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 May 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.

$198 Cheap Flights from Ottawa to Colorado 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 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 - 5:15 pm

DEN

YOW

27h 00m

1 stop

$366WestJet

Mon, Jun 1 - Thu, Jun 4

6:15 pm - 11:20 am

YOW

DEN

19h 05m

2 stops

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$371WestJet

Mon, Jun 1 - Wed, Jun 3

4:15 pm - 11:20 am

YOW

DEN

21h 05m

1 stop

12:15 pm - 5:35 am

DEN

YOW

15h 20m

1 stop

$372WestJet

Tue, May 19 - Thu, May 21

4:15 pm - 11:20 am

YOW

DEN

21h 05m

1 stop

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$377WestJet

Sun, Jun 14 - Tue, Jul 14

6:15 pm - 11:20 am

YOW

DEN

19h 05m

2 stops

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$381WestJet

Wed, Sep 23 - Sun, Sep 27

7:20 am - 11:20 am

YOW

DEN

30h 00m

1 stop

12:15 pm - 5:15 pm

DEN

YOW

27h 00m

1 stop

$382WestJet

Mon, Jun 1 - Thu, Jun 4

4:15 pm - 11:20 am

YOW

DEN

21h 05m

1 stop

12:15 pm - 3:20 pm

DEN

YOW

25h 05m

1 stop

$384WestJet

Sun, Jun 14 - Tue, Jul 14

4:15 pm - 11:20 am

YOW

DEN

21h 05m

1 stop

12:15 pm - 12:30 pm

DEN

YOW

22h 15m

2 stops

$387WestJet

Wed, Sep 23 - Sun, Sep 27

5:05 am - 2:24 pm

YOW

COS

11h 19m

2 stops

6:30 pm - 2:17 pm

COS

YOW

17h 47m

2 stops

$402United Airlines

Sat, May 16 - Sat, May 30

6:25 am - 10:59 am

YOW

COS

6h 34m

1 stop

6:32 pm - 9:11 am

COS

YOW

12h 39m

2 stops

$436United Airlines

Tue, Sep 1 - Wed, Sep 2

WestJet flights from Ottawa to Colorado

Our best WestJet deals on Ottawa to Colorado flight tickets

WestJet

Jun 1

YOW6:15 pmOttawa

19h 05m

2 stops

DEN11:20 amDenver Intl

Jun 4

DEN12:15 pmDenver Intl

27h 00m

1 stop

YOW5:15 pmOttawa

$366

WestJet

Jun 1

YOW6:15 pmOttawa

19h 05m

2 stops

DEN11:20 amDenver Intl

Jun 3

DEN12:15 pmDenver Intl

22h 15m

2 stops

YOW12:30 pmOttawa

$371

WestJet

May 19

YOW4:15 pmOttawa

21h 05m

1 stop

DEN11:20 amDenver Intl

May 21

DEN12:15 pmDenver Intl

15h 20m

1 stop

YOW5:35 amOttawa

$372

Delta flights from Ottawa to Colorado

Our best Delta deals on Ottawa to Colorado flight tickets

Delta

May 23

YOW12:25 pmOttawa

9h 50m

2 stops

DEN8:15 pmDenver Intl

Jun 10

DEN1:15 pmDenver Intl

9h 05m

2 stops

YOW12:20 amOttawa

$418

Delta

May 26

YOW6:55 amOttawa

12h 19m

2 stops

DEN5:14 pmDenver Intl

Jun 10

DEN1:15 pmDenver Intl

9h 05m

2 stops

YOW12:20 amOttawa

$426

Delta

Jun 1

YOW12:25 pmOttawa

13h 16m

2 stops

DEN11:41 pmDenver Intl

Jun 3

DEN11:25 amDenver Intl

10h 55m

2 stops

YOW12:20 amOttawa

$431

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 6/1

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Thu 6/4

12:15 pm-5:15 pm

1 stop27h 00m

$366

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 6/1

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Wed 6/3

12:15 pm-12:30 pm

2 stops22h 15m

$371

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 5/19

4:15 pm-11:20 am

1 stop21h 05m

Denver Intl

Thu 5/21

12:15 pm-5:35 am

1 stop15h 20m

$372

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sun 6/14

4:15 pm-11:20 am

1 stop21h 05m

Denver Intl

Tue 7/14

12:15 pm-12:30 pm

2 stops22h 15m

$377

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 9/23

6:15 pm-11:20 am

2 stops19h 05m

Denver Intl

Sun 9/27

12:15 pm-12:30 pm

2 stops22h 15m

$381

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 6/1

7:20 am-11:20 am

1 stop30h 00m

Denver Intl

Thu 6/4

12:15 pm-5:15 pm

1 stop27h 00m

$382

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sun 6/14

4:15 pm-11:20 am

1 stop21h 05m

Denver Intl

Tue 7/14

12:15 pm-3:20 pm

1 stop25h 05m

$384

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 9/23

4:15 pm-11:20 am

1 stop21h 05m

Denver Intl

Sun 9/27

12:15 pm-12:30 pm

2 stops22h 15m

$387

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 5/16

5:05 am-2:24 pm

2 stops11h 19m

Colorado Springs

Sat 5/30

6:30 pm-2:17 pm

2 stops17h 47m

$402

Quickest round-trip

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 9/1

6:25 am-10:59 am

1 stop6h 34m

Colorado Springs

Wed 9/2

6:32 pm-9:11 am

2 stops12h 39m

$436

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 $511 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 $256 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	11h 01m
Direct flights	None

The fastest flight from Ottawa to Colorado takes 11h 01m

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 May 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 9,680 reviews		Search United Airlines flights
Air Canada	PriceFrom $312	Free Cancellation	Rating 7.1 10,995 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.