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

WestJet and United Airlines are the most popular carriers operating from Ottawa to Colorado

Which airlines fly to Colorado?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Colorado from Ottawa according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ottawa Airport to Colorado are updated daily.

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?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 295 Cheap Flights from Ottawa to Colorado in 2026

1 adult

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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 p.m. - 11:20 a.m.

YOW

DEN

19h 05m

2 stops

12:15 p.m. - 12:30 p.m.

DEN

YOW

22h 15m

2 stops

C$ 511WestJet

Sat, 13 Jun - Sun, 21 Jun

4:15 p.m. - 11:20 a.m.

YOW

DEN

21h 05m

1 stop

12:15 p.m. - 12:30 p.m.

DEN

YOW

22h 15m

2 stops

C$ 520WestJet

Tue, 16 Jun - Tue, 23 Jun

6:15 p.m. - 11:20 a.m.

YOW

DEN

19h 05m

2 stops

12:15 p.m. - 5:35 a.m.

DEN

YOW

15h 20m

1 stop

C$ 521WestJet

Sat, 13 Jun - Sun, 21 Jun

6:15 p.m. - 11:20 a.m.

YOW

DEN

19h 05m

2 stops

12:15 p.m. - 12:30 p.m.

DEN

YOW

22h 15m

2 stops

C$ 591WestJet

Sun, 26 Jul - Thu, 6 Aug

6:55 a.m. - 11:20 a.m.

YOW

DEN

30h 25m

2 stops

12:15 p.m. - 12:30 p.m.

DEN

YOW

22h 15m

2 stops

C$ 596WestJet

Wed, 24 Jun - Wed, 1 Jul

6:25 a.m. - 10:59 a.m.

YOW

COS

6h 34m

1 stop

12:45 p.m. - 9:35 p.m.

COS

YOW

6h 50m

1 stop

C$ 598United Airlines

Sat, 19 Sep - Tue, 22 Sep

4:15 p.m. - 11:20 a.m.

YOW

DEN

21h 05m

1 stop

12:15 p.m. - 12:30 p.m.

DEN

YOW

22h 15m

2 stops

C$ 599WestJet

Sun, 26 Jul - Thu, 6 Aug

6:55 a.m. - 8:01 p.m.

YOW

DEN

15h 06m

2 stops

6:05 a.m. - 5:35 p.m.

DEN

YOW

9h 30m

2 stops

C$ 625Delta

Thu, 4 Jun - Sat, 6 Jun

6:25 a.m. - 10:59 a.m.

YOW

COS

6h 34m

1 stop

6:32 p.m. - 9:11 a.m.

COS

YOW

12h 39m

2 stops

C$ 634United Airlines

Sat, 19 Sep - Tue, 22 Sep

4:15 p.m. - 11:20 a.m.

YOW

DEN

21h 05m

1 stop

11:46 p.m. - 2:33 p.m.

