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Cheap flights from Ottawa to Colorado from C$ 269

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DEN
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Colorado

Enter your travel dates to find the best prices.

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 11 March 2026.

Sat 19/96:25 a.m.
YOW
-
COS
1 stop6h 34m
United Airlines
Sat 26/95:13 p.m.
COS
-
YOW
2 stops18h 32m
United Airlines
Deal found 9/3C$ 509
Sat 19/95:20 p.m.
YOW
-
COS
2 stops8h 29m
United Airlines
Thu 24/96:35 p.m.
COS
-
YOW
2 stops12h 36m
United Airlines
Deal found 10/3C$ 519
Sat 11/46:25 a.m.
YOW
-
COS
2 stops10h 05m
Air Canada
Wed 15/41:33 p.m.
COS
-
YOW
2 stops10h 03m
Air Canada
Deal found 6/3C$ 531
Sat 11/46:10 a.m.
YOW
-
COS
2 stops10h 20m
United Airlines
Wed 15/46:00 a.m.
COS
-
YOW
1 stop5h 59m
United Airlines
Deal found 6/3C$ 551
Tue 21/410:35 a.m.
YOW
-
DEN
1 stop13h 09m
Multiple Airlines
Tue 28/411:59 p.m.
DEN
-
YOW
2 stops39h 26m
Multiple Airlines
Deal found 7/3C$ 589
Sat 19/910:25 a.m.
YOW
-
COS
2 stops15h 24m
Air Canada
Fri 25/97:00 a.m.
COS
-
YOW
2 stops15h 53m
Air Canada
Deal found 9/3C$ 608
Sat 4/44:15 p.m.
YOW
-
DEN
2 stops17h 54m
Multiple Airlines
Sat 11/410:59 a.m.
DEN
-
YOW
1 stop10h 59m
Multiple Airlines
Deal found 7/3C$ 622
Sat 4/410:35 a.m.
YOW
-
DEN
1 stop13h 10m
Multiple Airlines
Wed 8/411:59 p.m.
DEN
-
YOW
2 stops21h 59m
Multiple Airlines
Deal found 7/3C$ 629
Mon 6/49:30 a.m.
YOW
-
DEN
1 stop9h 28m
Multiple Airlines
Mon 13/45:53 p.m.
DEN
-
YOW
2 stops20h 58m
Multiple Airlines
Deal found 9/3C$ 649
Sun 12/44:15 p.m.
YOW
-
DEN
2 stops17h 54m
Multiple Airlines
Tue 14/410:38 a.m.
DEN
-
YOW
1 stop8h 52m
Multiple Airlines
Deal found 9/3C$ 664
Wed 10/66:15 p.m.
YOW
-
DEN
2 stops19h 05m
WestJet
Tue 23/612:15 p.m.
DEN
-
YOW
2 stops27h 20m
WestJet
Deal found 11/3C$ 671
Sun 5/43:05 p.m.
YOW
-
DEN
2 stops14h 54m
Multiple Airlines
Sun 12/49:25 a.m.
DEN
-
YOW
1 stop12h 33m
Multiple Airlines
Deal found 8/3C$ 692

Find flight deals from Ottawa to Colorado

Keep the following information in mind while searching for Ottawa to Colorado flight deals. Data was last updated 11 March 2026.

Round-trip from

C$ 527

One-way from

C$ 269

Popular in

January

Cheapest in

February

Average price

C$ 794
United Airlines
  • United Airlines
  • 11/4-15/4
  • 3 total stops
  • 16h 19m total
  • Ottawa to Colorado
Search Deals
20/4
  • 20/4
  • 3 total stops
  • 24h 19m total
  • Ottawa to Colorado
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 629,999 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from Ottawa to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 11/4

6:25 a.m.-2:30 p.m.

2 stops10h 05m

Colorado Springs

Wed 15/4

1:33 p.m.-1:36 a.m.

2 stops10h 03m

C$ 531

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Sat 11/4

6:10 a.m.-2:30 p.m.

2 stops10h 20m

Colorado Springs

Wed 15/4

6:00 a.m.-1:59 p.m.

1 stop5h 59m

C$ 551

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sat 4/4

4:15 p.m.-8:09 a.m.

2 stops17h 54m

Denver Intl

Sat 11/4

10:59 a.m.-11:58 p.m.

1 stop10h 59m

C$ 622

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Sun 5/4

3:05 p.m.-3:59 a.m.

2 stops14h 54m

Denver Intl

Sun 12/4

9:25 a.m.-11:58 p.m.

1 stop12h 33m

C$ 692

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 21/4

6:00 a.m.-11:56 p.m.

2 stops19h 56m

Denver Intl

Thu 30/4

6:00 a.m.-5:35 a.m.

2 stops21h 35m

C$ 752

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 8/6

10:10 a.m.-11:04 p.m.

1 stop14h 54m

Denver Intl

Sun 14/6

8:55 a.m.-12:20 a.m.

2 stops13h 25m

C$ 760

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 21/4

7:45 a.m.-5:50 p.m.

1 stop12h 05m

Denver Intl

Thu 30/4

7:05 p.m.-6:45 a.m.

1 stop9h 40m

C$ 786
Quickest round-trip

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 21/4

5:50 p.m.-11:59 p.m.

1 stop8h 09m

Denver Intl

Thu 30/4

11:59 p.m.-9:11 a.m.

1 stop7h 12m

C$ 787

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Mon 8/6

10:44 a.m.-12:53 a.m.

1 stop16h 09m

Denver Intl

Sun 14/6

7:13 p.m.-10:03 a.m.

1 stop12h 50m

C$ 789

OttawaDenver

YOW - DEN

YOWDEN

Ottawa

Tue 21/4

10:00 a.m.-4:28 p.m.

1 stop8h 28m

Denver Intl

Tue 28/4

11:38 a.m.-10:05 p.m.

1 stop8h 27m

C$ 789

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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, April is the cheapest month in which you can book a flight from Ottawa to Colorado (average of C$ 295). Flying from Ottawa to Colorado in January is currently the most expensive (average of C$ 519). 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.

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 11 March 2026.
Get a feel of what it's like to fly with United Airlines,WestJet, andAir Canada from Ottawa to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,413 reviews
Check prices

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,413 reviews
United Airlines
7.4
Good
9,413 reviews
Check prices

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,288 reviews
United Airlines
7.4
Good
9,413 reviews
Check prices

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,413 reviews
Check prices

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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?

    For a flight from Ottawa to Colorado, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city.

  • How long is the flight from Ottawa to Colorado?

    A quick flight from Ottawa to Colorado can take about 10h 05m. Air Canada provides one of the quickest options available for as low as C$ 531. The distance from Ottawa to Colorado is about 2486 km. When browsing for deals, the options you’ll see will be for both direct 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, April is the cheapest month in which you can book a flight from Ottawa to Colorado (average of C$ 295). Flying from Ottawa to Colorado in January is currently the most expensive (average of C$ 519). 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 629,999 searches. Data last updated 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 299AverageC$ 600FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 323AverageC$ 459FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 379AverageC$ 646FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Colorado?

Cheapflights helps you search for flights from Ottawa to Colorado via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Colorado?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Colorado.

Can Cheapflights find flights from Ottawa to Colorado with no change fees?

Need flexible booking options for your flight to Colorado from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to Colorado become cheaper?

Of course! You can now track prices for flights from Ottawa to Colorado and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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