- | 1 | 2 | 2 | |
| Weekly flights: 15 total | Daily flights: 2.14 average | Most flights: Thursday 3 flights |
| Airline | Mon 07.07 | Tue 08.07 | Wed 09.07 | Thu 10.07 | Fri 11.07 | Sat 12.07 | Sun 13.07 |
|---|---|---|---|---|---|---|---|
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| Weekly flights: 34 total | Daily flights: 4.86 average | Most flights: Tuesday 3 flights |
| Airline | Mon 14.07 | Tue 15.07 | Wed 16.07 | Thu 17.07 | Fri 18.07 | Sat 19.07 | Sun 20.07 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| Weekly flights: 35 total | Daily flights: 5 average | Most flights: Monday 3 flights |
| Airline | Mon 21.07 | Tue 22.07 | Wed 23.07 | Thu 24.07 | Fri 25.07 | Sat 26.07 | Sun 27.07 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| Weekly flights: 35 total | Daily flights: 5 average | Most flights: Monday 3 flights |
Check-in for a flight from Denver 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 |
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 | 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
Ontario travel tips
Go to the Chaffey Community Museum of Art at 217 S Lemon Avenue in Ontario to get some inspiration. Exhibits always change there, but a few permanent ones are worth seeing. Check out the "Gem of the Foothills" that promotes the city's unique history and the "Road Ways" about American society.
Head to 3505 Merrill Avenue in Ontario to try desserts with tasty homemade cream. There is an option for everyone: lemon meringue, chocolate cream, German chocolate, double cream blueberry, or custard.
Head to the DoubleTree by Hilton at 222 N Vineyard Avenue in Ontario to solve some mysteries during the dinner. This is where the largest interactive murder mystery comedy dinner show in the U.S. takes place. You will get a unique experience with popular professional actors.
Frequently asked questions
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