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

United Airlines is the most popular carrier operating from Ottawa to Colorado

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

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

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

As of August 2026, there are 2 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?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required for your trip to Colorado 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 Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$215 Cheap Flights from Ottawa to Colorado in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:15 pm - 11:20 am

YOW

DEN

19h 05m

2 stops

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$413WestJet

Wed, Aug 26 - Mon, Aug 31

6:15 pm - 11:20 am

YOW

DEN

19h 05m

2 stops

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$416WestJet

Wed, Aug 26 - Mon, Aug 31

1:20 pm - 11:20 am

YOW

DEN

24h 00m

1 stop

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$418WestJet

Wed, Aug 26 - Mon, Aug 31

6:15 pm - 11:20 am

YOW

DEN

19h 05m

2 stops

12:15 pm - 7:20 pm

DEN

YOW

29h 05m

1 stop

$422WestJet

Wed, Aug 26 - Mon, Aug 31

4:36 pm - 9:31 pm

YOW

DEN

6h 55m

1 stop

11:40 pm - 1:26 pm

DEN

YOW

11h 46m

1 stop

$595United Airlines

Fri, Dec 4 - Fri, Dec 4

6:05 am - 2:16 pm

YOW

DEN

10h 11m

1 stop

6:00 am - 5:16 pm

DEN

YOW

9h 16m

1 stop

$599United Airlines

Tue, Sep 1 - Tue, Sep 8

6:25 am - 10:32 am

YOW

DEN

6h 07m

1 stop

12:40 pm - 10:35 pm

DEN

YOW

7h 55m

1 stop

$599United Airlines

Fri, Sep 11 - Tue, Sep 15

7:45 am - 6:13 pm

YOW

DEN

12h 28m

1 stop

1:30 pm - 9:50 pm

DEN

YOW

6h 20m

1 stop

$602Air Canada

Tue, Nov 17 - Thu, Nov 19

9:55 am - 5:49 pm

YOW

DEN

9h 54m

2 stops

6:00 am - 7:52 pm

DEN

YOW

11h 52m

2 stops

$662Air Canada

Fri, Nov 6 - Mon, Nov 9

6:00 am - 10:33 am

YOW

DEN

6h 33m

1 stop

11:25 am - 7:10 pm

DEN

YOW

5h 45m

1 stop

$666Air Canada

Thu, Aug 27 - Sun, Aug 30

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WestJet flights from Ottawa to Colorado

Our best WestJet deals on Ottawa to Colorado flight tickets

WestJet

Aug 26

YOW6:15 pmOttawa

19h 05m

2 stops

DEN11:20 amDenver Intl

Aug 31

DEN12:15 pmDenver Intl

22h 15m

2 stops

YOW12:30 pmOttawa

$413

WestJet

Aug 26

YOW6:15 pmOttawa

19h 05m

2 stops

DEN11:20 amDenver Intl

Aug 31

DEN12:15 pmDenver Intl

22h 15m

2 stops

YOW12:30 pmOttawa

$416

WestJet

Aug 26

YOW1:20 pmOttawa

24h 00m

1 stop

DEN11:20 amDenver Intl

Aug 31

DEN12:15 pmDenver Intl

22h 15m

2 stops

YOW12:30 pmOttawa

$418

United Airlines flights from Ottawa to Colorado

Our best United Airlines deals on Ottawa to Colorado flight tickets

United Airlines

Dec 4

YOW4:36 pmOttawa

6h 55m

1 stop

DEN9:31 pmDenver Intl

Dec 4

DEN11:40 pmDenver Intl

11h 46m

1 stop

YOW1:26 pmOttawa

$595

United Airlines

Sep 1

YOW6:05 amOttawa

10h 11m

1 stop

DEN2:16 pmDenver Intl

Sep 8

DEN6:00 amDenver Intl

9h 16m

1 stop

YOW5:16 pmOttawa

$599

United Airlines

Sep 10

YOW6:00 amOttawa

12h 24m

3 stops

DEN4:24 pmDenver Intl

Sep 13

DEN11:59 pmDenver Intl

7h 12m

1 stop

YOW9:11 amOttawa

$604

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 8/26

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Mon 8/31

12:15 pm-12:30 pm

2 stops22h 15m

$413

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 8/26

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Mon 8/31

12:15 pm-12:30 pm

2 stops22h 15m

$416

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 8/26

1:20 pm-11:20 am

1 stop24h 00m

Denver Intl

Mon 8/31

12:15 pm-12:30 pm

2 stops22h 15m

$418

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 8/26

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Mon 8/31

12:15 pm-7:20 pm

1 stop29h 05m

$422

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 12/4

4:36 pm-9:31 pm

1 stop6h 55m

Denver Intl

Fri 12/4

11:40 pm-1:26 pm

1 stop11h 46m

$595

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 9/1

6:05 am-2:16 pm

1 stop10h 11m

Denver Intl

Tue 9/8

6:00 am-5:16 pm

1 stop9h 16m

$599

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 9/11

6:25 am-10:32 am

1 stop6h 07m

Denver Intl

Tue 9/15

12:40 pm-10:35 pm

1 stop7h 55m

$599

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 11/17

7:45 am-6:13 pm

1 stop12h 28m

Denver Intl

Thu 11/19

1:30 pm-9:50 pm

1 stop6h 20m

$602

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 11/6

9:55 am-5:49 pm

2 stops9h 54m

Denver Intl

Mon 11/9

6:00 am-7:52 pm

2 stops11h 52m

$662

Quickest round-trip

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 8/27

6:00 am-10:33 am

1 stop6h 33m

Denver Intl

Sun 8/30

11:25 am-7:10 pm

1 stop5h 45m

$666

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 month of September is, on average, the cheapest month to fly to Colorado from Ottawa, with most prices found around $291. The month of October is another great option to travel to Colorado, with average flight prices from Ottawa averaging around $332.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 63% 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	7h 18m
Direct flights	None

The fastest flight from Ottawa to Colorado takes 7h 18m

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

Search flight deals

Frequently asked questions about flying from Ottawa to Colorado

When did momondo last update prices for flights from Ottawa Airport to Colorado?
Prices for flights from Ottawa Airport to Colorado were last updated today.
How many operators does momondo search for flights from Ottawa Airport to Colorado?
As of August 2026, there are 2 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required for your trip to Colorado 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 Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 $251	Free Cancellation	Rating 7.4 10,059 reviews		Search United Airlines flights
Air Canada	PriceFrom $566	Free Cancellation	Rating 7.1 11,426 reviews		Search Air Canada flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Colorado for you.

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?

momondo helps you find the best flight between Ottawa and Colorado by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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