Cheap flights from Ontario to Colorado

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Washington (WAS)
Denver (DEN)
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How to find the cheapest flight from
Ontario to Colorado

All the information you need to plan the best null to DEN flight in 2021: compare Ontario to Colorado flight prices with the expected peak season, weather and rainfall in Colorado.
How far in advance should I book a flight from Ontario to Colorado?

Travellers have found it’s best to book a flight 48 days in advance to save up to 26% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to Colorado 1-2 weeks in advance for as low as C$ 693, or C$ 824 for flights within the next 24 hours.

What is the cheapest month to fly from Ontario to Colorado?

Our data shows that August tends to be the cheapest month to fly to Colorado from Ontario. Users have commonly found prices around C$ 612 for the month, but tickets can be as low as C$ 365. Due to multiple factors, prepare for potentially higher prices in February.

Cheap flights from Ontario to Colorado in June, July 2021

The best prices found for Ontario to Colorado flights for June, July
11 Jul - 21 Jul
C$ 379pp
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
DEN
Denver Intl
DEN
Denver Intl
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
13 Jul - 23 Jul
C$ 380pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
8 Jul - 12 Aug
C$ 381pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Ontario to Colorado 2021 flight deals

Cheap flights to Colorado from Ontario found for this year
3 Nov - 4 Nov
C$ 373pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
3 Nov - 4 Nov
C$ 375pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
16 Sep - 23 Sep
C$ 376pp
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
DEN
Denver Intl
DEN
Denver Intl
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl

Direct flights to Colorado from Ontario

Save time with Ontario to Colorado direct flight deals
21 Jul - 26 Jul
C$ 425pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
14 Aug - 24 Aug
C$ 427pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
14 Aug - 24 Aug
C$ 429pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl

Last minute flights from Ontario to Colorado

Late deals on round-trip flights to Colorado from Ontario, departing today and this week
26 Jun - 10 Jul
C$ 396pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
26 Jun - 10 Jul
C$ 404pp
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
26 Jun - 10 Jul
C$ 417pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

One-way flights to Colorado from Ontario

The cheapest one-way flights from Ontario to Colorado
6:25 a.m. - 1:59 p.m.
Delta
1 stop
9h 34m
YYZ - DEN
Delta
C$ 260
Delta
12:55 p.m. - 6:33 p.m.
Multiple Airlines
1 stop
7h 38m
YYZ - DEN
Multiple Airlines
C$ 273
Gate1.ca
2:15 a.m. - 5:59 p.m.
American Airlines
2 stops
17h 44m
YYZ - DEN
American Airlines
C$ 276

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Colorado</span> flights.

Flight FAQs

From Ontario to Colorado

Can I find flights from Ontario to Colorado for under C$ 374 on Cheapflights?

Yes, there are multiple flights from Ontario to Colorado for under C$ 374. The cheapest flight booked recently is on American Airlines for just C$ 373, but on average you can expect to pay C$ 385.

Which airlines flying from Ontario to Colorado have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to Colorado that may be offering flexible cancellation policies are Air Canada, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Are there direct flights from Ontario to Colorado for under C$ 498 on Cheapflights?

Cheapflights has 11 direct flights from Ontario to Colorado under C$ 498. A good price for a direct flight from Ontario to Colorado is less than C$ 629.

Are there last-minute flights available from Ontario to Colorado for under C$ 498?

There are currently 20+ open flights from Ontario to Colorado within the next 7 days for less than C$ 498.

What are the most popular airlines that fly from Ontario to Colorado?

When booking a flight from Ontario to Colorado, you may want to consider flying on Major Airline, American Airlines or Air Canada as they are the most popular for this route.

What are the most popular routes from Ontario to Colorado?

The most popular route from Ontario to Colorado is Toronto Pearson Intl - Denver Intl. You may also consider Toronto Island - Denver Intl or Toronto Island - Colorado Springs.

What are the cheapest flights from Ontario to Colorado?

Looking at all options, your cheapest flight can be booked for C$ 200. While the most popular route (Toronto Pearson Intl - Denver Intl) can be booked for C$ 381 on average our data indicates C$ 868 when flying from Ontario to Colorado

What are the most reliable airlines from Ontario to Colorado?

No one likes to see their flight delayed. When booking a flight from Ontario to Colorado consider choosing Air Canada (100%), Austrian Airlines (100%) or Turkish Airlines (100%) as they are the most reliable in getting you off to your destination on time.

How long is the flight from Ontario to Colorado?

Departing from Ontario to Colorado will take you 3h 35m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Ontario to Colorado round-trip?

Currently priced at C$ 373, American Airlines will fly you from Ontario to Colorado and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from C$ 378 and C$ 382, respectively.

What are the cheapest airlines to fly from Ontario to Colorado one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as C$ 221. However, be on the lookout for offers from Delta and Air Canada, as they are both options that can get you from Ontario to Colorado for a low price.

Destination points for flights from Ontario to Colorado

Select to see more specific information for flights from Ontario to all places in Colorado.

Destination information for Colorado

Things to know before you go - useful duration and weather info for your trip from Ontario to Colorado.
Today's exchange rate
C$ 1 = $0.81
Flight duration
3h 22m

Airports servicing

Chatham-Kent (XCM)
Fort Frances (YAG)
Sault Ste Marie (YAM)
Attawapiskat (YAT)
Fort Albany (YFA)
Kingston, Ontario (YGK)

Airports servicing

Cortez Montezuma County (CEZ)
Colorado Springs (COS)
Denver (DEN)
Durango La Plata County (DRO)
Vail Eagle County (EGE)
Loveland Northern Colorado (FNL)

Top 5 airlines flying from Ontario to Colorado

The chart below displays the airlines Cheapflights users travelling from Ontario to Colorado choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
WestJet
C$ 98 C$ 325 No cancel fee 60%
Search WestJet flights
American Airlines
C$ 97 C$ 413 No cancel fee 71%
Search American Airlines flights
Delta
C$ 133 C$ 430 No cancel fee N/A
Search Delta flights
Air Canada
C$ 230 C$ 541 No cancel fee 67%
Search Air Canada flights
United Airlines
C$ 210 C$ 543 No cancel fee 69%
Search United Airlines flights
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