How many flights depart from Colorado to Region of Ontario on average per day?

8 flights are operational daily from Colorado to Region of Ontario as of September 2026. The most popular departure time for this route is 11:00a.m., with 66% of flights per day taking off at noon.

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

United Airlines is the most popular carrier operating from Colorado to Ontario

How many flights depart from Colorado to Region of Ontario on average per week?

59 flights are operational weekly from Colorado to Region of Ontario as of September 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

How long is the flight from Colorado to Region of Ontario?

The flight from Colorado to Region of Ontario depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Denver (a popular airport in Colorado) to Toronto Pearson Intl Airport (the most popular airport in Region of Ontario), then the flight time is 3h 06m on average. If you fly from Colorado Springs (another popular airport in Colorado) to Toronto Pearson Intl Airport, then the average flight time is 6h 29m.

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?

As of September 2026, there is 1 operator available to choose from 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.

C$ 208 Cheap Flights from Colorado to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:39 a.m. - 6:10 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

29h 31m1 stop Nashville Intl

9:30 a.m. - 11:53 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

16h 23m1 stop Phoenix Sky Harbor Intl

C$ 439Multiple Airlines

Sat, 7 Nov - Tue, 10 Nov

10:39 a.m. - 6:10 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

29h 31m1 stop Nashville Intl

1:40 p.m. - 9:48 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

10h 08m1 stop Austin Bergstrom

C$ 456Multiple Airlines

Sat, 7 Nov - Mon, 9 Nov

10:38 a.m. - 9:36 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

8h 58m1 stop Nashville Intl

6:55 p.m. - 8:26 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

15h 31m1 stop Chicago O'Hare Intl

C$ 473Multiple Airlines

Sat, 24 Oct - Mon, 2 Nov

7:12 a.m. - 5:45 a.m.DEN Denver Intl-YYZ Toronto Pearson Intl

20h 33m2 stops Phoenix Sky Harbor Intl Calgary

4:45 p.m. - 5:21 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

26h 36m1 stop Nashville Intl

C$ 477Multiple Airlines

Thu, 15 Oct - Mon, 19 Oct

6:05 a.m. - 9:19 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

13h 14m2 stops Dallas/Fort Worth Tampa

1:00 p.m. - 5:22 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

30h 22m1 stop Nashville Intl

C$ 484Multiple Airlines

Sat, 24 Oct - Mon, 2 Nov

1:05 p.m. - 5:45 a.m.DEN Denver Intl-YYZ Toronto Pearson Intl

14h 40m2 stops Las Vegas Harry Reid Intl Calgary

4:45 p.m. - 5:21 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

26h 36m1 stop Nashville Intl

C$ 497Multiple Airlines

Wed, 14 Oct - Mon, 19 Oct

7:31 a.m. - 5:45 a.m.DEN Denver Intl-YYZ Toronto Pearson Intl

20h 14m2 stops Las Vegas Harry Reid Intl Calgary

4:45 p.m. - 5:21 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

26h 36m1 stop Nashville Intl

C$ 501Multiple Airlines

Wed, 14 Oct - Mon, 19 Oct

1:05 p.m. - 5:45 a.m.DEN Denver Intl-YYZ Toronto Pearson Intl

14h 40m2 stops Las Vegas Harry Reid Intl Calgary

4:45 p.m. - 5:21 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

26h 36m1 stop Nashville Intl

C$ 501Multiple Airlines

Wed, 14 Oct - Mon, 19 Oct

11:35 a.m. - 4:45 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 10mdirect

2:55 p.m. - 4:50 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 648Air Canada

Sat, 24 Oct - Mon, 2 Nov

1:30 p.m. - 6:37 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 07mdirect

2:55 p.m. - 4:50 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 662Air Canada

Wed, 4 Nov - Wed, 11 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:40 a.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

13h 15m2 stops Orlando Nashville Intl

8:35 p.m. - 12:46 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

18h 11m1 stop Las Vegas Harry Reid Intl

C$ 731Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

7:12 p.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

24h 43m2 stops Orlando Nashville Intl

7:00 a.m. - 11:43 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

18h 43m2 stops Calgary Las Vegas Harry Reid Intl

C$ 760Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

7:12 p.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

24h 43m2 stops Orlando Nashville Intl

7:00 a.m. - 11:43 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

18h 43m2 stops Calgary Las Vegas Harry Reid Intl

C$ 765Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

10:38 a.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

9h 17m1 stop Nashville Intl

8:35 p.m. - 10:07 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

15h 32m1 stop Las Vegas Harry Reid Intl

C$ 778Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

6:40 a.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

13h 15m2 stops Orlando Nashville Intl

1:50 p.m. - 7:52 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

20h 02m2 stops Ottawa Orlando

C$ 803Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

7:12 p.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

24h 43m2 stops Orlando Nashville Intl

12:55 p.m. - 9:49 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

10h 54m1 stop Austin Bergstrom

C$ 823Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

7:12 p.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

24h 43m2 stops Orlando Nashville Intl

12:55 p.m. - 9:49 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

10h 54m1 stop Austin Bergstrom

C$ 826Multiple Airlines

Tue, 29 Sep - Tue, 6 Oct

10:38 a.m. - 9:55 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

9h 17m1 stop Nashville Intl

6:30 a.m. - 9:34 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

41h 04m2 stops Fort Lauderdale Kansas City

C$ 829Multiple Airlines

Wed, 30 Sep - Sun, 4 Oct

6:05 p.m. - 11:16 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 11mdirect

8:50 a.m. - 10:27 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 37mdirect

C$ 948Air Canada

Tue, 29 Sep - Tue, 6 Oct

6:05 p.m. - 11:16 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 11mdirect

8:50 a.m. - 10:27 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 37mdirect

C$ 949Air Canada

Tue, 29 Sep - Tue, 6 Oct

Cheap direct flights

Enter your travel dates to find the best prices.

