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$256+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheap 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 February 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Tue 3/35:20 pm
DEN
-
YOW
2 stops22h 05m
Multiple Airlines
Tue 3/109:30 am
YOW
-
DEN
1 stop15h 39m
Multiple Airlines
Deal found 2/1$368
This United Airlines deal was found by Cheapflights users on 1/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/283:35 pm
COS
-
YOW
2 stops16h 51m
United Airlines
Sat 3/75:11 pm
YOW
-
COS
2 stops18h 50m
United Airlines
Deal found 1/31$397
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1912:15 pm
DEN
-
YOW
2 stops22h 15m
WestJet
Tue 6/233:45 pm
YOW
-
DEN
1 stop21h 40m
WestJet
Deal found 1/30$398
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Mon 3/29:06 pm
DEN
-
YOW
2 stops25h 19m
Multiple Airlines
Mon 3/94:20 pm
YOW
-
DEN
1 stop18h 00m
Multiple Airlines
Deal found 2/1$410
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Wed 3/186:00 am
DEN
-
YOW
2 stops33h 25m
Multiple Airlines
Wed 3/259:30 am
YOW
-
DEN
1 stop24h 50m
Multiple Airlines
Deal found 2/1$450
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Tue 2/178:54 am
DEN
-
YOW
1 stop10h 36m
Multiple Airlines
Wed 4/17:00 am
YOW
-
DEN
2 stops27h 09m
Multiple Airlines
Deal found 1/31$460
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:28 pm
ASE
-
YOW
2 stops17h 59m
United Airlines
Tue 3/3110:44 am
YOW
-
ASE
1 stop6h 33m
United Airlines
Deal found 1/30$627
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:30 pm
COS
-
YOW
2 stops25h 22m
United Airlines
Sun 2/86:20 am
YOW
-
COS
1 stop6h 42m
United Airlines
Deal found 1/30$771

Find flight deals from Colorado to Ottawa

Keep the following information in mind while searching for Colorado to Ottawa flight deals. Data was last updated February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$368
(Kiwi.com)

One-way from

$256
(United Airlines)

Popular in

February

Cheapest in

May

Average price

$724
Provider with most accurate pricing for Denver Intl-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Ottawa flights.
Search Deals
From Colorado to Ottawa
Search Deals
One-way flight from Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 2, 2026.
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

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 3/3

5:20 pm-5:25 pm

2 stops22h 05m

Ottawa

Tue 3/10

9:30 am-11:09 pm

1 stop15h 39m

$368

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Sat 2/28

3:35 pm-10:26 am

2 stops16h 51m

Ottawa

Sat 3/7

5:11 pm-10:01 am

2 stops18h 50m

$397

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 6/19

12:15 pm-12:30 pm

2 stops22h 15m

Ottawa

Tue 6/23

3:45 pm-11:25 am

1 stop21h 40m

$398

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 3/18

6:00 am-5:25 pm

2 stops33h 25m

Ottawa

Wed 3/25

9:30 am-8:20 am

1 stop24h 50m

$450

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 5/14

10:45 am-12:20 am

2 stops11h 35m

Ottawa

Sun 5/17

1:20 pm-11:20 am

1 stop24h 00m

$540

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 3/28

8:00 am-12:02 am

2 stops14h 02m

Ottawa

Mon 3/30

4:20 pm-8:20 am

1 stop18h 00m

$554

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Fri 3/27

6:28 pm-2:27 pm

2 stops17h 59m

Ottawa

Tue 3/31

10:44 am-3:17 pm

1 stop6h 33m

$627

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Tue 2/17

6:39 pm-10:26 am

2 stops13h 47m

$256

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 7/1

7:50 pm-8:29 am

1 stop10h 39m

$322

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 7/1

8:00 am-9:36 pm

2 stops11h 36m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 13 results
1
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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 February is currently the most expensive (average of $269). 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.

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 WestJet can get you from Colorado to Ottawa in just under 16h 51m. Your travel time can differ by up to 5h 24m. Colorado and Ottawa are separated by a distance of 1545 mi. This flight may include one or multiple stops.

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

    While some choose either Aspen Pitkin County - Ottawa or Colorado Springs - 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 February is currently the most expensive (average of $269). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$130Average$309FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$277Average$510FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$309Average$481FlexibilityNo cancel feeOn-time69%

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