$219+ Cheap flights from Ottawa (YOW) to Colorado
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DEN
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Ottawa to Colorado with Cheapflights
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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
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Last-minute
One-way
Cheapest flights from Ottawa to ColoradoExplore the most affordable flight options available from Ottawa to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Ottawa to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/237:05 am -
1 stop15h 01m
Thu 11/2611:59 pm -
1 stop14h 46m
Deal found 10/24![Multiple Airlines logo]()
$444
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/217:00 am -
3 stops27h 09m
Wed 11/256:42 am -
2 stops15h 55m
Deal found 10/23![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/103:15 pm -
2 stops41h 14m
Thu 12/3111:57 pm -
1 stop15h 42m
Deal found 10/21![Multiple Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/235:30 am -
2 stops13h 43m
Fri 11/276:10 am -
2 stops15h 30m
Deal found 10/21![Delta logo]()
$591
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/136:15 am -
2 stops13h 20m
Sun 11/155:30 am -
2 stops13h 46m
Deal found 10/23![United Airlines logo]()
$837
This United Airlines deal was found by Cheapflights users on 10/19. 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 10/206:25 am -
1 stop6h 30m
Wed 10/218:38 am -
2 stops10h 57m
Deal found 10/19![United Airlines logo]()
$1,058
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
3 stops18h 01m
Sun 11/151:34 pm -
2 stops26h 18m
Deal found 10/23![American Airlines logo]()
$1,404
Best flights from Ottawa to ColoradoDiscover carefully curated flight deals from Ottawa to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Ottawa to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/217:00 am -
2 stops13h 25m
Wed 11/2511:59 pm -
1 stop14h 46m
Deal found 10/23![Multiple Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 11/235:30 am -
2 stops11h 44m
Fri 11/276:10 am -
2 stops15h 30m
Deal found 10/23![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 1/249:45 am -
1 stop8h 37m
Fri 1/299:25 am -
1 stop9h 58m
Deal found 10/21![United Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sun 2/71:45 pm -
2 stops20h 43m
Wed 2/106:19 am -
1 stop8h 25m
Deal found 10/22![Multiple Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 10/23. 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.
Wed 11/255:30 am -
2 stops15h 01m
Sun 11/296:10 am -
2 stops15h 30m
Deal found 10/23![Delta logo]()
$644
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 1/236:15 am -
1 stop8h 30m
Sat 1/3010:20 am -
1 stop7h 07m
Deal found 10/21![United Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/248:00 am -
1 stop16h 42m
Sun 11/2911:14 am -
1 stop11h 08m
Deal found 10/23![Multiple Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sat 3/204:36 pm -
1 stop9h 15m
Sat 3/276:00 am -
1 stop6h 18m
Deal found 10/22![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/21. 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 1/273:10 pm -
1 stop7h 41m
Fri 1/296:00 am -
1 stop6h 09m
Deal found 10/21![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 2/76:15 am -
1 stop13h 23m
Wed 2/101:25 pm -
1 stop5h 58m
Deal found 10/22![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 1/233:10 pm -
1 stop8h 47m
Sun 1/246:00 am -
1 stop6h 09m
Deal found 10/21![United Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/20. 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 1/279:45 am -
2 stops13h 42m
Fri 1/297:05 am -
2 stops12h 18m
Deal found 10/20![United Airlines logo]()
$686
Last-minute flights from Ottawa to ColoradoDiscover last-minute flight deals from Ottawa to Colorado. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Ottawa to Colorado. Data last updated October 24, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/23. 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.
Wed 11/47:05 am -
2 stops27h 25m
Mon 11/96:10 am -
2 stops33h 14m
Deal found 10/23![Multiple Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/136:15 am -
2 stops13h 20m
Sun 11/155:30 am -
2 stops13h 46m
Deal found 10/23![United Airlines logo]()
$837
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
3 stops18h 01m
Sun 11/151:34 pm -
2 stops26h 18m
Deal found 10/23![American Airlines logo]()
$1,404
This Mytrip deal was found by Cheapflights users on 10/23. 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 11/217:00 am -
3 stops27h 09m
Wed 11/256:42 am -
2 stops15h 55m
Deal found 10/23![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/237:05 am -
1 stop15h 01m
Thu 11/2611:59 pm -
1 stop14h 46m
Deal found 10/24![Multiple Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/235:30 am -
2 stops13h 43m
Fri 11/276:10 am -
2 stops15h 30m
Deal found 10/21![Delta logo]()
$591
One-way flights from Ottawa to ColoradoSearch for one-way flight options from Ottawa to Colorado. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Ottawa to Colorado. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Mytrip deal was found by Cheapflights users on 10/23. 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.
