Which airlines fly to Colorado?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Colorado from Ottawa according to our data. Air Canada is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

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

When did momondo last update prices for flights from Ottawa Airport to Colorado?

Prices for flights from Ottawa Airport to Colorado are updated daily.

How many operators does momondo search for flights from Ottawa Airport to Colorado?

As of March 2026, there are 3 operators available to choose from for flights from Ottawa Airport to Colorado.

How old do you have to be to fly from Ottawa Airport to Colorado?

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 Ottawa Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents you'll need for your trip to Colorado 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 Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 324 Cheap Flights from Ottawa to Colorado in 2026

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Find the cheapest flights from Ottawa to Colorado

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 a.m. - 10:47 a.m.

YOW

COS

6h 22m

1 stop

5:12 p.m. - 1:59 p.m.

COS

YOW

18h 47m

2 stops

C$ 404United Airlines

Tue, 5 May - Wed, 6 May

2:40 p.m. - 9:57 p.m.

YOW

COS

9h 17m

2 stops

6:00 a.m. - 9:16 p.m.

COS

YOW

13h 16m

2 stops

C$ 473Multiple Airlines

Tue, 7 Apr - Thu, 9 Apr

5:25 p.m. - 9:54 p.m.

YOW

COS

6h 29m

1 stop

6:00 a.m. - 9:16 p.m.

COS

YOW

13h 16m

2 stops

C$ 491Multiple Airlines

Tue, 7 Apr - Thu, 9 Apr

6:25 a.m. - 10:59 a.m.

YOW

COS

6h 34m

1 stop

12:45 p.m. - 9:35 p.m.

COS

YOW

6h 50m

1 stop

C$ 539United Airlines

Thu, 13 Aug - Tue, 18 Aug

6:25 a.m. - 10:47 a.m.

YOW

COS

6h 22m

1 stop

11:43 a.m. - 9:35 p.m.

COS

YOW

7h 52m

1 stop

C$ 546United Airlines

Tue, 5 May - Wed, 6 May

6:25 a.m. - 10:57 a.m.

YOW

COS

6h 32m

1 stop

6:00 a.m. - 10:05 p.m.

COS

YOW

14h 05m

2 stops

C$ 547United Airlines

Tue, 28 Apr - Wed, 29 Apr

10:00 a.m. - 8:02 p.m.

YOW

COS

12h 02m

2 stops

6:00 a.m. - 5:07 p.m.

COS

YOW

9h 07m

2 stops

C$ 549United Airlines

Tue, 7 Apr - Thu, 9 Apr

6:00 a.m. - 9:54 p.m.

YOW

COS

17h 54m

3 stops

1:33 p.m. - 1:36 a.m.

COS

YOW

10h 03m

2 stops

C$ 554Air Canada

Tue, 7 Apr - Thu, 9 Apr

10:44 a.m. - 9:54 p.m.

YOW

COS

13h 10m

1 stop

6:00 a.m. - 4:38 p.m.

COS

YOW

8h 38m

2 stops

C$ 592United Airlines

Tue, 28 Apr - Wed, 29 Apr

10:35 a.m. - 12:20 a.m.

YOW

DEN

15h 45m

1 stop

10:29 p.m. - 5:25 p.m.

