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Cheap flights from Ontario to Colorado from $134

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YYZ — DEN
Jun 14 — Jun 211
From?
To?
Fri 6/14
Fri 6/21
1 adult, Economy
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How far in advance should I book a flight from Region of Ontario to Colorado?

To save up to 31% on this flight, we recommend booking at least 38 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Region of Ontario to Colorado from $457 1-2 weeks out and tickets from $841 for flights departing within the next 72 hours.

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

January can be a great time to fly to Colorado from Region of Ontario with a flight ticket averaging about $449. Cheapflights users have found deals in the month of January for as cheap as $359. The most expensive prices can be found in the month of August.

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

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.

Cheap Ontario to Colorado flights in June & July 2024

Find cheap flight options from Ontario to Colorado specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,022,473 searches. Prices were last updated on June 9, 2024.
Check out some of the best flight deals from Ontario to Colorado in 2024. For more flight deals, be sure to check back very soon.
Tue 6/188:00 pmYYZ - DEN
1 stop10h 05mMultiple Airlines
Fri 6/216:31 amDEN - YYZ
1 stop12h 29mMultiple Airlines
Deal found 6/7$294
Tue 7/28:00 pmYYZ - DEN
1 stop9h 55mMultiple Airlines
Mon 7/811:00 pmDEN - YYZ
1 stop21h 45mMultiple Airlines
Deal found 6/8$297
Tue 6/188:00 pmYYZ - DEN
1 stop10h 05mMultiple Airlines
Fri 6/218:05 pmDEN - YYZ
2 stops21h 30mMultiple Airlines
Deal found 6/7$306
Fri 7/128:00 pmYYZ - DEN
1 stop10h 00mMultiple Airlines
Fri 7/1912:49 amDEN - YYZ
1 stop21h 13mMultiple Airlines
Deal found 6/8$308
Tue 7/98:20 pmYYZ - DEN
1 stop9h 40mMultiple Airlines
Fri 7/126:31 amDEN - YYZ
1 stop12h 29mMultiple Airlines
Deal found 6/8$317
Fri 7/128:00 pmYYZ - DEN
1 stop10h 00mMultiple Airlines
Mon 7/156:53 pmDEN - YYZ
1 stop14h 51mMultiple Airlines
Deal found 6/8$319
Fri 7/128:00 pmYYZ - DEN
1 stop10h 00mMultiple Airlines
Sun 7/145:06 amDEN - YYZ
1 stop6h 34mMultiple Airlines
Deal found 6/8$320
Mon 7/18:00 pmYYZ - DEN
1 stop9h 55mMultiple Airlines
Mon 7/86:00 amDEN - YYZ
1 stop22h 43mMultiple Airlines
Deal found 6/7$324
Thu 7/114:15 pmYYZ - DEN
1 stop8h 48mMultiple Airlines
Fri 7/126:31 amDEN - YYZ
1 stop12h 29mMultiple Airlines
Deal found 6/8$325

Ontario to Colorado 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Colorado in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,022,473 searches. Data last updated June 9, 2024.
Check out some of the best flight deals from Ontario to Colorado in 2024. For more flight deals, be sure to check back very soon.
Fri 9/136:55 amYYZ - COS
1 stop11h 13mAmerican Airlines
Mon 9/164:59 pmCOS - YYZ
1 stop17h 35mAmerican Airlines
Deal found 6/8$279
Wed 8/2812:20 pmYYZ - DEN
1 stop12h 34mMultiple Airlines
Wed 9/46:22 amDEN - YYZ
1 stop12h 38mMultiple Airlines
Deal found 6/8$281
Thu 8/88:15 pmYYZ - DEN
1 stop15h 29mMultiple Airlines
Tue 8/136:45 amDEN - YYZ
1 stop14h 00mMultiple Airlines
Deal found 6/8$289
Tue 6/188:00 pmYYZ - DEN
1 stop10h 05mMultiple Airlines
Fri 6/216:31 amDEN - YYZ
1 stop12h 29mMultiple Airlines
Deal found 6/7$294
Tue 7/28:00 pmYYZ - DEN
1 stop9h 55mMultiple Airlines
Mon 7/811:00 pmDEN - YYZ
1 stop21h 45mMultiple Airlines
Deal found 6/8$297
Tue 6/188:00 pmYYZ - DEN
1 stop10h 05mMultiple Airlines
Fri 6/218:05 pmDEN - YYZ
2 stops21h 30mMultiple Airlines
Deal found 6/7$306
Fri 7/128:00 pmYYZ - DEN
1 stop10h 00mMultiple Airlines
Fri 7/1912:49 amDEN - YYZ
1 stop21h 13mMultiple Airlines
Deal found 6/8$308
Tue 7/98:20 pmYYZ - DEN
1 stop9h 40mMultiple Airlines
Fri 7/126:31 amDEN - YYZ
1 stop12h 29mMultiple Airlines
Deal found 6/8$317
Fri 7/128:00 pmYYZ - DEN
1 stop10h 00mMultiple Airlines
Mon 7/156:53 pmDEN - YYZ
1 stop14h 51mMultiple Airlines
Deal found 6/8$319

