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Cheap flights from Toronto to Denver from $171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to Denver departing on 6/9. 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
0 bags

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Find the cheapest flights from Toronto to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:10 pm - 11:20 am
YHM
-
DEN
19h 10m
1 stop
WestJet Logo
12:15 pm - 5:15 pm
DEN
-
YHM
27h 00m
1 stop
$414WestJet
Mon, Jun 15 - Tue, Jun 23
Multiple Airlines Logo
1:10 pm - 11:01 pm
YYZ
-
DEN
11h 51m
1 stop
Multiple Airlines Logo
7:43 am - 9:55 pm
DEN
-
YYZ
12h 12m
1 stop
$418Multiple Airlines
Sun, May 31 - Mon, Jun 15
Multiple Airlines Logo
10:25 pm - 11:20 am
YYZ
-
DEN
14h 55m
1 stop
Multiple Airlines Logo
6:20 am - 4:25 pm
DEN
-
YYZ
8h 05m
1 stop
$419Multiple Airlines
Sun, May 31 - Sun, Jun 14
Multiple Airlines Logo
10:25 pm - 11:20 am
YYZ
-
DEN
14h 55m
1 stop
Multiple Airlines Logo
8:46 pm - 8:55 pm
DEN
-
YYZ
22h 09m
1 stop
$420Multiple Airlines
Tue, Jun 16 - Sat, Jun 20
WestJet Logo
8:40 pm - 11:20 am
YKF
-
DEN
16h 40m
1 stop
WestJet Logo
12:15 pm - 7:50 pm
DEN
-
YKF
29h 35m
1 stop
$421WestJet
Tue, Aug 18 - Thu, Aug 20
Multiple Airlines Logo
8:50 am - 11:54 pm
YTZ
-
DEN
17h 04m
1 stop
Multiple Airlines Logo
7:43 am - 4:00 pm
DEN
-
YTZ
6h 17m
1 stop
$421Multiple Airlines
Sat, Jun 20 - Tue, Jun 23
Multiple Airlines Logo
10:25 pm - 11:20 am
YYZ
-
DEN
14h 55m
1 stop
Multiple Airlines Logo
6:10 am - 9:55 pm
DEN
-
YYZ
13h 45m
2 stops
$421Multiple Airlines
Tue, Jun 9 - Thu, Jun 18
Multiple Airlines Logo
10:50 am - 10:37 pm
YTZ
-
DEN
13h 47m
1 stop
Multiple Airlines Logo
7:43 am - 4:00 pm
DEN
-
YTZ
6h 17m
1 stop
$422Multiple Airlines
Mon, Jun 1 - Sat, Jun 20
Multiple Airlines Logo
10:50 am - 10:37 pm
YTZ
-
DEN
13h 47m
1 stop
Multiple Airlines Logo
7:43 am - 4:00 pm
DEN
-
YTZ
6h 17m
1 stop
$423Multiple Airlines
Mon, Jun 1 - Fri, Jun 19
Multiple Airlines Logo
10:25 pm - 11:20 am
YYZ
-
DEN
14h 55m
1 stop
Multiple Airlines Logo
6:10 am - 9:55 pm
DEN
-
YYZ
13h 45m
2 stops
$424Multiple Airlines
Tue, Jun 16 - Thu, Jun 18

Air Canada flights from Toronto to Denver

Our best Air Canada deals on Toronto to Denver flight tickets
Air Canada
Jun 7
YYZ8:45 amToronto Pearson Intl
3h 48m
DEN10:33 amDenver Intl
Jun 13
DEN6:10 pmDenver Intl
3h 13m
YYZ11:23 pmToronto Pearson Intl
$457
Air Canada
May 25
YYZ8:45 amToronto Pearson Intl
3h 48m
DEN10:33 amDenver Intl
May 31
DEN6:10 pmDenver Intl
3h 13m
YYZ11:23 pmToronto Pearson Intl
$458
Air Canada
Jul 15
YYZ8:55 amToronto Pearson Intl
3h 40m
DEN10:35 amDenver Intl
Jul 18
DEN6:10 pmDenver Intl
3h 12m
YYZ11:22 pmToronto Pearson Intl
$464

Delta flights from Toronto to Denver

Our best Delta deals on Toronto to Denver flight tickets
Delta
Jun 10
YYZ6:15 amToronto Pearson Intl
13h 59m
2 stops
DEN6:14 pmDenver Intl
Jun 19
DEN3:15 pmDenver Intl
6h 43m
1 stop
YYZ11:58 pmToronto Pearson Intl
$469
Delta
May 25
YYZ6:15 amToronto Pearson Intl
7h 03m
1 stop
DEN11:18 amDenver Intl
May 28
DEN6:05 amDenver Intl
9h 16m
1 stop
YYZ5:21 pmToronto Pearson Intl
$473
Delta
May 22
YYZ7:45 amToronto Pearson Intl
9h 20m
1 stop
DEN3:05 pmDenver Intl
May 24
DEN8:25 amDenver Intl
6h 10m
1 stop
YYZ4:35 pmToronto Pearson Intl
$627

momondo Fare Finder

 
Customize your flight search to find flights from Toronto to Denver 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 832,500 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Toronto to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Mon 6/15

