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Cheap flights from Colorado to Ontario from C$ 139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Ontario departing on 17/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Colorado to Ontario

Cheap round-trip flights

These are some of the best round-trip flight deals from Colorado to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Colorado to Ontario.

Cheap last-minute flights

Planning a quick getaway from Colorado to Ontario? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Colorado to Ontario

Find recent round-trip train or bus tickets from Colorado to Ontario.

All round-trip flight deals to Ontario

The cheapest plane tickets to Ontario found on KAYAK recently.
10:57 p.m. - 3:16 p.m.DEN-YYZ
14h 19m1 stop
8:00 p.m. - 9:29 a.m.YYZ-DEN
15h 29m1 stop
C$ 394
Find Deal
Mon, 9 Dec - Wed, 11 Dec
12:50 a.m. - 11:05 p.m.DEN-YYZ
20h 15m1 stop
8:00 p.m. - 11:16 a.m.YYZ-DEN
17h 16m1 stop
C$ 397
Find Deal
Mon, 3 Feb - Tue, 11 Feb
7:15 a.m. - 10:52 p.m.COS-YYZ
13h 37m1 stop
2:45 p.m. - 10:03 p.m.YYZ-COS
9h 18m1 stop
C$ 435United Airlines
Find Deal
Thu, 12 Dec - Thu, 19 Dec
7:15 a.m. - 6:20 p.m.COS-YYZ
9h 05m2 stops
2:45 p.m. - 10:03 p.m.YYZ-COS
9h 18m1 stop
C$ 442United Airlines
Find Deal
Sat, 14 Dec - Thu, 19 Dec
6:00 a.m. - 7:04 p.m.COS-YYZ
11h 04m2 stops
12:30 p.m. - 11:51 p.m.YYZ-COS
13h 21m2 stops
C$ 479American Airlines
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Fri, 10 Jan - Sun, 12 Jan
5:40 p.m. - 1:37 a.m.DEN-YOW
5h 57m1 stop
10:05 a.m. - 4:38 p.m.YOW-DEN
8h 33m1 stop
C$ 488Air Canada
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Thu, 5 Dec - Mon, 9 Dec
1:44 p.m. - 11:55 p.m.COS-YUL
8h 11m1 stop
6:00 a.m. - 7:39 p.m.YUL-COS
15h 39m2 stops
C$ 491Delta
Find Deal
Tue, 10 Dec - Fri, 13 Dec
8:20 a.m. - 11:55 p.m.COS-YUL
13h 35m2 stops
6:00 a.m. - 7:39 p.m.YUL-COS
15h 39m2 stops
C$ 498Delta
Find Deal
Tue, 10 Dec - Fri, 13 Dec
11:59 p.m. - 1:35 p.m.DEN-YUL
11h 36m1 stop
12:55 p.m. - 9:25 p.m.YUL-DEN
10h 30m1 stop
C$ 649American Airlines
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Sun, 12 Jan - Mon, 3 Feb
11:25 a.m. - 9:50 p.m.DEN-YYZ
8h 25m1 stop
2:45 p.m. - 4:38 p.m.YYZ-DEN
3h 53mdirect
C$ 670Air Canada
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Tue, 10 Dec - Fri, 13 Dec
8:49 a.m. - 1:55 p.m.DEN-YYZ
27h 06m2 stops
C$ 139
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Tue, 17 Dec
10:41 p.m. - 6:46 a.m.DEN-YYZ
30h 05m1 stop
C$ 147
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Tue, 10 Dec
1:44 p.m. - 11:59 p.m.COS-YYZ
8h 15m1 stop
C$ 179Delta
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Wed, 18 Dec
11:25 a.m. - 6:58 p.m.DEN-YOW
5h 33m1 stop
C$ 182Air Canada
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Wed, 18 Dec
8:00 a.m. - 11:53 p.m.COS-YYZ
13h 53m2 stops
C$ 195Delta
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Thu, 19 Dec
11:59 p.m. - 1:35 p.m.DEN-YUL
11h 36m1 stop
C$ 283American Airlines
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Sat, 18 Jan
7:00 a.m. - 2:55 p.m.DEN-YYZ
29h 55m1 stop
C$ 290Alaska Airlines
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Sat, 15 Feb
9:50 a.m. - 3:02 p.m.DEN-YYZ
3h 12mdirect
C$ 301Air Canada
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Fri, 13 Dec
6:50 a.m. - 10:50 p.m.DEN-YUL
14h 00m1 stop
C$ 329American Airlines
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Tue, 31 Dec
