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Cheap flights from Ontario to Denver from C$ 243

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 15/3. 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

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Find the cheapest flights from Ontario to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:25 a.m. - 11:10 a.m.
YOW
-
COS
6h 45m
1 stop
United Airlines Logo
1:30 p.m. - 10:03 a.m.
COS
-
YOW
18h 33m
2 stops
C$ 397United Airlines
Tue, 28 Jul - Tue, 4 Aug
United Airlines Logo
2:40 p.m. - 11:59 p.m.
YOW
-
COS
11h 19m
2 stops
United Airlines Logo
1:25 p.m. - 9:11 a.m.
COS
-
YOW
17h 46m
2 stops
C$ 421United Airlines
Mon, 4 May - Mon, 11 May
United Airlines Logo
6:25 a.m. - 11:10 a.m.
YOW
-
COS
6h 45m
1 stop
United Airlines Logo
12:16 p.m. - 9:35 p.m.
COS
-
YOW
7h 19m
1 stop
C$ 471United Airlines
Tue, 28 Jul - Tue, 4 Aug
United Airlines Logo
9:00 p.m. - 12:36 p.m.
YYZ
-
COS
17h 36m
2 stops
United Airlines Logo
11:40 a.m. - 9:32 p.m.
COS
-
YYZ
7h 52m
1 stop
C$ 486United Airlines
Mon, 13 Apr - Mon, 20 Apr
Delta Logo
1:30 p.m. - 8:20 p.m.
YYZ
-
COS
8h 50m
1 stop
Delta Logo
6:15 a.m. - 5:15 p.m.
COS
-
YYZ
9h 00m
1 stop
C$ 514Delta
Mon, 13 Apr - Sun, 19 Apr
American Airlines Logo
12:30 p.m. - 11:52 a.m.
YUL
-
COS
25h 22m
1 stop
American Airlines Logo
12:22 p.m. - 11:44 a.m.
COS
-
YUL
21h 22m
1 stop
C$ 521American Airlines
Fri, 10 Apr - Mon, 13 Apr
American Airlines Logo
12:30 p.m. - 11:52 a.m.
YUL
-
COS
25h 22m
1 stop
American Airlines Logo
5:41 a.m. - 2:44 p.m.
COS
-
YUL
7h 03m
1 stop
C$ 539American Airlines
Fri, 10 Apr - Sun, 12 Apr
Delta Logo
12:42 p.m. - 8:28 p.m.
YUL
-
COS
9h 46m
1 stop
Delta Logo
6:20 a.m. - 11:40 p.m.
COS
-
YUL
15h 20m
2 stops
C$ 544Delta
Fri, 13 Mar - Mon, 16 Mar
American Airlines Logo
3:45 p.m. - 11:32 p.m.
YUL
-
COS
9h 47m
1 stop
American Airlines Logo
5:13 p.m. - 2:44 p.m.
COS
-
YUL
19h 31m
1 stop
C$ 557American Airlines
Thu, 9 Apr - Sun, 12 Apr
Delta Logo
7:00 a.m. - 10:29 p.m.
YUL
-
COS
17h 29m
2 stops
Delta Logo
1:40 p.m. - 8:43 a.m.
COS
-
YUL
17h 03m
2 stops
C$ 583Delta
Sun, 7 Jun - Sat, 13 Jun

Delta flights from Region of Ontario to Colorado Springs

Our best Delta deals on Region of Ontario to Colorado Springs flight tickets
Delta
13 Apr
YYZ1:30 p.m.Toronto Pearson Intl
8h 50m
1 stop
COS8:20 p.m.Colorado Springs
19 Apr
COS6:15 a.m.Colorado Springs
9h 00m
1 stop
YYZ5:15 p.m.Toronto Pearson Intl
C$ 514
Delta
13 Mar
YUL12:42 p.m.Montreal Pierre Elliott Trudeau Intl
9h 46m
1 stop
COS8:28 p.m.Colorado Springs
16 Mar
COS6:20 a.m.Colorado Springs
15h 20m
2 stops
YUL11:40 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 544
Delta
7 Jun
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 29m
2 stops
COS10:29 p.m.Colorado Springs
13 Jun
COS1:40 p.m.Colorado Springs
17h 03m
2 stops
YUL8:43 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 583

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
28 Jul
YOW6:25 a.m.Ottawa
6h 45m
1 stop
COS11:10 a.m.Colorado Springs
4 Aug
COS1:30 p.m.Colorado Springs
18h 33m
2 stops
YOW10:03 a.m.Ottawa
C$ 397
United Airlines
4 May
YOW2:40 p.m.Ottawa
11h 19m
2 stops
COS11:59 p.m.Colorado Springs
11 May
COS1:25 p.m.Colorado Springs
17h 46m
2 stops
YOW9:11 a.m.Ottawa
C$ 421
United Airlines
28 Jul
YOW6:25 a.m.Ottawa
6h 45m
1 stop
COS11:10 a.m.Colorado Springs
4 Aug
COS12:16 p.m.Colorado Springs
7h 19m
1 stop
YOW9:35 p.m.Ottawa
C$ 471

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 26 February 2026.
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

Tue 28/7

6:25 a.m.-11:10 a.m.

1 stop6h 45m

Colorado Springs

Tue 4/8

1:30 p.m.-10:03 a.m.

2 stops18h 33m

C$ 397

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Mon 4/5

2:40 p.m.-11:59 p.m.

2 stops11h 19m

Colorado Springs

Mon 11/5

1:25 p.m.-9:11 a.m.

2 stops17h 46m

C$ 421

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 28/7

6:25 a.m.-11:10 a.m.

1 stop6h 45m

Colorado Springs

Tue 4/8

12:16 p.m.-9:35 p.m.

1 stop7h 19m

C$ 471

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Mon 13/4

9:00 p.m.-12:36 p.m.

2 stops17h 36m

Colorado Springs

Mon 20/4

11:40 a.m.-9:32 p.m.

1 stop7h 52m

C$ 486

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Mon 13/4

1:30 p.m.-8:20 p.m.

1 stop8h 50m

Colorado Springs

Sun 19/4

6:15 a.m.-5:15 p.m.

1 stop9h 00m

C$ 514

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

12:30 p.m.-11:52 a.m.

1 stop25h 22m

Colorado Springs

Mon 13/4

12:22 p.m.-11:44 a.m.

1 stop21h 22m

C$ 521

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Fri 10/4

12:30 p.m.-11:52 a.m.

1 stop25h 22m

Colorado Springs

Sun 12/4

5:41 a.m.-2:44 p.m.

1 stop7h 03m

C$ 539

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

12:42 p.m.-8:28 p.m.

1 stop9h 46m

Colorado Springs

Mon 16/3

6:20 a.m.-11:40 p.m.

2 stops15h 20m

C$ 544

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

3:45 p.m.-11:32 p.m.

1 stop9h 47m

Colorado Springs

Sun 12/4

5:13 p.m.-2:44 p.m.

1 stop19h 31m

C$ 557

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:00 a.m.-10:29 p.m.

2 stops17h 29m

Colorado Springs

Sat 13/6

1:40 p.m.-8:43 a.m.

2 stops17h 03m

C$ 583

Flights are sorted by cheapest round-trip flights first.

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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

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

You could potentially save up to 57% 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

Fastest flight time

5h 52m

Direct flights

None
The fastest flight from Region of Ontario to Colorado Springs takes 5h 52m
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
Air CanadaPriceFrom C$ 448Free CancellationRating
7.1
10,749 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 463Free CancellationRating
7.4
9,349 reviews
Search United Airlines 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.

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