Sun 12/68:40 am -
2 stops17h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/34:40 pm -
2 stops42h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 12/43:15 pm -
3 stops32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 1/43:10 pm -
2 stops43h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Sun 12/137:00 am -
2 stops18h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$238
Find flight deals from Ottawa to Colorado
Keep the following information in mind while searching for Ottawa to Colorado flight deals. Data was last updated October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $527 (Mytrip) |
One-way from | $219 (Mytrip) |
Popular in | January |
Cheapest in | April |
Average price | $763 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ottawa to Colorado 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 7,457,451 searches. Data last updated October 24, 2026.
Use the filters below to find and compare flights from Ottawa to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Sun 12/6
8:40 am-11:47 pm
2 stops17h 07m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$219
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Thu 12/3
4:40 pm-8:50 am
2 stops42h 10m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$220
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Sun 12/13
7:00 am-11:47 pm
2 stops18h 47m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$238
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Tue 2/2
5:30 am-5:30 pm
2 stops14h 00m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$305
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Sun 12/6
5:30 am-5:14 pm
2 stops13h 44m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$313
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Sat 12/5
5:30 am-5:14 pm
2 stops13h 44m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$316
Quickest round-trip
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Mon 3/8
6:10 am-5:36 pm
2 stops13h 26m
Denver Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$320
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Sat 11/21
7:00 am-6:25 pm
2 stops13h 25m
Denver Intl
Wed 11/25
11:59 pm-4:45 pm
1 stop14h 46m
$571
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Sun 2/7
1:45 pm-8:28 am
2 stops20h 43m
Denver Intl
Wed 2/10
6:19 am-4:44 pm
1 stop8h 25m
$586
OttawaDenver
YOW Ottawa - DEN Denver Intl
YOWDEN
Ottawa
Mon 11/23
5:30 am-3:14 pm
2 stops11h 44m
Denver Intl
Fri 11/27
6:10 am-11:40 pm
2 stops15h 30m
$608
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from Ottawa to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Ottawa with our price prediction graph.
YOW-DEN
YOW-COS
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 Ottawa to Colorado
YOW-USCO
YOW-DEN
YOW-COS
What is the cheapest month to book a flight from Ottawa to Colorado?
Currently, April is the cheapest month in which you can book a flight from Ottawa to Colorado (average of $562). Flying from Ottawa to Colorado in January is currently the most expensive (average of $906). 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.
How much does it cost to fly round-trip from Ottawa to Colorado?
Airfare is below average for this route at the moment.
Ottawa to Colorado flights typically cost between $650 and $737 in November.The cheapest round-trip price found within the last 5 days was $444 on Multiple Airlines (Nov 23-Nov 26).
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated October 24, 2026.
Peruse reviews from past customers who have flown with Air Canada from Ottawa to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.3
Comfort
7.1
Entertainment
6.8
Boarding
7.3
Crew
7.8
Overall
7.1
Reviews
1 / 20
2.0
MediocreSylvia,Aug 2026
YYZ - PHL
Food
6.3
Comfort
7.1
Entertainment
6.8
Boarding
7.3
Crew
7.8
Overall
7.1
Reviews
1 / 20
2.0
MediocreSylvia,Aug 2026
YYZ - PHL
Related info for your journey
Find useful and relevant information for your journey from Ottawa to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Ottawa to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ottawa and Colorado flights
Browse other Ottawa and Colorado flight options. Last updated on October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ottawa to Colorado flights
Consider these flights traveling from Ottawa to Colorado.
Top airline flying from Ottawa to Colorado
Discover the top airline that operate flights from Ottawa to Colorado. 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 7,457,451 searches. Data last updated October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$566 | Average$730 | FlexibilityNo cancel fee | On-time67% |