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Region of Waterloo Intl

$205+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YKF
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Colorado to Region of Waterloo Intl

Cheapest flights from Colorado to Region of Waterloo Intl
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 December 15, 2025.

This Justfly.com deal was found by Cheapflights users on 12/14. 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.
Sun 12/216:27 pmDEN - YKF
2 stops33h 01mWestJet
Mon 1/56:20 amYKF - DEN
2 stops37h 50mWestJet
Deal found 12/14$1,182
This WestJet deal was found by Cheapflights users on 12/12. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:25 pmDEN - YKF
2 stops15h 03mWestJet
Mon 12/226:20 amYKF - DEN
2 stops36h 36mWestJet
Deal found 12/12$1,516

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$771
(oojo)

One-way from

$369
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$588
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
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From Colorado to Toronto Region of Waterloo Intl
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One-way flight from Colorado to Toronto Region of Waterloo Intl
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 15, 2025.
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 6/9

12:15 pm-12:45 am

1 stop10h 30m

Toronto Region of Waterloo Intl

Thu 6/11

6:00 am-6:50 pm

1 stop14h 50m

$771

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Fri 1/23

6:14 am-5:28 am

2 stops21h 14m

Toronto Region of Waterloo Intl

Mon 2/2

6:20 am-1:55 pm

2 stops33h 35m

$785

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 1/22

5:49 pm-5:28 am

2 stops33h 39m

Toronto Region of Waterloo Intl

Mon 2/2

6:20 am-8:05 pm

2 stops39h 45m

$813

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Fri 1/23

6:14 am-5:28 am

2 stops21h 14m

Toronto Region of Waterloo Intl

Sat 1/31

7:00 pm-10:31 am

2 stops41h 31m

$813

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 1/8

5:51 pm-5:28 am

2 stops33h 37m

Toronto Region of Waterloo Intl

Thu 1/15

6:20 am-2:00 pm

2 stops33h 40m

$878

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Tue 3/24

6:07 pm-5:29 am

2 stops33h 22m

Toronto Region of Waterloo Intl

Sat 3/28

7:00 pm-7:51 pm

2 stops26h 51m

$883

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Fri 3/27

6:35 am-5:29 am

2 stops20h 54m

Toronto Region of Waterloo Intl

Mon 3/30

6:20 am-1:58 pm

2 stops33h 38m

$892

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 3/16

6:30 am-5:29 am

2 stops20h 59m

Toronto Region of Waterloo Intl

Thu 3/19

6:20 am-1:58 pm

2 stops33h 38m

$971

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Tue 5/26

12:15 pm-12:45 am

1 stop10h 30m

$205

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 5/27

7:50 pm-3:00 pm

2 stops17h 10m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 results
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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.
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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Region of Waterloo Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado to Toronto Region of Waterloo Intl Airport?

    A quick flight from Colorado to Toronto Region of Waterloo Intl Airport can take about 10h 30m. WestJet provides one of the quickest options available for as low as $771. There are 1272 mi between Colorado and Toronto Region of Waterloo Intl Airport.

  • Can I find deals for flights from Colorado to Region of Waterloo Intl that include hotel bookings?

    Yes. In addition to deals on Colorado to Region of Waterloo Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Region of Waterloo Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Region of Waterloo Intl.

  • Can I find deals for business class flights from Colorado to Region of Waterloo Intl?

    Yes. Cheapflights offers flight deals from Colorado to Region of Waterloo Intl 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

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