Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Denver from C$ 320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Denver departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:27 p.m. - 8:52 a.m.YOW-COS
15h 25m2 stops
United Airlines Logo
11:43 a.m. - 9:18 p.m.COS-YOW
7h 35m1 stop
C$ 421United Airlines
Find Deal
Sun, 1 Feb - Thu, 5 Feb
United Airlines Logo
3:30 p.m. - 9:59 p.m.YYZ-COS
8h 29m2 stops
United Airlines Logo
10:22 a.m. - 11:59 p.m.COS-YYZ
11h 37m2 stops
C$ 560United Airlines
Find Deal
Tue, 16 Dec - Thu, 25 Dec
United Airlines Logo
9:00 p.m. - 12:31 p.m.YYZ-COS
17h 31m2 stops
United Airlines Logo
5:59 a.m. - 4:02 p.m.COS-YYZ
8h 03m2 stops
C$ 591United Airlines
Find Deal
Tue, 17 Feb - Sat, 28 Feb
Air Canada Logo
12:30 p.m. - 8:52 a.m.YTZ-COS
22h 22m2 stops
Air Canada Logo
8:40 a.m. - 7:55 p.m.COS-YTZ
9h 15m2 stops
C$ 603Air Canada
Find Deal
Wed, 21 Jan - Fri, 23 Jan
United Airlines Logo
9:00 p.m. - 11:24 a.m.YYZ-COS
16h 24m1 stop
United Airlines Logo
9:27 a.m. - 11:59 p.m.COS-YYZ
12h 32m2 stops
C$ 623United Airlines
Find Deal
Sun, 4 Jan - Thu, 8 Jan
United Airlines Logo
6:20 a.m. - 11:02 a.m.YOW-COS
6h 42m1 stop
United Airlines Logo
11:43 a.m. - 9:18 p.m.COS-YOW
7h 35m1 stop
C$ 626United Airlines
Find Deal
Sun, 1 Feb - Thu, 5 Feb
United Airlines Logo
8:30 a.m. - 9:11 p.m.YYZ-COS
14h 41m1 stop
United Airlines Logo
7:00 a.m. - 3:02 p.m.COS-YYZ
6h 02m1 stop
C$ 633United Airlines
Find Deal
Thu, 18 Dec - Thu, 25 Dec
United Airlines Logo
9:00 p.m. - 2:29 p.m.YYZ-COS
19h 29m2 stops
United Airlines Logo
6:00 a.m. - 11:59 p.m.COS-YYZ
15h 59m1 stop
C$ 648United Airlines
Find Deal
Mon, 15 Dec - Fri, 26 Dec
American Airlines Logo
10:00 a.m. - 12:02 p.m.YOW-COS
28h 02m3 stops
American Airlines Logo
12:25 p.m. - 12:41 a.m.COS-YOW
34h 16m2 stops
C$ 1,270American Airlines
Find Deal
Mon, 15 Dec - Fri, 19 Dec
American Airlines Logo
9:10 a.m. - 11:47 p.m.YOW-COS
16h 37m3 stops
American Airlines Logo
12:22 p.m. - 4:53 p.m.COS-YOW
26h 31m2 stops
C$ 1,448American Airlines
Find Deal
Mon, 29 Dec - Thu, 1 Jan

United Airlines flights from Region of Ontario to Colorado Springs

Our best United Airlines deals on Region of Ontario to Colorado Springs flight tickets
United Airlines
1 Feb
YOW7:27 p.m.Ottawa
15h 25m
2 stops
COS8:52 a.m.Colorado Springs
5 Feb
COS11:43 a.m.Colorado Springs
7h 35m
1 stop
YOW9:18 p.m.Ottawa
C$ 421
Find similar
United Airlines
17 Feb
YYZ9:00 p.m.Toronto Pearson Intl
17h 31m
2 stops
COS12:31 p.m.Colorado Springs
28 Feb
COS5:59 a.m.Colorado Springs
8h 03m
2 stops
YYZ4:02 p.m.Toronto Pearson Intl
C$ 591
Find similar
United Airlines
4 Jan
YYZ9:00 p.m.Toronto Pearson Intl
16h 24m
1 stop
COS11:24 a.m.Colorado Springs
8 Jan
COS9:27 a.m.Colorado Springs
12h 32m
2 stops
YYZ11:59 p.m.Toronto Pearson Intl
C$ 623
Find similar

