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Cheap flights from Colorado to Ontario from $99

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 12/17. 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 pm - 3:16 pmDEN-YYZ
14h 19m1 stop
8:00 pm - 9:29 amYYZ-DEN
15h 29m1 stop
Mon, Dec 9 - Wed, Dec 11
12:50 am - 11:05 pmDEN-YYZ
20h 15m1 stop
8:00 pm - 11:16 amYYZ-DEN
17h 16m1 stop
Mon, Feb 3 - Tue, Feb 11
10:57 pm - 3:16 pmDEN-YYZ
14h 19m1 stop
10:20 am - 9:56 amYYZ-DEN
25h 36m1 stop
Tue, Dec 10 - Fri, Dec 13
7:15 am - 10:52 pmCOS-YYZ
13h 37m1 stop
2:45 pm - 10:03 pmYYZ-COS
9h 18m1 stop
$310United Airlines
Find Deal
Thu, Dec 12 - Thu, Dec 19
7:15 am - 6:20 pmCOS-YYZ
9h 05m2 stops
2:45 pm - 10:03 pmYYZ-COS
9h 18m1 stop
$315United Airlines
Find Deal
Sat, Dec 14 - Thu, Dec 19
6:00 am - 7:04 pmCOS-YYZ
11h 04m2 stops
12:30 pm - 11:51 pmYYZ-COS
13h 21m2 stops
$342American Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12
5:40 pm - 1:37 amDEN-YOW
5h 57m1 stop
10:05 am - 4:38 pmYOW-DEN
8h 33m1 stop
$348Air Canada
Find Deal
Thu, Dec 5 - Mon, Dec 9
11:59 pm - 1:35 pmDEN-YUL
11h 36m1 stop
12:55 pm - 9:25 pmYUL-DEN
10h 30m1 stop
$463American Airlines
Find Deal
Sun, Jan 12 - Mon, Feb 3
4:05 pm - 9:58 amDEN-YYZ
15h 53m2 stops
5:04 pm - 11:03 amYYZ-DEN
19h 59m2 stops
$465Frontier
Find Deal
Thu, Dec 5 - Sun, Dec 8
11:25 am - 9:50 pmDEN-YYZ
8h 25m1 stop
2:45 pm - 4:38 pmYYZ-DEN
3h 53mnonstop
$478Air Canada
Find Deal
Tue, Dec 10 - Fri, Dec 13
8:49 am - 1:55 pmDEN-YYZ
27h 06m2 stops
Tue, Dec 17
10:41 pm - 6:46 amDEN-YYZ
30h 05m1 stop
Tue, Dec 10
11:25 am - 6:58 pmDEN-YOW
5h 33m1 stop
$130Air Canada
Find Deal
Wed, Dec 18
6:53 am - 10:36 pmDEN-YUL
13h 43m1 stop
$202American Airlines
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Sat, Dec 14
7:00 am - 2:55 pmDEN-YYZ
29h 55m1 stop
$207Alaska Airlines
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Sat, Feb 15
9:50 am - 3:02 pmDEN-YYZ
3h 12mnonstop
$215Air Canada
Find Deal
Fri, Dec 13
6:53 am - 10:36 pmDEN-YUL
13h 43m1 stop
$235American Airlines
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Thu, Dec 12
9:50 am - 3:02 pmDEN-YYZ
3h 12mnonstop
$241United Airlines
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Mon, Dec 9
9:50 pm - 3:07 pmDEN-YYZ
15h 17m1 stop
$251Alaska Airlines
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Mon, Dec 30
3:47 pm - 8:00 amDEN-YUL
14h 13m1 stop
$258United Airlines
Find Deal
Wed, Dec 11
10:43 pm - 11:11 pmDEN-YYZ
22h 28m2 stops
7:25 pm - 3:59 amYYZ-DEN
10h 34m1 stop
Mon, Nov 18 - Wed, Nov 20
10:14 pm - 8:05 pmDEN-YYZ
19h 51m1 stop
7:25 pm - 3:59 amYYZ-DEN
10h 34m1 stop
Mon, Nov 18 - Wed, Nov 20
11:33 am - 10:01 pmDEN-YOW
8h 28m1 stop
7:30 pm - 12:15 amYOW-DEN
6h 45m1 stop
$883United Airlines
Find Deal
Fri, Nov 15 - Mon, Nov 18
10:07 am - 11:54 pmDEN-YOW
11h 47m2 stops
5:50 pm - 11:44 pmYOW-DEN
7h 54m1 stop
$892United Airlines
Find Deal
Fri, Nov 15 - Mon, Nov 18
12:35 am - 12:59 pmDEN-YYZ
10h 24m2 stops
6:30 am - 4:25 pmYYZ-DEN
11h 55m1 stop
$990Delta
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Sun, Nov 17 - Wed, Nov 20
5:51 pm - 2:55 pmDEN-YYZ
19h 04m2 stops
4:20 pm - 11:45 amYYZ-DEN
21h 25m2 stops
$1,024Alaska Airlines
Find Deal
Mon, Nov 18 - Wed, Nov 20
7:56 pm - 2:55 pmDEN-YYZ
16h 59m1 stop
4:20 pm - 4:55 pmYYZ-DEN
26h 35m2 stops
$1,027Alaska Airlines
Find Deal
Mon, Nov 18 - Wed, Nov 20
5:40 pm - 10:52 pmDEN-YYZ
3h 12mnonstop
8:55 pm - 8:53 amYYZ-DEN
13h 58m1 stop
$1,047Air Canada
Find Deal
Mon, Nov 18 - Wed, Nov 20
10:25 am - 8:47 pmDEN-YYZ
8h 22m1 stop
11:15 am - 5:54 pmYYZ-DEN
8h 39m1 stop
$1,062Delta
Find Deal
Sat, Nov 16 - Mon, Nov 18
5:40 pm - 10:52 pmDEN-YYZ
3h 12mnonstop
12:30 am - 10:35 amYYZ-DEN
12h 05m1 stop
$1,254Air Canada
Find Deal
Mon, Nov 18 - Tue, Nov 19
11:15 am - 4:27 pmDEN-YYZ
3h 12mnonstop
4:10 pm - 6:06 pmYYZ-DEN
3h 56mnonstop
$478Air Canada
Find Deal
Tue, Dec 10 - Fri, Dec 13
5:40 pm - 10:52 pmDEN-YYZ
3h 12mnonstop
2:45 pm - 4:38 pmYYZ-DEN
3h 53mnonstop
$482Lufthansa
Find Deal
Thu, Dec 5 - Sun, Dec 8
11:15 am - 4:27 pmDEN-YYZ
3h 12mnonstop
8:35 am - 10:28 amYYZ-DEN
3h 53mnonstop
$486Air Canada
Find Deal
Thu, Dec 5 - Sun, Dec 8
11:15 am - 4:27 pmDEN-YYZ
3h 12mnonstop
2:45 pm - 4:38 pmYYZ-DEN
3h 53mnonstop
$530United Airlines
Find Deal
Tue, Dec 10 - Fri, Dec 13
11:15 am - 4:27 pmDEN-YYZ
3h 12mnonstop
2:45 pm - 4:38 pmYYZ-DEN
3h 53mnonstop
$531United Airlines
Find Deal
Wed, Dec 4 - Sat, Dec 7
9:50 am - 3:02 pmDEN-YYZ
3h 12mnonstop
8:35 am - 10:28 amYYZ-DEN
3h 53mnonstop
$533United Airlines
Find Deal
Thu, Dec 5 - Sun, Dec 8
9:50 am - 3:02 pmDEN-YYZ
3h 12mnonstop
2:45 pm - 4:38 pmYYZ-DEN
3h 53mnonstop
$541Air Canada
Find Deal
Sat, Dec 7 - Wed, Jan 8
5:40 pm - 10:52 pmDEN-YYZ
3h 12mnonstop
4:10 pm - 6:12 pmYYZ-DEN
4h 02mnonstop
$610Air Canada
Find Deal
Fri, Dec 13 - Fri, Dec 20
11:15 am - 4:27 pmDEN-YYZ
3h 12mnonstop
4:10 pm - 6:06 pmYYZ-DEN
3h 56mnonstop
Wed, Dec 11 - Wed, Dec 18
9:50 am - 3:02 pmDEN-YYZ
3h 12mnonstop
8:35 am - 10:28 amYYZ-DEN
3h 53mnonstop
Sat, Dec 14 - Sun, Jan 5

