$263+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YKF
Apr 12 — Apr 191
Round-trip
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
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 Region of Waterloo Intl
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Last-minute
One-way
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 March 13, 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 March 13, 2026.
This oojo deal was found by Cheapflights users on 3/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Mon 5/258:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/11![WestJet logo]()
$578
This FlightHub deal was found by Cheapflights users on 3/10. 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 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
Tue 6/168:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/10![WestJet logo]()
$595
This oojo deal was found by Cheapflights users on 3/11. 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 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
Sun 5/318:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/11![WestJet logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:41 am
DEN
- YKF
2 stops32h 39m
Multiple Airlines
Tue 6/28:40 pm
YKF
- DEN
1 stop16h 40m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$625
This oojo deal was found by Cheapflights users on 3/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Sun 6/288:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/12![WestJet logo]()
$636
This FlightHub deal was found by Cheapflights users on 3/9. 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 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 3/9![WestJet logo]()
$637
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:15 pm
DEN
- YKF
1 stop29h 35m
Multiple Airlines
Wed 6/176:10 am
YKF
- DEN
2 stops31h 10m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$653
This Flightnetwork deal was found by Cheapflights users on 3/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Tue 6/28:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/13![WestJet logo]()
$674
This FlightHub deal was found by Cheapflights users on 3/8. 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 6/712:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Sat 6/138:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/8![WestJet logo]()
$680
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Mon 7/2712:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Mon 8/38:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/11![WestJet logo]()
$692
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 March 13, 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 March 13, 2026.
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Mon 5/258:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/9![WestJet logo]()
$591
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:15 pm
DEN
- YKF
1 stop29h 35m
Multiple Airlines
Wed 6/176:10 am
YKF
- DEN
2 stops31h 10m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$653
This FlightHub deal was found by Cheapflights users on 3/9. 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 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
Tue 6/168:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/9![WestJet logo]()
$637
This Flightnetwork deal was found by Cheapflights users on 3/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Tue 6/28:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/13![WestJet logo]()
$674
This FlightHub deal was found by Cheapflights users on 3/12. 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 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 stop29h 35m
WestJet
Mon 8/38:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/12![WestJet logo]()
$692
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Sun 8/28:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/12![WestJet logo]()
$692
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2012:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Wed 6/248:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/12![WestJet logo]()
$722
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Sun 5/312:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Wed 5/68:40 pm
YKF
- DEN
2 stops28h 01m
WestJet
Deal found 3/11![WestJet logo]()
$864
This oojo deal was found by Cheapflights users on 3/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Fri 7/38:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/11![WestJet logo]()
$873
Last-minute flights from Colorado to Region of Waterloo IntlDiscover last-minute flight deals from Colorado to Region of Waterloo Intl. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Region of Waterloo Intl. Data last updated March 13, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 3/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:20 am
DEN
- YKF
2 stops21h 09m
WestJet
Mon 3/166:20 am
YKF
- DEN
2 stops37h 40m
WestJet
Deal found 3/12![WestJet logo]()
$1,701
This WestJet deal was found by Cheapflights users on 3/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:30 am
DEN
- YKF
2 stops20h 59m
WestJet
Sat 3/217:00 pm
YKF
- DEN
2 stops22h 07m
WestJet
Deal found 3/9![WestJet logo]()
$3,015
This WestJet deal was found by Cheapflights users on 3/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:30 am
DEN
- YKF
2 stops20h 59m
WestJet
Thu 3/266:20 am
YKF
- DEN
2 stops34h 47m
WestJet
Deal found 3/9![WestJet logo]()
$1,306
This WestJet deal was found by Cheapflights users on 3/11. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:30 am
DEN
- YKF
2 stops21h 59m
WestJet
Sat 3/287:00 pm
YKF
- DEN
2 stops22h 07m
WestJet
Deal found 3/11![WestJet logo]()
$1,434
This WestJet deal was found by Cheapflights users on 3/9. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 am
DEN
- YKF
2 stops20h 04m
WestJet
Mon 4/206:20 am
YKF
- DEN
2 stops16h 26m
WestJet
Deal found 3/9![WestJet logo]()
$1,118
This FlightHub deal was found by Cheapflights users on 3/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:25 am
DEN
- YKF
2 stops20h 04m
WestJet
Tue 4/216:20 am
YKF
- DEN
2 stops16h 26m
WestJet
Deal found 3/12![WestJet logo]()
$1,006
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:43 am
DEN
- YKF
2 stops16h 46m
WestJet
Fri 5/18:40 pm
YKF
- DEN
2 stops20h 56m
WestJet
Deal found 3/9![WestJet logo]()
$1,982
This Gotogate deal was found by Cheapflights users on 3/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Sun 5/38:40 pm
YKF
- DEN
1 stop16h 40m
WestJet
Deal found 3/12![WestJet logo]()
$743
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 March 13, 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 March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:50 am
DEN
- YKF
2 stops29h 10m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$263
This Booking.com deal was found by Cheapflights users on 3/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/11![WestJet logo]()
$273
This Booking.com deal was found by Cheapflights users on 3/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/12![WestJet logo]()
$284
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/11![WestJet logo]()
$328
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/11![WestJet logo]()
$330
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Fri 7/3112:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/11![WestJet logo]()
$333
This Justfly.com deal was found by Cheapflights users on 3/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/13![WestJet logo]()
$337
This WestJet deal was found by Cheapflights users on 3/11. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/11![WestJet logo]()
$345
This Mytrip deal was found by Cheapflights users on 3/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:15 pm
DEN
- YKF
1 stop29h 35m
WestJet
Deal found 3/12![WestJet logo]()
$418
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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $578 (oojo) |
One-way from | $263 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $566 |
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 March 13, 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
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Tue 5/19
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Mon 5/25
8:40 pm-11:20 am
1 stop16h 40m
$591
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Tue 6/9
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
$637
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Wed 6/10
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Wed 6/17
6:10 am-11:20 am
2 stops31h 10m
$653
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Tue 5/26
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Tue 6/2
8:40 pm-11:20 am
1 stop16h 40m
$674
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Mon 7/27
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Mon 8/3
8:40 pm-11:20 am
1 stop16h 40m
$692
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Wed 7/29
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Sun 8/2
8:40 pm-11:20 am
1 stop16h 40m
$692
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Sat 6/20
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Wed 6/24
8:40 pm-11:20 am
1 stop16h 40m
$722
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Sun 5/3
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Wed 5/6
8:40 pm-10:41 pm
2 stops28h 01m
$864
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Sun 6/28
12:15 pm-7:50 pm
1 stop29h 35m
Toronto Region of Waterloo Intl
Fri 7/3
8:40 pm-11:20 am
1 stop16h 40m
$873
Cheapest one-way
DenverToronto
DEN - YKF
DENYKF
Denver Intl
Wed 6/10
12:15 pm-7:50 pm
1 stop29h 35m
$273
Showing 1-10 of 19 resultsSorted by cheapest first
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.
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