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Cheap flights from Colorado to Ottawa from C$ 317

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
15 Jul — 22 Jul1
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 15 June 2026.

Fri 24/712:15 p.m.
DEN
-
YOW
1 stop15h 20m
WestJet
Tue 28/77:20 a.m.
YOW
-
DEN
1 stop30h 00m
WestJet
Deal found 12/6C$ 643
Sat 18/712:15 p.m.
DEN
-
YOW
1 stop15h 20m
WestJet
Mon 27/74:15 p.m.
YOW
-
DEN
1 stop21h 05m
WestJet
Deal found 11/6C$ 651
Tue 18/812:15 p.m.
DEN
-
YOW
1 stop10h 25m
WestJet
Mon 24/84:15 p.m.
YOW
-
DEN
1 stop21h 05m
WestJet
Deal found 11/6C$ 668
Tue 25/812:15 p.m.
DEN
-
YOW
1 stop15h 20m
WestJet
Sun 30/86:15 p.m.
YOW
-
DEN
2 stops19h 05m
WestJet
Deal found 13/6C$ 671
Sat 18/712:15 p.m.
DEN
-
YOW
1 stop10h 25m
Multiple Airlines
Mon 27/78:40 a.m.
YOW
-
DEN
2 stops25h 09m
Multiple Airlines
Deal found 13/6C$ 683
Thu 9/711:52 p.m.
DEN
-
YOW
1 stop12h 43m
Multiple Airlines
Thu 16/78:15 p.m.
YOW
-
DEN
1 stop17h 05m
Multiple Airlines
Deal found 11/6C$ 711
Fri 17/711:52 p.m.
DEN
-
YOW
1 stop12h 43m
Multiple Airlines
Mon 20/78:15 p.m.
YOW
-
DEN
1 stop17h 05m
Multiple Airlines
Deal found 11/6C$ 720
Thu 9/712:15 p.m.
DEN
-
YOW
2 stops21h 20m
WestJet
Thu 16/78:15 p.m.
YOW
-
DEN
1 stop17h 05m
WestJet
Deal found 11/6C$ 723
Tue 25/87:55 a.m.
COS
-
YOW
1 stop7h 21m
United Airlines
Wed 26/86:25 a.m.
YOW
-
COS
1 stop6h 08m
United Airlines
Deal found 14/6C$ 829
Wed 2/128:00 a.m.
COS
-
YOW
2 stops11h 56m
United Airlines
Fri 4/126:20 a.m.
YOW
-
COS
1 stop6h 58m
United Airlines
Deal found 11/6C$ 917
Tue 28/712:11 p.m.
COS
-
YOW
1 stop7h 24m
United Airlines
Tue 4/86:25 a.m.
YOW
-
COS
1 stop6h 44m
United Airlines
Deal found 12/6C$ 949
Tue 28/73:41 p.m.
COS
-
YOW
3 stops27h 39m
American Airlines
Tue 4/88:40 a.m.
YOW
-
COS
2 stops30h 07m
American Airlines
Deal found 12/6C$ 1,180

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 15 June 2026.

Round-trip from

C$ 643

One-way from

C$ 317

Popular in

March

Cheapest in

October

Average price

C$ 1,114
WestJet
  • WestJet
  • 24/7-28/7
  • 2 total stops
  • 45h 20m total
  • Colorado to Ottawa
Search Deals
WestJet
  • WestJet
  • 12/7
  • 1 total stop
  • 27h 00m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 375 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 15 June 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

Fri 24/7

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

2 stops22h 15m

Ottawa

Tue 28/7

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

2 stops19h 05m

C$ 660

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 17/7

11:52 p.m.-2:35 p.m.

1 stop12h 43m

Ottawa

Tue 21/7

6:00 a.m.-3:48 a.m.

2 stops23h 48m

C$ 738

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 22/8

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

1 stop10h 25m

Ottawa

Tue 25/8

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

1 stop17h 05m

C$ 745

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 20/8

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

2 stops16h 25m

Ottawa

Mon 24/8

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

1 stop21h 05m

C$ 766

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Tue 25/8

10:27 a.m.-10:35 p.m.

2 stops10h 08m

Ottawa

Wed 26/8

6:25 a.m.-10:33 a.m.

1 stop6h 08m

C$ 843

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 16/7

12:40 a.m.-5:35 p.m.

2 stops14h 55m

Ottawa

Tue 21/7

12:25 p.m.-11:27 p.m.

2 stops13h 02m

C$ 868

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 10/7

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

2 stops16h 15m

Ottawa

Tue 14/7

12:25 p.m.-11:27 p.m.

2 stops13h 02m

C$ 868

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 17/7

12:40 a.m.-5:35 p.m.

2 stops14h 55m

Ottawa

Fri 24/7

12:25 p.m.-11:27 p.m.

2 stops13h 02m

C$ 868

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 2/8

12:50 a.m.-5:35 p.m.

2 stops14h 45m

Ottawa

Tue 11/8

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

2 stops13h 09m

C$ 868

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Wed 2/12

8:00 a.m.-9:56 p.m.

2 stops11h 56m

Ottawa

Fri 4/12

6:20 a.m.-11:18 a.m.

1 stop6h 58m

C$ 917

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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?

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 10h 08m. Fly via WestJet, United Airlines, or Delta 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.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
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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