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

WestJet 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 June 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.

$210 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 - 5:35 pm

DEN

YOW

27h 20m

2 stops

$354WestJet

Thu, Jul 9 - Tue, Jul 14

7:20 am - 11:20 am

YOW

DEN

30h 00m

1 stop

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$357WestJet

Thu, Jul 9 - Tue, Jul 14

6:15 pm - 11:20 am

YOW

DEN

19h 05m

2 stops

12:15 pm - 5:35 am

DEN

YOW

15h 20m

1 stop

$367WestJet

Sat, Aug 8 - Sat, Aug 22

7:20 am - 11:20 am

YOW

DEN

30h 00m

1 stop

12:15 pm - 7:20 pm

DEN

YOW

29h 05m

1 stop

$374WestJet

Thu, Jul 9 - Tue, Jul 14

8:15 pm - 11:20 am

YOW

DEN

17h 05m

1 stop

12:15 pm - 12:40 am

DEN

YOW

10h 25m

1 stop

$378WestJet

Mon, Jul 6 - Tue, Jul 14

4:15 pm - 11:20 am

YOW

DEN

21h 05m

1 stop

12:15 pm - 5:35 am

DEN

YOW

15h 20m

1 stop

$381WestJet

Mon, Jul 6 - Tue, Jul 14

2:52 pm - 11:55 pm

YOW

COS

11h 03m

2 stops

11:55 am - 9:35 pm

COS

YOW

7h 40m

1 stop

$458United Airlines

Mon, Aug 31 - Tue, Sep 1

6:25 am - 10:33 am

YOW

COS

6h 08m

1 stop

10:27 am - 11:54 pm

COS

YOW

11h 27m

2 stops

$459United Airlines

Mon, Aug 31 - Tue, Sep 1

5:20 pm - 8:41 am

YOW

COS

17h 21m

2 stops

10:27 am - 11:54 pm

COS

YOW

11h 27m

2 stops

$607United Airlines

Sat, Aug 1 - Sat, Aug 15

8:40 am - 12:12 pm

YOW

COS

29h 32m

2 stops

5:13 pm - 9:20 pm

COS

YOW

26h 07m

3 stops

$788American Airlines

Sat, Aug 1 - Sat, Aug 15

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WestJet flights from Ottawa to Colorado

Our best WestJet deals on Ottawa to Colorado flight tickets

WestJet

Jul 9

YOW6:15 pmOttawa

19h 05m

2 stops

DEN11:20 amDenver Intl

Jul 14

DEN12:15 pmDenver Intl

27h 20m

2 stops

YOW5:35 pmOttawa

$354

WestJet

Jul 9

YOW7:20 amOttawa

30h 00m

1 stop

DEN11:20 amDenver Intl

Jul 14

DEN12:15 pmDenver Intl

22h 15m

2 stops

YOW12:30 pmOttawa

$357

WestJet

Aug 8

YOW6:15 pmOttawa

19h 05m

2 stops

DEN11:20 amDenver Intl

Aug 22

DEN12:15 pmDenver Intl

15h 20m

1 stop

YOW5:35 amOttawa

$367

Delta flights from Ottawa to Colorado

Our best Delta deals on Ottawa to Colorado flight tickets

Delta

Oct 5

YOW12:25 pmOttawa

13h 10m

2 stops

DEN11:35 pmDenver Intl

Oct 14

DEN6:45 amDenver Intl

8h 50m

2 stops

YOW5:35 pmOttawa

$455

Delta

Aug 20

YOW12:25 pmOttawa

13h 09m

2 stops

DEN11:34 pmDenver Intl

Aug 24

DEN6:05 amDenver Intl

9h 30m

2 stops

YOW5:35 pmOttawa

$456

Delta

Oct 6

YOW6:55 amOttawa

13h 09m

2 stops

DEN6:04 pmDenver Intl

Oct 17

DEN6:45 amDenver Intl

8h 50m

2 stops

YOW5:35 pmOttawa

$463

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 7/9

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Tue 7/14

12:15 pm-5:35 pm

2 stops27h 20m

$354

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 7/9

7:20 am-11:20 am

1 stop30h 00m

Denver Intl

Tue 7/14

12:15 pm-12:30 pm

2 stops22h 15m

$357

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 8/8

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Sat 8/22

12:15 pm-5:35 am

1 stop15h 20m

$367

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 7/9

7:20 am-11:20 am

1 stop30h 00m

Denver Intl

Tue 7/14

12:15 pm-7:20 pm

1 stop29h 05m

$374

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 7/6

8:15 pm-11:20 am

1 stop17h 05m

Denver Intl

Tue 7/14

12:15 pm-12:40 am

1 stop10h 25m

$378

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 7/6

4:15 pm-11:20 am

1 stop21h 05m

Denver Intl

Tue 7/14

12:15 pm-5:35 am

1 stop15h 20m

$381

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Mon 8/31

2:52 pm-11:55 pm

2 stops11h 03m

Colorado Springs

Tue 9/1

11:55 am-9:35 pm

1 stop7h 40m

$458

Quickest round-trip

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Mon 8/31

6:25 am-10:33 am

1 stop6h 08m

Colorado Springs

Tue 9/1

10:27 am-11:54 pm

2 stops11h 27m

$459

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 8/1

5:20 pm-8:41 am

2 stops17h 21m

Colorado Springs

Sat 8/15

10:27 am-11:54 pm

2 stops11h 27m

$607

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 8/1

8:40 am-12:12 pm

2 stops29h 32m

Colorado Springs

Sat 8/15

5:13 pm-9:20 pm

3 stops26h 07m

$788

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 November is, on average, the cheapest month to fly to Colorado from Ottawa, with most prices found around $189. The month of September is another great option to travel to Colorado, with average flight prices from Ottawa averaging around $215.

How far in advance should I book a flight from Ottawa 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 $565 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 $322 on momondo.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 52% 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	6h 31m
Direct flights	None

The fastest flight from Ottawa to Colorado takes 6h 31m

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 June 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 9,875 reviews		Search United Airlines flights
Air Canada	PriceFrom $312	Free Cancellation	Rating 7.1 11,244 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.