DEN

YOW

40h 56m

2 stops

C$ 622Multiple Airlines

Thu, 23 Apr - Tue, 28 Apr

WestJet flights from Ottawa to Colorado

Our best WestJet deals on Ottawa to Colorado flight tickets

WestJet

31 Mar

YOW6:00 a.m.Ottawa

15h 57m

2 stops

DEN7:57 p.m.Denver Intl

1 Apr

DEN6:30 a.m.Denver Intl

40h 10m

2 stops

YOW12:40 a.m.Ottawa

C$ 1,373

WestJet

2 Apr

YOW6:00 a.m.Ottawa

37h 30m

2 stops

DEN5:30 p.m.Denver Intl

6 Apr

DEN6:30 a.m.Denver Intl

32h 23m

2 stops

YOW4:53 p.m.Ottawa

C$ 1,400

WestJet

28 Mar

YOW5:40 a.m.Ottawa

43h 59m

2 stops

DEN11:39 p.m.Denver Intl

4 Apr

DEN6:30 a.m.Denver Intl

32h 23m

2 stops

YOW4:53 p.m.Ottawa

C$ 1,571

United Airlines flights from Ottawa to Colorado

Our best United Airlines deals on Ottawa to Colorado flight tickets

United Airlines

5 May

YOW6:05 a.m.Ottawa

10h 19m

2 stops

COS2:24 p.m.Colorado Springs

6 May

COS6:57 p.m.Colorado Springs

17h 02m

2 stops

YOW1:59 p.m.Ottawa

C$ 403

United Airlines

5 May

YOW6:25 a.m.Ottawa

6h 22m

1 stop

COS10:47 a.m.Colorado Springs

6 May

COS5:12 p.m.Colorado Springs

18h 47m

2 stops

YOW1:59 p.m.Ottawa

C$ 404

United Airlines

13 Aug

YOW6:25 a.m.Ottawa

6h 34m

1 stop

COS10:59 a.m.Colorado Springs

18 Aug

COS12:45 p.m.Colorado Springs

6h 50m

1 stop

YOW9:35 p.m.Ottawa

C$ 539

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 5/5

6:25 a.m.-10:47 a.m.

1 stop6h 22m

Colorado Springs

Wed 6/5

5:12 p.m.-1:59 p.m.

2 stops18h 47m

C$ 404

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 7/4

2:40 p.m.-9:57 p.m.

2 stops9h 17m

Colorado Springs

Thu 9/4

6:00 a.m.-9:16 p.m.

2 stops13h 16m

C$ 473

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 7/4

5:25 p.m.-9:54 p.m.

1 stop6h 29m

Colorado Springs

Thu 9/4

6:00 a.m.-9:16 p.m.

2 stops13h 16m

C$ 491

Quickest round-trip

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Thu 13/8

6:25 a.m.-10:59 a.m.

1 stop6h 34m

Colorado Springs

Tue 18/8

12:45 p.m.-9:35 p.m.

1 stop6h 50m

C$ 539

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 5/5

6:25 a.m.-10:47 a.m.

1 stop6h 22m

Colorado Springs

Wed 6/5

11:43 a.m.-9:35 p.m.

1 stop7h 52m

C$ 546

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 28/4

6:25 a.m.-10:57 a.m.

1 stop6h 32m

Colorado Springs

Wed 29/4

6:00 a.m.-10:05 p.m.

2 stops14h 05m

C$ 547

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 7/4

10:00 a.m.-8:02 p.m.

2 stops12h 02m

Colorado Springs

Thu 9/4

6:00 a.m.-5:07 p.m.

2 stops9h 07m

C$ 549

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 7/4

6:00 a.m.-9:54 p.m.

3 stops17h 54m

Colorado Springs

Thu 9/4

1:33 p.m.-1:36 a.m.

2 stops10h 03m

C$ 554

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 28/4

10:44 a.m.-9:54 p.m.

1 stop13h 10m

Colorado Springs

Wed 29/4

6:00 a.m.-4:38 p.m.

2 stops8h 38m

C$ 592

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 23/4

10:35 a.m.-12:20 a.m.

1 stop15h 45m

Denver Intl

Tue 28/4

10:29 p.m.-5:25 p.m.

2 stops40h 56m

C$ 622

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 Ottawa to Colorado

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

What is the cheapest month to fly to Colorado?

The cheapest month to fly to Colorado from Ottawa is in February. Flight prices, which tend to average around C$ 436, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in February, then you should wait until September to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 448.

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

You are more likely to see cheaper flights to Colorado from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around C$ 702 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Ottawa for as low as C$ 353 on momondo.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 22% on your flight if you consider stops on a Ottawa to Colorado flight.

Cheap Ottawa to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Colorado

Fastest flight time	6h 34m
Direct flights	None

The fastest flight from Ottawa to Colorado takes 6h 34m

There are no direct flights from Ottawa to Colorado. There are no popular flight routes from Ottawa to Colorado.

Search flight deals

When did momondo last update prices for flights from Ottawa Airport to Colorado?
Prices for flights from Ottawa Airport to Colorado are updated daily.
How many operators does momondo search for flights from Ottawa Airport to Colorado?
As of March 2026, there are 3 operators available to choose from for flights from Ottawa Airport to Colorado.
How old do you have to be to fly from Ottawa Airport to Colorado?
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 Ottawa Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents you'll need for your trip to Colorado 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 Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ottawa to Colorado

Compare and see reviews for airlines that fly from Ottawa to Colorado with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 304	Free Cancellation	Rating 7.4 9,484 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 329	Free Cancellation	Rating 7.2 3,303 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 385	Free Cancellation	Rating 7.1 10,842 reviews	Search Air Canada flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Colorado. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Colorado from Ottawa with this policy.

How can momondo help me find flights from Ottawa to Colorado?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Ottawa.

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

Yes momondo offers price alerts on flights to Colorado from Ottawa. 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.