Good to know - Cheap tickets Denver — Ontario
| Cheapest flight found | $20 |
|---|---|
| Minimal flight time | 2h 8m |
| Flight distance | 1289 km |
| Most popular airline | Air Transport International |
Airfare Denver – Ontario by month
Here you can find out in what months how much a ticket Denver – Ontario costs to buy cheap plane tickets.
| Month | One-way | Round-trip |
|---|---|---|
| February 2026 | ||
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| December 2025 | ||
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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 Denver — Ontario
| Departure | Arrival | Flight days | Flight | Airlines | Flight time | Airports | |
|---|---|---|---|---|---|---|---|
| 03:02 | 04:17 | tue, wed | 5X804 | UPS | 2h 15m | Denver International Airport — Ontario International Airport | Select dates |
| 07:00 | 08:13 | tue, wed | 5X2805 | UPS | 2h 13m | Denver International Airport — Ontario International Airport | Select dates |
| 07:50 | 09:10 | fri, sat | WN2571 | Southwest Airlines | 2h 20m | Denver International Airport — Ontario International Airport | Select dates |
| 08:15 | 09:40 | thu | WN2576 | Southwest Airlines | 2h 25m | Denver International Airport — Ontario International Airport | Select dates |
| 08:20 | 09:50 | sun | WN1968 | Southwest Airlines | 2h 30m | Denver International Airport — Ontario International Airport | Select dates |
| 08:45 | 10:20 | wed | 8C3331 | Air Transport International | 2h 35m | Denver International Airport — Ontario International Airport | Select dates |
| 08:45 | 10:03 | tue | 8C3331 | Air Transport International | 2h 18m | Denver International Airport — Ontario International Airport | Select dates |
| 08:46 | 10:11 | sat | 8C3331 | Air Transport International | 2h 25m | Denver International Airport — Ontario International Airport | Select dates |
| 08:46 | 10:16 | fri | 8C3331 | Air Transport International | 2h 30m | Denver International Airport — Ontario International Airport | Select dates |
| 09:16 | 10:41 | sun | 8C3331 | Air Transport International | 2h 25m | Denver International Airport — Ontario International Airport | Select dates |
Popular airlines flying Denver — Ontario
Flight Denver – Ontario is served by 10 airlines. 5 airlines operate direct flights.
Airlines with direct flights
Other airlines flying with transfers
Flights Denver — Ontario
The selection of cheap flights Denver — Ontario
Here you can find and purchase the cheapest flights Denver — Ontario from $20 and Denver — Ontario — Denver from $31.
The price of the flight Denver — Ontario (United States) — Denver from $31 (round-trip).
The average price of the flight Denver — Ontario (United States) — Denver $139 (round-trip).
- Departure city: Denver
- IATA code of the city of origin: DEN
- Departure airports: Centennial Airport, Buffalo Municipal Airport, Denver International Airport
- Departure country: United States
- Destination city: Ontario
- IATA code of the destination city: ONT
- Destination airports: Ontario International Airport, International Heliport
- Destination country: United States
Low cost flights Denver — Ontario (DEN — ONT)
The distance between Denver and Ontario 801 miles (or 1289 kilometres).
The time difference between Denver and Ontario is 1 h.
Minimal flight time from Denver to Ontario 2h 8m.
LowCostClub always do a comparison of airfares Denver — Ontario with several airlines (include UPS, Southwest Airlines, Air Transport International). They will always give you all available options so you can find the cheapest flight to Ontario. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Denver — Ontario. Last week, for instance, the cheapest round-trip prices stood at $31 while the cheapest one-way price that was available within the last week cost $20
Routes from nearby cities to Ontario
A flight from a neighbouring city can help you save money on plane tickets.
Most often, they fly to Ontario from Gunnison, this is the closest city with an airport from Denver. The cheapest ticket can be bought for a flight departing from Colorado Springs from $110.
Popular International routes from Denver
Popular routes from Ontario
If you are going to fly from Ontario, then study the popular flights. The most popular flights from Ontario:
Popular domestic routes from Denver
FAQ about Denver — Ontario
Are there any direct flights Denver — Ontario?
Yes, they do: 5X804, 5X2805, WN2571, WN2576, WN1968, 8C3331, UA430, WN4721, WN533, F91499, 5X9820, UA425, 5X805, WN2578
Can we fly from Denver to Ontario?
Yes, you can fly from Denver to Ontario. Denver has 3 airports (Centennial Airport, Buffalo Municipal Airport, Denver International Airport) for flights. UPS, Southwest Airlines, Air Transport International, United Express, Frontier (Sammy the Squirrel Livery) depart from Denver on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Alaska Airlines, AlphaSky, American Airlines, Ameriflight, Atlas Air, Copa Airlines, Delta Air Lines, FedEx, NetJets, Volaris.
How long does it take to fly from Denver to Ontario?
A direct flight lasts an average of 2h 8m, during which time the aircraft covers a distance of 1289 km.
How much do flights Denver — Ontario cost?
The price of flights Denver — Ontario starts from $20.
What days does the plane fly Denver — Ontario?
Planes fly Denver — Ontario 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun
What airports are there in Denver and Ontario?
In Denver — Centennial Airport, Buffalo Municipal Airport, Denver International Airport. In Ontario — Ontario International Airport, International Heliport.
What flights are currently flying from Denver to Ontario?
The following flights fly between Denver and Ontario: 5X804, 5X2805, WN2571, WN2576, WN1968, 8C3331, 8C3331, 8C3331, 8C3331, 8C3331, 8C3331, UA430, UA430, UA430, UA430, UA430, UA430, WN4721, WN533, WN1968, WN533, F91499, F91499, 5X9820, WN2576, UA425, UA425, F91499, WN2571, 5X805, F91499, F91499, F91499, WN2578
What month is the cheapest to fly from Denver to Ontario?
High season is considered to be and the cheapest month is . Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Denver — Ontario flight deals.
Which airlines direct fly from Denver to Ontario?
The following airlines have direct flights Denver — Ontario: UPS, Southwest Airlines, Air Transport International, United Express, Frontier (Sammy the Squirrel Livery).
Which airlines fly from Denver to Ontario?
All the following airlines flights Denver — Ontario: Air Transport International, Alaska Airlines, AlphaSky, American Airlines, Ameriflight, Atlas Air, Copa Airlines, Delta Air Lines, FedEx, Frontier (Sammy the Squirrel Livery), NetJets, Southwest Airlines, United Express, UPS, Volaris.