How long is the flight from Colorado to Toronto?

Airlines like WestJet, American Airlines, and Delta fly from Colorado to Toronto in about 8h 51m. The time it takes to get you to your destination can typically vary by up to 20h 44m. There are 2111 km between Colorado and Toronto. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Toronto ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Toronto, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

What are the most popular routes from Colorado to Toronto?

When deciding which route to take from Colorado to Toronto consider Denver Intl - Toronto Pearson Intl, Denver Intl - Toronto Island or Colorado Springs - Toronto Pearson Intl as they are the most popular.

What are the cheapest flights from Colorado to Toronto?

While on average a flight from Colorado to Toronto is generally C$ 645, our data shows the cheapest flight currently is C$ 260. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 450 for that flight.

What are the most reliable airlines from Colorado to Toronto?

No one likes to see their flight delayed. When booking a flight from Colorado to Toronto consider choosing Air Canada (65%), United Airlines (65%) or Brussels Airlines (63%) as they are the most reliable in getting you off to your destination on time.

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

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

How can I find direct flights from Colorado to Toronto?

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

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

Yes. Cheapflights offers flight deals from Colorado to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 175+ Cheap Flights from Colorado to Toronto

Cheap flight deals from Colorado to Toronto

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Colorado to Toronto
Explore the most affordable flight options available from Colorado to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Mon 19/108:10 a.m. -

1 stop11h 45m

Sun 25/101:00 p.m. -

1 stop30h 21m

Deal found 8/9C$ 413

Sat 10/108:55 p.m. -

1 stop19h 05m

Mon 19/101:45 p.m. -

1 stop20h 34m

Deal found 9/9C$ 438

Thu 15/1012:15 p.m. -

1 stop8h 30m

Mon 19/104:45 p.m. -

1 stop26h 36m

Deal found 9/9C$ 449

Thu 10/124:00 p.m. -

1 stop29h 50m

Mon 14/122:25 p.m. -

1 stop10h 36m

Deal found 10/9C$ 450

Fri 23/108:30 a.m. -

1 stop29h 30m

Wed 28/101:10 p.m. -

1 stop30h 12m

Deal found 8/9C$ 456

Mon 19/108:10 a.m. -

1 stop11h 45m

Tue 27/101:40 p.m. -

1 stop10h 08m

Deal found 8/9C$ 461

Mon 19/108:10 a.m. -

1 stop11h 45m

Thu 22/101:30 p.m. -

2 stops32h 47m

Deal found 9/9C$ 470

Thu 15/108:55 p.m. -

1 stop15h 30m

Mon 19/1010:50 a.m. -

1 stop8h 31m

Deal found 9/9C$ 474

Sat 14/1110:39 a.m. -

1 stop29h 31m

Thu 19/119:35 a.m. -

2 stops16h 14m

Deal found 8/9C$ 478

Fri 2/1012:15 p.m. -

1 stop9h 55m

Wed 7/1010:55 p.m. -

2 stops14h 25m

Deal found 10/9C$ 484

Sat 24/101:07 p.m. -

2 stops14h 38m

Sun 1/111:00 p.m. -

1 stop30h 22m

Deal found 9/9C$ 486

Fri 2/1012:15 p.m. -

1 stop8h 30m

Mon 5/104:45 p.m. -

1 stop26h 31m

Deal found 9/9C$ 489

Best flights from Colorado to Toronto
Discover carefully curated flight deals from Colorado to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Fri 16/108:45 p.m. -

