Good to know - Cheap tickets Ontario — Denver
| Minimal flight time | 1h 58m |
|---|---|
| Flight distance | 1289 km |
| Most popular airline | United Express |
| Round-trip from | $27 |
Airfare Ontario – Denver by month
Here you can find out in what months how much a ticket Ontario – Denver costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| December 2026 | ||
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Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.
Schedule of direct flights Ontario — Denver
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 01:40 | 04:38 | tue, wed | 5X806 | UPS | 1h 58m | Ontario International Airport — Denver International Airport | Select dates |
| 01:40 | 04:46 | wed, fri | 5X806 | UPS | 2h 6m | Ontario International Airport — Denver International Airport | Select dates |
| 01:40 | 04:58 | thu | 5X806 | UPS | 2h 18m | Ontario International Airport — Denver International Airport | Select dates |
| 05:00 | 08:16 | daily | UA2446 | United Express | 2h 16m | Ontario International Airport — Denver International Airport | Select dates |
| 05:15 | 08:32 | mon, tue, thu, fri, sat, sun | UA2446 | United Express | 2h 17m | Ontario International Airport — Denver International Airport | Select dates |
| 05:50 | 09:00 | mon, thu, fri | WN4129 | Southwest Airlines | 2h 10m | Ontario International Airport — Denver International Airport | Select dates |
| 06:00 | 09:20 | fri, sat | F91500 | Frontier (Penny the Owl Livery) | 2h 20m | Ontario International Airport — Denver International Airport | Select dates |
| 06:05 | 09:25 | thu | F91500 | Frontier (Penny the Owl Livery) | 2h 20m | Ontario International Airport — Denver International Airport | Select dates |
| 06:10 | 09:30 | mon, sun | F91500 | Frontier (Penny the Owl Livery) | 2h 20m | Ontario International Airport — Denver International Airport | Select dates |
| 06:15 | 09:35 | mon, tue, wed, fri, sat, sun | F91500 | Frontier (Penny the Owl Livery) | 2h 20m | Ontario International Airport — Denver International Airport | Select dates |
Popular airlines flying Ontario — Denver
Flight Ontario – Denver is served by 9 airlines. 4 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Dynamics airfare Ontario — Denver by month for the last year
according to LowCost.Club for the last year
The airfare depends on the departure date. Our chart shows the low season prices on route Ontario — Denver
The graph shows that booking flights Ontario — Denver is best planned for March and flights Ontario — Denver — Ontario in the month of April.
Flights Ontario — Denver
The selection of cheap flights Ontario — Denver
The price of the flight Ontario — Denver (United States) — Ontario from $27 (round-trip).
The average price of the flight Ontario — Denver (United States) — Ontario $155 (round-trip).
- Departure city: Ontario
- IATA code of the city of origin: ONT
- Departure airports: Ontario International Airport, International Heliport
- Departure country: United States
- Destination city: Denver
- IATA code of the destination city: DEN
- Destination airports: Centennial Airport, Buffalo Municipal Airport, Denver International Airport
- Destination country: United States
Low cost flights Ontario — Denver (ONT — DEN)
The distance between Ontario and Denver 801 miles (or 1289 kilometres).
The time difference between Ontario and Denver is 1 h.
Minimal flight time from Ontario to Denver 1h 58m.
Routes from nearby cities to Denver
A flight from a neighbouring city can help you save money on plane tickets.
The closest airports to Ontario with a flight to Denver are in Las Vegas.
Popular International routes from Ontario
Popular routes from Denver
If you are going to fly from Denver, then study the popular flights. The most popular flights from Denver:
Popular domestic routes from Ontario
FAQ about Ontario — Denver
Are there any direct flights Ontario — Denver?
Yes, they do: 5X806, UA2446, WN4129, F91500, WN2220, WN4132, WN2442, WN787, WN3612, WN4671, 5X5806, WN542, UA1263
Can we fly from Ontario to Denver?
Yes, you can fly from Ontario to Denver. Ontario has 2 airports (Ontario International Airport, International Heliport) for flights. UPS, United Express, Southwest Airlines, Frontier (Penny the Owl Livery) depart from Ontario on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Alaska Airlines, Alpine Air Express, Amazon Air, American Eagle, Delta Connection, FedEx, NetJets, SkyWest Airlines, Volaris.
How long does it take to fly from Ontario to Denver?
A direct flight lasts an average of 1h 58m, during which time the aircraft covers a distance of 1289 km.
How much do flights Ontario — Denver cost?
The price of flights Ontario — Denver starts from $27.
What days does the plane fly Ontario — Denver?
Planes fly Ontario — Denver 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Ontario and Denver?
In Ontario — Ontario International Airport, International Heliport. In Denver — Centennial Airport, Buffalo Municipal Airport, Denver International Airport.
What flights are currently flying from Ontario to Denver?
The following flights fly between Ontario and Denver: 5X806, 5X806, 5X806, UA2446, UA2446, WN4129, F91500, F91500, F91500, F91500, WN4129, WN2220, F91500, WN4132, F91500, WN2442, WN787, WN3612, WN4671, 5X5806, 5X5806, WN4671, WN542, UA1263, UA1263, WN787, WN787, WN787
What month is the cheapest to fly from Ontario to Denver?
High season is considered to be September and the cheapest month is March. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Ontario — Denver flight deals.
Which airlines direct fly from Ontario to Denver?
The following airlines have direct flights Ontario — Denver: UPS, United Express, Southwest Airlines, Frontier (Penny the Owl Livery).
Which airlines fly from Ontario to Denver?
All the following airlines flights Ontario — Denver: Alaska Airlines, Alpine Air Express, Amazon Air, American Eagle, Delta Connection, FedEx, Frontier (Penny the Owl Livery), NetJets, SkyWest Airlines, Southwest Airlines, United Express, UPS, Volaris.