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$161+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DEN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$259
(SmartFares)

One-way from

$161
(United Airlines)

Popular in

May

Cheapest in

September

Average price

$393
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. 6% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This SmartFares deal was found by Cheapflights users on 6/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/237:15 pmYOW - DEN
1 stop18h 12mWestJet
lun. 7/2812:15 pmDEN - YOW
1 stop10h 26mWestJet
Deal found 6/10$259
This United Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 7/55:50 pmYOW - DEN
1 stop7h 39mUnited Airlines
sáb. 7/1211:54 pmDEN - YOW
1 stop7h 17mUnited Airlines
Deal found 6/10$267
This Kissandfly.com deal was found by Cheapflights users on 6/10. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/82:48 pmYOW - DEN
1 stop8h 29mLufthansa
mar. 7/155:59 pmDEN - YOW
2 stops13h 12mLufthansa
Deal found 6/10$287
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/246:00 amYOW - DEN
1 stop6h 21mAir Canada
jue. 8/287:45 amDEN - YOW
1 stop7h 20mAir Canada
Deal found 6/10$309
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/86:50 pmYOW - DEN
1 stop18h 37mMultiple Airlines
mar. 7/1512:15 pmDEN - YOW
3 stops25h 06mMultiple Airlines
Deal found 6/10$422
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/145:55 amYOW - DEN
2 stops14h 07mDelta
sáb. 10/186:45 amDEN - YOW
2 stops15h 37mDelta
Deal found 6/10$449
This United Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 8/155:15 amYOW - COS
2 stops18h 40mUnited Airlines
lun. 8/183:35 pmCOS - YOW
2 stops20h 38mUnited Airlines
Deal found 6/11$597

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 junio 12, 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

mié. 7/23

7:15 pm-11:27 am

1 stop18h 12m

Denver Intl

lun. 7/28

12:15 pm-12:41 am

1 stop10h 26m

$259

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

sáb. 7/5

5:50 pm-11:29 pm

1 stop7h 39m

Denver Intl

sáb. 7/12

11:54 pm-9:11 am

1 stop7h 17m

$267

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

mar. 7/8

2:48 pm-9:17 pm

1 stop8h 29m

Denver Intl

mar. 7/15

5:59 pm-9:11 am

2 stops13h 12m

$287

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

dom. 8/24

6:00 am-10:21 am

1 stop6h 21m

Denver Intl

jue. 8/28

7:45 am-5:05 pm

1 stop7h 20m

$309

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

mar. 7/8

6:50 pm-11:27 am

1 stop18h 37m

Denver Intl

mar. 7/15

12:15 pm-3:21 pm

3 stops25h 06m

$422

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

mar. 10/14

5:55 am-6:02 pm

2 stops14h 07m

Denver Intl

sáb. 10/18

6:45 am-12:22 am

2 stops15h 37m

$449

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

vie. 8/15

5:15 am-9:55 pm

2 stops18h 40m

Colorado Springs

lun. 8/18

3:35 pm-2:13 pm

2 stops20h 38m

$597

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

sáb. 7/26

7:29 pm-12:30 am

1 stop7h 01m

$161

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

dom. 7/27

6:00 am-10:21 am

1 stop6h 21m

$163

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

dom. 7/27

5:15 pm-11:27 am

2 stops44h 12m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
1
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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 junio 12, 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.

Rainfall in Colorado by month

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

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

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

If weather is an important factor for your trip to Colorado, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and WestJet from Ottawa to Colorado to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,136 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Ottawa to Colorado one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $161. However, be on the lookout for offers from Air Canada and WestJet, as they are both options that can get you from Ottawa to Colorado for a low price.

  • 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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Top 3 airlines flying from Ottawa to Colorado

Discover the top 3 airlines 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$229Average$377FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$234Average$429FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$249Average$470FlexibilityNo cancel feeOn-time67%

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