Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Ontario from C$ 124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Ontario departing on 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:30 a.m. - 11:20 p.m.
DEN
-
YYZ
13h 50m2 stops
Multiple Airlines Logo
8:00 p.m. - 10:32 a.m.
YYZ
-
DEN
16h 32m1 stop
C$ 309Multiple Airlines
Tue, 27 Jan - Fri, 30 Jan
Multiple Airlines Logo
10:29 p.m. - 7:47 p.m.
DEN
-
YYZ
19h 18m1 stop
Multiple Airlines Logo
10:15 a.m. - 8:00 p.m.
YYZ
-
DEN
11h 45m1 stop
C$ 313Multiple Airlines
Thu, 5 Feb - Mon, 9 Feb
Multiple Airlines Logo
9:25 a.m. - 2:20 p.m.
DEN
-
YYZ
26h 55m1 stop
Multiple Airlines Logo
10:00 a.m. - 12:19 a.m.
YYZ
-
DEN
16h 19m2 stops
C$ 320Multiple Airlines
Tue, 10 Mar - Tue, 17 Mar
Multiple Airlines Logo
4:26 p.m. - 6:20 a.m.
DEN
-
YYZ
11h 54m1 stop
Multiple Airlines Logo
9:35 a.m. - 7:19 p.m.
YYZ
-
DEN
11h 44m1 stop
C$ 324Multiple Airlines
Mon, 26 Jan - Wed, 28 Jan
WestJet Logo
12:15 p.m. - 12:40 a.m.
DEN
-
YOW
10h 25m1 stop
WestJet Logo
6:15 a.m. - 6:50 p.m.
YOW
-
DEN
14h 35m2 stops
C$ 358WestJet
Wed, 27 May - Sun, 31 May
WestJet Logo
12:15 p.m. - 12:42 a.m.
DEN
-
YUL
10h 27m1 stop
WestJet Logo
5:30 p.m. - 11:25 a.m.
YUL
-
DEN
19h 55m1 stop
C$ 384WestJet
Fri, 8 May - Sat, 16 May
Air Canada Logo
8:05 a.m. - 9:21 p.m.
DEN
-
YXU
11h 16m2 stops
Air Canada Logo
5:40 p.m. - 4:53 p.m.
YXU
-
DEN
25h 13m2 stops
C$ 840Air Canada
Tue, 24 Feb - Wed, 25 Feb
Air Canada Logo
8:05 a.m. - 9:21 p.m.
DEN
-
YXU
11h 16m2 stops
Air Canada Logo
5:10 a.m. - 10:23 a.m.
YXU
-
DEN
7h 13m1 stop
C$ 1,003Air Canada
Tue, 24 Feb - Wed, 25 Feb
United Airlines Logo
7:45 a.m. - 9:21 p.m.
DEN
-
YXU
11h 36m2 stops
United Airlines Logo
5:10 a.m. - 7:36 p.m.
YXU
-
DEN
16h 26m2 stops
C$ 1,133United Airlines
Sat, 21 Feb - Sat, 28 Feb
United Airlines Logo
1:25 p.m. - 9:21 p.m.
DEN
-
YXU
5h 56m1 stop
United Airlines Logo
5:10 a.m. - 7:36 p.m.
YXU
-
DEN
16h 26m2 stops
C$ 1,217United Airlines
Sat, 21 Feb - Sat, 28 Feb

WestJet flights from Denver to Region of Ontario

Our best WestJet deals on Denver to Region of Ontario flight tickets
WestJet
22 May
DEN7:40 p.m.Denver Intl
8h 32m
1 stop
YYZ6:12 a.m.Toronto Pearson Intl
29 May
YYZ11:00 a.m.Toronto Pearson Intl
9h 50m
1 stop
DEN6:50 p.m.Denver Intl
C$ 346
Find similar
WestJet
27 May
DEN12:15 p.m.Denver Intl
10h 25m
1 stop
YOW12:40 a.m.Ottawa
31 May
YOW6:15 a.m.Ottawa
14h 35m
2 stops
DEN6:50 p.m.Denver Intl
C$ 358
Find similar
WestJet
8 May
DEN12:15 p.m.Denver Intl
10h 27m
1 stop
YUL12:42 a.m.Montreal Pierre Elliott Trudeau Intl
16 May
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
19h 55m
1 stop
DEN11:25 a.m.Denver Intl
C$ 384
Find similar

Alaska Airlines flights from Denver to Region of Ontario

Our best Alaska Airlines deals on Denver to Region of Ontario flight tickets
Alaska Airlines
18 Jan
DEN11:49 a.m.Denver Intl
25h 46m
2 stops
YYZ3:35 p.m.Toronto Pearson Intl
21 Jan
YYZ4:45 p.m.Toronto Pearson Intl
27h 56m
2 stops
DEN6:41 p.m.Denver Intl
C$ 770
Find similar
Alaska Airlines
16 Jan
DEN12:34 p.m.Denver Intl
25h 01m
2 stops
YYZ3:35 p.m.Toronto Pearson Intl
19 Jan
YYZ4:45 p.m.Toronto Pearson Intl
33h 13m
2 stops
DEN11:58 p.m.Denver Intl
C$ 936
Find similar
Alaska Airlines
15 Jan
DEN11:49 a.m.Denver Intl
25h 46m
2 stops
YYZ3:35 p.m.Toronto Pearson Intl
19 Jan
YYZ4:45 p.m.Toronto Pearson Intl
20h 08m
2 stops
DEN10:53 a.m.Denver Intl
C$ 1,076
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Region of Ontario 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, momondo users made 96,600 searches. Data last updated 7 January 2026.
Use the filters below to find and compare flights from Denver to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 27/1

7:30 a.m.-11:20 p.m.