2 stops14h 10m

Mon 26/101:10 p.m. -

1 stop30h 12m

Deal found 10/9C$ 553

Thu 24/912:15 p.m. -

1 stop29h 35m

Wed 30/98:40 p.m. -

1 stop16h 40m

Deal found 6/9C$ 730

Sat 5/121:34 p.m. -

1 stop19h 16m

Tue 8/126:21 p.m. -

1 stop20h 43m

Deal found 10/9C$ 734

Thu 28/17:00 a.m. -

1 stop8h 51m

Mon 1/29:45 a.m. -

2 stops12h 15m

Deal found 9/9C$ 763

Wed 25/1111:25 a.m. -

1 stop8h 11m

Mon 30/118:30 a.m. -

1 stop13h 57m

Deal found 6/9C$ 775

Tue 12/15:50 a.m. -

1 stop8h 57m

Wed 13/14:00 p.m. -

1 stop7h 58m

Deal found 9/9C$ 876

Fri 2/108:55 p.m. -

1 stop15h 30m

Mon 5/101:40 p.m. -

2 stops20h 24m

Deal found 6/9C$ 566

Thu 1/107:12 p.m. -

2 stops18h 48m

Mon 5/1010:50 a.m. -

1 stop8h 26m

Deal found 10/9C$ 571

Fri 9/108:55 p.m. -

1 stop15h 30m

Wed 14/101:45 p.m. -

1 stop20h 34m

Deal found 8/9C$ 598

Wed 21/1012:59 a.m. -

1 stop5h 50m

Fri 23/102:30 p.m. -

1 stop8h 12m

Deal found 6/9C$ 788

Mon 19/106:45 a.m. -

1 stop8h 35m

Sun 25/104:35 p.m. -

1 stop17h 44m

Deal found 6/9C$ 642

Wed 30/95:45 a.m. -

2 stops10h 50m

Wed 7/106:21 p.m. -

1 stop7h 10m

Deal found 6/9C$ 890

Sat 26/98:15 a.m. -

2 stops12h 58m

Fri 2/101:34 p.m. -

1 stop8h 22m

Deal found 8/9C$ 818

Fri 9/104:17 p.m. -

Nonstop3h 15m

Fri 16/104:18 p.m. -

Nonstop3h 38m

Deal found 10/9C$ 904

Fri 2/1012:15 p.m. -

1 stop29h 35m

Sun 4/108:40 p.m. -

1 stop16h 40m

Deal found 7/9C$ 909

Wed 14/106:42 p.m. -

2 stops16h 13m

Sat 17/1010:50 a.m. -

1 stop8h 31m

Deal found 6/9C$ 642

Wed 20/15:00 a.m. -

1 stop7h 10m

Wed 20/15:55 p.m. -

1 stop6h 21m

Deal found 10/9C$ 905

Wed 23/97:12 p.m. -

2 stops18h 48m

Sat 26/910:50 a.m. -

1 stop8h 26m

Deal found 7/9C$ 656

Mon 12/108:55 p.m. -

1 stop15h 30m

Fri 16/101:40 p.m. -

2 stops20h 26m

Deal found 9/9C$ 705

Tue 6/108:20 a.m. -

2 stops33h 30m

Sun 11/108:40 p.m. -

1 stop16h 40m

Deal found 9/9C$ 1,199

Fri 9/1010:29 p.m. -

1 stop20h 51m

Mon 12/104:45 p.m. -

1 stop26h 36m

Deal found 10/9C$ 731

Fri 25/912:15 p.m. -

1 stop29h 35m

Mon 28/98:40 p.m. -

2 stops28h 55m

Deal found 8/9C$ 1,209

Fri 2/1012:15 p.m. -

1 stop29h 35m

Fri 16/108:40 p.m. -

2 stops23h 07m

Deal found 7/9C$ 1,230

Fri 9/108:10 a.m. -

1 stop5h 50m

Fri 16/1010:50 a.m. -

2 stops24h 59m

Deal found 10/9C$ 770

Thu 15/1012:15 p.m. -

1 stop29h 35m

Sun 18/108:40 p.m. -

2 stops29h 15m

Deal found 7/9C$ 1,235

Thu 1/107:50 p.m. -

3 stops24h 35m

Fri 9/106:55 p.m. -

2 stops30h 13m

Deal found 9/9C$ 786

Sun 4/1012:15 p.m. -

1 stop27h 00m

Thu 8/106:10 p.m. -

2 stops31h 45m

Deal found 6/9C$ 1,253

Thu 24/97:50 p.m. -

3 stops17h 15m

Wed 30/96:55 p.m. -

2 stops30h 13m

Deal found 10/9C$ 796

Sun 20/912:15 p.m. -

1 stop29h 35m

Fri 25/98:40 p.m. -

2 stops22h 53m

Deal found 7/9C$ 1,255

Mon 28/97:50 p.m. -

3 stops17h 15m

Mon 5/106:55 p.m. -

2 stops24h 03m

Deal found 7/9C$ 797

Find flight deals from Colorado to Toronto

Round-trip from	C$ 413
One-way from	C$ 175
Popular in	February
Cheapest in	October
Average price	C$ 828
Good round-trip deal	C$ 260 or less
Good one-way deal	C$ 428 or less

19/10-25/10
2 total stops
42h 06m total
Colorado to Toronto

Search Deals

31/10-31/12
1 total stop
30h 36m total
Colorado to Toronto

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 64 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Colorado to Toronto (YTO).

Search Deals

Price to beat on a one-way flight from Colorado to Toronto (YTO).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverToronto

DEN Denver Intl - YTZ Toronto Island

DENYTZ

Denver Intl

Sat 31/10

10:39 a.m.-7:15 p.m.

1 stop30h 36m

Toronto Island

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 175

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Wed 21/10

10:40 a.m.-9:55 p.m.

2 stops33h 15m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 231

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Fri 25/9

12:15 p.m.-1:05 a.m.

