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Cheap flights from Ottawa to Colorado from $179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Colorado departing on 1/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ottawa to Colorado

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:20 pm - 7:50 amYOW-DEN
17h 30m1 stop
Multiple Airlines Logo
11:59 pm - 5:13 pmDEN-YOW
15h 14m1 stop
$269Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
10:35 am - 7:31 pmYOW-COS
10h 56m2 stops
United Airlines Logo
5:13 pm - 9:11 amCOS-YOW
13h 58m2 stops
$300United Airlines
Find Deal
Tue, Apr 21 - Thu, Apr 23
Multiple Airlines Logo
9:30 am - 11:59 pmYOW-DEN
16h 29m2 stops
Multiple Airlines Logo
11:59 pm - 5:13 pmDEN-YOW
15h 14m1 stop
$301Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
9:25 am - 7:09 pmYOW-DEN
11h 44m1 stop
Multiple Airlines Logo
12:59 am - 5:13 pmDEN-YOW
38h 14m2 stops
$336Multiple Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Multiple Airlines Logo
4:20 pm - 8:24 amYOW-DEN
18h 04m1 stop
Multiple Airlines Logo
9:15 pm - 2:44 pmDEN-YOW
39h 29m2 stops
$337Multiple Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
Multiple Airlines Logo
9:30 am - 8:38 amYOW-DEN
25h 08m2 stops
Multiple Airlines Logo
12:05 pm - 11:58 pmDEN-YOW
9h 53m1 stop
$344Multiple Airlines
Find Deal
Wed, Feb 18 - Wed, Mar 4
Air Canada Logo
10:35 am - 5:29 pmYOW-COS
8h 54m2 stops
Air Canada Logo
1:50 pm - 1:34 amCOS-YOW
9h 44m2 stops
$358Air Canada
Find Deal
Tue, Apr 21 - Thu, Apr 23
American Airlines Logo
6:45 am - 10:26 pmYOW-DEN
17h 41m2 stops
American Airlines Logo
6:44 am - 12:41 amDEN-YOW
15h 57m2 stops
$612American Airlines
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Fri, Dec 19 - Fri, Dec 26
Air Canada Logo
6:55 pm - 4:53 pmYOW-DEN
23h 58m1 stop
Air Canada Logo
7:05 pm - 6:43 amDEN-YOW
9h 38m1 stop
$630Air Canada
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Thu, Feb 19 - Tue, Feb 24
American Airlines Logo
9:10 am - 11:26 pmYOW-DEN
16h 16m2 stops
American Airlines Logo
5:44 pm - 4:51 pmDEN-YOW
21h 07m2 stops
$641American Airlines
Find Deal
Thu, Dec 18 - Fri, Dec 26

American Airlines flights from Ottawa to Colorado

Our best American Airlines deals on Ottawa to Colorado flight tickets
American Airlines
Dec 19
YOW6:45 amOttawa
17h 41m
2 stops
DEN10:26 pmDenver Intl
Dec 26
DEN6:44 amDenver Intl
15h 57m
2 stops
YOW12:41 amOttawa
$612
Find similar
American Airlines
Dec 18
YOW9:10 amOttawa
16h 16m
2 stops
DEN11:26 pmDenver Intl
Dec 26
DEN5:44 pmDenver Intl
21h 07m
2 stops
YOW4:51 pmOttawa
$641
Find similar
American Airlines
Dec 19
YOW9:10 amOttawa
9h 54m
2 stops
DEN5:04 pmDenver Intl
Dec 29
DEN6:44 amDenver Intl
15h 57m
2 stops
YOW12:41 amOttawa
$645
Find similar

Air Canada flights from Ottawa to Colorado

Our best Air Canada deals on Ottawa to Colorado flight tickets
Air Canada
Apr 21
YOW10:35 amOttawa
8h 54m
2 stops
COS5:29 pmColorado Springs
Apr 23
COS1:50 pmColorado Springs
9h 44m
2 stops
YOW1:34 amOttawa
$358
Find similar
Air Canada
Feb 19
YOW6:55 pmOttawa
23h 58m
1 stop
DEN4:53 pmDenver Intl
Feb 24
DEN7:05 pmDenver Intl
9h 38m
1 stop
YOW6:43 amOttawa
$630
Find similar
Air Canada
Dec 19
YOW10:20 amOttawa
8h 20m
1 stop
DEN4:40 pmDenver Intl
Dec 26
DEN5:30 pmDenver Intl
6h 08m
1 stop
YOW1:38 amOttawa
$635
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Ottawa to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 1/8

4:20 pm-7:50 am

1 stop17h 30m

Denver Intl

Mon 1/12

11:59 pm-5:13 pm

1 stop15h 14m

$269

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 4/21

10:35 am-7:31 pm

2 stops10h 56m

Colorado Springs

Thu 4/23

5:13 pm-9:11 am

2 stops13h 58m

$300

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 1/8

9:30 am-11:59 pm

2 stops16h 29m

Denver Intl

Mon 1/12

11:59 pm-5:13 pm

1 stop15h 14m

$301

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 12/6

9:25 am-7:09 pm

1 stop11h 44m

Denver Intl

Tue 12/9

12:59 am-5:13 pm

2 stops38h 14m

$336

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 12/6

4:20 pm-8:24 am

1 stop18h 04m

Denver Intl

Wed 12/10

9:15 pm-2:44 pm

2 stops39h 29m

$337

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 2/18

9:30 am-8:38 am

2 stops25h 08m

Denver Intl

Wed 3/4

12:05 pm-11:58 pm

1 stop9h 53m

$344

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 4/21

10:35 am-5:29 pm

2 stops8h 54m

Colorado Springs

Thu 4/23

1:50 pm-1:34 am

2 stops9h 44m

$358

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 12/19

6:45 am-10:26 pm

2 stops17h 41m

Denver Intl

Fri 12/26

6:44 am-12:41 am

2 stops15h 57m

$612

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 2/19

6:55 pm-4:53 pm

1 stop23h 58m

Denver Intl

Tue 2/24

7:05 pm-6:43 am

1 stop9h 38m

$630

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 12/18

9:10 am-11:26 pm

2 stops16h 16m

Denver Intl

Fri 12/26

5:44 pm-4:51 pm

2 stops21h 07m

$641

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Colorado from

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

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 $326. The month of October is another great option to travel to Colorado, with average flight prices from Ottawa averaging around $332.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Ottawa to Colorado is on a Wednesday when prices can be found for as low as $285. On the other hand, Friday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $806.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the morning when flights can be purchased for as low as $466. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $748 per ticket.

How far in advance should I book a flight 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 $468 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 $280 on momondo.

Can stopping save me money on Ottawa to Colorado flights?

You could potentially save up to 58% 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

Direct flights

None
There are no direct flights from Ottawa to Colorado. There are no popular flight routes from Ottawa to Colorado.
Search flight deals

  • 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?

  • 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 AirlinesPriceFrom $251Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
Air CanadaPriceFrom $267Free CancellationRating
7.1
10,410 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.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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