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Cheap flights from Colorado to Ottawa from C$ 243

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
31 May — 7 Jun1
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 May 2026.

Sat 6/612:15 p.m.
DEN
-
YOW
2 stops22h 15m
WestJet
Wed 10/64:15 p.m.
YOW
-
DEN
1 stop21h 05m
WestJet
Deal found 26/4C$ 554
Wed 3/612:15 p.m.
DEN
-
YOW
1 stop15h 20m
WestJet
Wed 10/64:15 p.m.
YOW
-
DEN
1 stop21h 05m
WestJet
Deal found 26/4C$ 562
Wed 3/612:15 p.m.
DEN
-
YOW
1 stop15h 20m
WestJet
Sun 7/67:20 a.m.
YOW
-
DEN
1 stop30h 00m
WestJet
Deal found 26/4C$ 565
Tue 26/512:15 p.m.
DEN
-
YOW
1 stop15h 20m
WestJet
Tue 2/67:20 a.m.
YOW
-
DEN
1 stop30h 00m
WestJet
Deal found 26/4C$ 567
Tue 2/612:15 p.m.
DEN
-
YOW
2 stops22h 15m
WestJet
Sun 7/67:20 a.m.
YOW
-
DEN
1 stop30h 00m
WestJet
Deal found 26/4C$ 585
Tue 2/612:15 p.m.
DEN
-
YOW
2 stops22h 15m
WestJet
Sat 6/66:15 p.m.
YOW
-
DEN
2 stops19h 05m
WestJet
Deal found 26/4C$ 588
Tue 2/612:15 p.m.
DEN
-
YOW
1 stop15h 20m
WestJet
Mon 8/66:15 p.m.
YOW
-
DEN
2 stops19h 05m
WestJet
Deal found 26/4C$ 596
Tue 2/612:15 p.m.
DEN
-
YOW
1 stop22h 43m
Multiple Airlines
Wed 10/66:15 p.m.
YOW
-
DEN
2 stops19h 05m
Multiple Airlines
Deal found 26/4C$ 600
Fri 12/66:00 a.m.
COS
-
YOW
2 stops16h 20m
Delta
Fri 19/66:55 a.m.
YOW
-
COS
2 stops16h 12m
Delta
Deal found 28/4C$ 715
Tue 9/612:16 p.m.
COS
-
YOW
1 stop7h 19m
United Airlines
Wed 10/65:20 p.m.
YOW
-
COS
1 stop6h 30m
United Airlines
Deal found 28/4C$ 925
Wed 13/56:57 p.m.
COS
-
YOW
2 stops12h 14m
United Airlines
Sun 17/55:25 p.m.
YOW
-
COS
1 stop6h 36m
United Airlines
Deal found 27/4C$ 984
Sun 31/56:00 a.m.
COS
-
YOW
2 stops14h 05m
United Airlines
Sun 7/66:25 a.m.
YOW
-
COS
1 stop6h 45m
United Airlines
Deal found 1/5C$ 1,005

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 May 2026.

Round-trip from

C$ 554

One-way from

C$ 243

Popular in

March

Cheapest in

October

Average price

C$ 1,143
WestJet
  • WestJet
  • 6/6-10/6
  • 3 total stops
  • 43h 20m total
  • Colorado to Ottawa
Search Deals
WestJet
  • WestJet
  • 20/5
  • 1 total stop
  • 15h 20m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 380 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 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

Sun 31/5

6:05 a.m.-5:35 p.m.

2 stops9h 30m

Ottawa

Sat 6/6

12:25 p.m.-8:15 p.m.

2 stops9h 50m

C$ 715

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 31/5

6:05 a.m.-5:35 p.m.

2 stops9h 30m

Ottawa

Sun 7/6

12:25 p.m.-11:31 p.m.

2 stops13h 06m

C$ 715

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 12/5

6:05 a.m.-5:35 p.m.

2 stops9h 30m

Ottawa

Fri 15/5

6:55 a.m.-8:15 p.m.

2 stops15h 20m

C$ 734

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 5/6

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

2 stops9h 55m

Ottawa

Sun 7/6

12:25 p.m.-11:31 p.m.

2 stops13h 06m

C$ 742

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 28/5

12:56 a.m.-5:35 p.m.

2 stops14h 39m

Ottawa

Tue 2/6

6:55 a.m.-5:14 p.m.

2 stops12h 19m

C$ 760

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 25/6

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

2 stops22h 15m

Ottawa

Mon 29/6

6:55 a.m.-11:20 a.m.

3 stops30h 25m

C$ 775

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 8/6

5:45 a.m.-12:20 a.m.

2 stops16h 35m

Ottawa

Fri 12/6

12:25 p.m.-11:31 p.m.

2 stops13h 06m

C$ 776

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 1/6

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

2 stops16h 15m

Ottawa

Sun 7/6

12:25 p.m.-11:31 p.m.

2 stops13h 06m

C$ 776

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 1/6

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

2 stops16h 15m

Ottawa

Sat 6/6

12:25 p.m.-8:15 p.m.

2 stops9h 50m

C$ 776

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 6/6

6:05 a.m.-5:35 p.m.

2 stops9h 30m

Ottawa

Tue 9/6

6:55 a.m.-8:44 p.m.

2 stops15h 49m

C$ 787

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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?

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 7h 19m. Fly via Delta or United Airlines 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

See prices for flight routes from nearby airports that may be better suited for you.
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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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