1 stop10h 50m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 235

DenverToronto

DEN Denver Intl - YTZ Toronto Island

DENYTZ

Denver Intl

Thu 1/10

7:12 p.m.-4:00 p.m.

2 stops18h 48m

Toronto Island

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 235

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Sat 31/10

10:40 a.m.-6:00 a.m.

3 stops17h 20m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 243

DenverToronto

DEN Denver Intl - YKF Toronto Region of Waterloo Intl

DENYKF

Denver Intl

Fri 25/9

12:15 p.m.-7:50 p.m.

1 stop29h 35m

Toronto Region of Waterloo Intl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 245

DenverToronto

DEN Denver Intl - YKF Toronto Region of Waterloo Intl

DENYKF

Denver Intl

Thu 1/10

12:15 p.m.-7:50 p.m.

1 stop29h 35m

Toronto Region of Waterloo Intl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 261

DenverHamilton

DEN Denver Intl - YHM Hamilton

DENYHM

Denver Intl

Sun 4/10

12:15 p.m.-5:15 p.m.

1 stop27h 00m

Hamilton

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 264

DenverToronto

DEN Denver Intl - YKF Toronto Region of Waterloo Intl

DENYKF

Denver Intl

Sun 4/10

12:15 p.m.-7:50 p.m.

1 stop29h 35m

Toronto Region of Waterloo Intl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 264

DenverToronto

DEN Denver Intl - YYZ Toronto Pearson Intl

DENYYZ

Denver Intl

Thu 5/11

6:09 p.m.-11:52 a.m.

1 stop15h 43m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 268

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Colorado to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Colorado with our price prediction graph.

DEN-YYZ

DEN-YTZ

DEN-YKF

COS-YYZ

DEN-YHM

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.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Toronto

USCO-YTO

DEN-YYZ

DEN-YTZ

DEN-YKF

COS-YYZ

What is the cheapest month to book a flight from Colorado to Toronto?

Currently, November is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 765). Flying from Colorado to Toronto in February is currently the most expensive (average of C$ 948). 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 CO to YTO?

When flying from Colorado to Toronto, 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 Colorado to Toronto

The most flights from USCO to YTO are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Colorado to Toronto?

Airfare is below average for this route at the moment.

Colorado to Toronto flights typically cost between C$ 757 and C$ 977 in October.
The cheapest round-trip price found within the last 5 days was C$ 413 on Multiple Airlines (19 Oct-25 Oct).

How far ahead should I book a flight from Colorado to Toronto?

To ensure you get the cheapest price possible for a flight from Colorado to Toronto, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Colorado to Toronto?
Airlines like WestJet, American Airlines, and Delta fly from Colorado to Toronto in about 8h 51m. The time it takes to get you to your destination can typically vary by up to 20h 44m. There are 2111 km between Colorado and Toronto. This flight may include one or multiple stops.
What are the most popular routes from Colorado to Toronto?
When deciding which route to take from Colorado to Toronto consider Denver Intl - Toronto Pearson Intl, Denver Intl - Toronto Island or Colorado Springs - Toronto Pearson Intl as they are the most popular.
What are the most reliable airlines from Colorado to Toronto?
No one likes to see their flight delayed. When booking a flight from Colorado to Toronto consider choosing Air Canada (65%), United Airlines (65%) or Brussels Airlines (63%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Colorado to Toronto?
While on average a flight from Colorado to Toronto is generally C$ 645, our data shows the cheapest flight currently is C$ 260. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 450 for that flight.
Can I find deals for flights from Colorado to Toronto that include hotel bookings?
Yes. In addition to deals on Colorado to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Colorado to Toronto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Toronto.
Can I find deals for business class flights from Colorado to Toronto?
Yes. Cheapflights offers flight deals from Colorado to Toronto 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 Colorado to Toronto?
Currently, November is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 765). Flying from Colorado to Toronto in February is currently the most expensive (average of C$ 948). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Ontario

