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 61% 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.

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 December 2025, 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$ 246 Cheap Flights from Ottawa to Colorado in 2025/26

1 adult

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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.

7:00 a.m. - 10:13 a.m.

YOW

DEN

29h 13m2 stops

11:59 p.m. - 5:13 p.m.

DEN

YOW

15h 14m1 stop

C$ 411Multiple Airlines

Tue, 3 Feb - Tue, 10 Feb

4:20 p.m. - 10:00 a.m.

YOW

DEN

19h 40m1 stop

11:59 p.m. - 5:13 p.m.

DEN

YOW

15h 14m1 stop

C$ 426Multiple Airlines

Tue, 3 Feb - Tue, 10 Feb

10:00 a.m. - 4:32 p.m.

YOW

COS

8h 32m2 stops

1:33 p.m. - 9:11 a.m.

COS

YOW

17h 38m2 stops

C$ 430United Airlines

Tue, 14 Apr - Mon, 20 Apr

9:40 a.m. - 2:25 p.m.

YOW

DEN

30h 45m1 stop

9:12 p.m. - 5:25 p.m.

DEN

YOW

18h 13m2 stops

C$ 446Multiple Airlines

Mon, 12 Jan - Fri, 16 Jan

9:40 a.m. - 12:19 p.m.

YOW

DEN

52h 39m2 stops

6:32 p.m. - 5:13 p.m.

DEN

YOW

20h 41m1 stop

C$ 453Multiple Airlines

Mon, 19 Jan - Mon, 26 Jan

9:40 a.m. - 8:00 p.m.

YOW

DEN

12h 20m1 stop

7:00 a.m. - 5:25 p.m.

DEN

YOW

32h 25m2 stops

C$ 491Multiple Airlines

Thu, 5 Feb - Thu, 12 Feb

6:25 a.m. - 9:50 p.m.

YOW

COS

17h 25m1 stop

7:00 a.m. - 9:14 p.m.

COS

YOW

12h 14m2 stops

C$ 512United Airlines

Tue, 14 Apr - Sat, 18 Apr

12:00 p.m. - 7:31 p.m.

YOW

COS

9h 31m2 stops

1:33 p.m. - 1:34 a.m.

COS

YOW

10h 01m2 stops

C$ 522Air Canada

Mon, 13 Apr - Mon, 20 Apr

5:00 a.m. - 2:30 p.m.

YOW

COS

11h 30m2 stops

10:28 a.m. - 9:14 p.m.

COS

YOW

8h 46m2 stops

C$ 571Air Canada

Sun, 12 Apr - Tue, 21 Apr

5:40 a.m. - 8:44 p.m.

YOW

DEN

17h 04m2 stops

10:34 a.m. - 12:39 a.m.

