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Cheap flights from Colorado to Ontario from C$ 175

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
5 Nov — 12 Nov1
1 adult

Find flights from Colorado to Ontario within your budget

Customize your flight search to find flights from Colorado to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 2/12

10:42 p.m.-4:35 p.m.

1 stop15h 53m

C$ 175

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 11/11

5:40 p.m.-1:37 a.m.

1 stop5h 57m

C$ 202

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 11/11

11:59 p.m.-1:23 p.m.

2 stops11h 24m

C$ 214

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Mon 13/1

6:00 a.m.-5:51 p.m.

1 stop9h 51m

C$ 224

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Fri 3/1

4:34 p.m.-12:20 p.m.

2 stops17h 46m

C$ 238

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 13/2

2:49 p.m.-2:55 p.m.

2 stops22h 06m

C$ 369

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 21/11

11:20 p.m.-2:20 p.m.

2 stops13h 00m

C$ 195

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 31/12

11:35 a.m.-11:43 p.m.

1 stop10h 08m

C$ 394

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Tue 14/1

7:30 a.m.-5:08 p.m.

1 stop7h 38m

C$ 216

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 14/1

7:00 a.m.-7:13 p.m.

1 stop10h 13m

C$ 262

Flights are sorted by cheapest first

Deals found on 31/10

Showing 1-10 of 52 results
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Find flight deals from Colorado to Ontario

Cheapest flights from Colorado to Ontario
Explore the most affordable flight options available from Colorado to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Tue 3/127:39 p.m.DEN - YYZ
1 stop8h 03mMultiple Airlines
Wed 11/128:00 p.m.YYZ - DEN
1 stop15h 29mMultiple Airlines
Deal found 29/10C$ 365
Mon 25/116:48 p.m.DEN - YUL
1 stop19h 47mMultiple Airlines
Tue 3/125:35 p.m.YUL - DEN
1 stop17h 54mMultiple Airlines
Deal found 30/10C$ 440
Wed 4/128:55 p.m.DEN - YTZ
1 stop15h 12mMultiple Airlines
Fri 6/121:10 p.m.YTZ - DEN
2 stops13h 31mMultiple Airlines
Deal found 30/10C$ 445
Thu 28/116:00 p.m.DEN - YOW
1 stop8h 57mAir Canada
Thu 5/1210:05 a.m.YOW - DEN
1 stop8h 33mAir Canada
Deal found 31/10C$ 461
Sat 23/117:20 p.m.DEN - YOW
1 stop13h 11mUnited Airlines
Tue 26/115:30 a.m.YOW - DEN
1 stop6h 58mUnited Airlines
Deal found 30/10C$ 467
Thu 14/119:20 a.m.COS - YUL
1 stop5h 48mUnited Airlines
Fri 15/118:05 a.m.YUL - COS
1 stop15h 52mUnited Airlines
Deal found 31/10C$ 474
Thu 5/124:10 p.m.DEN - YUL
1 stop19h 34mAmerican Airlines
Mon 9/127:30 a.m.YUL - DEN
1 stop16h 18mAmerican Airlines
Deal found 31/10C$ 629
Wed 11/126:00 a.m.COS - YYZ
1 stop7h 02mUnited Airlines
Wed 11/125:30 p.m.YYZ - COS
1 stop6h 10mUnited Airlines
Deal found 30/10C$ 648
Mon 16/1210:31 a.m.DEN - YYZ
1 stop10h 19mDelta
Sat 4/17:00 a.m.YYZ - DEN
1 stop11h 30mDelta
Deal found 30/10C$ 659
Sat 23/115:40 p.m.DEN - YYZ
Nonstop3h 12mAir Canada
Mon 25/112:45 p.m.YYZ - DEN
Nonstop3h 53mAir Canada
Deal found 30/10C$ 669
Wed 27/1112:21 a.m.DEN - YOW
1 stop15h 03mMultiple Airlines
Thu 5/124:05 p.m.YOW - DEN
2 stops25h 45mMultiple Airlines
Deal found 31/10C$ 672
Tue 3/127:20 a.m.DEN - YYZ
1 stop12h 09mAmerican Airlines
Tue 17/1211:37 a.m.YYZ - DEN
1 stop12h 59mAmerican Airlines
Deal found 30/10C$ 676

Best time to book a flight from Colorado to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Colorado to Ontario

Get recent, data-driven insights about flights from Colorado to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Colorado to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Colorado to Region of Ontario (average of C$ 178). Flying from Colorado to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to ON?

Find hourly flight availability from Colorado to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Region of Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 31 October 2024.
Get a feel of what it's like to fly with United Airlines, Alaska Airlines and Air Canada from Colorado to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,420 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,835 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,240 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,804 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,420 reviews
Check prices

Overall

8.0

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 202. Users have also found prices from C$ 214 and C$ 224 on United Airlines and Delta, respectively.

  • Can I find deals for flights from Colorado to Ontario that include hotel bookings?

    Yes. In addition to deals on Colorado to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Ontario.

  • Can I find deals for business class flights from Colorado to Ontario?

    Yes. Cheapflights offers flight deals from Colorado to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Colorado to Region of Ontario (average of C$ 178). Flying from Colorado to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Colorado to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Colorado to Ontario

Discover the top 2 airlines that operate flights from Colorado to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 262AverageC$ 575FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 438AverageC$ 1,041FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Colorado to Ontario?

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Why should you use Cheapflights to find cheap flight tickets from Colorado to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Colorado to Ontario.

Can Cheapflights find flights from Colorado to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Colorado to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Colorado to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Colorado to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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