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$174+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DEN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$282
(flugladen.de)

One-way from

$174
(Air Canada)

Popular in

May

Cheapest in

November

Average price

$563
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 ($33 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 July 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 July 3, 2025.

This flugladen.de deal was found by Cheapflights users on 7/1. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:00 amYOW - DEN
1 stop6h 21mAir Canada
Fri 8/227:45 amDEN - YOW
1 stop7h 20mAir Canada
Deal found 7/1$282
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Thu 8/147:15 pmYOW - DEN
1 stop18h 12mWestJet
Tue 9/912:15 pmDEN - YOW
1 stop10h 25mWestJet
Deal found 7/2$312
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/105:25 pmYOW - DEN
1 stop7h 57mUnited Airlines
Thu 8/711:54 pmDEN - YOW
1 stop7h 17mUnited Airlines
Deal found 7/2$316
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Thu 8/147:00 amYOW - DEN
2 stops18h 23mMultiple Airlines
Mon 9/812:04 amDEN - YOW
1 stop15h 02mMultiple Airlines
Deal found 7/1$406
This United deal was found by Cheapflights users on 7/2. 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.
Wed 11/1911:10 amYOW - COS
2 stops12h 49mMultiple Airlines
Wed 11/267:00 amCOS - YOW
2 stops10h 22mMultiple Airlines
Deal found 7/2$573
This United Airlines deal was found by Cheapflights users on 7/2. 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 11/196:20 amYOW - COS
2 stops17h 39mUnited Airlines
Wed 11/269:22 amCOS - YOW
1 stop5h 50mUnited Airlines
Deal found 7/2$607

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 July 3, 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

Fri 8/15

6:00 am-10:21 am

1 stop6h 21m

Denver Intl

Fri 8/22

7:45 am-5:05 pm

1 stop7h 20m

$282

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 8/14

7:15 pm-11:27 am

1 stop18h 12m

Denver Intl

Tue 9/9

12:15 pm-12:40 am

1 stop10h 25m

$312

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 8/14

7:29 pm-12:30 am

1 stop7h 01m

Denver Intl

Tue 9/9

11:18 am-9:35 pm

1 stop8h 17m

$326

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 8/14

7:00 am-11:23 pm

2 stops18h 23m

Denver Intl

Mon 9/8

12:04 am-5:06 pm

1 stop15h 02m

$406

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Wed 11/19

11:10 am-9:59 pm

2 stops12h 49m

Colorado Springs

Wed 11/26

7:00 am-7:22 pm

2 stops10h 22m

$573

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Wed 11/19

6:20 am-9:59 pm

2 stops17h 39m

Colorado Springs

Wed 11/26

9:22 am-5:12 pm

1 stop5h 50m

$607

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Wed 7/16

9:25 am-7:30 pm

1 stop12h 05m

$174

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sun 9/7

6:10 am-6:48 pm

2 stops14h 38m

$178

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Thu 7/10

7:29 pm-12:30 am

1 stop7h 01m

$184

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 7/15

3:35 pm-4:19 am

3 stops38h 44m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 July 3, 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 July 3, 2025.
Peruse reviews from past customers who have flown with United Airlines, WestJet, and 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.
United Airlines
7.4
Good
8,845 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,845 reviews
United Airlines
7.4
Good
8,845 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
2,917 reviews
United Airlines
7.4
Good
8,845 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
9,678 reviews
United Airlines
7.4
Good
8,845 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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 Air Canada, with whom users have recently found tickets for as low as $174. However, be on the lookout for offers from WestJet and United Airlines, 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$229Average$377FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$234Average$332FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$254Average$460FlexibilityNo cancel feeOn-time67%

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