Cheap flights from Ontario to Colorado

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Boston (BOS)
Denver (DEN)
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How to find the cheapest flight from
Ontario to 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$ 698, or C$ 830 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$ 617 for the month, but tickets can be as low as C$ 368. Due to multiple factors, prepare for potentially higher prices in February.

Cheap flights from Ontario to Colorado in February, March 2021

23 Mar - 6 Apr
C$ 345pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
23 Mar - 6 Apr
C$ 347pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
26 Mar - 2 Apr
C$ 354pp
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

21 Oct - 23 Oct
C$ 345pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
26 May - 9 Jun
C$ 347pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
21 Oct - 23 Oct
C$ 348pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
COS
Colorado Springs
COS
Colorado Springs
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Direct flights to Colorado from Ontario

28 Jun - 11 Jul
C$ 470pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
26 May - 17 Jun
C$ 473pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
9 Jun - 12 Jun
C$ 485pp
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

5 Mar - 7 Mar
C$ 550pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
5 Mar - 7 Mar
C$ 560pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
5 Mar - 7 Mar
C$ 566pp
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
DEN
Denver Intl
DEN
Denver Intl
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl

One-way flights to Colorado from Ontario

8:30 p.m. - 6:38 a.m.
Air Canada
1 stop
12h 08m
YYZ - DEN
Air Canada
C$ 311
CheapFlights
2:14 a.m. - 5:03 p.m.
American Airlines
3 stops
16h 49m
YYZ - DEN
American Airlines
C$ 338
4:09 a.m. - 2:45 p.m.
Multiple Airlines
2 stops
36h 36m
YYZ - DEN
Multiple Airlines
C$ 345
Kiwi.com

Related info for your journey

Flight FAQs

From Ontario to Colorado

Can I find flights from Ontario to Colorado for under C$ 377 on Cheapflights?

Yes, there are multiple flights from Ontario to Colorado for under C$ 377. The cheapest flight booked recently is on American Airlines for just C$ 345, but on average you can expect to pay C$ 368.

What safety measures are being taken by airlines flying from Ontario to Colorado to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from Ontario to Colorado. Policies will vary by airline.

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$ 502 on Cheapflights?

Cheapflights has 5 direct flights from Ontario to Colorado under C$ 502. A good price for a direct flight from Ontario to Colorado is less than C$ 742.

Are there last-minute flights available from Ontario to Colorado for under C$ 628?

There are currently 20+ open flights from Ontario to Colorado within the next 7 days for less than C$ 628.

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 Ottawa - Denver Intl or Ottawa - Colorado Springs.

What are the cheapest flights from Ontario to Colorado?

Looking at all options, your cheapest flight can be booked for C$ 201. While the most popular route (Toronto Pearson Intl - Denver Intl) can be booked for C$ 404 on average our data indicates C$ 703 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 Jazz (85%), Turkish Airlines (77%) or United Airlines (77%) 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 38m. 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$ 346, 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 United Airlines and Air Canada - these airlines can fly you to your destination from C$ 363 and C$ 397, respectively.

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

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 205. However, be on the lookout for offers from American Airlines and United Airlines, 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

Destination information for Colorado

Today's exchange rate
C$ 1 = $0.80

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)
Eagle County Rgnl (EGE)
Loveland Northern Colorado (FNL)

Top 5 airlines flying from Ontario to Colorado

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
United Airlines
C$ 210 C$ 531 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 230 C$ 541 No cancel fee 67%
Search Air Canada flights
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