DEN

YOW

12h 05m2 stops

C$ 788Delta

Mon, 2 Feb - Wed, 4 Feb

Delta flights from Ottawa to Colorado

Our best Delta deals on Ottawa to Colorado flight tickets

Delta

9 Apr

YOW5:40 a.m.Ottawa

16h 48m

2 stops

COS8:28 p.m.Colorado Springs

17 Apr

COS1:10 p.m.Colorado Springs

9h 29m

2 stops

YOW12:39 a.m.Ottawa

C$ 755

Find similar

Delta

13 Apr

YOW5:40 a.m.Ottawa

16h 39m

2 stops

COS8:19 p.m.Colorado Springs

17 Apr

COS1:10 p.m.Colorado Springs

9h 29m

2 stops

YOW12:39 a.m.Ottawa

C$ 786

Find similar

Delta

2 Feb

YOW5:40 a.m.Ottawa

17h 04m

2 stops

DEN8:44 p.m.Denver Intl

4 Feb

DEN10:34 a.m.Denver Intl

12h 05m

2 stops

YOW12:39 a.m.Ottawa

C$ 788

Find similar

American Airlines flights from Ottawa to Colorado

Our best American Airlines deals on Ottawa to Colorado flight tickets

American Airlines

11 Apr

YOW10:00 a.m.Ottawa

15h 25m

2 stops

COS11:25 p.m.Colorado Springs

16 Apr

COS5:11 p.m.Colorado Springs

21h 40m

2 stops

YOW4:51 p.m.Ottawa

C$ 817

Find similar

American Airlines

14 Apr

YOW6:45 a.m.Ottawa

18h 40m

3 stops

COS11:25 p.m.Colorado Springs

20 Apr

COS12:31 p.m.Colorado Springs

26h 20m

2 stops

YOW4:51 p.m.Ottawa

C$ 840

Find similar

American Airlines

1 Apr

YOW6:45 a.m.Ottawa

19h 14m

3 stops

COS11:59 p.m.Colorado Springs

7 Apr

COS12:31 p.m.Colorado Springs

26h 20m

2 stops

YOW4:51 p.m.Ottawa

C$ 947

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 3/2

7:00 a.m.-10:13 a.m.

2 stops29h 13m

Denver Intl

Tue 10/2

11:59 p.m.-5:13 p.m.

1 stop15h 14m

C$ 411

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 3/2

4:20 p.m.-10:00 a.m.

1 stop19h 40m

Denver Intl

Tue 10/2

11:59 p.m.-5:13 p.m.

1 stop15h 14m

C$ 426

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 14/4

10:00 a.m.-4:32 p.m.

2 stops8h 32m

Colorado Springs

Mon 20/4

1:33 p.m.-9:11 a.m.

2 stops17h 38m

C$ 430

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 12/1

9:40 a.m.-2:25 p.m.

1 stop30h 45m

Denver Intl

Fri 16/1

9:12 p.m.-5:25 p.m.

2 stops18h 13m

C$ 446

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 19/1

9:40 a.m.-12:19 p.m.

2 stops52h 39m

Denver Intl

Mon 26/1

6:32 p.m.-5:13 p.m.

1 stop20h 41m

C$ 453

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 5/2

9:40 a.m.-8:00 p.m.

1 stop12h 20m

Denver Intl

Thu 12/2

7:00 a.m.-5:25 p.m.

2 stops32h 25m

C$ 491

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 14/4

6:25 a.m.-9:50 p.m.

1 stop17h 25m

Colorado Springs

Sat 18/4

7:00 a.m.-9:14 p.m.

2 stops12h 14m

C$ 512

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Mon 13/4

12:00 p.m.-7:31 p.m.

2 stops9h 31m

Colorado Springs

Mon 20/4

1:33 p.m.-1:34 a.m.

2 stops10h 01m

C$ 522

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sun 12/4

5:00 a.m.-2:30 p.m.

2 stops11h 30m

Colorado Springs

Tue 21/4

10:28 a.m.-9:14 p.m.

2 stops8h 46m

C$ 571

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 2/2

5:40 a.m.-8:44 p.m.

2 stops17h 04m

Denver Intl

Wed 4/2

10:34 a.m.-12:39 a.m.

2 stops12h 05m

C$ 788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 September. Flight prices, which tend to average around C$ 448, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in September, then you should wait until October to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 458.

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

The cheapest day to depart on your flight to Colorado is on a Saturday when prices can be found for as low as C$ 571. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 753.

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

According to our data, the cheapest time of day to fly to Colorado is in the evening. momondo users have found flights departing from Ottawa to Colorado in the evening for as low as C$ 633. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around C$ 922. Of course, these prices can vary depending on the time of year and what airport you fly to.

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$ 673 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$ 386 on momondo.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 52% 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	8h 32m
Direct flights	None

The fastest flight from Ottawa to Colorado takes 8h 32m

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 December 2025, 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 9,102 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 329	Free Cancellation	Rating 7.2 3,209 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 430	Free Cancellation	Rating 7.1 10,551 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.