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$115+ Cheap flights from Colorado to Ottawa (YOW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Colorado to Ottawa

Keep the following information in mind while searching for Colorado to Ottawa flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$350
(Kiwi.com)

One-way from

$115
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$397
Provider with most accurate pricing for Denver Intl-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Ottawa flights.
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From Colorado to Ottawa
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One-way flight from Colorado to Ottawa
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Highest demand for flights based on searches. 3% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Colorado to Ottawa

Cheapest flights from Colorado to Ottawa
Explore the most affordable flight options available from Colorado to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:59 pmDEN - YOW
1 stop15h 14mMultiple Airlines
Thu 12/116:00 amYOW - DEN
2 stops15h 48mMultiple Airlines
Deal found 10/29$350
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:25 pmDEN - YOW
1 stop5h 53mAir Canada
Tue 1/65:35 pmYOW - DEN
1 stop25h 10mAir Canada
Deal found 10/29$696
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amDEN - YOW
2 stops9h 51mAmerican Airlines
Tue 1/66:45 amYOW - DEN
2 stops18h 31mAmerican Airlines
Deal found 10/30$803
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:30 pmDEN - YOW
2 stops10h 11mAmerican Airlines
Thu 12/116:45 amYOW - DEN
2 stops11h 21mAmerican Airlines
Deal found 10/29$891
This deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:30 pmDEN - YOW
1 stop6h 08mAir Canada
Fri 11/1410:20 amYOW - DEN
1 stop8h 20mAir Canada
Deal found 10/29$931

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Colorado to Ottawa that are best for you.

Fly from

Colorado

Fly to

Ottawa

Route

Depart

Return

Price

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Thu 2/5

12:53 pm-9:18 pm

1 stop6h 25m

Ottawa

Mon 2/9

6:20 am-11:55 am

1 stop7h 35m

$363

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Tue 4/7

5:13 pm-1:45 pm

2 stops18h 32m

Ottawa

Wed 4/8

5:25 pm-11:59 pm

2 stops8h 34m

$377

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 12/5

11:59 pm-5:13 pm

1 stop15h 14m

Ottawa

Thu 12/11

9:35 am-3:43 pm

1 stop32h 08m

$388

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Thu 4/2

1:00 pm-9:47 am

2 stops18h 47m

Ottawa

Mon 4/6

5:25 pm-8:51 am

2 stops17h 26m

$598

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 12/23

1:25 pm-9:18 pm

1 stop5h 53m

Ottawa

Tue 1/6

5:35 pm-4:45 pm

1 stop25h 10m

$696

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 4/7

8:45 pm-4:50 pm

2 stops18h 05m

Ottawa

Thu 4/9

6:52 am-6:18 pm

2 stops13h 26m

$723

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 4/6

6:19 pm-4:53 pm

3 stops44h 34m

Ottawa

Thu 4/9

6:55 pm-5:51 pm

3 stops24h 56m

$749

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 4/7

7:05 pm-6:43 am

1 stop9h 38m

Ottawa

Thu 4/9

7:45 am-5:50 pm

1 stop12h 05m

$789

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 4/6

11:05 am-7:16 pm

1 stop6h 11m

Ottawa

Thu 4/9

7:45 am-5:50 pm

1 stop12h 05m

$789

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 12/23

5:44 pm-4:51 pm

2 stops21h 07m

Ottawa

Tue 1/6

6:45 am-11:16 pm

2 stops18h 31m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 18 results
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Best time to book a flight from Colorado to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Ottawa

What is the cheapest month to book a flight from Colorado to Ottawa?

Currently, August is the cheapest month in which you can book a flight from Colorado to Ottawa (average of $109). Flying from Colorado to Ottawa in October is currently the most expensive (average of $274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to YOW?

Find hourly flight availability from Colorado to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 44% on flights from Colorado to Ottawa by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ottawa from Colorado?

    Ottawa (YOW) is the airport you will fly into if you book a flight from Colorado to Ottawa. It is only a 6.6 mi journey from Ottawa (YOW) to Ottawa’s city center.

  • How long is the flight from Colorado to Ottawa?

    United Airlines and Air Canada can get you from Colorado to Ottawa in just under 5h 53m. Your travel time can differ by up to 32m. Colorado and Ottawa are separated by a distance of 1513 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Colorado to Ottawa?

    While some choose either Colorado Springs - Ottawa or Aspen Pitkin County - Ottawa, Denver Intl - Ottawa is the most popular route from Colorado to Ottawa.

  • Can I find deals for flights from Colorado to Ottawa that include hotel bookings?

    Yes. In addition to deals on Colorado to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Ottawa.

  • Can I find deals for business class flights from Colorado to Ottawa?

    Yes. Cheapflights offers flight deals from Colorado to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Ottawa?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Ottawa (average of $109). Flying from Colorado to Ottawa in October is currently the most expensive (average of $274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Alternative routes for Colorado to Ottawa

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Top 3 airlines flying from Colorado to Ottawa

Discover the top 3 airlines that operate flights from Colorado to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$143Average$309FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$290Average$512FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$319Average$481FlexibilityNo cancel feeOn-time69%

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