$204+ Cheap flights from Colorado to Region of Waterloo Intl (YKF)
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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YKF
Feb 28 — Mar 71
1 adult, Economy
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Find cheap flights from Colorado to Region of Waterloo Intl 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
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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 Region of Waterloo Intl
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Last-minute
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Cheapest flights from Colorado to Region of Waterloo IntlExplore the most affordable flight options available from Colorado to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Colorado to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This FlightHub deal was found by Cheapflights users on 1/29. 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 6/212:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Thu 6/48:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/29![WestJet logo]()
$349
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Tue 6/98:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$513
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Mon 6/88:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/27![WestJet logo]()
$523
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1412:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Tue 6/168:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$593
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Fri 6/128:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/27![WestJet logo]()
$613
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Mon 6/88:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$666
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:30 am
DEN
- YKF
2 stops35h 20m
WestJet
Mon 5/188:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$677
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Sun 6/148:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$754
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:15 pm
DEN
- YKF
1 stop28h 40m
WestJet
Sat 9/127:45 pm
YKF
- DEN
1 stop17h 40m
WestJet
Deal found 1/28![WestJet logo]()
$777
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:15 pm
DEN
- YKF
1 stop28h 40m
WestJet
Mon 8/177:45 pm
YKF
- DEN
1 stop17h 40m
WestJet
Deal found 1/27![WestJet logo]()
$801
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:30 am
DEN
- YKF
2 stops20h 59m
WestJet
Mon 3/306:20 am
YKF
- DEN
2 stops15h 37m
WestJet
Deal found 1/27![WestJet logo]()
$812
This FlightHub deal was found by Cheapflights users on 1/29. 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.
Mon 7/2712:15 pm
DEN
- YKF
1 stop28h 40m
WestJet
Mon 8/37:45 pm
YKF
- DEN
1 stop17h 40m
WestJet
Deal found 1/29![WestJet logo]()
$815
Best flights from Colorado to Region of Waterloo IntlDiscover carefully curated flight deals from Colorado to Region of Waterloo Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.
Discover carefully curated flight deals from Colorado to Region of Waterloo Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.
This FlightHub deal was found by Cheapflights users on 1/29. 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 6/212:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Thu 6/48:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/29![WestJet logo]()
$349
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Tue 6/98:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$513
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Mon 6/88:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/27![WestJet logo]()
$523
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Sun 6/218:40 pm
YKF
- DEN
1 stop16h 45m
WestJet
Deal found 1/27![WestJet logo]()
$593
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1412:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Tue 6/168:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$593
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Fri 6/128:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/27![WestJet logo]()
$613
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Mon 6/88:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$666
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:30 am
DEN
- YKF
2 stops35h 20m
WestJet
Mon 5/188:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$677
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Sun 6/148:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 1/28![WestJet logo]()
$754
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:30 am
DEN
- YKF
2 stops20h 59m
WestJet
Mon 3/306:20 am
YKF
- DEN
2 stops15h 37m
WestJet
Deal found 1/27![WestJet logo]()
$812
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:15 pm
DEN
- YKF
1 stop28h 40m
WestJet
Mon 8/37:45 pm
YKF
- DEN
1 stop17h 40m
WestJet
Deal found 1/27![WestJet logo]()
$822
Last-minute flights from Colorado to Region of Waterloo IntlDiscover last-minute flight deals from Colorado to Region of Waterloo Intl. Data last updated January 29, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Region of Waterloo Intl. Data last updated January 29, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:14 am
DEN
- YKF
2 stops21h 15m
WestJet
Mon 2/96:20 am
YKF
- DEN
2 stops37h 40m
WestJet
Deal found 1/27![WestJet logo]()
$1,039
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:40 am
DEN
- YKF
2 stops20h 49m
WestJet
Tue 2/176:20 am
YKF
- DEN
2 stops39h 54m
WestJet
Deal found 1/27![WestJet logo]()
$1,326
One-way flights from Colorado to Region of Waterloo IntlSearch for one-way flight options from Colorado to Region of Waterloo Intl. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.
Search for one-way flight options from Colorado to Region of Waterloo Intl. Find affordable one-way fares based on user searches. Data last updated January 29, 2026.
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:05 am
DEN
- YKF
2 stops19h 24m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/1510:29 pm
DEN
- YKF
2 stops29h 00m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$213
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:50 pm
DEN
- YKF
2 stops17h 10m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$286
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:30 am
DEN
- YKF
2 stops20h 59m
WestJet
Deal found 1/26![WestJet logo]()
$371
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:15 pm
DEN
- YKF
1 stop28h 40m
WestJet
Deal found 1/28![WestJet logo]()
$397
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:40 am
DEN
- YKF
2 stops20h 49m
WestJet
Deal found 1/28![WestJet logo]()
$417
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:45 am
DEN
- YKF
2 stops21h 44m
WestJet
Deal found 1/27![WestJet logo]()
$427
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 1/28![WestJet logo]()
$433
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:37 am
DEN
- YKF
2 stops12h 13m
WestJet
Deal found 1/28![WestJet logo]()
$444
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:10 am
DEN
- YKF
2 stops34h 40m
WestJet
Deal found 1/28![WestJet logo]()
$450
Find flight deals from Colorado to Region of Waterloo Intl
Keep the following information in mind while searching for Colorado to Region of Waterloo Intl flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (FlightHub) |
One-way from | $204 (Mytrip) |
Popular in | December |
Cheapest in | January |
Average price | $317 |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Region of Waterloo Intl 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 January 29, 2026.
Use the filters below to find and compare flights from Colorado to Toronto Region of Waterloo Intl Airport that are best for you.
Fly from
Colorado
Fly to
Region of Waterloo Intl
Route
Depart
Return
Price
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Tue 6/2
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Thu 6/4
8:40 pm-11:20 am
1 stop16h 40m
$349
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Fri 6/5
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Tue 6/9
8:40 pm-11:20 am
1 stop16h 40m
$513
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Sat 6/6
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Mon 6/8
8:40 pm-11:20 am
1 stop16h 40m
$523
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Mon 6/15
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Sun 6/21
8:40 pm-11:25 am
1 stop16h 45m
$593
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Sun 6/14
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Tue 6/16
8:40 pm-11:20 am
1 stop16h 40m
$593
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Tue 6/9
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Fri 6/12
8:40 pm-11:20 am
1 stop16h 40m
$613
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Fri 6/5
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Mon 6/8
8:40 pm-11:20 am
1 stop16h 40m
$666
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Sat 5/16
6:30 am-7:50 pm
2 stops35h 20m
Toronto Region of Waterloo Intl
Mon 5/18
8:40 pm-11:20 am
1 stop16h 40m
$677
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Thu 6/11
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Sun 6/14
8:40 pm-11:20 am
1 stop16h 40m
$754
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Mon 3/23
6:30 am-5:29 am
2 stops20h 59m
Toronto Region of Waterloo Intl
Mon 3/30
6:20 am-7:57 pm
2 stops15h 37m
$812
Showing 1-10 of 22 results
Best time to book a flight from Colorado to Region of Waterloo Intl
Have a flexible travel schedule? Discover the best time to fly to Region of Waterloo Intl from Colorado with our price prediction graph.
DEN-YKF
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 Toronto Region of Waterloo Intl Airport
USCO-YKF
DEN-YKF
No data available for this route at this time. Please check back soon.