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Cheap flights from Colorado to Ottawa from C$ 234

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
16 Apr — 23 Apr1
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 17 March 2026.

Wed 29/46:00 a.m.
COS
-
YOW
1 stop5h 59m
United Airlines
Sat 2/56:25 a.m.
YOW
-
COS
1 stop6h 22m
United Airlines
Deal found 13/3C$ 501
Wed 6/510:29 p.m.
DEN
-
YOW
2 stops29h 06m
Multiple Airlines
Mon 11/54:20 p.m.
YOW
-
DEN
1 stop18h 04m
Multiple Airlines
Deal found 13/3C$ 557
Thu 9/43:01 p.m.
DEN
-
YOW
1 stop19h 34m
Multiple Airlines
Mon 13/46:00 a.m.
YOW
-
DEN
2 stops23h 59m
Multiple Airlines
Deal found 15/3C$ 563
Tue 14/411:59 p.m.
DEN
-
YOW
1 stop15h 14m
Multiple Airlines
Thu 23/44:15 p.m.
YOW
-
DEN
2 stops47h 25m
Multiple Airlines
Deal found 15/3C$ 587
Mon 13/49:00 p.m.
DEN
-
YOW
2 stops18h 25m
Multiple Airlines
Tue 21/410:35 a.m.
YOW
-
DEN
1 stop13h 09m
Multiple Airlines
Deal found 14/3C$ 615
Sat 25/41:09 p.m.
DEN
-
YOW
2 stops21h 26m
Multiple Airlines
Wed 29/49:30 a.m.
YOW
-
DEN
1 stop15h 29m
Multiple Airlines
Deal found 12/3C$ 619
Tue 14/411:59 p.m.
DEN
-
YOW
1 stop15h 14m
Multiple Airlines
Sat 25/47:00 a.m.
YOW
-
DEN
2 stops17h 29m
Multiple Airlines
Deal found 15/3C$ 622
Mon 27/410:29 p.m.
DEN
-
YOW
2 stops29h 06m
Multiple Airlines
Mon 4/54:20 p.m.
YOW
-
DEN
1 stop18h 04m
Multiple Airlines
Deal found 13/3C$ 644
Mon 13/49:00 p.m.
DEN
-
YOW
2 stops18h 25m
Multiple Airlines
Thu 23/410:35 a.m.
YOW
-
DEN
1 stop13h 09m
Multiple Airlines
Deal found 15/3C$ 646
Thu 9/46:00 a.m.
DEN
-
YOW
2 stops28h 35m
Multiple Airlines
Tue 14/410:35 a.m.
YOW
-
DEN
1 stop13h 09m
Multiple Airlines
Deal found 13/3C$ 652
Wed 29/411:42 a.m.
COS
-
YOW
1 stop7h 53m
United Airlines
Wed 6/56:25 a.m.
YOW
-
COS
1 stop6h 22m
United Airlines
Deal found 14/3C$ 693
Wed 29/412:22 p.m.
COS
-
YOW
2 stops26h 29m
American Airlines
Wed 6/57:00 a.m.
YOW
-
COS
3 stops18h 32m
American Airlines
Deal found 14/3C$ 1,097

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 17 March 2026.

Round-trip from

C$ 501

One-way from

C$ 234

Popular in

January

Cheapest in

March

Average price

C$ 215
United Airlines
  • United Airlines
  • 29/4-2/5
  • 2 total stops
  • 12h 21m total
  • Colorado to Ottawa
Search Deals
1/4
  • 1/4
  • 2 total stops
  • 28h 55m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 47 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 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 17 March 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
Quickest round-trip

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Wed 29/4

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

1 stop5h 59m

Ottawa

Sat 2/5

6:25 a.m.-10:47 a.m.

1 stop6h 22m

C$ 501

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Wed 29/4

1:33 p.m.-9:11 a.m.

2 stops17h 38m

Ottawa

Wed 6/5

2:40 p.m.-11:59 p.m.

2 stops11h 19m

C$ 522

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 25/4

1:09 p.m.-12:35 p.m.

2 stops21h 26m

Ottawa

Wed 29/4

9:30 a.m.-10:59 p.m.

1 stop15h 29m

C$ 619

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 29/4

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

1 stop15h 20m

Ottawa

Tue 12/5

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

1 stop21h 05m

C$ 771

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 3/8

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

1 stop10h 25m

Ottawa

Sun 9/8

1:20 p.m.-11:20 a.m.

1 stop24h 00m

C$ 874

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 9/4

11:31 p.m.-4:59 p.m.

1 stop15h 28m

Ottawa

Mon 13/4

4:45 p.m.-2:39 p.m.

1 stop23h 54m

C$ 1,000

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 6/7

9:25 a.m.-11:48 p.m.

1 stop12h 23m

Ottawa

Fri 10/7

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

1 stop21h 05m

C$ 1,039

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 15/4

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

1 stop9h 40m

Ottawa

Sun 19/4

6:00 a.m.-10:18 a.m.

1 stop6h 18m

C$ 1,041

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 19/6

3:50 p.m.-11:54 p.m.

1 stop6h 04m

Ottawa

Sun 21/6

7:30 p.m.-12:30 a.m.

1 stop7h 00m

C$ 1,049

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 19/6

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

1 stop7h 12m

Ottawa

Tue 23/6

5:20 p.m.-11:37 p.m.

1 stop8h 17m

C$ 1,049

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 17 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

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 February is currently the most expensive (average of C$ 434). 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.

  • How long is the flight from Colorado to Ottawa?

    There are many flights that can get you from Colorado to Ottawa in 5h 59m. Fly via United Airlines or WestJet to get the fastest option. There are 2486 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.

  • 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 February is currently the most expensive (average of C$ 434). 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
Perth
Wakefield
Pembroke
Smiths Falls

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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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