How long does it take to fly to Ottawa?

Average flight duration from Colorado to Ottawa depends on which airport you fly into and out of. Flying from Denver to Montreal Pierre Elliott Trudeau Intl Airport is 3h 43m on average, while flying from Colorado Springs to Montreal Pierre Elliott Trudeau Intl Airport is 9h 04m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

What airlines fly to Ottawa?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Ottawa from Colorado according to our data. Air Canada is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

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

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

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

As of November 2025, there are 3 operators available to choose from for flights from Colorado to Ottawa Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$163 Cheap Flights from Colorado to Ottawa in 2025/26

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Find the cheapest flights from Colorado to Ottawa

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 11:58 pmDEN-YOW

13h 13m1 stop

4:20 pm - 7:50 amYOW-DEN

17h 30m1 stop

$279Multiple Airlines

Find Deal

Fri, Jan 9 - Sun, Jan 11

8:45 am - 11:58 pmDEN-YOW

13h 13m1 stop

4:15 pm - 12:21 pmYOW-DEN

22h 06m2 stops

$301Multiple Airlines

Find Deal

Fri, Jan 9 - Sun, Jan 11

11:15 pm - 5:25 pmDEN-YOW

16h 10m2 stops

4:20 pm - 11:04 pmYOW-DEN

32h 44m1 stop

$354Multiple Airlines

Find Deal

Mon, Dec 1 - Sun, Dec 7

11:15 pm - 5:25 pmDEN-YOW

16h 10m2 stops

4:20 pm - 11:04 pmYOW-DEN

32h 44m1 stop

$358Multiple Airlines

Find Deal

Mon, Dec 1 - Sun, Dec 7

5:05 pm - 9:18 pmCOS-YOW

26h 13m2 stops

5:11 pm - 11:26 amYOW-COS

20h 15m2 stops

$377United Airlines

Find Deal

Mon, Jan 19 - Mon, Jan 26

10:30 am - 1:34 amCOS-YOW

13h 04m2 stops

2:50 pm - 8:47 amYOW-COS

19h 57m2 stops

$454Air Canada

Find Deal

Tue, Apr 7 - Thu, Apr 9

1:00 pm - 9:14 pmASE-YOW

6h 14m1 stop

5:25 pm - 8:51 amYOW-ASE

17h 26m2 stops

$571United Airlines

Find Deal

Thu, Apr 2 - Mon, Apr 6

5:30 pm - 1:38 amDEN-YOW

6h 08m1 stop

5:35 pm - 8:55 amYOW-DEN

17h 20m1 stop

$732Air Canada

Find Deal

Tue, Dec 23 - Tue, Jan 6

3:17 pm - 4:51 pmCOS-YOW

23h 34m2 stops

10:00 am - 9:51 amYOW-COS

25h 51m3 stops

$744American Airlines

Find Deal

Mon, Jan 19 - Mon, Jan 26

6:44 am - 12:41 amDEN-YOW

15h 57m2 stops

6:45 am - 11:16 pmYOW-DEN

18h 31m2 stops

$803American Airlines

Find Deal

Tue, Dec 23 - Tue, Jan 6

United Airlines flights from Colorado to Ottawa

Our best United Airlines deals on Colorado to Ottawa flight tickets

United Airlines

Jan 19

COS5:05 pmColorado Springs

26h 13m

2 stops

YOW9:18 pmOttawa

Jan 26

YOW5:11 pmOttawa

20h 15m

2 stops

COS11:26 amColorado Springs

$377

Find similar

United Airlines

Apr 2

ASE1:00 pmAspen Pitkin County

6h 14m

1 stop

YOW9:14 pmOttawa

Apr 6

YOW5:25 pmOttawa

17h 26m

2 stops

ASE8:51 amAspen Pitkin County

$571

Find similar

United Airlines

Apr 2

ASE1:00 pmAspen Pitkin County

18h 11m

2 stops

YOW9:11 amOttawa

Apr 6

YOW5:25 pmOttawa

17h 26m

2 stops

ASE8:51 amAspen Pitkin County

$576

Find similar

Air Canada flights from Colorado to Ottawa

Our best Air Canada deals on Colorado to Ottawa flight tickets

Air Canada

Apr 7

COS10:30 amColorado Springs

13h 04m

2 stops

YOW1:34 amOttawa

Apr 9

YOW2:50 pmOttawa

19h 57m

2 stops

COS8:47 amColorado Springs

$454

Find similar

Air Canada

Dec 23

DEN5:30 pmDenver Intl

6h 08m

1 stop

YOW1:38 amOttawa

Jan 6

YOW5:35 pmOttawa

17h 20m

1 stop

DEN8:55 amDenver Intl

$732

Find similar

Air Canada

Feb 12

DEN5:30 pmDenver Intl

12h 48m

1 stop

YOW8:18 amOttawa

Feb 15

YOW5:35 pmOttawa

17h 20m

1 stop

DEN8:55 amDenver Intl

$748

