DEN

C$ 185 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 30/3. 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

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Everything you should know

Cheapest round-trip
C$ 491
Typical prices: C$ 545-C$ 738
Multiple Airlines
Sun 26/4Wed 6/5
YUL - DEN • 2 stops
Cheapest direct flights
C$ 519
Typical prices: C$ 665-C$ 1,224
Air Canada
Thu 26/2Tue 3/3
YUL - DEN • Direct
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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

Sun, 26 Apr - Wed, 6 May
Multiple Airlines Logo
8:00 a.m. - 7:00 a.m.
YUL
-
DEN
25h 00m
2 stops
Multiple Airlines Logo
12:15 p.m. - 2:12 p.m.
DEN
-
YUL
23h 57m
1 stop
C$ 491Multiple Airlines
Wed, 15 Apr - Fri, 17 Apr
American Airlines Logo
12:30 p.m. - 11:59 p.m.
YUL
-
DEN
13h 29m
1 stop
American Airlines Logo
5:44 p.m. - 11:44 a.m.
DEN
-
YUL
16h 00m
1 stop
C$ 494American Airlines
Tue, 28 Apr - Wed, 6 May
Multiple Airlines Logo
6:45 a.m. - 8:01 p.m.
YUL
-
DEN
15h 16m
2 stops
Multiple Airlines Logo
12:15 p.m. - 2:12 p.m.
DEN
-
YUL
23h 57m
1 stop
C$ 498Multiple Airlines
Tue, 28 Apr - Wed, 6 May
WestJet Logo
8:00 p.m. - 11:20 a.m.
YUL
-
DEN
17h 20m
1 stop
WestJet Logo
12:15 p.m. - 11:45 p.m.
DEN
-
YUL
9h 30m
1 stop
C$ 499WestJet
Mon, 9 Mar - Wed, 11 Mar
Air Canada Logo
8:30 a.m. - 10:23 a.m.
YYZ
-
DEN
3h 53mdirect
Air Canada Logo
8:05 a.m. - 9:37 p.m.
DEN
-
YYZ
11h 32m
1 stop
C$ 511Air Canada
Sat, 28 Feb - Mon, 2 Mar
Alaska Airlines Logo
4:45 p.m. - 11:59 p.m.
YYZ
-
DEN
9h 14m
1 stop
Alaska Airlines Logo
7:52 p.m. - 3:35 p.m.
DEN
-
YYZ
17h 43m
1 stop
C$ 514Alaska Airlines
Wed, 1 Apr - Mon, 6 Apr
Air Canada Logo
8:30 a.m. - 10:15 a.m.
YYZ
-
DEN
3h 45mdirect
Air Canada Logo
11:10 a.m. - 8:30 p.m.
DEN
-
YYZ
7h 20m
1 stop
C$ 515Air Canada
Thu, 19 Feb - Wed, 25 Feb
Air Canada Logo
5:25 p.m. - 7:55 p.m.
YUL
-
DEN
4h 30mdirect
Air Canada Logo
8:05 a.m. - 9:09 p.m.
DEN
-
YUL
11h 04m
1 stop
C$ 517Air Canada
Sat, 23 May - Mon, 25 May
WestJet Logo
6:10 p.m. - 11:20 a.m.
YHM
-
DEN
19h 10m
1 stop
WestJet Logo
12:15 p.m. - 5:15 p.m.
DEN
-
YHM
27h 00m
1 stop
C$ 617WestJet
Wed, 25 Feb - Sat, 25 Apr
Delta Logo
5:40 a.m. - 5:24 p.m.
YOW
-
DEN
13h 44m
2 stops
Delta Logo
7:30 a.m. - 12:39 a.m.
DEN
-
YOW
15h 09m
2 stops
C$ 713Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flightC$ 192
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Toronto Pearson Airport to Denver

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

Insights shared by verified travellers 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.

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Aurora
Estes Park
Silverthorne
Fort Collins
Westminster
Longmont
Lakewood
Golden
Keystone
Littleton
Frisco
Breckenridge
Greeley
Winter Park
Wheat Ridge
Manitou Springs
Englewood
Georgetown
Dillon
Centennial

Everything you need to know for your flight to Denver

Information on the airport you'll fly into in Denver

Denver (DEN)