6:10 pm-11:20 am

1 stop19h 10m

Denver Intl

Tue 6/23

12:15 pm-5:15 pm

1 stop27h 00m

$414

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 5/31

1:10 pm-11:01 pm

1 stop11h 51m

Denver Intl

Mon 6/15

7:43 am-9:55 pm

1 stop12h 12m

$418

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 5/31

10:25 pm-11:20 am

1 stop14h 55m

Denver Intl

Sun 6/14

6:20 am-4:25 pm

1 stop8h 05m

$419

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 6/16

10:25 pm-11:20 am

1 stop14h 55m

Denver Intl

Sat 6/20

8:46 pm-8:55 pm

1 stop22h 09m

$420

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Tue 8/18

8:40 pm-11:20 am

1 stop16h 40m

Denver Intl

Thu 8/20

12:15 pm-7:50 pm

1 stop29h 35m

$421

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sat 6/20

8:50 am-11:54 pm

1 stop17h 04m

Denver Intl

Tue 6/23

7:43 am-4:00 pm

1 stop6h 17m

$421

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 6/9

10:25 pm-11:20 am

1 stop14h 55m

Denver Intl

Thu 6/18

6:10 am-9:55 pm

2 stops13h 45m

$421
Quickest round-trip

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Mon 6/1

10:50 am-10:37 pm

1 stop13h 47m

Denver Intl

Sat 6/20

7:43 am-4:00 pm

1 stop6h 17m

$422

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Mon 6/1

10:50 am-10:37 pm

1 stop13h 47m

Denver Intl

Fri 6/19

7:43 am-4:00 pm

1 stop6h 17m

$423

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 6/16

10:25 pm-11:20 am

1 stop14h 55m

Denver Intl

Thu 6/18

6:10 am-9:55 pm

2 stops13h 45m

$424

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Toronto to Denver

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 typical price of a round-trip flight between Toronto and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Toronto is in August. Flight prices, which tend to average around $130, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until November to fly from Toronto, when ticket prices are also cheap, with an average price of $164.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $466. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $664.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $539. Flights in the afternoon are often more expensive with an average ticket price of $564.

What is the cheapest Toronto to Denver Intl flight route?

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

How far in advance should I book a flight from Toronto to Denver?

You are more likely to see cheaper flights to Denver from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Toronto for as low as $391 on momondo.

Can stopping save me money on Toronto to Denver flights?

You could potentially save up to 36% on your flight if you consider stops on a Toronto to Denver flight.

How have Toronto to Denver flight prices changed over time?

As of May 2026, prices for Toronto to Denver flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Toronto to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto to Denver (YTO to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to Denver

Best Price Found

$257

Fastest flight time

3h 38m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Toronto in the past 72 hours is $257. The best round-trip flight deal from Toronto to Denver found on momondo in the last 72 hours is $489.
The fastest flight from Toronto to Denver takes 3h 38m
Direct flights go from Toronto to Denver every day.
There is 1 airport in Denver. From Toronto there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Toronto to Denver

  • How far is Toronto to Denver Intl by plane?

    There are 1341.6 mi between Toronto and Denver Intl. 3h 38m is a normal flight duration for this route.

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

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

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

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

    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 Toronto to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Toronto to Denver?

  • What is the most popular airline from Toronto to Denver?

Best airlines flying from Toronto to Denver

Compare and see reviews for airlines that fly from Toronto to Denver with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,701 reviews
Search United Airlines flights
Air CanadaPriceFrom $311Free CancellationRating
7.1
11,020 reviews
Search Air Canada flights

  • United Airlines Flights From Toronto to Denver

    United Airlines is one of the most popular airlines flying from Toronto to Denver, operating 28 flights/week on average for this route. A good United Airlines flight deal for Toronto to Denver starts from $218 round-trip, up to an average price of $556. Our users have rated United Airlines at 7.4/10.

  • Air Canada Flights From Toronto to Denver

    Air Canada (7.1/10 from 11,020 reviews) operates around 28 flights from Toronto to Denver in any given week. The average Air Canada airfare for this route is around $455, with deals from around $311 rare but found on momondo. Referenced prices are for round-trip Toronto to Denver flight searches in the last 72 hours.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Boulder
Longmont
Greeley
Keystone
Lakewood
Westminster
Cripple Creek
Thornton
Frisco
Centennial
Englewood
Winter Park
Grand Lake
Copper Mountain

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Toronto to Denver for you.

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

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

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

momondo helps you find the best flight between Toronto and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Denver, momondo offers a useful price alert feature which will track prices for flights to Denver from Toronto and alert you when they change.

An easier way to manage your Denver trip

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