Delta flights from Region of Ontario to Colorado Springs

Our best Delta deals on Region of Ontario to Colorado Springs flight tickets
Delta
16 Dec
YYZ6:10 a.m.Toronto Pearson Intl
13h 09m
2 stops
COS5:19 p.m.Colorado Springs
25 Dec
COS2:00 p.m.Colorado Springs
7h 59m
1 stop
YYZ11:59 p.m.Toronto Pearson Intl
C$ 560
Find similar
Delta
10 Mar
YYZ6:15 a.m.Toronto Pearson Intl
8h 50m
1 stop
COS1:05 p.m.Colorado Springs
11 Mar
COS1:40 p.m.Colorado Springs
8h 26m
1 stop
YYZ12:06 a.m.Toronto Pearson Intl
C$ 813
Find similar
Delta
4 Jan
YYZ6:10 a.m.Toronto Pearson Intl
18h 15m
2 stops
COS10:25 p.m.Colorado Springs
8 Jan
COS7:59 a.m.Colorado Springs
12h 42m
2 stops
YYZ10:41 p.m.Toronto Pearson Intl
C$ 870
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Colorado Springs 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, momondo users made 96,600 searches. Data last updated 18 November 2025.
Use the filters below to find and compare flights from Ontario to Colorado Springs that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sun 1/2

7:27 p.m.-8:52 a.m.

2 stops15h 25m

Colorado Springs

Thu 5/2

11:43 a.m.-9:18 p.m.

1 stop7h 35m

C$ 421

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Tue 16/12

3:30 p.m.-9:59 p.m.

2 stops8h 29m

Colorado Springs

Thu 25/12

10:22 a.m.-11:59 p.m.

2 stops11h 37m

C$ 560

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Tue 17/2

9:00 p.m.-12:31 p.m.

2 stops17h 31m

Colorado Springs

Sat 28/2

5:59 a.m.-4:02 p.m.

2 stops8h 03m

C$ 591

TorontoColorado Springs

YTZ - COS

YTZCOS

Toronto Island

Wed 21/1

12:30 p.m.-8:52 a.m.

2 stops22h 22m

Colorado Springs

Fri 23/1

8:40 a.m.-7:55 p.m.

2 stops9h 15m

C$ 603

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sun 4/1

9:00 p.m.-11:24 a.m.

1 stop16h 24m

Colorado Springs

Thu 8/1

9:27 a.m.-11:59 p.m.

2 stops12h 32m

C$ 623

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sun 1/2

6:20 a.m.-11:02 a.m.

1 stop6h 42m

Colorado Springs

Thu 5/2

11:43 a.m.-9:18 p.m.

1 stop7h 35m

C$ 626

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Thu 18/12

8:30 a.m.-9:11 p.m.

1 stop14h 41m

Colorado Springs

Thu 25/12

7:00 a.m.-3:02 p.m.

1 stop6h 02m

C$ 633

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Mon 15/12

9:00 p.m.-2:29 p.m.

2 stops19h 29m

Colorado Springs

Fri 26/12

6:00 a.m.-11:59 p.m.

1 stop15h 59m

C$ 648

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Mon 15/12

10:00 a.m.-12:02 p.m.

3 stops28h 02m

Colorado Springs

Fri 19/12

12:25 p.m.-12:41 a.m.

2 stops34h 16m

C$ 1,270

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Mon 29/12

9:10 a.m.-11:47 p.m.

3 stops16h 37m

Colorado Springs

Thu 1/1

12:22 p.m.-4:53 p.m.

2 stops26h 31m

C$ 1,448

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Denver from

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

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 month to fly to Colorado Springs?

In general, February is the cheapest month to fly from Region of Ontario to Colorado Springs. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 397. If you don’t want to visit Colorado Springs in February, then you should wait until January to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 427.

What is the cheapest day to depart on your flight to Colorado Springs?

The cheapest day to depart on your flight to Colorado Springs is on a Wednesday when prices can be found for as low as C$ 463. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 642. These prices are subject to change though, so be sure to set up a Price Alert for flights to Colorado Springs.

What is the cheapest time of day to depart on your flight to Colorado Springs?

At noon is the cheapest time of day to fly from Region of Ontario to Colorado Springs when you can find flight prices for as low as C$ 400. Flying to Colorado Springs at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Colorado Springs, so prices are often more expensive at around C$ 572 per ticket.

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

You could potentially save up to 52% on your flight if you consider stops on a Region of Ontario to Colorado Springs flight.

Cheap Region of Ontario to Colorado Springs flight deals and tips

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

Direct flights

None
There are no direct flights from Region of Ontario to Colorado Springs. There are no popular flight routes from Region of Ontario to Colorado Springs.
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Colorado Springs Airport.

  • What documentation or ID do you need to fly to Colorado Springs Airport?

    The required travel and health documents for your Colorado Springs Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado Springs Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Region of Ontario to Colorado Springs

Compare and see reviews for airlines that fly from Region of Ontario to Colorado Springs with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 372Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 400Free CancellationRating
7.1
10,462 reviews
Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Colorado Springs . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Colorado Springs from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Ontario and Colorado Springs by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Ontario to Colorado Springs now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado Springs and let you know when they change.

An easier way to manage your Colorado Springs 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 18/12
Thu 25/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States