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 1/9

8:45 am-11:58 pm

1 stop13h 13m

Ottawa

Sun 1/11

4:20 pm-7:50 am

1 stop17h 30m

$279

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 1/9

8:45 am-11:58 pm

1 stop13h 13m

Ottawa

Sun 1/11

4:15 pm-12:21 pm

2 stops22h 06m

$301

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 12/1

11:15 pm-5:25 pm

2 stops16h 10m

Ottawa

Sun 12/7

4:20 pm-11:04 pm

1 stop32h 44m

$354

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 12/1

11:15 pm-5:25 pm

2 stops16h 10m

Ottawa

Sun 12/7

4:20 pm-11:04 pm

1 stop32h 44m

$358

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Mon 1/19

5:05 pm-9:18 pm

2 stops26h 13m

Ottawa

Mon 1/26

5:11 pm-11:26 am

2 stops20h 15m

$377

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Tue 4/7

10:30 am-1:34 am

2 stops13h 04m

Ottawa

Thu 4/9

2:50 pm-8:47 am

2 stops19h 57m

$454

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Thu 4/2

1:00 pm-9:14 pm

1 stop6h 14m

Ottawa

Mon 4/6

5:25 pm-8:51 am

2 stops17h 26m

$571

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 12/23

5:30 pm-1:38 am

1 stop6h 08m

Ottawa

Tue 1/6

5:35 pm-8:55 am

1 stop17h 20m

$732

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Mon 1/19

3:17 pm-4:51 pm

2 stops23h 34m

Ottawa

Mon 1/26

10:00 am-9:51 am

3 stops25h 51m

$744

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 12/23

6:44 am-12:41 am

2 stops15h 57m

Ottawa

Tue 1/6

6:45 am-11:16 pm

2 stops18h 31m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Ottawa

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

Other information

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

The cheapest day to depart from Colorado to Ottawa is on a Wednesday. Travelers who choose to depart for Ottawa on a Wednesday will often find tickets for as low as $391. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $756.

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

In the afternoon is the cheapest time of day to fly from Colorado to Ottawa when you can find flight prices for as low as $411. Flying to Ottawa in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $579 on average. Flights to Ottawa from Colorado at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Colorado to Ottawa flight deals and tips

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

Direct flights	None

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

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When did momondo last update prices for flights from Colorado to Ottawa Airport?
Prices for flights from Colorado to Ottawa Airport were last updated today.
How many operators does momondo search for flights from Colorado to Ottawa Airport?
As of November 2025, there are 3 operators available to choose from for flights from Colorado to Ottawa Airport.
How old do you have to be to fly from Colorado to Ottawa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Colorado to Ottawa

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

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $143	Free Cancellation	Rating 7.2 3,156 reviews	Search WestJet flights
Air Canada	PriceFrom $290	Free Cancellation	Rating 7.1 10,429 reviews	Search Air Canada flights
United Airlines	PriceFrom $309	Free Cancellation	Rating 7.4 9,012 reviews	Search United Airlines flights

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Brockville

Petawawa

Pembroke

Smiths Falls

Perth

Prescott

Winchester

Wakefield

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

It is quick and easy to find Colorado to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Ottawa.

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

If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from Colorado and alert you when they change.