United Airlines flights from Colorado to Region of Ontario

Our best United Airlines deals on Colorado to Region of Ontario flight tickets
United Airlines
Dec 12
COS7:15 amColorado Springs
13h 37m
1 stop
YYZ10:52 pmToronto Pearson Intl
Dec 19
YYZ2:45 pmToronto Pearson Intl
9h 18m
1 stop
COS10:03 pmColorado Springs
United Airlines
Dec 14
COS7:15 amColorado Springs
9h 05m
2 stops
YYZ6:20 pmToronto Pearson Intl
Dec 19
YYZ2:45 pmToronto Pearson Intl
9h 18m
1 stop
COS10:03 pmColorado Springs
United Airlines
Dec 13
COS10:45 amColorado Springs
10h 21m
2 stops
YYZ11:06 pmToronto Pearson Intl
Dec 19
YYZ2:45 pmToronto Pearson Intl
9h 18m
1 stop
COS10:03 pmColorado 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
Jan 10
COS6:00 amColorado Springs
11h 04m
2 stops
YYZ7:04 pmToronto Pearson Intl
Jan 12
YYZ12:30 pmToronto Pearson Intl
13h 21m
2 stops
COS11:51 pmColorado Springs
American Airlines
Jan 12
DEN11:59 pmDenver Intl
11h 36m
1 stop
YUL1:35 pmMontreal Pierre Elliott Trudeau Intl
Feb 3
YUL12:55 pmMontreal Pierre Elliott Trudeau Intl
10h 30m
1 stop
DEN9:25 pmDenver Intl
American Airlines
Jan 23
DEN6:01 amDenver Intl
8h 49m
2 stops
YUL4:50 pmMontreal Pierre Elliott Trudeau Intl
Jan 26
YUL7:14 amMontreal Pierre Elliott Trudeau Intl
15h 10m
1 stop
DEN8:24 pmDenver 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

What cabin class options are available on Colorado to Region of Ontario flights?

There are 2 cabin classes available to choose from on Colorado to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 59% 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

$99

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 $99. The best round-trip flight deal from Colorado to Region of Ontario found on momondo in the last 72 hours is $281.
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 are updated daily.

  • 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 you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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 $130Free CancellationRating
7.0
8,198 reviews
Search Air Canada flights
United AirlinesPriceFrom $160Free 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?

Flights from Colorado to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes momondo offers price alerts on flights to Ontario from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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