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Cheap flights from Colorado to Ottawa from $208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Ottawa departing on 9/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 5:35 amDEN  Denver Intl-YOW Ottawa
20h 35m2 stops Phoenix Sky Harbor Intl Calgary
Multiple Airlines Logo
8:15 pm - 11:20 amYOW  Ottawa-DEN Denver Intl
17h 05m1 stop Calgary
$387Multiple Airlines
Fri, Sep 25 - Thu, Oct 1
Multiple Airlines Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
Multiple Airlines Logo
2:20 pm - 9:03 pmYOW  Ottawa-DEN Denver Intl
32h 43m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson
$396Multiple Airlines
Fri, Sep 25 - Mon, Sep 28
WestJet Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
WestJet Logo
8:15 pm - 11:20 amYOW  Ottawa-DEN Denver Intl
17h 05m1 stop Calgary
$404WestJet
Fri, Sep 25 - Thu, Oct 1
Multiple Airlines Logo
12:15 pm - 5:35 amDEN  Denver Intl-YOW Ottawa
15h 20m1 stop Calgary
Multiple Airlines Logo
7:20 am - 11:48 pmYOW  Ottawa-DEN Denver Intl
18h 28m2 stops Calgary Phoenix Sky Harbor Intl
$406Multiple Airlines
Fri, Sep 25 - Mon, Sep 28
United Airlines Logo
11:55 am - 9:35 pmCOS  Colorado Springs-YOW Ottawa
7h 40m1 stop Chicago O'Hare Intl
United Airlines Logo
5:20 pm - 9:54 pmYOW  Ottawa-COS Colorado Springs
6h 34m1 stop Chicago O'Hare Intl
$689United Airlines
Sat, Sep 5 - Fri, Sep 11
United Airlines Logo
1:00 pm - 9:31 pmASE  Aspen Pitkin County-YOW Ottawa
6h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
6:15 am - 5:41 pmYOW  Ottawa-ASE Aspen Pitkin County
13h 26m1 stop Chicago O'Hare Intl
$689United Airlines
Tue, Jan 12 - Sat, Jan 16
United Airlines Logo
6:32 pm - 2:12 pmCOS  Colorado Springs-YOW Ottawa
17h 40m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
4:36 pm - 9:40 pmYOW  Ottawa-COS Colorado Springs
7h 04m1 stop Chicago O'Hare Intl
$699United Airlines
Tue, Dec 29 - Thu, Dec 31
United Airlines Logo
11:30 am - 10:35 pmCOS  Colorado Springs-YOW Ottawa
9h 05m2 stops Denver Intl Newark
United Airlines Logo
6:25 am - 10:47 amYOW  Ottawa-COS Colorado Springs
6h 22m1 stop Chicago O'Hare Intl
$699United Airlines
Sat, Sep 5 - Fri, Sep 11
Air Canada Logo
11:25 am - 8:51 pmDEN  Denver Intl-YOW Ottawa
7h 26m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 am - 10:31 amYOW  Ottawa-DEN Denver Intl
6h 31m1 stop Montreal Pierre Elliott Trudeau Intl
$729Air Canada
Mon, Sep 7 - Thu, Sep 10
Air Canada Logo
11:25 am - 7:45 pmDEN  Denver Intl-YOW Ottawa
6h 20m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
2:35 pm - 6:46 pmYOW  Ottawa-DEN Denver Intl
6h 11m1 stop Montreal Pierre Elliott Trudeau Intl
$729Air Canada
Wed, Oct 14 - Wed, Oct 21

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WestJet flights from Colorado to Ottawa

Our best WestJet deals on Colorado to Ottawa flight tickets
WestJet
Sep 25
DEN12:15 pmDenver Intl
15h 20m
1 stop
YOW5:35 amOttawa
Oct 1
YOW8:15 pmOttawa
17h 05m
1 stop
DEN11:20 amDenver Intl
$404
WestJet
Oct 11
DEN12:15 pmDenver Intl
29h 05m
1 stop
YOW7:20 pmOttawa
Oct 17
YOW4:15 pmOttawa
21h 05m
1 stop
DEN11:20 amDenver Intl
$426
WestJet
Aug 25
DEN12:15 pmDenver Intl
15h 20m
1 stop
YOW5:35 amOttawa
Aug 31
YOW7:20 amOttawa
30h 00m
1 stop
DEN11:20 amDenver Intl
$536