DEN

YOW

36h 47m

2 stops

C$ 660Multiple Airlines

Fri, 5 Jun - Wed, 10 Jun

WestJet flights from Ottawa to Colorado

Our best WestJet deals on Ottawa to Colorado flight tickets

WestJet

13 Jun

YOW6:15 p.m.Ottawa

19h 05m

2 stops

DEN11:20 a.m.Denver Intl

21 Jun

DEN12:15 p.m.Denver Intl

22h 15m

2 stops

YOW12:30 p.m.Ottawa

C$ 511

WestJet

16 Jun

YOW4:15 p.m.Ottawa

21h 05m

1 stop

DEN11:20 a.m.Denver Intl

23 Jun

DEN12:15 p.m.Denver Intl

22h 15m

2 stops

YOW12:30 p.m.Ottawa

C$ 520

WestJet

13 Jun

YOW6:15 p.m.Ottawa

19h 05m

2 stops

DEN11:20 a.m.Denver Intl

21 Jun

DEN12:15 p.m.Denver Intl

15h 20m

1 stop

YOW5:35 a.m.Ottawa

C$ 521

Delta flights from Ottawa to Colorado

Our best Delta deals on Ottawa to Colorado flight tickets

Delta

13 Jun

YOW6:55 a.m.Ottawa

16h 09m

2 stops

DEN9:04 p.m.Denver Intl

18 Jun

DEN9:40 a.m.Denver Intl

12h 40m

2 stops

YOW12:20 a.m.Ottawa

C$ 673

Delta

13 Jun

YOW6:55 a.m.Ottawa

13h 59m

2 stops

DEN6:54 p.m.Denver Intl

18 Jun

DEN9:40 a.m.Denver Intl

12h 40m

2 stops

YOW12:20 a.m.Ottawa

C$ 680

Delta

30 Sep

YOW6:55 a.m.Ottawa

12h 36m

2 stops

DEN5:31 p.m.Denver Intl

4 Oct

DEN6:45 a.m.Denver Intl

8h 50m

2 stops

YOW5:35 p.m.Ottawa

C$ 695

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 13/6

6:15 p.m.-11:20 a.m.

2 stops19h 05m

Denver Intl

Sun 21/6

12:15 p.m.-12:30 p.m.

2 stops22h 15m

C$ 511

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 16/6

4:15 p.m.-11:20 a.m.

1 stop21h 05m

Denver Intl

Tue 23/6

12:15 p.m.-12:30 p.m.

2 stops22h 15m

C$ 520

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 13/6

6:15 p.m.-11:20 a.m.

2 stops19h 05m

Denver Intl

Sun 21/6

12:15 p.m.-5:35 a.m.

1 stop15h 20m

C$ 521

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sun 26/7

6:15 p.m.-11:20 a.m.

2 stops19h 05m

Denver Intl

Thu 6/8

12:15 p.m.-12:30 p.m.

2 stops22h 15m

C$ 591

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 24/6

6:55 a.m.-11:20 a.m.

2 stops30h 25m

Denver Intl

Wed 1/7

12:15 p.m.-12:30 p.m.

2 stops22h 15m

C$ 596

Quickest round-trip

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 19/9

6:25 a.m.-10:59 a.m.

1 stop6h 34m

Colorado Springs

Tue 22/9

12:45 p.m.-9:35 p.m.

1 stop6h 50m

C$ 598

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sun 26/7

4:15 p.m.-11:20 a.m.

1 stop21h 05m

Denver Intl

Thu 6/8

12:15 p.m.-12:30 p.m.

2 stops22h 15m

C$ 599

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 4/6

6:55 a.m.-8:01 p.m.

2 stops15h 06m

Denver Intl

Sat 6/6

6:05 a.m.-5:35 p.m.

2 stops9h 30m

C$ 625

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 19/9

6:25 a.m.-10:59 a.m.

1 stop6h 34m

Colorado Springs

Tue 22/9

6:32 p.m.-9:11 a.m.

2 stops12h 39m

C$ 634

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 5/6

4:15 p.m.-11:20 a.m.

1 stop21h 05m

Denver Intl

Wed 10/6

11:46 p.m.-2:33 p.m.

2 stops36h 47m

C$ 660

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 cheapest month to fly to Colorado from Ottawa is in November. Flight prices, which tend to average around C$ 258, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in November, then you should wait until September to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 294.

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 C$ 697 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 C$ 350 on momondo.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 44% 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 34m
Direct flights	None

The fastest flight from Ottawa to Colorado takes 6h 34m

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 are updated daily.
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?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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 C$ 301	Free Cancellation	Rating 7.4 9,701 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 391	Free Cancellation	Rating 7.1 11,020 reviews		Search Air Canada flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Colorado. momondo saves you time and could save you money on your trip.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Colorado from Ottawa.

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

Yes momondo offers price alerts on flights to Colorado from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.