$242+ Cheap flights from Colorado to Ottawa (YOW)
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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YOW
Nov 26 — Dec 31
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Colorado to OttawaExplore 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 October 27, 2026.
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 October 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 11/2511:59 pm -
1 stop14h 46m
Wed 12/28:30 am -
2 stops17h 19m
Deal found 10/25![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 12/99:00 am -
2 stops27h 32m
Wed 12/168:00 am -
1 stop9h 40m
Deal found 10/25![Multiple Airlines logo]()
$428
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:04 am -
2 stops13h 37m
Sun 12/612:50 pm -
2 stops21h 23m
Deal found 10/26![Multiple Airlines logo]()
$451
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:25 pm -
2 stops17h 44m
Sat 11/286:00 am -
2 stops18h 03m
Deal found 10/24![Air Canada logo]()
$905
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.
Sun 11/225:05 pm -
2 stops18h 06m
Mon 11/306:00 am -
2 stops12h 24m
Deal found 10/23![United Airlines logo]()
$927
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:09 am -
1 stop11h 07m
Sat 11/284:25 pm -
2 stops21h 56m
Deal found 10/24![Multiple Airlines logo]()
$1,455
Best flights from Colorado to OttawaDiscover carefully curated flight deals from Colorado to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
Discover carefully curated flight deals from Colorado to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 11/2511:59 pm -
1 stop14h 46m
Wed 12/28:30 am -
2 stops17h 19m
Deal found 10/25![Multiple Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 1/115:47 am -
1 stop6h 22m
Thu 1/144:36 pm -
1 stop7h 23m
Deal found 10/26![United Airlines logo]()
$855
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 12/99:00 am -
2 stops27h 32m
Wed 12/168:00 am -
1 stop9h 40m
Deal found 10/25![Multiple Airlines logo]()
$428
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:25 pm -
1 stop15h 44m
Fri 11/2712:10 pm -
1 stop6h 40m
Deal found 10/22![Air Canada logo]()
$880
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.
Sat 11/79:12 pm -
2 stops24h 22m
Mon 11/169:15 am -
1 stop25h 14m
Deal found 10/23![Multiple Airlines logo]()
$585
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:16 pm -
2 stops16h 16m
Thu 12/175:40 pm -
2 stops20h 38m
Deal found 10/26![Multiple Airlines logo]()
$618
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 11/810:43 am -
2 stops28h 39m
Mon 11/169:15 am -
1 stop25h 14m
Deal found 10/22![Multiple Airlines logo]()
$630
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.
Sun 11/225:05 pm -
2 stops18h 06m
Mon 11/306:00 am -
2 stops12h 24m
Deal found 10/23![United Airlines logo]()
$927
Last-minute flights from Colorado to OttawaDiscover last-minute flight deals from Colorado to Ottawa. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Ottawa. Data last updated October 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/66:56 pm -
1 stop20h 26m
Tue 11/177:05 am -
2 stops35h 55m
Deal found 10/26![Multiple Airlines logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/66:56 pm -
1 stop20h 26m
Mon 11/165:45 pm -
2 stops18h 03m
Deal found 10/26![Multiple Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/66:56 pm -
1 stop20h 26m
Sun 11/157:05 am -
2 stops27h 15m
Deal found 10/26![Multiple Airlines logo]()
$593
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.
Sat 11/79:12 pm -
2 stops42h 10m
Mon 11/169:15 am -
1 stop25h 14m
Deal found 10/22![Multiple Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/810:29 pm -
2 stops23h 11m
Mon 11/168:00 am -
1 stop26h 13m
Deal found 10/26![Multiple Airlines logo]()
$551
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:25 pm -
2 stops17h 44m
Sat 11/286:00 am -
2 stops18h 03m
Deal found 10/24![Air Canada logo]()
$905
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:09 am -
1 stop11h 07m
Sat 11/284:25 pm -
2 stops21h 56m
Deal found 10/24![Multiple Airlines logo]()
$1,455
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.
