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

United Airlines and American Airlines are the most popular carriers 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 November 2026, there is 1 operator 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.

$246 Cheap Flights from Ottawa to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Colorado

Round-trip

One-way

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 pm - 8:09 amYOW Ottawa-DEN Denver Intl

17h 29m1 stop Tampa

10:18 am - 12:09 amDEN Denver Intl-YOW Ottawa

35h 51m2 stops Dallas/Fort Worth Tampa

$449Multiple Airlines

Tue, Dec 1 - Wed, Dec 16

7:00 am - 9:49 pmYOW Ottawa-DEN Denver Intl

16h 49m3 stops Toronto Pearson Intl Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

7:39 am - 12:41 amDEN Denver Intl-YOW Ottawa

15h 02m3 stops San Francisco Las Vegas Harry Reid Intl Toronto Pearson Intl

$483Multiple Airlines

Tue, Dec 1 - Wed, Dec 16

7:00 am - 9:49 pmYOW Ottawa-DEN Denver Intl

16h 49m3 stops Toronto Pearson Intl Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

7:25 am - 12:41 amDEN Denver Intl-YOW Ottawa

15h 16m2 stops Phoenix Sky Harbor Intl Toronto Pearson Intl

$490Multiple Airlines

Tue, Dec 1 - Wed, Dec 16

4:40 pm - 8:28 amYOW Ottawa-DEN Denver Intl

17h 48m1 stop Tampa

10:29 pm - 11:40 pmDEN Denver Intl-YOW Ottawa

23h 11m2 stops Phoenix Sky Harbor Intl Calgary

$503Multiple Airlines

Thu, Feb 4 - Mon, Feb 8

7:00 am - 12:08 amYOW Ottawa-DEN Denver Intl

19h 08m2 stops Toronto Pearson Intl Las Vegas Harry Reid Intl

7:25 am - 10:06 pmDEN Denver Intl-YOW Ottawa

12h 41m2 stops Phoenix Sky Harbor Intl Toronto Pearson Intl

$507Multiple Airlines

Tue, Dec 1 - Wed, Dec 16

4:40 pm - 8:28 amYOW Ottawa-DEN Denver Intl

17h 48m1 stop Tampa

6:58 pm - 12:12 amDEN Denver Intl-YOW Ottawa

27h 14m1 stop Tampa

$525Multiple Airlines

Tue, Feb 16 - Wed, Feb 17

7:05 am - 8:07 pmYOW Ottawa-DEN Denver Intl

15h 02m1 stop Fort Lauderdale

7:13 pm - 3:25 pmDEN Denver Intl-YOW Ottawa

18h 12m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$538Multiple Airlines

Tue, Feb 16 - Wed, Feb 17

4:40 pm - 8:28 amYOW Ottawa-DEN Denver Intl

17h 48m1 stop Tampa

11:30 pm - 2:25 pmDEN Denver Intl-YOW Ottawa

12h 55m1 stop Orlando

$547Multiple Airlines

Tue, Feb 16 - Thu, Feb 18

5:10 am - 10:35 amYOW Ottawa-DEN Denver Intl

7h 25m1 stop Toronto Pearson Intl

5:40 pm - 1:40 amDEN Denver Intl-YOW Ottawa

6h 00m1 stop Toronto Pearson Intl

$761Air Canada

Wed, Nov 25 - Sun, Nov 29

2:55 pm - 8:26 pmYOW Ottawa-DEN Denver Intl

7h 31m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 am - 7:50 pmDEN Denver Intl-YOW Ottawa

