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 52% 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.

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 8h 45m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

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

WestJet, United Airlines, and Air Canada are the most popular carriers operating from Colorado to 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 August 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.

$135 Cheap Flights from Colorado to Ottawa in 2025

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Find the cheapest flights from Colorado to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

12:15 pm - 1:00 pmDEN-YOW

22h 45m1 stop

7:15 pm - 11:24 amYOW-DEN

18h 09m1 stop

$329

Find Deal

Wed, Sep 3 - Sat, Sep 13

12:15 pm - 1:00 pmDEN-YOW

22h 45m1 stop

4:25 pm - 8:54 amYOW-DEN

18h 29m1 stop

$330

Find Deal

Wed, Sep 3 - Fri, Sep 12

12:15 pm - 1:00 pmDEN-YOW

22h 45m1 stop

3:35 pm - 4:00 amYOW-DEN

14h 25m2 stops

$339

Find Deal

Wed, Sep 3 - Fri, Sep 12

12:15 pm - 4:19 pmDEN-YOW

26h 04m2 stops

7:15 pm - 11:24 amYOW-DEN

18h 09m1 stop

$342WestJet

Find Deal

Thu, Sep 4 - Sat, Sep 13

12:15 pm - 4:19 pmDEN-YOW

26h 04m2 stops

7:15 pm - 11:24 amYOW-DEN

18h 09m1 stop

$343WestJet

Find Deal

Thu, Sep 4 - Sun, Sep 14

7:05 pm - 8:23 amDEN-YOW

11h 18m1 stop

9:35 am - 7:23 pmYOW-DEN

11h 48m1 stop

$375Air Canada

Find Deal

Sat, Sep 20 - Sat, Sep 27

11:59 pm - 2:13 pmDEN-YOW

12h 14m1 stop

5:50 pm - 12:17 amYOW-DEN

8h 27m1 stop

$389United Airlines

Find Deal

Fri, Aug 29 - Mon, Sep 1

7:05 pm - 8:19 amDEN-YOW

11h 14m1 stop

9:35 am - 7:23 pmYOW-DEN

11h 48m1 stop

$415Air Canada

Find Deal

Sat, Aug 30 - Sat, Sep 6

6:00 am - 4:43 pmDEN-YOW

8h 43m1 stop

7:29 pm - 11:59 pmYOW-DEN

6h 30m1 stop

$444United Airlines

Find Deal

Tue, Sep 2 - Sun, Sep 14

9:36 am - 12:22 amDEN-YOW

12h 46m2 stops

5:55 am - 5:20 pmYOW-DEN

13h 25m2 stops

$526Delta

Find Deal

Wed, Sep 3 - Sat, Sep 13

Air Canada flights from Colorado to Ottawa

Our best Air Canada deals on Colorado to Ottawa flight tickets

Air Canada

Sep 20

DEN7:05 pmDenver Intl

11h 18m

1 stop

YOW8:23 amOttawa

Sep 27

YOW9:35 amOttawa

11h 48m

1 stop

DEN7:23 pmDenver Intl

$375

Find similar

Air Canada

Aug 30

DEN7:05 pmDenver Intl

11h 14m

1 stop

YOW8:19 amOttawa

Sep 6

YOW9:35 amOttawa

11h 48m

1 stop

DEN7:23 pmDenver Intl

$415

Find similar

Air Canada

Sep 2

DEN7:05 pmDenver Intl

11h 18m

1 stop

YOW8:23 amOttawa

Sep 13

YOW5:15 amOttawa

6h 59m

1 stop

DEN10:14 amDenver Intl

$421

Find similar

WestJet flights from Colorado to Ottawa

Our best WestJet deals on Colorado to Ottawa flight tickets

WestJet

Sep 4

DEN12:15 pmDenver Intl

26h 04m

2 stops

YOW4:19 pmOttawa

Sep 13

YOW7:15 pmOttawa

18h 09m

1 stop

DEN11:24 amDenver Intl

$342

Find similar

WestJet

Sep 4

DEN12:15 pmDenver Intl

26h 04m

2 stops

YOW4:19 pmOttawa

Sep 14

YOW7:15 pmOttawa

18h 09m

1 stop

DEN11:24 amDenver Intl

$343

Find similar

WestJet

Sep 3

DEN12:15 pmDenver Intl

26h 04m

2 stops

YOW4:19 pmOttawa

Sep 13

YOW7:15 pmOttawa

18h 09m

1 stop

DEN11:24 amDenver Intl

$344

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 9/3

12:15 pm-1:00 pm

1 stop22h 45m

Ottawa

Sat 9/13

7:15 pm-11:24 am

1 stop18h 09m

$329

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 9/3

12:15 pm-1:00 pm

1 stop22h 45m

Ottawa

Fri 9/12

4:25 pm-8:54 am

1 stop18h 29m

$330

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 9/3

12:15 pm-1:00 pm

1 stop22h 45m

Ottawa

Fri 9/12

3:35 pm-4:00 am

2 stops14h 25m

$339

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 9/4

12:15 pm-4:19 pm

2 stops26h 04m

Ottawa

Sat 9/13

7:15 pm-11:24 am

1 stop18h 09m

$342

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 9/4

12:15 pm-4:19 pm

2 stops26h 04m

Ottawa

Sun 9/14

7:15 pm-11:24 am

1 stop18h 09m

$343

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 9/20

7:05 pm-8:23 am

1 stop11h 18m

Ottawa

Sat 9/27

9:35 am-7:23 pm

1 stop11h 48m

$375

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 8/29

11:59 pm-2:13 pm

1 stop12h 14m

Ottawa

Mon 9/1

5:50 pm-12:17 am

1 stop8h 27m

$389

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 8/30

7:05 pm-8:19 am

1 stop11h 14m

Ottawa

Sat 9/6

9:35 am-7:23 pm

1 stop11h 48m

$415

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 9/2

6:00 am-4:43 pm

1 stop8h 43m

Ottawa

Sun 9/14

7:29 pm-11:59 pm

1 stop6h 30m

$444

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 9/3

9:36 am-12:22 am

2 stops12h 46m

Ottawa

Sat 9/13

5:55 am-5:20 pm

2 stops13h 25m

$526

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

Best Price Found	$135
Fastest flight time	7h 17m
Direct flights	None
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from Colorado in the past 72 hours is $135. The best round-trip flight deal from Colorado to Ottawa found on momondo in the last 72 hours is $329.

The fastest flight from Colorado to Ottawa takes 7h 17m

There are no direct flights from Colorado to Ottawa. Popular non-direct route for this connection is Denver Intl Airport - Ottawa Airport.

There is 1 airport near Ottawa: Ottawa (YOW)

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 August 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 3,002 reviews	Search WestJet flights
Air Canada	PriceFrom $293	Free Cancellation	Rating 7.1 9,899 reviews	Search Air Canada flights
United Airlines	PriceFrom $309	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights

Gatineau

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Calabogie

Brockville

Pembroke

Prescott

Winchester

Wakefield

Petawawa

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.