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Cheap flights from Colorado to Ottawa from C$ 237

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
31 Aug — 7 Sep1
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 1 August 2026.

Fri 2/1012:15 p.m.
DEN
-
YOW
1 stop15h 20m
Multiple Airlines
Mon 5/107:20 a.m.
YOW
-
DEN
2 stops18h 28m
Multiple Airlines
Deal found 1/8C$ 571
Tue 8/911:59 p.m.
DEN
-
YOW
2 stops15h 24m
Multiple Airlines
Mon 14/94:15 p.m.
YOW
-
DEN
1 stop17h 37m
Multiple Airlines
Deal found 31/7C$ 580
Sun 11/1012:15 p.m.
DEN
-
YOW
1 stop15h 20m
Multiple Airlines
Fri 16/101:20 p.m.
YOW
-
DEN
2 stops34h 09m
Multiple Airlines
Deal found 29/7C$ 622
Thu 29/106:05 a.m.
DEN
-
YOW
1 stop8h 39m
Multiple Airlines
Sun 1/1110:20 a.m.
YOW
-
DEN
2 stops29h 13m
Multiple Airlines
Deal found 29/7C$ 632
Thu 10/97:12 p.m.
DEN
-
YOW
1 stop17h 21m
Multiple Airlines
Sun 20/92:00 p.m.
YOW
-
DEN
2 stops23h 20m
Multiple Airlines
Deal found 30/7C$ 683
Mon 28/96:40 a.m.
DEN
-
YOW
1 stop15h 08m
Multiple Airlines
Tue 29/97:20 a.m.
YOW
-
DEN
2 stops15h 02m
Multiple Airlines
Deal found 31/7C$ 697
Thu 27/88:31 a.m.
DEN
-
YOW
2 stops13h 49m
Multiple Airlines
Thu 3/98:15 p.m.
YOW
-
DEN
1 stop17h 05m
Multiple Airlines
Deal found 30/7C$ 702
Thu 3/911:59 p.m.
DEN
-
YOW
2 stops15h 24m
Multiple Airlines
Mon 7/94:15 p.m.
YOW
-
DEN
1 stop17h 52m
Multiple Airlines
Deal found 28/7C$ 705
Tue 25/812:15 p.m.
DEN
-
YOW
1 stop25h 05m
WestJet
Wed 26/86:15 p.m.
YOW
-
DEN
2 stops19h 05m
WestJet
Deal found 27/7C$ 744
Tue 29/126:32 p.m.
COS
-
YOW
2 stops17h 40m
United Airlines
Thu 31/124:36 p.m.
YOW
-
COS
1 stop7h 04m
United Airlines
Deal found 29/7C$ 965
Fri 11/91:25 p.m.
COS
-
YOW
2 stops8h 55m
Delta
Fri 18/96:55 a.m.
YOW
-
COS
2 stops15h 01m
Delta
Deal found 28/7C$ 988
Fri 11/911:55 a.m.
COS
-
YOW
1 stop7h 40m
United Airlines
Fri 18/96:25 a.m.
YOW
-
COS
1 stop6h 22m
United Airlines
Deal found 28/7C$ 994

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 1 August 2026.

Round-trip from

C$ 580

One-way from

C$ 237

Popular in

March

Cheapest in

October

Average price

C$ 1,105
8/9-14/9
  • 8/9-14/9
  • 3 total stops
  • 33h 01m total
  • Colorado to Ottawa
Search Deals
20/8
  • 20/8
  • 2 total stops
  • 13h 49m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 314 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 1 August 2026.
Use the filters below to find and compare flights from Colorado to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 3/9

11:59 p.m.-5:23 p.m.

2 stops15h 24m

Ottawa

Mon 7/9

4:15 p.m.-8:07 a.m.

1 stop17h 52m

C$ 705

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 24/8

12:15 p.m.-12:20 a.m.

2 stops34h 05m

Ottawa

Wed 30/9

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

1 stop21h 05m

C$ 760

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 24/8

12:15 p.m.-12:20 a.m.

2 stops34h 05m

Ottawa

Mon 31/8

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

1 stop21h 05m

C$ 768

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 25/8

12:15 p.m.-3:20 p.m.

1 stop25h 05m

Ottawa

Wed 26/8

6:15 p.m.-11:20 a.m.

2 stops19h 05m

C$ 774

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 23/8

6:05 a.m.-12:20 a.m.

2 stops16h 15m

Ottawa

Fri 28/8

12:25 p.m.-11:34 p.m.

2 stops13h 09m

C$ 914

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 23/8

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Fri 28/8

8:15 p.m.-11:20 a.m.

1 stop17h 05m

C$ 937

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Tue 29/12

6:32 p.m.-2:12 p.m.

2 stops17h 40m

Ottawa

Thu 31/12

4:36 p.m.-9:40 p.m.

1 stop7h 04m

C$ 965

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 23/8

11:37 p.m.-5:23 p.m.

1 stop15h 46m

Ottawa

Fri 28/8

8:15 p.m.-11:20 a.m.

1 stop17h 05m

C$ 969

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Sun 23/8

11:55 a.m.-9:35 p.m.

1 stop7h 40m

Ottawa

Mon 21/9

5:20 p.m.-11:27 a.m.

2 stops20h 07m

C$ 980

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Fri 11/9

1:25 p.m.-12:20 a.m.

2 stops8h 55m

Ottawa

Fri 18/9

6:55 a.m.-7:56 p.m.

2 stops15h 01m

C$ 988

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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

Airfare is below average for this route at the moment.
Colorado to Ottawa flights typically cost between C$ 1,077 and C$ 1,144 in October.
The cheapest round-trip price found within the last 5 days was C$ 571 on Multiple Airlines (2 Oct-5 Oct).

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 9h 05m. Fly via WestJet, Delta, or United Airlines to get the fastest option. There are 2435 km between Colorado and Ottawa. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

Travelling to a place near Ottawa?

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

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Alternative routes for Colorado to Ottawa

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Fly with Cheapflights

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

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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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