11h 50m2 stops Chicago O'Hare Intl Toronto Island

$762Air Canada

Sat, Mar 20 - Sat, Mar 27

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

United Airlines flights from Ottawa to Colorado

Our best United Airlines deals on Ottawa to Colorado flight tickets

United Airlines

Jan 27

YOW6:15 amOttawa

17h 44m

1 stop

COS9:59 pmColorado Springs

Jan 29

COS5:47 amColorado Springs

6h 22m

1 stop

YOW2:09 pmOttawa

$663

United Airlines

Feb 14

YOW6:15 amOttawa

6h 19m

1 stop

DEN10:34 amDenver Intl

Feb 14

DEN12:41 pmDenver Intl

7h 15m

1 stop

YOW9:56 pmOttawa

$684

United Airlines

Dec 7

YOW2:00 pmOttawa

7h 39m

1 stop

DEN7:39 pmDenver Intl

Dec 9

DEN9:55 amDenver Intl

10h 01m

1 stop

YOW9:56 pmOttawa

$689

WestJet flights from Ottawa to Colorado

Our best WestJet deals on Ottawa to Colorado flight tickets

WestJet

Apr 30

YOW1:20 pmOttawa

12h 08m

2 stops

DEN11:28 pmDenver Intl

May 2

DEN12:15 pmDenver Intl

22h 15m

2 stops

YOW12:30 pmOttawa

$602

WestJet

Apr 30

YOW1:20 pmOttawa

12h 08m

2 stops

DEN11:28 pmDenver Intl

May 2

DEN12:15 pmDenver Intl

25h 05m

1 stop

YOW3:20 pmOttawa

$609

WestJet

Feb 12

YOW5:30 amOttawa

40h 17m

2 stops

DEN7:47 pmDenver Intl

Feb 16

DEN6:25 pmDenver Intl

27h 15m

2 stops

YOW11:40 pmOttawa

$677

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Tue 12/1

4:40 pm-8:09 am

1 stop17h 29m

Denver Intl

Wed 12/16

10:18 am-12:09 am

2 stops35h 51m

$449

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Tue 12/1

7:00 am-9:49 pm

3 stops16h 49m

Denver Intl

Wed 12/16

7:39 am-12:41 am

3 stops15h 02m

$483

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Tue 12/1

7:00 am-9:49 pm

3 stops16h 49m

Denver Intl

Wed 12/16

7:25 am-12:41 am

2 stops15h 16m

$490

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Thu 2/4

4:40 pm-8:28 am

1 stop17h 48m

Denver Intl

Mon 2/8

10:29 pm-11:40 pm

2 stops23h 11m

$503

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Tue 12/1

7:00 am-12:08 am

2 stops19h 08m

Denver Intl

Wed 12/16

7:25 am-10:06 pm

2 stops12h 41m

$507

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Tue 2/16

4:40 pm-8:28 am

1 stop17h 48m

Denver Intl

Wed 2/17

6:58 pm-12:12 am

1 stop27h 14m

$525

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Tue 2/16

7:05 am-8:07 pm

1 stop15h 02m

Denver Intl

Wed 2/17

7:13 pm-3:25 pm

2 stops18h 12m

$538

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Tue 2/16

4:40 pm-8:28 am

1 stop17h 48m

Denver Intl

Thu 2/18

11:30 pm-2:25 pm

1 stop12h 55m

$547

Quickest round-trip

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Wed 11/25

5:10 am-10:35 am

1 stop7h 25m

Denver Intl

Sun 11/29

5:40 pm-1:40 am

1 stop6h 00m

$761

OttawaDenver

YOW Ottawa - DEN Denver Intl

YOWDEN

Ottawa

Sat 3/20

2:55 pm-8:26 pm

1 stop7h 31m

Denver Intl

Sat 3/27

6:00 am-7:50 pm

2 stops11h 50m

$762

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 April is, on average, the cheapest month to fly to Colorado from Ottawa, with most prices found around $562. The month of March is another great option to travel to Colorado, with average flight prices from Ottawa averaging around $586.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 65% 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

Best Price Found	$246
Fastest flight time	4h 17m
Direct flights	Sat
Airports in Colorado	87 airports

The best one-way flight to Colorado from Ottawa in the past 72 hours is $246. The best round-trip flight deal from Ottawa to Colorado found on momondo in the last 72 hours is $449.

The fastest flight from Ottawa to Colorado takes 4h 17m

Direct flights go from Ottawa to Colorado on Saturday. There are no airlines offering direct flights.

There are 87 airports in Colorado. From Ottawa there are direct flights to Denver Intl (DEN).

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 November 2026, there is 1 operator 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
Air Canada	PriceFrom $566	Free Cancellation	Rating 7.1 11,870 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.