HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Region of Waterloo Intl

$272+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YKF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver 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 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 January 27, 2026.

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.
Sat 6/612:15 pm
DEN
-
YKF
1 stop29h 35m
WestJet
Mon 6/88:40 pm
YKF
-
DEN
1 stop16h 40m
WestJet
Deal found 1/26$517
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:15 pm
DEN
-
YKF
1 stop29h 35m
WestJet
Thu 6/118:40 pm
YKF
-
DEN
1 stop16h 40m
WestJet
Deal found 1/26$653
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:15 pm
DEN
-
YKF
1 stop29h 35m
WestJet
Mon 6/88:40 pm
YKF
-
DEN
1 stop16h 40m
WestJet
Deal found 1/26$660
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:15 pm
DEN
-
YKF
1 stop10h 30m
WestJet
Fri 5/296:00 am
YKF
-
DEN
1 stop14h 50m
WestJet
Deal found 1/24$664
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.
Thu 5/76:30 am
DEN
-
YKF
2 stops35h 20m
WestJet
Sun 5/108:40 pm
YKF
-
DEN
1 stop16h 40m
WestJet
Deal found 1/26$724
This Gotogate deal was found by Cheapflights users on 1/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:40 pm
DEN
-
YKF
1 stop21h 15m
WestJet
Mon 8/317:45 pm
YKF
-
DEN
1 stop17h 40m
WestJet
Deal found 1/25$790
This oojo deal was found by Cheapflights users on 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:15 pm
DEN
-
YKF
1 stop28h 40m
WestJet
Sat 7/187:45 pm
YKF
-
DEN
1 stop17h 40m
WestJet
Deal found 1/24$808
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.
Mon 7/2712:15 pm
DEN
-
YKF
1 stop28h 40m
WestJet
Mon 8/37:45 pm
YKF
-
DEN
1 stop17h 40m
WestJet
Deal found 1/26$811
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:40 pm
DEN
-
YKF
1 stop21h 15m
WestJet
Mon 7/137:45 pm
YKF
-
DEN
1 stop17h 40m
WestJet
Deal found 1/26$815
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:40 pm
DEN
-
YKF
1 stop21h 15m
WestJet
Fri 7/37:45 pm
YKF
-
DEN
1 stop17h 40m
WestJet
Deal found 1/25$823
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.
Sun 5/37:10 am
DEN
-
YKF
2 stops34h 40m
WestJet
Wed 5/68:40 pm
YKF
-
DEN
2 stops27h 51m
WestJet
Deal found 1/26$829

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$517
(FlightHub)

One-way from

$272
(oojo)

Popular in

December

Cheapest in

January

Average price

$317
Provider with most accurate pricing for Denver Intl-Toronto Region of Waterloo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Toronto Region of Waterloo Intl flights.
Search Deals
From Denver Intl to Toronto Region of Waterloo Intl
Search Deals
One-way flight from Denver Intl to Toronto Region of Waterloo Intl
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

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

$517

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 6/4

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Thu 6/11

8:40 pm-11:20 am

1 stop16h 40m

$653

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 6/3

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

$660

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 5/25

12:15 pm-12:45 am

1 stop10h 30m

Toronto Region of Waterloo Intl

Fri 5/29

6:00 am-6:50 pm

1 stop14h 50m

$664

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 5/7

6:30 am-7:50 pm

2 stops35h 20m

Toronto Region of Waterloo Intl

Sun 5/10

8:40 pm-11:20 am

1 stop16h 40m

$724

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 7/13

12:15 pm-6:55 pm

1 stop28h 40m

Toronto Region of Waterloo Intl

Sat 7/18

7:45 pm-11:25 am

1 stop17h 40m

$808

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 7/9

7:40 pm-6:55 pm

1 stop21h 15m

Toronto Region of Waterloo Intl

Mon 7/13

7:45 pm-11:25 am

1 stop17h 40m

$815

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 7/4

12:15 pm-6:55 pm

1 stop28h 40m

Toronto Region of Waterloo Intl

Tue 7/7

7:45 pm-11:25 am

1 stop17h 40m

$823

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sun 6/28

7:40 pm-6:55 pm

1 stop21h 15m

Toronto Region of Waterloo Intl

Fri 7/3

7:45 pm-11:25 am

1 stop17h 40m

$823

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sun 5/3

7:10 am-7:50 pm

2 stops34h 40m

Toronto Region of Waterloo Intl

Wed 5/6

8:40 pm-10:31 pm

2 stops27h 51m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Denver-Toronto Region of Waterloo Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Toronto Region of Waterloo Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 29h 35m. 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.

See more FAQs

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 for Denver to Region of Waterloo Intl

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Pearson Intl flights
Denver to Toronto Island flights
Denver to Hamilton flights
Colorado Springs to Pearson Intl flights
Vail to Pearson Intl flights
Durango to Pearson Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.