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Region of Waterloo Intl

$373+ Cheap flights from Denver (DEN) 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YKF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Denver to Region of Waterloo Intl

Cheapest flights from Denver to Region of Waterloo Intl
Explore the most affordable flight options available from Denver to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Justfly.com deal was found by Cheapflights users on 12/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amDEN - YKF
2 stops20h 18mWestJet
Mon 1/56:20 amYKF - DEN
2 stops37h 50mWestJet
Deal found 12/11$1,086

Find flight deals from Denver to Region of Waterloo Intl

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Region of Waterloo Intl (YKF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$853
(Priceline)

One-way from

$373
(oojo)

Popular in

December

Cheapest in

March

Average price

$575
Provider with most accurate pricing for Denver Intl-Toronto Region of Waterloo Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Toronto Region of Waterloo Intl flights.
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From Denver Intl to Toronto Region of Waterloo Intl
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One-way flight from Denver Intl to Toronto Region of Waterloo Intl
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 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 Denver 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 12, 2025.
Use the filters below to find and compare flights from Denver to Toronto Region of Waterloo Intl Airport that are best for you.

Fly from

Denver

Fly to

Region of Waterloo Intl

Route

Depart

Return

Price

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Fri 5/1

12:15 pm-12:45 am

1 stop10h 30m

Toronto Region of Waterloo Intl

Tue 5/5

6:00 am-5:40 pm

2 stops13h 40m

$853

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 3/16

6:35 am-5:29 am

2 stops20h 54m

Toronto Region of Waterloo Intl

Tue 3/24

6:20 am-3:08 pm

2 stops34h 48m

$862

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-7:56 pm

2 stops39h 36m

$878

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 2/16

6:40 am-5:29 am

2 stops20h 49m

Toronto Region of Waterloo Intl

Thu 2/19

6:20 am-8:14 pm

2 stops39h 54m

$885

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 12/29

7:10 am-5:28 am

2 stops20h 18m

Toronto Region of Waterloo Intl

Mon 1/5

6:20 am-6:10 pm

2 stops37h 50m

$1,086

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 1/24

5:49 pm-5:28 am

2 stops33h 39m

Toronto Region of Waterloo Intl

Sat 1/31

7:00 pm-2:00 pm

2 stops21h 00m

$1,748

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 5/16

12:15 pm-12:45 am

1 stop10h 30m

$373

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Fri 1/9

7:00 am-5:28 am

2 stops20h 28m

$445

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Fri 4/24

6:30 am-5:29 am

2 stops20h 59m

$472

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 2/16

6:05 am-5:29 am

2 stops21h 24m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 14 results
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Compare providers for flights from Denver to Region of Waterloo Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Region of Waterloo Intl in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Toronto Region of Waterloo Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Toronto Region of Waterloo Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Toronto Region of Waterloo Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Toronto Region of Waterloo Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Toronto Region of Waterloo Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Region of Waterloo Intl

Have a flexible travel schedule? Discover the best time to fly to Region of Waterloo Intl from Denver 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.

Related info for your journey

Find useful and relevant information for your journey from Denver 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.

  • What airport do you fly from for flights from Denver to Toronto Region of Waterloo Intl?

    For a flight from Denver to Toronto Region of Waterloo Intl, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 0 outbound flights to Toronto Region of Waterloo Intl per day. 0 airlines have flights to Toronto Region of Waterloo Intl from Denver Intl on a regular basis.

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

    Airlines like WestJet fly from Denver to Toronto Region of Waterloo Intl Airport in about 10h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Denver to Toronto Region of Waterloo Intl Airport is about 1272 mi.

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

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

  • How can I find direct flights from Denver 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 Denver to Region of Waterloo Intl.

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

    Yes. Cheapflights offers flight deals from Denver 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.

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