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Cheap flights from Colorado to Ottawa from C$ 164

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 23/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
22 Apr — 29 Apr1
1 adult

Cheap 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 April 2025.

Round-trip from

C$ 366

One-way from

C$ 164

Popular in

January

Cheapest in

October
WestJet
  • WestJet
  • 4/6-18/7
  • 2 total stops
  • 28h 38m total
  • Colorado to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 23/7
  • 1 total stop
  • 11h 14m total
  • Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals

Find flight deals from Colorado to Ottawa

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 April 2025.

Wed 4/612:15 p.m.DEN - YOW
1 stop10h 26mWestJet
Fri 18/77:15 p.m.YOW - DEN
1 stop18h 12mWestJet
Deal found 17/4C$ 366
Tue 10/67:15 p.m.DEN - YOW
1 stop11h 18mAir Canada
Sun 27/76:00 a.m.YOW - DEN
1 stop6h 21mAir Canada
Deal found 17/4C$ 392
Fri 6/67:40 p.m.DEN - YOW
1 stop17h 16mMultiple Airlines
Mon 9/63:35 p.m.YOW - DEN
2 stops14h 26mMultiple Airlines
Deal found 17/4C$ 433
Tue 10/66:20 a.m.DEN - YOW
2 stops16h 02mDelta
Mon 28/712:20 p.m.YOW - DEN
2 stops12h 08mDelta
Deal found 17/4C$ 905
Sat 9/85:20 p.m.COS - YOW
2 stops12h 59mAir Canada
Fri 22/86:00 a.m.YOW - COS
2 stops9h 09mAir Canada
Deal found 16/4C$ 1,126
Sat 9/86:05 a.m.COS - YOW
1 stop5h 59mMultiple Airlines
Fri 22/86:00 a.m.YOW - COS
2 stops9h 09mMultiple Airlines
Deal found 16/4C$ 1,172
Wed 14/55:15 p.m.COS - YOW
2 stops22h 18mUnited Airlines
Wed 21/510:25 a.m.YOW - COS
2 stops11h 33mUnited Airlines
Deal found 15/4C$ 1,205

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 April 2025.
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

Wed 4/6

12:15 p.m.-12:41 a.m.

1 stop10h 26m

Ottawa

Fri 18/7

7:15 p.m.-11:27 a.m.

1 stop18h 12m

C$ 366

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 10/6

7:15 p.m.-8:33 a.m.

1 stop11h 18m

Ottawa

Sun 27/7

6:00 a.m.-10:21 a.m.

1 stop6h 21m

C$ 392

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 6/6

7:40 p.m.-2:56 p.m.

1 stop17h 16m

Ottawa

Mon 9/6

3:35 p.m.-4:01 a.m.

2 stops14h 26m

C$ 433

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 10/6

6:20 a.m.-12:22 a.m.

2 stops16h 02m

Ottawa

Mon 28/7

12:20 p.m.-10:28 p.m.

2 stops12h 08m

C$ 905

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Sat 9/8

5:20 p.m.-8:19 a.m.

2 stops12h 59m

Ottawa

Fri 22/8

6:00 a.m.-1:09 p.m.

2 stops9h 09m

C$ 1,126

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Sat 9/8

6:05 a.m.-2:04 p.m.

1 stop5h 59m

Ottawa

Fri 22/8

6:00 a.m.-1:09 p.m.

2 stops9h 09m

C$ 1,172

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Wed 14/5

5:15 p.m.-5:33 p.m.

2 stops22h 18m

Ottawa

Wed 21/5

10:25 a.m.-7:58 p.m.

2 stops11h 33m

C$ 1,205

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 23/7

7:05 p.m.-8:19 a.m.

1 stop11h 14m

C$ 164

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 25/6

12:15 p.m.-12:22 a.m.

2 stops34h 07m

C$ 180

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 1/6

7:40 p.m.-11:23 p.m.

1 stop25h 43m

C$ 191

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

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, October is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 224). Flying from Colorado to Ottawa in December is currently the most expensive (average of C$ 326). 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.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 17 April 2025.
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,142 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, October is the cheapest month in which you can book a flight from Colorado to Ottawa (average of C$ 224). Flying from Colorado to Ottawa in December is currently the most expensive (average of C$ 326). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

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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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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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 216AverageC$ 946FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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