United Airlines flights from Colorado to Ottawa

Our best United Airlines deals on Colorado to Ottawa flight tickets
United Airlines
Sep 5
COS11:55 amColorado Springs
7h 40m
1 stop
YOW9:35 pmOttawa
Sep 11
YOW5:20 pmOttawa
6h 34m
1 stop
COS9:54 pmColorado Springs
$689
United Airlines
Sep 5
COS11:30 amColorado Springs
9h 05m
2 stops
YOW10:35 pmOttawa
Sep 11
YOW6:25 amOttawa
6h 22m
1 stop
COS10:47 amColorado Springs
$699
United Airlines
Sep 5
COS5:30 amColorado Springs
9h 08m
2 stops
YOW4:38 pmOttawa
Sep 11
YOW10:37 amOttawa
15h 18m
2 stops
COS11:55 pmColorado Springs
$704

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Ottawa 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 August 10, 2026.
Use the filters below to find and compare flights from Colorado to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 9/25

7:00 am-5:35 am

2 stops20h 35m

Ottawa

Thu 10/1

8:15 pm-11:20 am

1 stop17h 05m

$387

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 9/25

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Mon 9/28

2:20 pm-9:03 pm

2 stops32h 43m

$396

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 9/25

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Thu 10/1

8:15 pm-11:20 am

1 stop17h 05m

$404

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Fri 9/25

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Mon 9/28

7:20 am-11:48 pm

2 stops18h 28m

$406

Colorado SpringsOttawa

COS Colorado Springs - YOW Ottawa

COSYOW

Colorado Springs

Sat 9/5

11:55 am-9:35 pm

1 stop7h 40m

Ottawa

Fri 9/11

5:20 pm-9:54 pm

1 stop6h 34m

$689

AspenOttawa

ASE Aspen Pitkin County - YOW Ottawa

ASEYOW

Aspen Pitkin County

Tue 1/12

1:00 pm-9:31 pm

1 stop6h 31m

Ottawa

Sat 1/16

6:15 am-5:41 pm

1 stop13h 26m

$689

Colorado SpringsOttawa

COS Colorado Springs - YOW Ottawa

COSYOW

Colorado Springs

Tue 12/29

6:32 pm-2:12 pm

2 stops17h 40m

Ottawa

Thu 12/31

4:36 pm-9:40 pm

1 stop7h 04m

$699

Colorado SpringsOttawa

COS Colorado Springs - YOW Ottawa

COSYOW

Colorado Springs

Sat 9/5

11:30 am-10:35 pm

2 stops9h 05m

Ottawa

Fri 9/11

6:25 am-10:47 am

1 stop6h 22m

$699

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Mon 9/7

11:25 am-8:51 pm

1 stop7h 26m

Ottawa

Thu 9/10

6:00 am-10:31 am

1 stop6h 31m

$729
Quickest round-trip

DenverOttawa

DEN Denver Intl - YOW Ottawa

DENYOW

Denver Intl

Wed 10/14

11:25 am-7:45 pm

1 stop6h 20m

Ottawa

Wed 10/21

2:35 pm-6:46 pm

1 stop6h 11m

$729

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Colorado to Ottawa

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 Ottawa?

In general, November is the cheapest month to fly from Colorado to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of October is another great option to travel to Ottawa, with average flight prices from Colorado averaging around $397.

Can stopping save me money on Colorado to Ottawa flights?

You could potentially save up to 56% on your flight if you consider stops on a Colorado to Ottawa flight.

Cheap Colorado to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Ottawa

Fastest flight time

6h 31m

Direct flights

None
The fastest flight from Colorado to Ottawa takes 6h 31m
There are no direct flights from Colorado to Ottawa. There are no popular flight routes from Colorado to Ottawa.
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Frequently asked questions about flying from Colorado to Ottawa

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

    Prices for flights from Colorado to Ottawa Airport were last updated today.

  • How many operators does momondo search for flights from Colorado to Ottawa Airport?

  • How old do you have to be to fly from Colorado to Ottawa Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents required for your trip to Ottawa Airport 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 Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Colorado to Ottawa

Compare and see reviews for airlines that fly from Colorado to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $363Free CancellationRating
7.1
11,460 reviews
Search Air Canada flights
United AirlinesPriceFrom $462Free CancellationRating
7.4
10,100 reviews
Search United Airlines flights

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
Petawawa
Perth
Calabogie
Smiths Falls
Prescott
Wakefield

Why use momondo?

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

It is quick and easy to find Colorado to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

Can I find flights from Colorado to Ottawa with flexible booking policies on momondo?

Yes. All flights to Ottawa from Colorado on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Colorado to Ottawa?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Ottawa.

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

If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from Colorado and alert you when they change.

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