₹9,212 Cheap Flights from Ontario (ONT) to Denver (DEN)

View ₹9,212 flight on Tue, 23 Jun 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Denver International Airport (DEN)

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Cheap Flights from Ontario (ONT) to Denver (DEN)

Prices were available within the past 7 days and start at ₹9,212 for one-way flights and ₹18,424 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 23 May - Mon, 25 May
ONT
Ontario
DEN
Denver
₹18,424 Return, found 2 days ago
₹18,424
Return
found 2 days ago
Select Delta flight, departing Sat, 23 May from Ontario to Denver, returning Mon, 25 May, priced at ₹18,424 found 2 days ago
Delta
Sat, 23 May - Mon, 25 May
ONT
Ontario
DEN
Denver
₹21,257 Return, found 2 days ago
₹21,257
Return
found 2 days ago
Select Delta flight, departing Sat, 23 May from Ontario to Denver, returning Mon, 25 May, priced at ₹21,257 found 2 days ago
United
Sat, 23 May - Mon, 25 May
ONT
Ontario
DEN
Denver
₹22,176 Return, found 2 days ago
₹22,176
Return
found 2 days ago
Select United flight, departing Sat, 23 May from Ontario to Denver, returning Mon, 25 May, priced at ₹22,176 found 2 days ago
United
Sat, 23 May - Mon, 25 May
ONT
Ontario
DEN
Denver
₹24,084 Return, found 2 days ago
₹24,084
Return
found 2 days ago
Select United flight, departing Sat, 23 May from Ontario to Denver, returning Mon, 25 May, priced at ₹24,084 found 2 days ago
Delta
Wed, 13 May - Sat, 16 May
ONT
Ontario
DEN
Denver
₹24,599 Return, found 4 days ago
₹24,599
Return
found 4 days ago
Select Delta flight, departing Wed, 13 May from Ontario to Denver, returning Sat, 16 May, priced at ₹24,599 found 4 days ago
United
Mon, 25 May - Mon, 1 Jun
ONT
Ontario
DEN
Denver
₹25,003 Return, found 2 days ago
₹25,003
Return
found 2 days ago
Select United flight, departing Mon, 25 May from Ontario to Denver, returning Mon, 1 Jun, priced at ₹25,003 found 2 days ago
Delta
Wed, 13 May - Sat, 16 May
ONT
Ontario
DEN
Denver
₹25,717 Return, found 4 days ago
₹25,717
Return
found 4 days ago
Select Delta flight, departing Wed, 13 May from Ontario to Denver, returning Sat, 16 May, priced at ₹25,717 found 4 days ago
Delta
Wed, 13 May - Tue, 19 May
ONT
Ontario
DEN
Denver
₹25,765 Return, found 6 days ago
₹25,765
Return
found 6 days ago
Select Delta flight, departing Wed, 13 May from Ontario to Denver, returning Tue, 19 May, priced at ₹25,765 found 6 days ago
American Airlines
Mon, 25 May - Mon, 1 Jun
ONT
Ontario
DEN
Denver
₹25,928 Return, found 2 days ago
₹25,928
Return
found 2 days ago
Select American Airlines flight, departing Mon, 25 May from Ontario to Denver, returning Mon, 1 Jun, priced at ₹25,928 found 2 days ago
Delta
Fri, 15 May - Mon, 18 May
ONT
Ontario
DEN
Denver
₹26,951 Return, found 1 day ago
₹26,951
Return
found 1 day ago
Select Delta flight, departing Fri, 15 May from Ontario to Denver, returning Mon, 18 May, priced at ₹26,951 found 1 day ago

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city centre is 32 minutes. Flights from ₹35,301
DEN
Denver Intl.
Cheapest
Average driving time to city centre32 min
Flights from ₹35,301

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to DIA airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey from ONT to DIA airport was ₹18,424. Cheap tickets don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Denver Intl. Airport (DEN)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Ontario Airport to DIA airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ONT to Denver Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Denver Intl. Airport (DEN)?
Forget about a movie marathon on this flight — it's just 1,300 kilometres from Ontario to Denver. Find your seat, enjoy the in-flight service and you'll be touching down in no time.
Which airlines fly direct from Ontario Airport to DEN?
There are a few airlines that travel directly from Los Angeles - Ontario Intl. Airport (ONT) to Denver Intl. Airport (DEN). Southwest Airlines (WN) is a top choice, offering 117 flights on this route each month. Frontier Airlines (F9) is another popular choice. It operates 60 flights per month. Between these two airlines, you'll be able to find a great deal from Ontario to Denver.
Are Los Angeles - Ontario Intl. Airport (ONT) to DEN flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute flight deals between Los Angeles - Ontario Intl. Airport (ONT) and Denver Intl. Airport (DEN) are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publish their prices up to a year before the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking and be ready to pounce when the price dips.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Return price
₹18,424
Distance
1306 km
Average flight time
3 hours 25 mins

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