11:35 a.m. - 4:45 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 10mdirect

2:55 p.m. - 4:50 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 648Air Canada

Sat, 24 Oct - Mon, 2 Nov

1:30 p.m. - 6:37 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 07mdirect

2:55 p.m. - 4:50 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 662Air Canada

Wed, 4 Nov - Wed, 11 Nov

5:40 p.m. - 10:51 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 11mdirect

8:40 a.m. - 10:35 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 664Air Canada

Sun, 25 Oct - Sat, 31 Oct

11:35 a.m. - 4:45 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 10mdirect

8:40 a.m. - 10:35 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 683Air Canada

Fri, 23 Oct - Thu, 29 Oct

11:35 a.m. - 4:45 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 10mdirect

6:40 p.m. - 8:17 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 37mdirect

C$ 683Air Canada

Sun, 4 Oct - Sat, 10 Oct

1:30 p.m. - 6:37 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 07mdirect

8:40 a.m. - 10:35 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 683Air Canada

Thu, 5 Nov - Thu, 12 Nov

5:40 p.m. - 10:51 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 11mdirect

8:40 a.m. - 10:35 a.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 751Air Canada

Sun, 8 Nov - Sun, 15 Nov

10:02 a.m. - 3:14 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 12mdirect

10:45 a.m. - 12:23 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 38mdirect

C$ 774United Airlines

Thu, 15 Oct - Sat, 24 Oct

9:50 a.m. - 3:02 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 12mdirect

4:10 p.m. - 6:04 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 54mdirect

C$ 774United Airlines

Mon, 7 Dec - Tue, 8 Dec

1:30 p.m. - 6:37 p.m.DEN Denver Intl-YYZ Toronto Pearson Intl

3h 07mdirect

2:55 p.m. - 4:50 p.m.YYZ Toronto Pearson Intl-DEN Denver Intl

3h 55mdirect

C$ 774Air Canada

Wed, 9 Dec - Sun, 13 Dec

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United Airlines flights from Colorado to Region of Ontario

Our best United Airlines deals on Colorado to Region of Ontario flight tickets

United Airlines

8 Oct

DEN6:05 p.m.Denver Intl

3h 11m

YYZ11:16 p.m.Toronto Pearson Intl

13 Oct

YYZ4:18 p.m.Toronto Pearson Intl

3h 38m

DEN5:56 p.m.Denver Intl

C$ 850

United Airlines

8 Oct

DEN4:17 p.m.Denver Intl

3h 15m

YYZ9:32 p.m.Toronto Pearson Intl

12 Oct

YYZ10:45 a.m.Toronto Pearson Intl

3h 38m

DEN12:23 p.m.Denver Intl

C$ 894

United Airlines

10 Oct

GJT11:19 a.m.Grand Junction Regnl

8h 13m

1 stop

YYZ9:32 p.m.Toronto Pearson Intl

17 Oct

YYZ10:45 a.m.Toronto Pearson Intl

5h 52m

1 stop

GJT2:37 p.m.Grand Junction Regnl

C$ 925

American Airlines flights from Colorado to Region of Ontario

Our best American Airlines deals on Colorado to Region of Ontario flight tickets

American Airlines

5 Dec

COS1:34 p.m.Colorado Springs

19h 16m

1 stop

YYZ10:50 a.m.Toronto Pearson Intl

8 Dec

YYZ6:21 p.m.Toronto Pearson Intl

20h 43m

1 stop

COS1:04 p.m.Colorado Springs

C$ 768

American Airlines

5 Dec

COS8:00 a.m.Colorado Springs

13h 46m

2 stops

YYZ11:46 p.m.Toronto Pearson Intl

8 Dec

YYZ6:21 p.m.Toronto Pearson Intl

20h 43m

1 stop

COS1:04 p.m.Colorado Springs

C$ 782

American Airlines

5 Dec

COS8:00 a.m.Colorado Springs

13h 46m

2 stops

YYZ11:46 p.m.Toronto Pearson Intl

8 Dec

YYZ11:36 a.m.Toronto Pearson Intl

13h 10m

2 stops

COS10:46 p.m.Colorado Springs

C$ 791

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Sat 7/11

10:39 a.m.-6:10 p.m.

1 stop29h 31m

Toronto Pearson Intl

Tue 10/11

9:30 a.m.-11:53 p.m.

