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$120+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$293
(Trip.com)

One-way from

$120
(Kiwi.com)

Popular in

January

Cheapest in

October
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. 9% potential increase in price ($55 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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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 April 24, 2025.

This Trip.com deal was found by Cheapflights users on 4/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:15 pmDEN - YOW
1 stop10h 26mWestJet
Mon 8/47:15 pmYOW - DEN
1 stop18h 12mWestJet
Deal found 4/22$278
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:15 pmDEN - YOW
3 stops34h 07mMultiple Airlines
Wed 5/148:35 amYOW - DEN
3 stops28h 52mMultiple Airlines
Deal found 4/22$342
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1010:29 amDEN - YOW
2 stops11h 53mDelta
Tue 7/295:55 amYOW - DEN
2 stops16h 03mDelta
Deal found 4/22$491
This deal was found by Cheapflights users on 4/22. 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 7/239:40 amDEN - YOW
1 stop7h 20mAir Canada
Sun 8/106:00 amYOW - DEN
1 stop6h 21mAir Canada
Deal found 4/22$864
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/76:00 amCOS - YOW
1 stop6h 04mUnited Airlines
Sat 6/145:25 pmYOW - COS
1 stop6h 14mUnited Airlines
Deal found 4/22$879
This Air Canada deal was found by Cheapflights users on 4/22. 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.
Sat 6/75:20 pmCOS - YOW
2 stops13h 13mAir Canada
Sat 6/146:00 amYOW - COS
2 stops10h 37mAir Canada
Deal found 4/22$889
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 4/246:02 amDEN - YOW
1 stop9h 04mUnited Airlines
Thu 4/247:29 pmYOW - DEN
1 stop6h 56mUnited Airlines
Deal found 4/22$1,590

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 April 24, 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

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 5/20

12:15 pm-12:42 am

1 stop10h 27m

Ottawa

Tue 5/27

7:15 pm-11:27 am

1 stop18h 12m

$293

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 5/12

12:15 pm-12:22 am

3 stops34h 07m

Ottawa

Wed 5/14

8:35 am-11:27 am

3 stops28h 52m

$342

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 6/10

10:29 am-12:22 am

2 stops11h 53m

Ottawa

Tue 7/29

5:55 am-7:58 pm

2 stops16h 03m

$491

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Sat 6/7

6:00 am-2:04 pm

1 stop6h 04m

Ottawa

Sat 6/14

5:25 pm-9:39 pm

1 stop6h 14m

$879

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Sat 6/7

5:20 pm-8:33 am

2 stops13h 13m

Ottawa

Sat 6/14

6:00 am-2:37 pm

2 stops10h 37m

$889

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 5/31

12:15 pm-12:22 am

3 stops34h 07m

$120

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/30

12:26 am-5:06 pm

1 stop14h 40m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

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, January is the cheapest month in which you can book a flight from Colorado to Ottawa (average of $294). Flying from Colorado to Ottawa in May is currently the most expensive (average of $460). 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 April 24, 2025.

When flying from Colorado to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated April 24, 2025.
Read through reviews of airlines operating flights from Colorado to Ottawa, such as Delta, United Airlines and WestJet. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,816 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,192 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, January is the cheapest month in which you can book a flight from Colorado to Ottawa (average of $294). Flying from Colorado to Ottawa in May is currently the most expensive (average of $460). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
Petawawa

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Alternative routes for Colorado to Ottawa

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Top 2 airlines flying from Colorado to Ottawa

Discover the top 2 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$299Average$544FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$314Average$522FlexibilityNo cancel feeOn-time69%

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