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Cheap flights from Ontario to Colorado from C$ 188

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DEN
24 Dec — 31 Dec1
1 adult

Cheap flight deals from Ontario to Colorado

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Colorado (USCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2024.

Round-trip from

C$ 374

One-way from

C$ 188
United Airlines
  • United Airlines
  • 16/1-30/1
  • 2 total stops
  • 16h 10m total
  • Ontario to Colorado
Search Deals
13/1
  • 13/1
  • 1 total stop
  • 29h 16m total
  • Ontario to Colorado
Search Deals

Find flight deals from Ontario to Colorado

Cheapest flights from Ontario to Colorado
Explore the most affordable flight options available from Ontario to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Mon 30/1210:35 p.m.YYZ - DEN
2 stops31h 19mMultiple Airlines
Tue 14/16:00 a.m.DEN - YYZ
1 stop13h 50mMultiple Airlines
Deal found 18/12C$ 522
Mon 30/128:35 a.m.YYZ - DEN
Nonstop3h 53mAir Canada
Tue 14/15:40 p.m.DEN - YYZ
Nonstop3h 12mAir Canada
Deal found 18/12C$ 852
Tue 24/129:20 a.m.YOW - DEN
2 stops13h 42mMultiple Airlines
Tue 31/1210:26 p.m.DEN - YOW
1 stop16h 19mMultiple Airlines
Deal found 18/12C$ 876
Fri 27/126:45 a.m.YUL - DEN
2 stops27h 07mMultiple Airlines
Fri 3/110:21 p.m.DEN - YUL
1 stop16h 14mMultiple Airlines
Deal found 18/12C$ 985
Sat 28/122:45 p.m.YYZ - DEN
Nonstop3h 53mUnited Airlines
Fri 3/15:40 p.m.DEN - YYZ
Nonstop3h 12mUnited Airlines
Deal found 18/12C$ 985
Mon 30/1210:30 a.m.YYZ - DEN
2 stops30h 44mWestJet
Tue 14/16:05 p.m.DEN - YYZ
2 stops23h 01mWestJet
Deal found 18/12C$ 1,018
Mon 23/124:10 p.m.YYZ - EGE
1 stop5h 51mUnited Airlines
Tue 31/129:20 a.m.EGE - YYZ
1 stop8h 25mUnited Airlines
Deal found 18/12C$ 1,030
Sun 22/125:45 a.m.YOW - DEN
1 stop6h 50mAir Canada
Wed 1/111:15 a.m.DEN - YOW
1 stop6h 07mAir Canada
Deal found 18/12C$ 1,049
Wed 25/126:15 a.m.YYZ - DEN
1 stop9h 17mAmerican Airlines
Fri 27/125:00 a.m.DEN - YYZ
1 stop9h 19mAmerican Airlines
Deal found 18/12C$ 1,104
Wed 25/126:00 a.m.YYZ - DEN
1 stop10h 10mDelta
Thu 26/1212:20 a.m.DEN - YYZ
1 stop6h 49mDelta
Deal found 18/12C$ 1,234
Fri 20/125:30 a.m.YOW - DEN
1 stop6h 58mUnited Airlines
Fri 27/126:00 a.m.DEN - YOW
2 stops13h 37mUnited Airlines
Deal found 19/12C$ 1,265
Sun 22/126:15 a.m.YOW - DEN
2 stops18h 43mWestJet
Wed 1/112:10 p.m.DEN - YOW
2 stops26h 38mWestJet
Deal found 18/12C$ 1,269

Find flights from Ontario to Colorado within your budget

Customize your flight search to find flights from Ontario to Colorado 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 629,999 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Thu 16/1

2:45 p.m.-9:58 p.m.

1 stop9h 13m

Colorado Springs

Thu 30/1

7:30 a.m.-4:27 p.m.

1 stop6h 57m

C$ 374

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sat 1/2

6:00 a.m.-9:03 p.m.

2 stops17h 03m

Colorado Springs

Sat 8/2

6:00 a.m.-11:07 p.m.

2 stops15h 07m

C$ 382

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Wed 15/1

8:05 a.m.-5:53 p.m.

1 stop11h 48m

Colorado Springs

Wed 22/1

12:54 p.m.-9:17 p.m.

1 stop6h 23m

C$ 410

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Sat 8/2

6:00 a.m.-9:02 p.m.

2 stops17h 02m

Colorado Springs

Tue 11/2

8:20 a.m.-11:40 p.m.

2 stops13h 20m

C$ 415

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 8/1

6:10 p.m.-9:29 a.m.

1 stop17h 19m

Denver Intl

Sun 12/1

10:42 p.m.-4:45 p.m.

1 stop16h 03m

C$ 416

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Mon 10/2

11:15 a.m.-6:53 p.m.

2 stops9h 38m

Colorado Springs

Tue 11/2

1:35 p.m.-1:53 a.m.

2 stops10h 18m

C$ 432

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Thu 16/1

4:30 p.m.-11:51 p.m.

2 stops9h 21m

Colorado Springs

Thu 30/1

6:00 a.m.-5:24 p.m.

2 stops9h 24m

C$ 435

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Sat 8/2

10:54 a.m.-10:35 p.m.

2 stops13h 41m

Colorado Springs

Fri 14/2

4:50 p.m.-12:20 p.m.

2 stops17h 30m

C$ 449

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

1:30 p.m.-1:24 a.m.

2 stops13h 54m

Denver Intl

Thu 6/2

6:00 a.m.-4:35 p.m.

1 stop8h 35m

C$ 458

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 30/5

6:45 a.m.-6:52 p.m.

2 stops14h 07m

Denver Intl

Thu 5/6

12:15 p.m.-12:43 a.m.

1 stop10h 28m

C$ 470

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 54 results
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Best time to book a flight from Ontario to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Ontario 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 Ontario to Colorado

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

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

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Colorado (average of C$ 320). Flying from Region of Ontario to Colorado in December is currently the most expensive (average of C$ 484). 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 ON to CO?

Find hourly flight availability from Ontario to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 December 2024.

When flying from Region of Ontario to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to Colorado

Explore weekly flight availability from Ontario to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 December 2024.

The most flights from CAON to USCO are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Colorado when rainfall is around 13.0 mm.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated 19 December 2024.
See what other customers who have flown with WestJet, Alaska Airlines and Delta from Ontario to Colorado have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,551 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,551 reviews
Alaska Airlines
8.0
Very good
9,551 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,600 reviews
Alaska Airlines
8.0
Very good
9,551 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Aeromexico
7.5
Good
1,924 reviews
Alaska Airlines
8.0
Very good
9,551 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,048 reviews
Alaska Airlines
8.0
Very good
9,551 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,551 reviews
Check prices

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Colorado. 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 Region of Ontario to Colorado one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to Colorado are Delta (C$ 248), American Airlines (C$ 320), and Alaska Airlines (C$ 324).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Colorado 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 Region of Ontario to Colorado?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Colorado (average of C$ 320). Flying from Region of Ontario to Colorado in December is currently the most expensive (average of C$ 484). 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 Ontario to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Colorado

Discover the top 3 airlines that operate flights from Ontario to Colorado. 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 629,999 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 250AverageC$ 519FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 327AverageC$ 663FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 353AverageC$ 860FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ontario to Colorado flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Colorado from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Colorado, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Ontario to Colorado flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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