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Colorado

$163+ Cheap flights from Ottawa (YOW) to Colorado

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ottawa to Colorado

Keep the following information in mind while searching for Ottawa to Colorado flight deals. Data was last updated September 11, 2025.

Round-trip from

$268
(United Airlines)

One-way from

$163
(United Airlines)

Popular in

May

Cheapest in

September

Average price

$313
From Ottawa to Colorado
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One-way flight from Ottawa to Colorado
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Highest demand for flights based on searches. 9% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Colorado

Cheapest flights from Ottawa to Colorado
Explore the most affordable flight options available from Ottawa to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/155:50 pmYOW - DEN
1 stop7h 25mUnited Airlines
Sat 10/257:48 amDEN - YOW
1 stop7h 18mUnited Airlines
Deal found 9/10$268
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Thu 10/98:35 amYOW - DEN
1 stop9h 54mAir Canada
Mon 10/136:05 pmDEN - YOW
1 stop12h 18mAir Canada
Deal found 9/11$328
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Thu 10/25:15 amYOW - DEN
1 stop8h 43mAir Canada
Sun 10/55:36 pmDEN - YOW
1 stop5h 58mAir Canada
Deal found 9/11$333
This United deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:25 pmYOW - DEN
1 stop8h 05mMultiple Airlines
Mon 10/205:30 pmDEN - YOW
1 stop6h 04mMultiple Airlines
Deal found 9/9$358
This Air Canada deal was found by Cheapflights users on 9/9. 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 12/205:25 pmYOW - DEN
1 stop17h 28mAir Canada
Sat 12/277:05 pmDEN - YOW
1 stop9h 38mAir Canada
Deal found 9/9$387
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/25:25 pmYOW - DEN
1 stop8h 05mUnited Airlines
Sun 10/56:00 amDEN - YOW
2 stops13h 09mUnited Airlines
Deal found 9/11$420
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/157:00 amYOW - DEN
2 stops18h 16mMultiple Airlines
Fri 10/2412:36 amDEN - YOW
1 stop14h 21mMultiple Airlines
Deal found 9/10$444
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/175:15 amYOW - DEN
2 stops13h 20mUnited Airlines
Mon 10/2011:59 pmDEN - YOW
2 stops13h 05mUnited Airlines
Deal found 9/9$489
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/411:55 amYOW - COS
2 stops11h 59mUnited Airlines
Sat 10/116:20 pmCOS - YOW
2 stops13h 38mUnited Airlines
Deal found 9/10$547
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 12/2910:30 amYOW - COS
2 stops11h 46mUnited Airlines
Thu 1/19:23 amCOS - YOW
2 stops12h 31mUnited Airlines
Deal found 9/10$721
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Mon 12/2912:05 pmYOW - COS
2 stops11h 06mAir Canada
Thu 1/17:00 amCOS - YOW
2 stops10h 22mAir Canada
Deal found 9/11$726
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/2612:05 pmYOW - COS
2 stops11h 54mUnited Airlines
Sun 11/25:05 pmCOS - YOW
2 stops21h 27mUnited Airlines
Deal found 9/11$779

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Ottawa to Colorado that are best for you.

Fly from

Ottawa

Fly to

Colorado

Route

Depart

Return

Price

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 10/15

5:50 pm-11:15 pm

1 stop7h 25m

Denver Intl

Sat 10/25

7:48 am-5:06 pm

1 stop7h 18m

$268

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 3/3

7:45 am-5:44 pm

1 stop11h 59m

Denver Intl

Wed 3/4

11:15 am-7:22 pm

1 stop6h 07m

$311

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 10/17

5:25 pm-6:42 am

1 stop15h 17m

Denver Intl

Mon 10/20

11:59 pm-1:09 pm

2 stops11h 10m

$333

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Fri 10/17

5:25 pm-11:30 pm

1 stop8h 05m

Denver Intl

Mon 10/20

5:30 pm-1:34 am

1 stop6h 04m

$358

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 10/2

5:25 pm-11:30 pm

1 stop8h 05m

Denver Intl

Sun 10/5

6:00 am-9:09 pm

2 stops13h 09m

$420

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 10/15

7:00 am-11:16 pm

2 stops18h 16m

Denver Intl

Fri 10/24

12:36 am-4:57 pm

1 stop14h 21m

$444

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 12/20

6:00 am-3:45 pm

2 stops11h 45m

Denver Intl

Sat 12/27

7:05 pm-6:43 am

1 stop9h 38m

$496

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 12/20

6:00 am-3:45 pm

2 stops11h 45m

Denver Intl

Sun 12/28

7:05 pm-6:43 am

1 stop9h 38m

$496

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 10/9

6:25 am-4:03 pm

2 stops11h 38m

Denver Intl

Mon 10/13

6:05 pm-8:23 am

1 stop12h 18m

$512

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 10/4

11:55 am-9:54 pm

2 stops11h 59m

Colorado Springs

Sat 10/11

6:20 pm-9:58 am

2 stops13h 38m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Ottawa to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Ottawa 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 Ottawa to Colorado

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

Currently, October is the cheapest month in which you can book a flight from Ottawa to Colorado (average of $197). Flying from Ottawa to Colorado in March is currently the most expensive (average of $278). 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 YOW to CO?

Find hourly flight availability from Ottawa to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to Colorado as you normally would.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Air Canada from Ottawa to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews

Entertainment

6.8

Food

6.3

Boarding

7.3

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews

Entertainment

6.8

Food

6.3

Boarding

7.3

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Colorado. 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 from for flights from Ottawa to Colorado?

    Ottawa (YOW), located 6.6 mi from the city center, is the airport you fly out of when you book flights from Ottawa to Colorado.

  • How long is the flight from Ottawa to Colorado?

    A quick flight from Ottawa to Colorado can take about 7h 25m. United Airlines provides one of the quickest options available for as low as $268. The distance from Ottawa to Colorado is about 1513 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Colorado 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 Ottawa to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Ottawa to Colorado (average of $197). Flying from Ottawa to Colorado in March is currently the most expensive (average of $278). 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

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Alternative routes for Ottawa to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ottawa to Colorado

Discover the top airline that operate flights from Ottawa to Colorado. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$254Average$466FlexibilityNo cancel feeOn-time67%

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