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

Air Canada is the most popular carrier operating from Ottawa to Colorado

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 62% 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 November 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$ 280 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 p.m. - 7:50 a.m.YOW-DEN

17h 30m1 stop

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

15h 14m1 stop

C$ 379Multiple Airlines

Find Deal

jue., 8 ene. - lun., 12 ene.

10:35 a.m. - 7:31 p.m.YOW-COS

10h 56m2 stops

5:13 p.m. - 9:11 a.m.COS-YOW

13h 58m2 stops

C$ 422United Airlines

Find Deal

mar., 21 abr. - jue., 23 abr.

4:20 p.m. - 7:50 a.m.YOW-DEN

17h 30m1 stop

12:59 a.m. - 11:58 p.m.DEN-YOW

20h 59m2 stops

C$ 424Multiple Airlines

Find Deal

jue., 8 ene. - dom., 11 ene.

9:30 a.m. - 5:50 p.m.YOW-DEN

34h 20m2 stops

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

15h 14m1 stop

C$ 432Multiple Airlines

Find Deal

mar., 6 ene. - lun., 12 ene.

4:20 p.m. - 11:04 p.m.YOW-DEN

32h 44m1 stop

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

15h 14m1 stop

C$ 466Multiple Airlines

Find Deal

mar., 6 ene. - lun., 12 ene.

9:25 a.m. - 7:09 p.m.YOW-DEN

11h 44m1 stop

12:59 a.m. - 5:13 p.m.DEN-YOW

38h 14m2 stops

C$ 473Multiple Airlines

Find Deal

sáb., 6 dic. - mar., 9 dic.

10:35 a.m. - 5:29 p.m.YOW-COS

8h 54m2 stops

1:50 p.m. - 1:34 a.m.COS-YOW

9h 44m2 stops

C$ 504Air Canada

Find Deal

mar., 21 abr. - jue., 23 abr.

2:50 p.m. - 11:59 p.m.YOW-COS

11h 09m2 stops

1:50 p.m. - 1:34 a.m.COS-YOW

9h 44m2 stops

C$ 505Air Canada

Find Deal

mar., 21 abr. - jue., 23 abr.

6:45 a.m. - 10:26 p.m.YOW-DEN

17h 41m2 stops

6:44 a.m. - 12:41 a.m.DEN-YOW

15h 57m2 stops

C$ 862American Airlines

Find Deal

vie., 19 dic. - vie., 26 dic.

9:10 a.m. - 11:26 p.m.YOW-DEN

16h 16m2 stops

5:44 p.m. - 4:51 p.m.DEN-YOW

21h 07m2 stops

C$ 902American Airlines

Find Deal

jue., 18 dic. - vie., 26 dic.

American Airlines flights from Ottawa to Colorado

Our best American Airlines deals on Ottawa to Colorado flight tickets

American Airlines

19 Dec

YOW6:45 a.m.Ottawa

17h 41m

2 stops

DEN10:26 p.m.Denver Intl

26 Dec

DEN6:44 a.m.Denver Intl

15h 57m

2 stops

YOW12:41 a.m.Ottawa

C$ 862

Find similar

American Airlines

18 Dec

YOW9:10 a.m.Ottawa

16h 16m

2 stops

DEN11:26 p.m.Denver Intl

26 Dec

DEN5:44 p.m.Denver Intl

21h 07m

2 stops

YOW4:51 p.m.Ottawa

C$ 902

Find similar

American Airlines

19 Dec

YOW9:10 a.m.Ottawa

9h 54m

2 stops

DEN5:04 p.m.Denver Intl

29 Dec

DEN6:44 a.m.Denver Intl

15h 57m

2 stops

YOW12:41 a.m.Ottawa

C$ 908

Find similar

Air Canada flights from Ottawa to Colorado

Our best Air Canada deals on Ottawa to Colorado flight tickets

Air Canada

21 Apr

YOW10:35 a.m.Ottawa

8h 54m

2 stops

COS5:29 p.m.Colorado Springs

23 Apr

COS1:50 p.m.Colorado Springs

9h 44m

2 stops

YOW1:34 a.m.Ottawa

C$ 504

Find similar

Air Canada

21 Apr

YOW2:50 p.m.Ottawa

11h 09m

2 stops

COS11:59 p.m.Colorado Springs

23 Apr

COS1:50 p.m.Colorado Springs

9h 44m

2 stops

YOW1:34 a.m.Ottawa

C$ 505

Find similar

Air Canada

19 Feb

YOW6:55 p.m.Ottawa

23h 58m

1 stop

DEN4:53 p.m.Denver Intl

24 Feb

DEN7:05 p.m.Denver Intl

9h 38m

1 stop

YOW6:43 a.m.Ottawa

C$ 887

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

jue. 8/1

4:20 p.m.-7:50 a.m.

1 stop17h 30m

Denver Intl

lun. 12/1

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

1 stop15h 14m

C$ 379

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

mar. 21/4

10:35 a.m.-7:31 p.m.

2 stops10h 56m

Colorado Springs

jue. 23/4

5:13 p.m.-9:11 a.m.

2 stops13h 58m

C$ 422

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

jue. 8/1

4:20 p.m.-7:50 a.m.

1 stop17h 30m

Denver Intl

dom. 11/1

12:59 a.m.-11:58 p.m.

2 stops20h 59m

C$ 424

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

mar. 6/1

9:30 a.m.-5:50 p.m.

2 stops34h 20m

Denver Intl

lun. 12/1

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

1 stop15h 14m

C$ 432

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

mar. 6/1

4:20 p.m.-11:04 p.m.

1 stop32h 44m

Denver Intl

lun. 12/1

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

1 stop15h 14m

C$ 466

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

sáb. 6/12

9:25 a.m.-7:09 p.m.

1 stop11h 44m

Denver Intl

mar. 9/12

12:59 a.m.-5:13 p.m.

2 stops38h 14m

C$ 473

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

mar. 21/4

10:35 a.m.-5:29 p.m.

2 stops8h 54m

Colorado Springs

jue. 23/4

1:50 p.m.-1:34 a.m.

2 stops9h 44m

C$ 504

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

mar. 21/4

2:50 p.m.-11:59 p.m.

2 stops11h 09m

Colorado Springs

jue. 23/4

1:50 p.m.-1:34 a.m.

2 stops9h 44m

C$ 505

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

vie. 19/12

6:45 a.m.-10:26 p.m.

2 stops17h 41m

Denver Intl

vie. 26/12

6:44 a.m.-12:41 a.m.

2 stops15h 57m

C$ 862

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

jue. 18/12

9:10 a.m.-11:26 p.m.

2 stops16h 16m

Denver Intl

vie. 26/12

5:44 p.m.-4:51 p.m.

2 stops21h 07m

C$ 902

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 September. Flight prices, which tend to average around C$ 459, 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$ 467.

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$ 582. 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$ 768.

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$ 646. 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$ 941. 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$ 659 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$ 394 on momondo.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 54% 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

Direct flights	None

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 November 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$ 310	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 336	Free Cancellation	Rating 7.2 3,153 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 404	Free Cancellation	Rating 7.1 10,408 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.