Cheap Flights from Denver to Ontario
Cheap Flights from Denver to Ontario
Looking for cheap flights from Denver to Ontario? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Denver to Ontario vary by season, cabin, and date, but available award flights can start around 13,800 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Denver to Ontario for specific travel dates.
2026-11-25
DEN - ONT
Economy | 1 Stop
From 13,800 Pts + $5.6
2026-11-25
DEN - ONT
Economy | 1 Stop
From 13,800 Pts + $5.6
2026-11-25
DEN - ONT
Economy | 1 Stop
From 13,800 Pts + $5.6
2026-11-25
DEN - ONT
Economy | 1 Stop
From 13,800 Pts + $5.6
2026-11-25
DEN - ONT
Economy | 1 Stop
From 13,800 Pts + $5.6
2026-11-28
DEN - ONT
Economy | 1 Stop
From 13,800 Pts + $5.6
Denver to Ontario flight facts
Distance
818 mi
1,316 km in a straight line
Estimated flight time
about 2h 15m
In the air, for the straight-line distance
Time difference
−1h
Ontario is 1 hour behind Denver.
Airports in Denver
DEN · Denver Intl
Airports in Ontario
ONT · Ontario Intl
Nearby airport alternatives
Flights Denver - Santa Ana · Santa Ana is 30 mi from Ontario
Flights Denver - Long Beach · Long Beach is 36 mi from Ontario
Flights Denver - Burbank · Burbank is 44 mi from Ontario
Flights Denver - Los Angeles · Los Angeles is 47 mi from Ontario
Flights Denver - Palm Springs · Palm Springs is 65 mi from Ontario
Flights Denver - San Diego · San Diego is 94 mi from Ontario
Premium cabin flights from Denver to Ontario
Premium cabin
2026-12-17
DEN - ONT
First | Non stop | 9+ left
From 33,600 Pts + $5.6
Premium cabin
2026-11-21
DEN - ONT
Business | 1 Stop
From 28,500 Pts + $5.6
Premium cabin
2026-12-10
DEN - ONT
Business | 1 Stop
From 28,500 Pts + $5.6
Premium cabin
2026-11-30
DEN - ONT
Business | 1 Stop
From 29,000 Pts + $5.6
Premium cabin
2026-11-30
DEN - ONT
Business | 1 Stop
From 29,000 Pts + $5.6
Premium cabin
2026-11-30
DEN - ONT
Business | 1 Stop
From 29,000 Pts + $5.6
Selected hotels for your next stay
Hollywood (United States)
Dream Hollywood
From 15,000 Pts or $267
Los Angeles (United States)
Hotel Figueroa
From 15,000 Pts or $189
Newport Beach (United States)
Hyatt Regency Newport Beach
From 15,000 Pts or $249
Frequently Asked Questions
The cheapest route from Denver to Ontario depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Denver to Ontario.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Denver to Ontario.
Denver and Ontario are about 818 miles (1,316 km) apart in a straight line.
Flying the 818-mile straight-line distance takes about 2h 15m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Ontario is 1 hour behind Denver.
Departures from Denver: Denver Intl (DEN). Arrivals in Ontario: Ontario Intl (ONT).
Travelers searching this route also look at other popular routes into Ontario, plus the return trip when we track it. Fares and award space change daily.
Our mission is to provide
the simplest and best
points travel planning
experience. Yeah!
Our mission is to provide the simplest and best
points travel planning experience. Yeah!