9:50 p.m. - 3:07 p.m.DEN-YYZ
15h 17m1 stop
C$ 352Alaska Airlines
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Mon, 30 Dec
6:00 a.m. - 11:35 p.m.DEN-YYZ
15h 35m2 stops
7:25 p.m. - 3:59 a.m.YYZ-DEN
10h 34m1 stop
C$ 726
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Tue, 19 Nov - Wed, 27 Nov
6:00 a.m. - 11:35 p.m.DEN-YYZ
15h 35m2 stops
7:45 a.m. - 8:30 p.m.YYZ-DEN
14h 45m1 stop
C$ 744
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Tue, 19 Nov - Tue, 26 Nov
11:33 a.m. - 10:01 p.m.DEN-YOW
8h 28m1 stop
7:30 p.m. - 12:15 a.m.YOW-DEN
6h 45m1 stop
C$ 1,238United Airlines
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Fri, 15 Nov - Mon, 18 Nov
10:07 a.m. - 11:54 p.m.DEN-YOW
11h 47m2 stops
5:50 p.m. - 11:44 p.m.YOW-DEN
7h 54m1 stop
C$ 1,251United Airlines
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Fri, 15 Nov - Mon, 18 Nov
11:25 a.m. - 4:37 p.m.DEN-YYZ
3h 12mdirect
8:55 p.m. - 8:53 a.m.YYZ-DEN
13h 58m1 stop
C$ 1,290Air Canada
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Tue, 19 Nov - Tue, 26 Nov
5:40 p.m. - 10:52 p.m.DEN-YYZ
3h 12mdirect
7:15 a.m. - 4:40 p.m.YYZ-DEN
11h 25m1 stop
C$ 1,360Air Canada
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Tue, 19 Nov - Thu, 28 Nov
10:42 a.m. - 9:32 p.m.DEN-YYZ
8h 50m2 stops
7:00 a.m. - 2:39 p.m.YYZ-DEN
9h 39m2 stops
C$ 1,417American Airlines
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Tue, 19 Nov - Wed, 20 Nov
8:05 a.m. - 8:47 p.m.DEN-YYZ
10h 42m2 stops
7:55 a.m. - 3:35 p.m.YYZ-DEN
9h 40m2 stops
C$ 1,530Delta
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Sat, 16 Nov - Mon, 18 Nov
7:05 a.m. - 7:06 p.m.DEN-YYZ
10h 01m1 stop
6:30 a.m. - 10:14 a.m.YYZ-DEN
5h 44m1 stop
C$ 1,595Delta
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Tue, 19 Nov - Sun, 24 Nov
5:00 a.m. - 4:45 p.m.DEN-YUL
9h 45m2 stops
7:30 a.m. - 11:02 p.m.YUL-DEN
17h 32m1 stop
C$ 1,685American Airlines
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Fri, 15 Nov - Sat, 30 Nov
11:15 a.m. - 4:27 p.m.DEN-YYZ
3h 12mdirect
4:10 p.m. - 6:06 p.m.YYZ-DEN
3h 56mdirect
C$ 670Air Canada
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Tue, 10 Dec - Fri, 13 Dec
11:15 a.m. - 4:27 p.m.DEN-YYZ
3h 12mdirect
8:35 a.m. - 10:28 a.m.YYZ-DEN
3h 53mdirect
C$ 681Air Canada
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Thu, 5 Dec - Sun, 8 Dec
9:50 a.m. - 3:02 p.m.DEN-YYZ
3h 12mdirect
8:35 a.m. - 10:28 a.m.YYZ-DEN
3h 53mdirect
C$ 743United Airlines
Find Deal
Sat, 7 Dec - Sun, 8 Dec
5:40 p.m. - 10:52 p.m.DEN-YYZ
3h 12mdirect
2:45 p.m. - 4:38 p.m.YYZ-DEN
3h 53mdirect
C$ 744United Airlines
Find Deal
Wed, 11 Dec - Sat, 14 Dec
9:50 a.m. - 3:02 p.m.DEN-YYZ
3h 12mdirect
8:35 a.m. - 10:28 a.m.YYZ-DEN
3h 53mdirect
C$ 747United Airlines
Find Deal
Thu, 5 Dec - Sun, 8 Dec
9:50 a.m. - 3:02 p.m.DEN-YYZ
3h 12mdirect
8:35 a.m. - 10:28 a.m.YYZ-DEN
3h 53mdirect
C$ 864
Find Deal
Sat, 14 Dec - Wed, 18 Dec
5:40 p.m. - 10:52 p.m.DEN-YYZ
3h 12mdirect
2:45 p.m. - 4:38 p.m.YYZ-DEN
3h 53mdirect
C$ 872Air Canada
Find Deal
Thu, 12 Dec - Wed, 18 Dec
5:40 p.m. - 10:52 p.m.DEN-YYZ
3h 12mdirect
8:35 a.m. - 10:28 a.m.YYZ-DEN
3h 53mdirect
C$ 878Air Canada
Find Deal
Thu, 6 Mar - Wed, 19 Mar
11:15 a.m. - 4:27 p.m.DEN-YYZ
3h 12mdirect
4:10 p.m. - 6:06 p.m.YYZ-DEN
3h 56mdirect
C$ 887Air Canada
Find Deal
Fri, 13 Dec - Mon, 16 Dec
11:25 a.m. - 5:08 p.m.DEN-YUL
3h 43mdirect
8:05 a.m. - 10:35 a.m.YUL-DEN
4h 30mdirect
C$ 901United Airlines
Find Deal
Wed, 4 Dec - Tue, 10 Dec