Ontario to Colorado flights leaving soon

Find last-minute flight options from Ontario to Colorado for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,022,473 searches. Data last updated June 9, 2024.
Have a look at some of the last-minute flights available departing from Ontario to Colorado. To prevent any unwanted surprises, users should verify their flight info before booking.
Tue 6/188:00 pmYYZ - DEN
1 stop10h 05mMultiple Airlines
Fri 6/216:31 amDEN - YYZ
1 stop12h 29mMultiple Airlines
Deal found 6/7$294
Tue 6/188:00 pmYYZ - DEN
1 stop10h 05mMultiple Airlines
Fri 6/218:05 pmDEN - YYZ
2 stops21h 30mMultiple Airlines
Deal found 6/7$306
Tue 6/186:15 amYKF - DEN
1 stop9h 17mWestJet
Fri 6/212:20 pmDEN - YKF
1 stop8h 32mWestJet
Deal found 6/7$329
Tue 6/187:15 amYHM - DEN
1 stop8h 17mWestJet
Fri 6/212:20 pmDEN - YHM
1 stop24h 41mWestJet
Deal found 6/7$381
Sat 6/156:45 pmYYZ - DEN
Nonstop3h 41mAir Canada
Tue 6/259:55 amDEN - YYZ
Nonstop3h 16mAir Canada
Deal found 6/8$417
Sat 6/154:18 pmYYZ - DEN
Nonstop3h 40mAir Canada
Tue 6/259:45 amDEN - YYZ
1 stop8h 36mAir Canada
Deal found 6/8$422
Fri 6/218:50 pmYTZ - DEN
1 stop12h 36mMultiple Airlines
Sun 6/239:10 pmDEN - YTZ
1 stop11h 32mMultiple Airlines
Deal found 6/7$424
Fri 6/218:50 pmYTZ - DEN
1 stop12h 36mMultiple Airlines
Sat 6/2212:48 amDEN - YTZ
2 stops17h 21mMultiple Airlines
Deal found 6/7$425
Sat 6/156:45 amYUL - DEN
1 stop18h 28mMultiple Airlines
Thu 6/205:01 amDEN - YUL
1 stop5h 58mMultiple Airlines
Deal found 6/8$426

One-way flights to Colorado from Ontario

Search for one-way flight options from Ontario to Colorado. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,022,473 searches. Data last updated June 9, 2024.
Some of the best available deals we've found on one-way flights from Ontario to Colorado. For those needing a return trip from Ontario, there is a search form available above.
Tue 9/248:00 pmYYZ - DEN
1 stop14h 05mMultiple Airlines
Deal found 6/8$134
Tue 6/188:00 pmYYZ - DEN
1 stop10h 05mMultiple Airlines
Deal found 6/8$142
Wed 9/258:00 pmYYZ - DEN
1 stop14h 05mMultiple Airlines
Deal found 6/8$144
Wed 9/188:00 pmYYZ - DEN
1 stop14h 05mMultiple Airlines
Deal found 6/8$147
Thu 9/198:00 pmYYZ - DEN
1 stop14h 05mMultiple Airlines
Deal found 6/8$160
Wed 7/247:00 amYYZ - COS
1 stop15h 35mUnited Airlines
Deal found 6/7$161
Mon 7/88:00 pmYYZ - DEN
1 stop20h 48mMultiple Airlines
Deal found 6/8$161
Fri 9/136:45 pmYYZ - COS
1 stop5h 07mAir Canada
Deal found 6/8$162
Thu 7/48:00 pmYYZ - DEN
1 stop10h 00mMultiple Airlines
Deal found 6/8$166

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 3,022,473 searches. Data last updated June 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$279 - $525

Route

Depart

Return

Price

Toronto Pearson IntlColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Fri 9/13