2 stops13h 50m

Toronto Pearson Intl

Fri 30/1

8:00 p.m.-10:32 a.m.

1 stop16h 32m

C$ 309

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 5/2

10:29 p.m.-7:47 p.m.

1 stop19h 18m

Toronto Pearson Intl

Mon 9/2

10:15 a.m.-8:00 p.m.

1 stop11h 45m

C$ 313

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 10/3

9:25 a.m.-2:20 p.m.

1 stop26h 55m

Toronto Pearson Intl

Tue 17/3

10:00 a.m.-12:19 a.m.

2 stops16h 19m

C$ 320

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 26/1

4:26 p.m.-6:20 a.m.

1 stop11h 54m

Toronto Pearson Intl

Wed 28/1

9:35 a.m.-7:19 p.m.

1 stop11h 44m

C$ 324

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 27/5

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Ottawa

Sun 31/5

6:15 a.m.-6:50 p.m.

2 stops14h 35m

C$ 358

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 8/5

12:15 p.m.-12:42 a.m.

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

5:30 p.m.-11:25 a.m.

1 stop19h 55m

C$ 384

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Tue 24/2

8:05 a.m.-9:21 p.m.

2 stops11h 16m

London

Wed 25/2

5:40 p.m.-4:53 p.m.

2 stops25h 13m

C$ 840

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Tue 24/2

8:05 a.m.-9:21 p.m.

2 stops11h 16m

London

Wed 25/2

5:10 a.m.-10:23 a.m.

1 stop7h 13m

C$ 1,003

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Sat 21/2

7:45 a.m.-9:21 p.m.

2 stops11h 36m

London

Sat 28/2

5:10 a.m.-7:36 p.m.

2 stops16h 26m

C$ 1,133

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Sat 21/2

1:25 p.m.-9:21 p.m.

1 stop5h 56m

London

Sat 28/2

5:10 a.m.-7:36 p.m.

2 stops16h 26m

C$ 1,217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ontario from

How to get the cheapest flight ticket from Denver to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Region of Ontario?

In general, January is the cheapest month to fly from Denver to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 437. If you are unable to visit Region of Ontario during the month of January, then departing from Denver during the month March is also very affordable. Most momondo users find prices during this month for around C$ 444.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from Denver to Region of Ontario is on a Monday. Travellers who choose to depart for Region of Ontario on a Monday will often find tickets for as low as C$ 524. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 843.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from Denver to Region of Ontario during this time can be as low as C$ 524. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,284 on average. Flights to Region of Ontario from Denver at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Denver Intl to Ontario flight route?

Fly from Denver Intl to Toronto Pearson Intl for the best Denver Intl - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 695 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Denver for as low as C$ 524 on momondo.

What cabin class options are available on Denver Intl to Ontario flights?

There are 3 cabin classes available to choose from on Denver Intl to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Region of Ontario flights?

You could potentially save up to 59% on your flight if you consider stops on a Denver to Region of Ontario flight.

Cheap Denver to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Region of Ontario

Fastest flight time

3h 10m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The fastest flight from Denver to Region of Ontario takes 3h 10m
Direct flights go from Denver to Region of Ontario every day.
There are 123 airports in Region of Ontario. From Denver there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).
Search flight deals

  • When did momondo last update prices for flights from Denver Intl Airport to Ontario?

    Prices for flights from Denver Intl Airport to Ontario were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to Ontario?

  • How old do you have to be to fly from Denver Intl Airport to Ontario?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Denver to Region of Ontario?

Best airlines flying from Denver to Region of Ontario

Compare and see reviews for airlines that fly from Denver to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 243Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 286Free CancellationRating
7.1
10,600 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Ontario . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Ontario with flexible booking policies on momondo?

All flight searches from Denver to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Denver to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Denver to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/2
Fri 13/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo
Flights to Torontofrom C$ 109
Flights to Vancouverfrom C$ 74
Flights to Montrealfrom C$ 58
Flights to Calgaryfrom C$ 79
Flights to Ottawafrom C$ 101
Flights to Winnipegfrom C$ 118
Flights to Halifaxfrom C$ 58
Flights to Kelownafrom C$ 85
Flights to Saskatoonfrom C$ 149
Flights to Reginafrom C$ 172
Flights to St. John'sfrom C$ 208
Flights to Québec Cityfrom C$ 316