United Airlines flights from Colorado to Region of Ontario

Our best United Airlines deals on Colorado to Region of Ontario flight tickets
United Airlines
12 Dec
COS7:15 a.m.Colorado Springs
13h 37m
1 stop
YYZ10:52 p.m.Toronto Pearson Intl
19 Dec
YYZ2:45 p.m.Toronto Pearson Intl
9h 18m
1 stop
COS10:03 p.m.Colorado Springs
United Airlines
14 Dec
COS7:15 a.m.Colorado Springs
9h 05m
2 stops
YYZ6:20 p.m.Toronto Pearson Intl
19 Dec
YYZ2:45 p.m.Toronto Pearson Intl
9h 18m
1 stop
COS10:03 p.m.Colorado Springs
United Airlines
13 Dec
COS10:45 a.m.Colorado Springs
10h 21m
2 stops
YYZ11:06 p.m.Toronto Pearson Intl
19 Dec
YYZ2:45 p.m.Toronto Pearson Intl
9h 18m
1 stop
COS10:03 p.m.Colorado Springs

American Airlines flights from Colorado to Region of Ontario

Our best American Airlines deals on Colorado to Region of Ontario flight tickets
American Airlines
10 Jan
COS6:00 a.m.Colorado Springs
11h 04m
2 stops
YYZ7:04 p.m.Toronto Pearson Intl
12 Jan
YYZ12:30 p.m.Toronto Pearson Intl
13h 21m
2 stops
COS11:51 p.m.Colorado Springs
American Airlines
12 Jan
DEN11:59 p.m.Denver Intl
11h 36m
1 stop
YUL1:35 p.m.Montreal Pierre Elliott Trudeau Intl
3 Feb
YUL12:55 p.m.Montreal Pierre Elliott Trudeau Intl
10h 30m
1 stop
DEN9:25 p.m.Denver Intl
American Airlines
23 Jan
DEN6:01 a.m.Denver Intl
8h 49m
2 stops
YUL4:50 p.m.Montreal Pierre Elliott Trudeau Intl
26 Jan
YUL7:14 a.m.Montreal Pierre Elliott Trudeau Intl
15h 10m
1 stop
DEN8:24 p.m.Denver Intl

How to get the cheapest flight ticket from Colorado to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies to Region of Ontario from Colorado?

Air Canada. Air Canada and United Airlines are the most popular carriers operating from Colorado to Region of Ontario

What is the cheapest Colorado to Region of Ontario flight route?

Denver Intl - Toronto Pearson Intl. Fly from Denver Intl to Toronto Pearson Intl for the best Colorado - Region of Ontario flight prices

Can stopping save me money on Colorado to Region of Ontario flights?

You could potentially save up to 53% on your flight if you consider stops on a Colorado to Region of Ontario flight.

Cheap Colorado to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Region of Ontario

Best price found

C$ 139

Fastest flight time

3h 09m

Direct flights

Every day

Airports in Region of Ontario

4 airports
The best one-way flight to Region of Ontario from Colorado in the past 72 hours is C$ 139. The best round-trip flight deal from Colorado to Region of Ontario found on momondo in the last 72 hours is C$ 394.
The fastest flight from Colorado to Region of Ontario takes 3h 09m
Direct flights go from Colorado to Region of Ontario every day.
There are 4 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)

  • When did momondo last update prices for flights from Colorado to Ontario?

    Prices for flights from Colorado to Ontario were last updated today.

  • How many operators does momondo search for flights from Colorado to Ontario?

  • How old do you have to be to fly from Colorado to Ontario?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Colorado to Region of Ontario?


Best airlines flying from Colorado to Region of Ontario

Compare and see reviews for airlines that fly from Colorado to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 256Free CancellationRating
7.0
8,198 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 740Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Ontario for you.

Can I find flights from Colorado to Ontario with flexible booking policies on momondo?

All flight searches from Colorado to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Ontario?

Once you have performed a search for Colorado to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Colorado to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Colorado and alert you when they change.


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