Flights by cabin class

Other flight options

Popular flights

Top destinations

Toronto flight routes

Alternative routes for Colorado to Toronto

Newark to Toronto Island flights

Newark to Pearson Intl flights

Newark to Pierre Elliott Trudeau Intl flights

John F Kennedy Intl to Pearson Intl flights

LaGuardia to Pierre Elliott Trudeau Intl flights

LaGuardia to Pearson Intl flights

Dulles Intl to Pierre Elliott Trudeau Intl flights

John F Kennedy Intl to Pierre Elliott Trudeau Intl flights

Los Angeles to Pearson Intl flights

LaGuardia to Toronto Island flights

Reagan-National to Pierre Elliott Trudeau Intl flights

Dulles Intl to Pearson Intl flights

Reagan-National to Pearson Intl flights

O'Hare Intl to Pearson Intl flights

Boston to Pearson Intl flights

Boston to Toronto Island flights

Dallas/Fort Worth to Pearson Intl flights

San Francisco to Pearson Intl flights

O'Hare Intl to Pierre Elliott Trudeau Intl flights

John F Kennedy Intl to Toronto Island flights

Boston to Pierre Elliott Trudeau Intl flights

Los Angeles to Pierre Elliott Trudeau Intl flights

Newark to Hamilton flights

Dulles Intl to Toronto Island flights

Atlanta to Pearson Intl flights

Hobby to Pearson Intl flights

Baltimore to Pierre Elliott Trudeau Intl flights

Seattle to Pearson Intl flights

Fort Lauderdale to Pearson Intl flights

Philadelphia to Pearson Intl flights

Fort Lauderdale to Pierre Elliott Trudeau Intl flights

Baltimore to Pearson Intl flights

O'Hare Intl to Toronto Island flights

George Bush Intcntl to Pearson Intl flights

San Francisco to Pierre Elliott Trudeau Intl flights

Orlando to Pearson Intl flights

Philadelphia to Pierre Elliott Trudeau Intl flights

Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights

Miami to Pierre Elliott Trudeau Intl flights

Reagan-National to Toronto Island flights

Minneapolis to Pearson Intl flights

Midway to Pierre Elliott Trudeau Intl flights

Newark to Ottawa flights

Midway to Pearson Intl flights

Miami to Pearson Intl flights

Denver to Pearson Intl flights

Atlanta to Pierre Elliott Trudeau Intl flights

Denver to Pierre Elliott Trudeau Intl flights

Ontario to Pearson Intl flights

Top airline flying from Colorado to Toronto

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 353	AverageC$ 933	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

When you search for this flight from Colorado to Toronto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Colorado to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Colorado to Toronto with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Toronto from Colorado today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Colorado to Toronto from C$ 175

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Colorado to Toronto

Cheapest flights from Colorado to TorontoExplore the most affordable flight options available from Colorado to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Explore the most affordable flight options available from Colorado to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Colorado to TorontoDiscover carefully curated flight deals from Colorado to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from Colorado to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Colorado to TorontoExplore direct flight options from Colorado to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Explore direct flight options from Colorado to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Colorado to TorontoDiscover last-minute flight deals from Colorado to Toronto. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Toronto. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Colorado to TorontoSearch for one-way flight options from Colorado to Toronto. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from Colorado to Toronto. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from Colorado to Toronto

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Toronto that are best for you.

Best time to book a flight from Colorado to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from Colorado with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Colorado to Toronto?

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

Find hourly flight availability from Colorado to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2026.

When flying from Colorado to Toronto, 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 Colorado to Toronto

Explore weekly flight availability from Colorado to Toronto. 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 11 September 2026.

The most flights from USCO to YTO are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Colorado to Toronto?

Airfare is below average for this route at the moment.

Colorado to Toronto flights typically cost between C$ 757 and C$ 977 in October.The cheapest round-trip price found within the last 5 days was C$ 413 on Multiple Airlines (19 Oct-25 Oct).

How far ahead should I book a flight from Colorado to Toronto?

To ensure you get the cheapest price possible for a flight from Colorado to Toronto, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from Colorado to Toronto?

What are the most popular routes from Colorado to Toronto?

What are the most reliable airlines from Colorado to Toronto?

What are the cheapest flights from Colorado to Toronto?

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

How can I find direct flights from Colorado to Toronto?

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

What is the cheapest month to book a flight from Colorado to Toronto?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Toronto

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Toronto by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Ontario

Book a non-stop flight to one of these other cities located in Ontario.

Search flights from Colorado to Toronto by cabin class

Find flights from Colorado to Toronto, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Colorado and Toronto flights

Browse other Colorado and Toronto flight options. Last updated on 11 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Colorado to Toronto flights

Consider these flights travelling from Colorado to Toronto.

Other flights to Toronto

Explore flights to Toronto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2026.

Top airline flying from Colorado to Toronto

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Colorado to Toronto
Explore the most affordable flight options available from Colorado to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from Colorado to Toronto
Discover carefully curated flight deals from Colorado to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Direct flights from Colorado to Toronto
Explore direct flight options from Colorado to Toronto based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2026.

Last-minute flights from Colorado to Toronto
Discover last-minute flight deals from Colorado to Toronto. Data last updated 11 September 2026 and is based on user searches.

One-way flights from Colorado to Toronto
Search for one-way flight options from Colorado to Toronto. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Colorado to Toronto flights typically cost between C$ 757 and C$ 977 in October.
The cheapest round-trip price found within the last 5 days was C$ 413 on Multiple Airlines (19 Oct-25 Oct).