$127 Find Cheap Flights from Ontario to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Denver departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$214
Overall average: $487
Multiple Airlines
Fri 1/30Mon 2/2
YYZ - DEN • 1 stop
Cheapest non-stop
$373
Typical prices: $435-$605
Air Canada
Sat 1/31Sat 2/7
YYZ - DEN • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Ontario to Denver

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Denver

Fri, Jan 30 - Mon, Feb 2
Multiple Airlines Logo
8:00 pm - 10:32 am
YYZ
-
DEN
16h 32m1 stop
Multiple Airlines Logo
6:38 pm - 6:43 am
DEN
-
YYZ
10h 05m1 stop
$214Multiple Airlines
Fri, Jan 30 - Mon, Feb 2
Multiple Airlines Logo
8:00 pm - 10:32 am
YYZ
-
DEN
16h 32m1 stop
Multiple Airlines Logo
10:29 pm - 7:36 pm
DEN
-
YYZ
19h 07m2 stops
$227Multiple Airlines
Fri, May 22 - Mon, May 25
WestJet Logo
9:00 am - 6:50 pm
YYZ
-
DEN
11h 50m2 stops
WestJet Logo
12:15 pm - 12:30 am
DEN
-
YYZ
10h 15m2 stops
$232WestJet
Fri, May 22 - Mon, May 25
WestJet Logo
9:00 am - 6:50 pm
YYZ
-
DEN
11h 50m2 stops
WestJet Logo
12:15 pm - 10:52 pm
DEN
-
YYZ
8h 37m1 stop
$234WestJet
Fri, Jan 23 - Wed, Jan 28
Multiple Airlines Logo
8:00 pm - 10:32 am
YYZ
-
DEN
16h 32m1 stop
Multiple Airlines Logo
9:44 pm - 7:36 pm
DEN
-
YYZ
19h 52m2 stops
$242Multiple Airlines
Thu, May 28 - Mon, Jun 1
WestJet Logo
11:00 am - 6:50 pm
YYZ
-
DEN
9h 50m1 stop
WestJet Logo
12:15 pm - 12:30 am
DEN
-
YYZ
10h 15m2 stops
$243WestJet
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
8:00 pm - 10:32 am
YYZ
-
DEN
16h 32m1 stop
Multiple Airlines Logo
9:05 pm - 11:20 pm
DEN
-
YYZ
24h 15m2 stops
$244Multiple Airlines
Sat, Apr 4 - Sat, Apr 18
Air Canada Logo
12:30 pm - 7:55 pm
YTZ
-
DEN
9h 25m1 stop
Air Canada Logo
11:05 am - 9:32 pm
DEN
-
YTZ
8h 27m1 stop
$354Air Canada
Mon, Jan 19 - Sun, Jan 25
Air Canada Logo
12:30 pm - 7:55 pm
YTZ
-
DEN
9h 25m1 stop
Air Canada Logo
11:15 am - 7:55 pm
DEN
-
YTZ
6h 40m1 stop
$361Air Canada
Fri, Feb 13 - Tue, Feb 17
American Airlines Logo
3:45 pm - 8:47 am
YUL
-
DEN
19h 02m1 stop
American Airlines Logo
5:57 pm - 3:04 pm
DEN
-
YUL
19h 07m1 stop
$380American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$127
Best time to beat the crowds but there is an average 40% increase in price.
Most popular time to fly with an average 5% increase in price.
Flight from Toronto Pearson Airport to Denver

Flights from Ontario to Denver: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Ontario to Denver 
Learn how KAYAK collects reviews and tips from users.
F.Flew with United Airlines
YYZ
-
DEN
Aug 2024
Make sure to check the airline delay flights rate and if you have important commitments choose another airline.
JoshuaFlew with Air Canada
YYZ
-
DEN
Apr 2024
Toronto's customs was one of the faster experiences I've had. They opened four more lanes to expedite the process when the lane got too long, to ensure we would all get through within around 15 minutes. The public transportation within the city is also top notch, in my opinion.

FAQs for booking flights from Ontario to Denver

  • How does KAYAK find such low prices on flights from Ontario to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Dillon
Westminster
Lakewood
Broomfield
Englewood
Greenwood Village
Central City
Lone Tree
Wheat Ridge
Brighton
Limon
Fort Morgan
Evergreen
Erie

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver

Denver (DEN)