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$169+ Cheap flights from Colorado to Ottawa (YOW)

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 July 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:31 am
DEN
-
YOW
2 stops13h 49m
Multiple Airlines
Mon 8/248:15 pm
YOW
-
DEN
1 stop17h 05m
Multiple Airlines
Deal found 7/26$413
This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:15 pm
DEN
-
YOW
1 stop15h 20m
WestJet
Sun 9/201:20 pm
YOW
-
DEN
1 stop24h 00m
WestJet
Deal found 7/24$443
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:31 am
DEN
-
YOW
2 stops13h 49m
Multiple Airlines
Sun 9/204:15 pm
YOW
-
DEN
1 stop21h 05m
Multiple Airlines
Deal found 7/24$461
This Trip.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:15 pm
DEN
-
YOW
1 stop15h 20m
WestJet
Sun 8/301:20 pm
YOW
-
DEN
1 stop24h 00m
WestJet
Deal found 7/26$463
This Mytrip deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:15 pm
DEN
-
YOW
1 stop27h 00m
WestJet
Sat 8/294:15 pm
YOW
-
DEN
1 stop21h 05m
WestJet
Deal found 7/25$483
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:15 pm
DEN
-
YOW
1 stop10h 25m
Multiple Airlines
Sat 8/296:25 pm
YOW
-
DEN
2 stops46h 36m
Multiple Airlines
Deal found 7/25$490
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:59 pm
DEN
-
YOW
2 stops15h 24m
Multiple Airlines
Mon 9/74:15 pm
YOW
-
DEN
1 stop17h 52m
Multiple Airlines
Deal found 7/28$503
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:55 am
COS
-
YOW
1 stop7h 40m
United Airlines
Sat 9/55:20 pm
YOW
-
COS
1 stop6h 34m
United Airlines
Deal found 7/26$678
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:07 pm
ASE
-
YOW
2 stops12h 49m
United Airlines
Tue 9/225:20 pm
YOW
-
ASE
1 stop6h 35m
United Airlines
Deal found 7/27$688
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:27 am
COS
-
YOW
2 stops10h 08m
United Airlines
Tue 9/156:00 am
YOW
-
COS
2 stops12h 26m
United Airlines
Deal found 7/26$694
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:32 pm
COS
-
YOW
2 stops17h 40m
United Airlines
Thu 12/314:36 pm
YOW
-
COS
1 stop7h 04m
United Airlines
Deal found 7/28$699
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:25 pm
COS
-
YOW
2 stops8h 55m
Delta
Fri 9/186:55 am
YOW
-
COS
2 stops15h 01m
Delta
Deal found 7/28$705

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 July 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$413
(Kiwi.com)

One-way from

$169
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$798
Provider with most accurate pricing for Denver Intl-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Ottawa flights.
Search Deals
From Colorado to Ottawa
Search Deals
One-way flight from Colorado to Ottawa
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 2,558,603 searches. Data last updated July 29, 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

Sat 8/22

12:15 pm-5:15 pm

1 stop27h 00m

Ottawa

Sat 8/29

4:15 pm-11:20 am

1 stop21h 05m

$483

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 9/3

11:59 pm-5:23 pm

2 stops15h 24m

Ottawa

Mon 9/7

4:15 pm-8:07 am

1 stop17h 52m

$503

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Tue 8/25

12:15 pm-3:20 pm

1 stop25h 05m

Ottawa

Wed 8/26

6:15 pm-11:20 am

2 stops19h 05m

$531

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 8/22

12:15 pm-8:05 am

2 stops17h 50m

Ottawa

Sat 8/29

6:55 am-11:20 am

3 stops30h 25m

$536

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 8/23

6:05 am-12:20 am

2 stops16h 15m

Ottawa

Fri 8/28

12:25 pm-11:34 pm

2 stops13h 09m

$629
Quickest round-trip

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Tue 9/1

11:55 am-9:35 pm

1 stop7h 40m

Ottawa

Sat 9/5

5:20 pm-9:54 pm

1 stop6h 34m

$678

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Tue 12/29

6:32 pm-2:12 pm

2 stops17h 40m

Ottawa

Thu 12/31

4:36 pm-9:40 pm

1 stop7h 04m

$688

AspenOttawa

ASE - YOW

ASEYOW

Aspen Pitkin County

Fri 9/18

7:07 pm-9:56 am

2 stops12h 49m

Ottawa

Tue 9/22

5:20 pm-9:55 pm

1 stop6h 35m

$688

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Thu 9/10

10:27 am-10:35 pm

2 stops10h 08m

Ottawa

Tue 9/15

6:00 am-4:26 pm

2 stops12h 26m

$694

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Mon 10/5

7:40 am-11:54 pm

2 stops14h 14m

Ottawa

Wed 10/7

3:10 pm-11:59 pm

2 stops10h 49m

$694

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 $768 and $816 in August.
The cheapest round-trip price found within the last 5 days was $413 on Multiple Airlines (Aug 20-Aug 24).

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) is the airport you will fly into if you book a flight from Colorado to Ottawa. It is only a 6.6 mi journey from Ottawa (YOW) to Ottawa’s city center.

  • How long is the flight from Colorado to Ottawa?

    WestJet and United Airlines can get you from Colorado to Ottawa in just under 7h 40m. Your travel time can differ by up to 7h 40m. Colorado and Ottawa are separated by a distance of 1545 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Colorado to Ottawa?

    While some choose either Colorado Springs - Ottawa or Aspen Pitkin County - Ottawa, Denver Intl - Ottawa is the most popular route 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.

See more FAQs

Traveling to a place near Ottawa?

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

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Top 2 airlines flying from Colorado to Ottawa

Discover the top 2 airlines 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 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$363Average$754FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$376Average$816FlexibilityNo cancel feeOn-time69%

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