Cheap flights from Denver, CO to Ontario, CA
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Tips to know when travelling to Ontario
Cheapest one-way trip | £27 |
|---|---|
Cheapest round-trip | £49 |
Average round-trip | £80 |
Nonstop flights in June | £27 – £179 |
Most popular airline | United Airlines |
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One-way trips
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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 table.
Weekly direct flights for Mon 10.06 - Sun 16.06
| Airline | Mon 10.06 | Tue 11.06 | Wed 12.06 | Thu 13.06 | Fri 14.06 | Sat 15.06 | Sun 16.06 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 2 | 3 | |
| 3 | 2 | 2 | 2 | 3 | 1 | 2 |
Weekly direct flights for Mon 17.06 - Sun 23.06
| Airline | Mon 17.06 | Tue 18.06 | Wed 19.06 | Thu 20.06 | Fri 21.06 | Sat 22.06 | Sun 23.06 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 3 | 3 | 2 | 3 | |
| 2 | 2 | 2 | 2 | 3 | 2 | 2 |
Weekly direct flights for Mon 24.06 - Sun 30.06
| Airline | Mon 24.06 | Tue 25.06 | Wed 26.06 | Thu 27.06 | Fri 28.06 | Sat 29.06 | Sun 30.06 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 2 | 3 | 3 | 3 | 3 | |
| 2 | 2 | --- | 2 | 3 | 2 | 2 |
Weekly direct flights for Mon 01.07 - Sun 07.07
| Airline | Mon 01.07 | Tue 02.07 | Wed 03.07 | Thu 04.07 | Fri 05.07 | Sat 06.07 | Sun 07.07 |
|---|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 2 | 2 | 3 | 3 | |
| 3 | 2 | 2 | 2 | 3 | 2 | 2 |
Check-in for a flight from Denver to Ontario
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes | No |
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Ontario travel tips
1) Watch a few interesting exhibitions at the Chaffey Community Museum of Art in Ontario | 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. |
|---|---|
2) Check out homemade desserts at Marie Callender's in Ontario | 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. |
3) Reveal the crime at the DoubleTree by Hilton in Ontario | 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. |
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 | 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
Frequently asked questions
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