1 stop16h 23m

C$ 439

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Sat 7/11

10:39 a.m.-6:10 p.m.

1 stop29h 31m

Toronto Pearson Intl

Mon 9/11

1:40 p.m.-9:48 p.m.

1 stop10h 08m

C$ 456

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Sat 24/10

10:38 a.m.-9:36 p.m.

1 stop8h 58m

Toronto Pearson Intl

Mon 2/11

6:55 p.m.-8:26 a.m.

1 stop15h 31m

C$ 473

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Thu 15/10

7:12 a.m.-5:45 a.m.

2 stops20h 33m

Toronto Pearson Intl

Mon 19/10

4:45 p.m.-5:21 p.m.

1 stop26h 36m

C$ 477

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Sat 24/10

6:05 a.m.-9:19 p.m.

2 stops13h 14m

Toronto Pearson Intl

Mon 2/11

1:00 p.m.-5:22 p.m.

1 stop30h 22m

C$ 484

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Wed 14/10

1:05 p.m.-5:45 a.m.

2 stops14h 40m

Toronto Pearson Intl

Mon 19/10

4:45 p.m.-5:21 p.m.

1 stop26h 36m

C$ 497

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Wed 14/10

7:31 a.m.-5:45 a.m.

2 stops20h 14m

Toronto Pearson Intl

Mon 19/10

4:45 p.m.-5:21 p.m.

1 stop26h 36m

C$ 501

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Wed 14/10

1:05 p.m.-5:45 a.m.

2 stops14h 40m

Toronto Pearson Intl

Mon 19/10

4:45 p.m.-5:21 p.m.

1 stop26h 36m

C$ 501

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Sat 24/10

11:35 a.m.-4:45 p.m.

Nonstop3h 10m

Toronto Pearson Intl

Mon 2/11

2:55 p.m.-4:50 p.m.

Nonstop3h 55m

C$ 648

Quickest round-trip

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Wed 4/11

1:30 p.m.-6:37 p.m.

Nonstop3h 07m

Toronto Pearson Intl

Wed 11/11

2:55 p.m.-4:50 p.m.

Nonstop3h 55m

C$ 662

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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

In general, November is the cheapest month to fly from Colorado to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 782. If you are unable to visit Region of Ontario during the month of November, then departing from Colorado during the month January is also very affordable. Most momondo users find prices during this month for around C$ 812.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from Colorado to Region of Ontario is on a Monday. Travellers who choose to depart for Region of Ontario on a Monday will often find tickets for as low as C$ 386. The most expensive day to fly to Region of Ontario is Friday, with ticket prices averaging around C$ 953.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from Colorado to Region of Ontario during this time can be as low as C$ 386. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 955 on average. Flights to Region of Ontario from Colorado at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Colorado to Ontario flight route?

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

How far in advance should I book a flight from Colorado to Ontario?

You are more likely to see cheaper flights to Region of Ontario from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 859 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Colorado for as low as C$ 507 on momondo.

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 60% 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$ 208
Fastest flight time	3h 06m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from Colorado in the past 72 hours is C$ 208. The best round-trip flight deal from Colorado to Region of Ontario found on momondo in the last 72 hours is C$ 439.

The fastest flight from Colorado to Region of Ontario takes 3h 06m

Direct flights go from Colorado to Region of Ontario every day.

There are 125 airports in Region of Ontario. From Colorado there are direct flights to Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from Colorado to Ontario

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?
As of September 2026, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Colorado and Region of Ontario, the leading plane model is Boeing 737-800, making up 22.22% of the total bookings. Other popular models include Airbus A220-300 with 20.51%, Airbus A319 with 16.85%, and Airbus A220 with 7.94%.

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 Canada	PriceFrom C$ 365	Free Cancellation	Rating 7.1 11,682 reviews		Search Air Canada 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.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular Cities in Ontario

Flights to Torontofrom C$ 160

Flights to Vancouverfrom C$ 109

Flights to Calgaryfrom C$ 117

Flights to Montrealfrom C$ 216

Flights to Halifaxfrom C$ 168

Flights to Winnipegfrom C$ 165

Flights to Ottawafrom C$ 181

Flights to Kelownafrom C$ 121

Flights to Saskatoonfrom C$ 90

Flights to St. John'sfrom C$ 209

Flights to Reginafrom C$ 202

Flights to Québec Cityfrom C$ 315

Cheap flights from Colorado to Ontario from C$ 208

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 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Colorado to Ontario

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United Airlines flights from Colorado to Region of Ontario

Our best United Airlines deals on Colorado to Region of Ontario flight tickets

American Airlines flights from Colorado to Region of Ontario

Our best American Airlines deals on Colorado to Region of Ontario flight tickets

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

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

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest Colorado to Ontario flight route?

How far in advance should I book a flight from Colorado to Ontario?

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

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

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

How many flights depart from Colorado to Region of Ontario on average per day?

How many flights depart from Colorado to Region of Ontario on average per week?

How long is the flight from Colorado to Region of Ontario?

Cheap Colorado to Region of Ontario flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from Colorado to 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

Why use momondo?

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo

Colorado flight routes

According to popular flight searches on momondo this year

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