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Cheap flights from Colorado to Ottawa from C$ 213

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
27 Feb — 6 Mar1
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 28 January 2026.

Thu 26/26:00 a.m.
DEN
-
YOW
2 stops33h 25m
Multiple Airlines
Thu 5/34:20 p.m.
YOW
-
DEN
1 stop18h 00m
Multiple Airlines
Deal found 27/1C$ 470
Thu 5/36:00 a.m.
DEN
-
YOW
1 stop13h 30m
Multiple Airlines
Fri 6/34:20 p.m.
YOW
-
DEN
1 stop18h 00m
Multiple Airlines
Deal found 28/1C$ 558
Wed 4/27:30 a.m.
COS
-
YOW
2 stops11h 48m
United Airlines
Sun 8/27:27 p.m.
YOW
-
COS
2 stops15h 25m
United Airlines
Deal found 25/1C$ 674
Tue 10/26:30 a.m.
DEN
-
YOW
1 stop13h 00m
Multiple Airlines
Fri 13/23:55 p.m.
YOW
-
DEN
2 stops33h 22m
Multiple Airlines
Deal found 27/1C$ 714
Sat 31/12:41 p.m.
DEN
-
YOW
2 stops31h 17m
Multiple Airlines
Mon 16/210:10 a.m.
YOW
-
DEN
1 stop25h 01m
Multiple Airlines
Deal found 27/1C$ 719
Mon 16/37:00 a.m.
DEN
-
YOW
1 stop15h 02m
Multiple Airlines
Fri 20/35:40 a.m.
YOW
-
DEN
2 stops24h 16m
Multiple Airlines
Deal found 27/1C$ 730
Fri 13/311:59 p.m.
DEN
-
YOW
1 stop22h 03m
Multiple Airlines
Fri 20/35:40 a.m.
YOW
-
DEN
2 stops24h 16m
Multiple Airlines
Deal found 27/1C$ 815
Tue 9/612:15 p.m.
DEN
-
YOW
1 stop25h 10m
WestJet
Fri 12/64:15 p.m.
YOW
-
DEN
1 stop21h 05m
WestJet
Deal found 27/1C$ 843
Thu 14/57:00 a.m.
DEN
-
YOW
2 stops15h 20m
Multiple Airlines
Sun 17/54:15 p.m.
YOW
-
DEN
1 stop21h 05m
Multiple Airlines
Deal found 27/1C$ 860

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 28 January 2026.

Round-trip from

C$ 470

One-way from

C$ 213

Popular in

February

Cheapest in

May

Average price

C$ 942
26/2-5/3
  • 26/2-5/3
  • 3 total stops
  • 51h 25m total
  • Colorado to Ottawa
Search Deals
22/4
  • 22/4
  • 2 total stops
  • 25h 25m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 266 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 28 January 2026.
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 26/2

6:00 a.m.-5:25 p.m.

2 stops33h 25m

Ottawa

Thu 5/3

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

1 stop18h 00m

C$ 470

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 5/3

7:00 a.m.-7:50 p.m.

2 stops10h 50m

Ottawa

Fri 6/3

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

1 stop18h 00m

C$ 656

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 10/2

6:30 a.m.-9:30 p.m.

1 stop13h 00m

Ottawa

Fri 13/2

3:55 p.m.-11:17 p.m.

2 stops33h 22m

C$ 714

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 16/3

7:00 a.m.-12:02 a.m.

1 stop15h 02m

Ottawa

Fri 20/3

5:40 a.m.-3:56 a.m.

2 stops24h 16m

C$ 730

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 9/6

12:15 p.m.-12:30 p.m.

2 stops22h 15m

Ottawa

Fri 12/6

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 864

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 22/6

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Ottawa

Sun 28/6

6:15 a.m.-11:25 a.m.

2 stops31h 10m

C$ 934

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 21/6

12:15 p.m.-4:18 p.m.

2 stops26h 03m

Ottawa

Sun 28/6

6:15 a.m.-6:50 p.m.

2 stops14h 35m

C$ 936

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 22/6

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Ottawa

Mon 29/6

1:05 p.m.-11:25 a.m.

2 stops24h 20m

C$ 945

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 22/6

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Ottawa

Tue 30/6

1:05 p.m.-11:25 a.m.

2 stops24h 20m

C$ 947

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 22/4

9:00 p.m.-12:25 a.m.

2 stops25h 25m

C$ 213

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 22 results
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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$ 149). Flying from Colorado to Ottawa in October is currently the most expensive (average of C$ 364). 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.

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.

  • 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$ 149). Flying from Colorado to Ottawa in October is currently the most expensive (average of C$ 364). 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 214AverageC$ 503FlexibilityNo 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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