DEN

C$ 205 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 13/4. 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

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

Save 21% or moreCompare multiple travel sites with one search.

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

Free to useThere are no hidden charges or fees.

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

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, 10 Apr - Mon, 13 Apr
American Airlines Logo
12:30 p.m. - 11:59 p.m.
YUL
-
DEN
13h 29m
1 stop
American Airlines Logo
5:30 a.m. - 2:44 p.m.
DEN
-
YUL
7h 14m
1 stop
C$ 398American Airlines
Tue, 31 Mar - Wed, 15 Apr
American Airlines Logo
3:45 p.m. - 10:37 p.m.
YUL
-
DEN
8h 52m
1 stop
American Airlines Logo
6:30 p.m. - 2:44 p.m.
DEN
-
YUL
18h 14m
1 stop
C$ 415American Airlines
Thu, 9 Apr - Sun, 12 Apr
American Airlines Logo
7:29 a.m. - 8:31 p.m.
YUL
-
DEN
15h 02m
1 stop
American Airlines Logo
5:30 a.m. - 2:44 p.m.
DEN
-
YUL
7h 14m
1 stop
C$ 417American Airlines
Wed, 22 Apr - Tue, 28 Apr
Multiple Airlines Logo
10:00 a.m. - 7:49 p.m.
YYZ
-
DEN
11h 49m
1 stop
Multiple Airlines Logo
11:59 p.m. - 10:10 p.m.
DEN
-
YYZ
20h 11m
2 stops
C$ 506Multiple Airlines
Wed, 22 Apr - Tue, 28 Apr
Multiple Airlines Logo
9:25 a.m. - 10:29 p.m.
YTZ
-
DEN
15h 04m
2 stops
Multiple Airlines Logo
4:36 p.m. - 1:10 p.m.
DEN
-
YTZ
18h 34m
1 stop
C$ 511Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
1:30 p.m. - 8:11 p.m.
YYZ
-
DEN
32h 41m
2 stops
Multiple Airlines Logo
9:00 p.m. - 11:47 a.m.
DEN
-
YYZ
12h 47m
1 stop
C$ 513Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Air Canada Logo
2:50 p.m. - 4:38 p.m.
YYZ
-
DEN
3h 48mdirect
Air Canada Logo
6:05 p.m. - 11:18 p.m.
DEN
-
YYZ
3h 13mdirect
C$ 523Air Canada
Fri, 3 Apr - Tue, 7 Apr
Air Canada Logo
5:35 p.m. - 7:55 p.m.
YUL
-
DEN
4h 20mdirect
Air Canada Logo
11:10 a.m. - 4:52 p.m.
DEN
-
YUL
3h 42mdirect
C$ 563Air Canada
Mon, 1 Jun - Wed, 10 Jun
WestJet Logo
8:40 p.m. - 11:20 a.m.
YKF
-
DEN
16h 40m
1 stop
WestJet Logo
12:15 p.m. - 7:50 p.m.
DEN
-
YKF
29h 35m
1 stop
C$ 591WestJet
Thu, 7 May - Mon, 11 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$ 629WestJet
Useful Info

Good to know

Low seasonJanuary
Cheapest flightC$ 205
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 19% 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
Fort Collins
Silverthorne
Westminster
Longmont
Golden
Lakewood
Littleton
Keystone
Breckenridge
Manitou Springs
Frisco
Wheat Ridge
Greeley
Englewood
Winter Park
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)