What airlines fly to Ottawa?

Air Canada, United Airlines and WestJet 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 58% 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.

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

United Airlines and Air Canada are the most popular carriers operating from Colorado to Ottawa

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 7h 34m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

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 February 2026, 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.

$189 Cheap Flights from Colorado to Ottawa in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Colorado to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:20 pm - 5:25 pm

DEN

YOW

22h 05m

2 stops

9:30 am - 11:09 pm

YOW

DEN

15h 39m

1 stop

$368Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

5:15 pm - 11:25 am

YOW

DEN

20h 10m

2 stops

$401WestJet

Fri, Jun 19 - Tue, Jun 23

9:06 pm - 12:25 am

DEN

YOW

25h 19m

2 stops

4:20 pm - 8:20 am

YOW

DEN

18h 00m

1 stop

$410Multiple Airlines

Mon, Mar 2 - Mon, Mar 9

12:15 pm - 3:25 pm

DEN

YOW

25h 10m

1 stop

5:15 pm - 11:25 am

YOW

DEN

20h 10m

2 stops

$423WestJet

Fri, Jun 19 - Tue, Jun 23

12:15 pm - 3:25 pm

DEN

YOW

25h 10m

1 stop

3:45 pm - 11:25 am

YOW

DEN

21h 40m

1 stop

$429WestJet

Fri, Jun 19 - Tue, Jun 23

6:00 am - 5:25 pm

DEN

YOW

33h 25m

2 stops

9:30 am - 8:20 am

YOW

DEN

24h 50m

1 stop

$450Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

6:00 am - 5:25 pm

DEN

YOW

33h 25m

2 stops

9:30 am - 8:20 am

YOW

DEN

24h 50m

1 stop

$453Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

4:01 pm - 10:26 am

ASE

YOW

16h 25m

2 stops

6:25 am - 11:33 am

YOW

ASE

7h 08m

1 stop

$627United Airlines

Fri, Mar 27 - Tue, Mar 31

3:25 pm - 10:26 am

ASE

YOW

17h 01m

2 stops

10:00 am - 4:35 pm

YOW

ASE

8h 35m

2 stops

$632United Airlines

Fri, Mar 27 - Tue, Mar 31

1:40 pm - 10:26 am

ASE

YOW

18h 46m

2 stops

6:25 am - 11:33 am

YOW

ASE

7h 08m

1 stop

$659United Airlines

Fri, Mar 27 - Tue, Mar 31

Air Canada flights from Colorado to Ottawa

Our best Air Canada deals on Colorado to Ottawa flight tickets

Air Canada

Mar 2

DEN8:05 amDenver Intl

12h 13m

2 stops

YOW10:18 pmOttawa

Mar 9

YOW2:50 pmOttawa

7h 05m

1 stop

DEN7:55 pmDenver Intl

$662

Air Canada

Mar 2

DEN7:05 pmDenver Intl

9h 38m

1 stop

YOW6:43 amOttawa

Mar 9

YOW2:50 pmOttawa

7h 05m

1 stop

DEN7:55 pmDenver Intl

$664

Air Canada

Mar 18

DEN7:05 pmDenver Intl

9h 38m

1 stop

YOW6:43 amOttawa

Mar 25

YOW7:45 amOttawa

11h 59m

1 stop

DEN5:44 pmDenver Intl

$715

American Airlines flights from Colorado to Ottawa

Our best American Airlines deals on Colorado to Ottawa flight tickets

American Airlines

Mar 3

DEN12:21 pmDenver Intl

10h 17m

2 stops

YOW12:38 amOttawa

Mar 10

YOW6:45 amOttawa

17h 52m

2 stops

DEN10:37 pmDenver Intl

$832

American Airlines

Mar 2

DEN9:22 amDenver Intl

13h 16m

2 stops

YOW12:38 amOttawa

Mar 9

YOW6:45 amOttawa

12h 32m

2 stops

DEN5:17 pmDenver Intl

$833

American Airlines

May 14

DEN5:44 pmDenver Intl

19h 11m

2 stops

YOW2:55 pmOttawa

May 17

YOW8:40 amOttawa

16h 07m

2 stops

DEN10:47 pmDenver Intl

$854

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 3/3

5:20 pm-5:25 pm

2 stops22h 05m

Ottawa

Tue 3/10

9:30 am-11:09 pm

1 stop15h 39m

$368

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 6/19

12:15 pm-12:30 pm

2 stops22h 15m

Ottawa

Tue 6/23

5:15 pm-11:25 am

2 stops20h 10m

$401

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 3/2

9:06 pm-12:25 am

2 stops25h 19m

Ottawa

Mon 3/9

4:20 pm-8:20 am

1 stop18h 00m

$410

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 6/19

12:15 pm-3:25 pm

1 stop25h 10m

Ottawa

Tue 6/23

5:15 pm-11:25 am

2 stops20h 10m

$423

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 6/19

12:15 pm-3:25 pm

1 stop25h 10m

Ottawa

Tue 6/23

3:45 pm-11:25 am

1 stop21h 40m

$429

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 3/18

6:00 am-5:25 pm

2 stops33h 25m

Ottawa

Wed 3/25

9:30 am-8:20 am

1 stop24h 50m

$450

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 3/18

6:00 am-5:25 pm

2 stops33h 25m

Ottawa

Wed 3/25

9:30 am-8:20 am

1 stop24h 50m

$453

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Fri 3/27

4:01 pm-10:26 am

2 stops16h 25m

Ottawa

Tue 3/31

6:25 am-11:33 am

1 stop7h 08m

$627

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Fri 3/27

3:25 pm-10:26 am

2 stops17h 01m

Ottawa

Tue 3/31

10:00 am-4:35 pm

2 stops8h 35m

$632

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Fri 3/27

1:40 pm-10:26 am

2 stops18h 46m

Ottawa

Tue 3/31

6:25 am-11:33 am

1 stop7h 08m

$659

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 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

Can stopping save me money on Colorado to Ottawa flights?

You could potentially save up to 5% on your flight if you consider stops on a Colorado to Ottawa flight.

Cheap Colorado to Ottawa flight deals and tips

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

Fastest flight time	7h 12m
Direct flights	None

The fastest flight from Colorado to Ottawa takes 7h 12m

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

Search flight deals

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 February 2026, 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 $130	Free Cancellation	Rating 7.2 3,255 reviews	Search WestJet flights
Air Canada	PriceFrom $277	Free Cancellation	Rating 7.1 10,684 reviews	Search Air Canada flights
United Airlines	PriceFrom $309	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights

Gatineau

Pembroke

Calabogie

Brockville

Petawawa

Smiths Falls

Perth

Prescott

Winchester

Wakefield

Why use momondo?

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.