Sun 11/225:05 pm -
2 stops18h 06m
Mon 11/306:00 am -
2 stops12h 24m
Deal found 10/23![United Airlines logo]()
$927
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 11/2511:59 pm -
1 stop14h 46m
Wed 12/28:30 am -
2 stops17h 19m
Deal found 10/25![Multiple Airlines logo]()
$427
One-way flights from Colorado to OttawaSearch for one-way flight options from Colorado to Ottawa. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
Search for one-way flight options from Colorado to Ottawa. Find affordable one-way fares based on user searches. Data last updated October 27, 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.
Thu 12/2410:29 pm -
2 stops23h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$242
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.
Wed 12/2310:29 pm -
3 stops47h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$248
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.
Sun 12/209:23 pm -
3 stops42h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$260
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 12/2111:04 am -
2 stops28h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$261
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 October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $427 (Kiwi.com) |
One-way from | $242 (Kiwi.com) |
Popular in | October |
Cheapest in | August |
Average price | $1,184 |
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 7,457,451 searches. Data last updated October 27, 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
Cheapest round-trip
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Sun 12/20
9:23 pm-5:56 pm
3 stops42h 33m
Ottawa
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$260
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Thu 12/24
6:19 am-12:07 am
1 stop15h 48m
Ottawa
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$280
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Mon 12/21
11:04 am-3:25 pm
1 stop26h 21m
Ottawa
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$340
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Wed 11/25
11:59 pm-4:45 pm
1 stop14h 46m
Ottawa
Wed 12/2
8:30 am-11:49 pm
2 stops17h 19m
$427
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Wed 12/9
9:00 am-2:32 pm
2 stops27h 32m
Ottawa
Wed 12/16
8:00 am-3:40 pm
1 stop9h 40m
$428
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Sat 11/7
9:12 pm-11:34 pm
2 stops24h 22m
Ottawa
Mon 11/16
9:15 am-8:29 am
1 stop25h 14m
$585
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Sat 12/12
8:16 pm-2:32 pm
2 stops16h 16m
Ottawa
Thu 12/17
5:40 pm-12:18 pm
2 stops20h 38m
$618
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Sun 11/8
10:43 am-5:22 pm
2 stops28h 39m
Ottawa
Mon 11/16
9:15 am-8:29 am
1 stop25h 14m
$630
Quickest round-trip
Colorado SpringsOttawa
COS Colorado Springs - YOW Ottawa
COSYOW
Colorado Springs
Mon 1/11
5:47 am-2:09 pm
1 stop6h 22m
Ottawa
Thu 1/14
4:36 pm-9:59 pm
1 stop7h 23m
$855
DenverOttawa
DEN Denver Intl - YOW Ottawa
DENYOW
Denver Intl
Fri 11/20
8:25 pm-2:09 pm
1 stop15h 44m
Ottawa
Fri 11/27
12:10 pm-4:50 pm
1 stop6h 40m
$880
Showing 1-10 of 11 resultsSorted by cheapest first
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.
DEN-YOW
COS-YOW
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
USCO-YOW
DEN-YOW
COS-YOW
What is the cheapest month to book a flight from Colorado to Ottawa?
Currently, August is the cheapest month in which you can book a flight from Colorado to Ottawa (average of $691). Flying from Colorado to Ottawa in October is currently the most expensive (average of $1,184). 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.
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.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsGatineau
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
Complete your trip
Flights by cabin class
Other flight options
Ottawa flight routes
Popular flights
Top destinations
Alternative routes for Colorado to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Colorado to Ottawa by cabin class
Find flights from Colorado to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Colorado and Ottawa flights
Browse other Colorado and Ottawa flight options. Last updated on October 27, 2026.
Other flights to Ottawa
Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Colorado to Ottawa flights
Consider these flights traveling from Colorado to Ottawa.
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 7,457,451 searches. Data last updated October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$666 | Average$827 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$727 | Average$877 | FlexibilityNo cancel fee | On-time69% |