HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$250+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 8/1812:15 pm
DEN
-
YOW
1 stop15h 20m
Multiple Airlines
Mon 8/246:00 am
YOW
-
DEN
2 stops23h 58m
Multiple Airlines
Deal found 6/9$440
This lastminute.com deal was found by Cheapflights users on 6/10. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:15 pm
DEN
-
YOW
1 stop15h 20m
WestJet
Mon 7/276:15 pm
YOW
-
DEN
2 stops19h 05m
WestJet
Deal found 6/10$453
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Sat 8/812:15 pm
DEN
-
YOW
1 stop10h 25m
WestJet
Fri 8/148:15 pm
YOW
-
DEN
1 stop17h 05m
WestJet
Deal found 6/10$459
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Fri 7/2412:15 pm
DEN
-
YOW
1 stop15h 20m
WestJet
Tue 7/287:20 am
YOW
-
DEN
1 stop30h 00m
WestJet
Deal found 6/12$460
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:15 pm
DEN
-
YOW
2 stops22h 15m
WestJet
Mon 8/241:20 pm
YOW
-
DEN
1 stop24h 00m
WestJet
Deal found 6/11$470
This FlightHub deal was found by Cheapflights users on 6/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:15 pm
DEN
-
YOW
1 stop15h 20m
WestJet
Sun 8/306:15 pm
YOW
-
DEN
2 stops19h 05m
WestJet
Deal found 6/13$480
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Fri 8/2112:15 pm
DEN
-
YOW
1 stop15h 20m
Multiple Airlines
Mon 8/246:00 am
YOW
-
DEN
2 stops20h 38m
Multiple Airlines
Deal found 6/9$486
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 7/112:11 pm
COS
-
YOW
1 stop7h 24m
United Airlines
Tue 7/76:25 am
YOW
-
COS
1 stop6h 41m
United Airlines
Deal found 6/9$593
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 12/28:00 am
COS
-
YOW
2 stops11h 56m
United Airlines
Fri 12/46:20 am
YOW
-
COS
1 stop6h 58m
United Airlines
Deal found 6/11$656
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/2812:11 pm
COS
-
YOW
1 stop7h 24m
United Airlines
Tue 8/46:25 am
YOW
-
COS
1 stop6h 44m
United Airlines
Deal found 6/12$679

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 June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$440
(Kiwi.com)

One-way from

$250
(Justfly.com)

Popular in

March

Cheapest in

October

Average price

$797
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. 22% potential increase in price ($193 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($38 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 2,558,603 searches. Data last updated June 13, 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 7/24

12:15 pm-12:30 pm

2 stops22h 15m

Ottawa

Tue 7/28

7:20 am-11:20 am

1 stop30h 00m

$470

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sat 8/22

12:15 pm-12:40 am

1 stop10h 25m

Ottawa

Tue 8/25

8:15 pm-11:20 am

1 stop17h 05m

$533

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 7/9

12:15 pm-12:30 pm

2 stops22h 15m

Ottawa

Thu 7/16

4:00 pm-11:20 am

3 stops21h 20m

$584
Quickest round-trip

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Wed 7/1

12:11 pm-9:35 pm

1 stop7h 24m

Ottawa

Tue 7/7

6:25 am-11:06 am

1 stop6h 41m

$593

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 10/5

12:15 pm-5:35 am

1 stop15h 20m

Ottawa

Fri 10/9

6:15 pm-11:20 am

2 stops43h 05m

$596

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Tue 8/25

10:27 am-10:35 pm

2 stops10h 08m

Ottawa

Wed 8/26

6:25 am-10:33 am

1 stop6h 08m

$603

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 8/2

12:50 am-5:35 pm

2 stops14h 45m

Ottawa

Tue 8/11

12:25 pm-11:34 pm

2 stops13h 09m

$621

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 7/10

6:05 am-12:20 am

2 stops16h 15m

Ottawa

Tue 7/14

12:25 pm-11:27 pm

2 stops13h 02m

$621

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Thu 7/16

12:40 am-5:35 pm

2 stops14h 55m

Ottawa

Tue 7/21

12:25 pm-11:27 pm

2 stops13h 02m

$621

Colorado SpringsOttawa

COS - YOW

COSYOW

Colorado Springs

Wed 12/2

8:00 am-9:56 pm

2 stops11h 56m

Ottawa

Fri 12/4

6:20 am-11:18 am

1 stop6h 58m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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) 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 24m. Your travel time can differ by up to 14h 51m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
LaGuardia to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pearson Intl flights
Reagan-National to Pearson Intl flights
Los Angeles to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
San Francisco to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Boston to Pearson Intl flights
Dulles Intl to Toronto Island flights
Seattle to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
Orlando to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
George Bush Intcntl to Pearson Intl flights
Atlanta to Pearson Intl flights
O'Hare Intl to Toronto Island flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Midway to Toronto Island flights
Denver to Pearson Intl flights
Minneapolis to Pearson Intl flights
Midway to Pearson Intl flights
Charlotte to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Miami to Pearson Intl flights
San Diego to Pearson Intl flights
Ontario to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Raleigh to Pearson Intl flights
Los Angeles to Toronto Island flights

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 June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$318Average$581FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$376Average$638FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.