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Cheap flights from Colorado to Ottawa from C$ 450

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Ottawa

Enter your travel dates to find the best prices.

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 16 December 2025.

Tue 23/128:33 a.m.DEN - YOW
2 stops13h 52mMultiple Airlines
Tue 30/129:30 a.m.YOW - DEN
1 stop24h 54mMultiple Airlines
Deal found 16/12C$ 963
Tue 23/127:50 a.m.DEN - YOW
1 stop6h 37mUnited Airlines
Tue 6/15:11 p.m.YOW - DEN
2 stops19h 04mUnited Airlines
Deal found 16/12C$ 1,300
Tue 23/125:00 a.m.DEN - YOW
2 stops9h 51mAmerican Airlines
Tue 6/16:45 a.m.YOW - DEN
3 stops17h 49mAmerican Airlines
Deal found 16/12C$ 1,424
Tue 30/121:25 p.m.DEN - YOW
1 stop16h 53mAir Canada
Thu 1/12:50 p.m.YOW - DEN
1 stop7h 05mAir Canada
Deal found 16/12C$ 1,472
Tue 30/127:50 a.m.DEN - YOW
1 stop6h 37mUnited Airlines
Thu 1/16:15 a.m.YOW - DEN
2 stops14h 03mUnited Airlines
Deal found 16/12C$ 1,493
Tue 23/126:00 a.m.DEN - YOW
2 stops16h 42mWestJet
Tue 6/15:40 a.m.YOW - DEN
2 stops34h 20mWestJet
Deal found 16/12C$ 1,497
Tue 30/1211:59 p.m.DEN - YOW
3 stops14h 52mAmerican Airlines
Thu 1/19:15 a.m.YOW - DEN
3 stops16h 41mAmerican Airlines
Deal found 16/12C$ 1,570

Find flight deals from Colorado to Ottawa

Keep the following information in mind while searching for Colorado to Ottawa flight deals. Data was last updated 16 December 2025.

Round-trip from

C$ 442

Popular in

December

Cheapest in

February

Average price

C$ 1,087
2/2-9/2
  • 2/2-9/2
  • 3 total stops
  • 39h 09m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 392 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 629,999 searches. Data last updated 16 December 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

Thu 8/1

10:29 p.m.-12:42 a.m.

2 stops24h 13m

Ottawa

Thu 15/1

9:40 a.m.-12:55 a.m.

1 stop17h 15m

C$ 478

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Sat 10/1

1:25 p.m.-11:54 p.m.

2 stops8h 29m

Ottawa

Tue 13/1

9:45 a.m.-10:06 p.m.

2 stops14h 21m

C$ 520

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 29/1

6:00 a.m.-12:25 a.m.

2 stops16h 25m

Ottawa

Thu 5/2

4:20 p.m.-8:30 a.m.

1 stop18h 10m

C$ 523

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 13/1

6:27 p.m.-5:25 p.m.

2 stops20h 58m

Ottawa

Tue 20/1

9:30 a.m.-10:00 a.m.

1 stop26h 30m

C$ 523

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 11/2

10:34 a.m.-12:39 a.m.

2 stops12h 05m

Ottawa

Wed 18/2

5:40 a.m.-1:35 p.m.

2 stops9h 55m

C$ 819

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 13/1

10:34 a.m.-12:42 a.m.

2 stops12h 08m

Ottawa

Tue 20/1

5:40 a.m.-1:33 p.m.

2 stops9h 53m

C$ 820

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 20/3

10:40 a.m.-12:39 a.m.

2 stops11h 59m

Ottawa

Sun 29/3

4:20 p.m.-8:20 a.m.

1 stop18h 00m

C$ 888

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 12/1

7:10 a.m.-12:42 a.m.

2 stops15h 32m

Ottawa

Wed 14/1

5:40 a.m.-1:33 p.m.

2 stops9h 53m

C$ 930

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 2/2

7:10 a.m.-12:39 a.m.

2 stops15h 29m

Ottawa

Mon 9/2

5:40 a.m.-5:28 p.m.

2 stops13h 48m

C$ 930

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 23/2

10:05 a.m.-9:18 p.m.

2 stops9h 13m

C$ 522

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

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, August is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 150). Flying from Colorado to Ottawa in October is currently the most expensive (average of C$ 366). 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.

How much does it cost to fly round-trip from Colorado to Ottawa?

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), located 10.6 km from the city centre, is the airport you fly into when you book flights from Colorado to Ottawa.

  • How long is the flight from Colorado to Ottawa?

    There are many flights that can get you from Colorado to Ottawa in 8h 29m. Fly via United Airlines to get the fastest option. There are 2486 km between Colorado and 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, August is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 150). Flying from Colorado to Ottawa in October is currently the most expensive (average of C$ 366). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Pembroke
Wakefield

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Alternative routes for Colorado to Ottawa

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Top airline flying from Colorado to Ottawa

Discover the top airline 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 629,999 searches. Data last updated 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 243AverageC$ 571FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Colorado to Ottawa?

Cheapflights helps you search for flights from Colorado to Ottawa 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 Colorado to Ottawa?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from Colorado.

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

Yes, we can. To see specific flights from Colorado to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Colorado to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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