1 stop11h 13m

Colorado Springs

Mon 9/16

1 stop17h 35m

$279

Toronto Pearson IntlDenver Intl

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 8/28

1 stop12h 34m

Denver Intl

Wed 9/4

1 stop12h 38m

$281

Toronto Pearson IntlDenver Intl

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 8/8

1 stop15h 29m

Denver Intl

Tue 8/13

1 stop14h 00m

$289

Toronto Pearson IntlDenver Intl

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 6/18

1 stop10h 05m

Denver Intl

Fri 6/21

1 stop12h 29m

$294

Toronto Kitchener-WaterlooDenver Intl

YKF - DEN

YKFDEN

Toronto Kitchener-Waterloo

Tue 6/18

1 stop9h 17m

Denver Intl

Fri 6/21

1 stop8h 32m

$329

Toronto Pearson IntlColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Fri 9/13

1 stop11h 12m

Colorado Springs

Mon 9/16

2 stops14h 42m

$351

Toronto Pearson IntlDenver Intl

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 7/11

Nonstop3h 42m

Denver Intl

Mon 7/15

Nonstop3h 16m

$400

Toronto Pearson IntlDenver Intl

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sat 8/10

Nonstop3h 42m

Denver Intl

Sun 8/18

Nonstop3h 16m

$401

Toronto Pearson IntlColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Mon 7/8

1 stop12h 24m

Colorado Springs

Mon 7/29

1 stop9h 16m

$525

Flights are sorted by cheapest first

Deals found on 6/8

No data available for this route at this time. Please check back soon.

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.

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 June 9, 2024.
Read reviews from past customers who have flown United Airlines, Delta and Air Canada from Ontario to Colorado. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,245 reviews

Entertainment

7.3

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,245 reviews
Alaska Airlines
8.1
Very good
9,245 reviews

Entertainment

7.3

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,310 reviews
Alaska Airlines
8.1
Very good
9,245 reviews

Entertainment

7.3

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Aeromexico
7.6
Good
2,426 reviews
Alaska Airlines
8.1
Very good
9,245 reviews

Entertainment

7.3

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

WestJet
7.5
Good
2,850 reviews
Alaska Airlines
8.1
Very good
9,245 reviews

Entertainment

7.3

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,680 reviews
Alaska Airlines
8.1
Very good
9,245 reviews

Entertainment

7.3

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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.

  • Can I find flights from Region of Ontario to Colorado for under $300 on Cheapflights?

    Yes, there are multiple flights from Region of Ontario to Colorado for under $300. The cheapest flight booked recently is on American Airlines for just $279, but on average you can expect to pay $316.

  • Are there nonstop flights from Region of Ontario to Colorado for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Region of Ontario to Colorado under $400. A good price for a nonstop flight from Region of Ontario to Colorado is less than $464.

  • Are there last-minute flights available from Region of Ontario to Colorado for under $300?

    There are currently 20+ open flights from Region of Ontario to Colorado within the next 7 days for less than $300.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $161. However, be on the lookout for offers from Air Canada and WestJet, as they are both options that can get you from Region of Ontario to Colorado for a low price.

  • What does YYZ to DEN mean?

    This is defined as Toronto Pearson Intl Airport (YYZ) and Denver Intl Airport (DEN). Codes like Denver Intl Airport are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: Colorado Springs Airport (COS), Grand Junction Regnl Airport (GJT), Durango La Plata County Airport (DRO), Aspen Pitkin County Airport (ASE), Montrose County Airport (MTJ).

  • Can I find deals for flights from Ontario to Colorado that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Colorado flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Colorado with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Colorado flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ontario to Colorado that allow pets onboard?

    Many airlines flying from Ontario to Colorado offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Colorado?

    Yes, you can often find last-minute deals on Ontario to Colorado flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Region of Ontario to Colorado flight deals updated?

    The Region of Ontario to Colorado flight deals you see on this page were last updated on 6/8.

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

    Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Colorado (average of $191). Flying from Region of Ontario to Colorado in March is currently the most expensive (average of $269). 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 3,022,473 searches. Data last updated June 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$272Average$673FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$309Average$549FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$354Average$457FlexibilityNo cancel feeOn-time71%
Denver to Phoenix flights
New York to Atlanta flights
Newark Airport to Chicago flights
Boston to New York flights
Minneapolis to San Francisco flights
Tampa to Nashville flights
USA to Sydney flights
Phoenix to Minneapolis flights
New York to San Diego flights
San Francisco to Shanghai flights
Orlando to Fort Lauderdale flights
Region of Ontario to Connecticut flights

Search flights from Ontario to Colorado by cabin class

Find flights from Ontario to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Ontario to Colorado

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 June 9, 2024.
1%of flight departuresEarly morningMidnight to 6 am
52%of flight departuresMorning6 am to noon
47%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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