Is United Airlines the cheapest airline to fly with from Toronto to Denver?

With an average price of C$ 730 return, United Airlines is not the cheapest airline to fly from Toronto to Denver with. Instead, for the lowest price, our data suggests flying with WestJet, where a return flight costs C$ 412 on average.

What is the cheapest United Airlines flight from Toronto to Denver?

In the last 3 days, the lowest price for a flight with United Airlines from Toronto to Denver was C$ 364 for a return flight and C$ 250 for a one-way flight.

Does United Airlines fly direct to Denver from Toronto?

Yes, United Airlines does offer direct flights for the route, with around 21 flights per week.

What’s the cheapest day of the week to fly from Toronto to Denver with United Airlines?

On average, the cheapest day of the week to fly from Toronto to Denver with United Airlines is Thursday, when prices are around C$ 336. The most expensive day is generally Friday, when the average price is around C$ 521.

What’s the cheapest month to fly from Toronto to Denver with United Airlines?

The cheapest month for United Airlines flights to Denver from Toronto is generally December, where plane tickets cost C$ 384 on average. If possible, try to avoid the most expensive months of June and January, when tickets cost C$ 678 and C$ 795 respectively.

C$ 336 Cheap United Airlines Flights from Toronto to Denver

Flight Deals

Cheap United Airlines Flight Deals from Toronto to Denver

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip United Airlines flight deals from Toronto to Denver

Sun, 24 May - Sun, 31 May

10:15 a.m. - 12:01 p.m.

YYZ

DEN

3h 46mdirect

4:20 p.m. - 9:34 p.m.

DEN

YYZ

3h 14mdirect

C$ 577United Airlines

Mon, 16 Mar - Tue, 17 Mar

4:10 p.m. - 6:10 p.m.

YYZ

DEN

4h 00mdirect

7:45 a.m. - 4:02 p.m.

DEN

YYZ

6h 17m

1 stop

C$ 588United Airlines

Thu, 19 Mar - Mon, 23 Mar

4:10 p.m. - 6:10 p.m.

YYZ

DEN

4h 00mdirect

7:20 p.m. - 2:20 p.m.

DEN

YYZ

17h 00m

1 stop

C$ 596United Airlines

Thu, 12 Mar - Thu, 19 Mar

4:10 p.m. - 6:10 p.m.

YYZ

DEN

4h 00mdirect

5:00 a.m. - 2:20 p.m.

DEN

YYZ

7h 20m

1 stop

C$ 598United Airlines

Fri, 20 Mar - Mon, 23 Mar

4:10 p.m. - 6:10 p.m.

YYZ

DEN

4h 00mdirect

9:06 p.m. - 2:20 p.m.

DEN

YYZ

15h 14m

1 stop

C$ 599United Airlines

Sun, 12 Apr - Sun, 12 Apr

9:44 a.m. - 4:28 p.m.

YYZ

DEN

8h 44m

1 stop

11:59 p.m. - 10:04 a.m.

DEN

YYZ

8h 05m

1 stop

C$ 606United Airlines

Fri, 6 Mar - Sun, 8 Mar

4:10 p.m. - 6:10 p.m.

YYZ

DEN

4h 00mdirect

6:10 a.m. - 6:57 p.m.

DEN

YYZ

10h 47m

1 stop

C$ 673United Airlines

Thu, 14 May - Sun, 17 May

10:45 a.m. - 12:40 p.m.

YYZ

DEN

3h 55mdirect

9:55 a.m. - 3:14 p.m.

DEN

YYZ

3h 19mdirect

C$ 677United Airlines

Thu, 5 Mar - Sun, 8 Mar

6:10 a.m. - 12:50 p.m.

YYZ

DEN

8h 40m

1 stop

9:51 a.m. - 3:02 p.m.

DEN

YYZ

3h 11mdirect

C$ 698United Airlines

Thu, 5 Mar - Sun, 8 Mar

10:45 a.m. - 4:45 p.m.

YYZ

DEN

8h 00m

1 stop

9:51 a.m. - 3:02 p.m.

DEN

YYZ

3h 11mdirect

C$ 701United Airlines

Useful Info

Low season	January
High season	February
Cheapest flight	C$ 336
Average price round-trip	C$ 802
Good deal round-trip	C$ 682

Best time to beat the crowds but there is an average 67% increase in price.

Most popular time to fly (29% more expensive on average)

Flight from Toronto Pearson Airport to Denver

(avg. price over the last 2 weeks)

or less

When to Book Flights with United Airlines from Toronto to Denver

Average price per month

Flight prices as travel date approaches

Is United Airlines the cheapest airline to fly with from Toronto to Denver?
With an average price of C$ 730 return, United Airlines is not the cheapest airline to fly from Toronto to Denver with. Instead, for the lowest price, our data suggests flying with WestJet, where a return flight costs C$ 412 on average.
What is the cheapest United Airlines flight from Toronto to Denver?
In the last 3 days, the lowest price for a flight with United Airlines from Toronto to Denver was C$ 364 for a return flight and C$ 250 for a one-way flight.
Does United Airlines fly direct to Denver from Toronto?
Yes, United Airlines does offer direct flights for the route, with around 21 flights per week.
What’s the cheapest day of the week to fly from Toronto to Denver with United Airlines?
On average, the cheapest day of the week to fly from Toronto to Denver with United Airlines is Thursday, when prices are around C$ 336. The most expensive day is generally Friday, when the average price is around C$ 521.
What’s the cheapest month to fly from Toronto to Denver with United Airlines?
The cheapest month for United Airlines flights to Denver from Toronto is generally December, where plane tickets cost C$ 384 on average. If possible, try to avoid the most expensive months of June and January, when tickets cost C$ 678 and C$ 795 respectively.

7.4

Good9,289 verified ratings

6.6Food

7.3Comfort

7.7Boarding

8.1Crew

7.1Entertainment

10.0 Wonderful

Srinivas, Feb 2026

BOS

IAH

Very old flight - time to retire it for newer airplanes

2.0 Poor

Melanie, Feb 2026

BOS

EWR

2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight

2.0 Poor

Christopher, Feb 2026

BOS

EWR

Flight landed 2 hours late

10.0 Wonderful

Verified traveller, Feb 2026

AMS

ORD

No real complaints. The in flight food was much better than I expected. The in flight entertainment was excellent.

10.0 Wonderful

Maria, Feb 2026

YEG

IAH

From pre boarding to flight attendant, crew and baggage handler, excellent. Didn’t lost my luggage like West jet.

2.0 Poor

Annie Caroline, Feb 2026

SFO

LAX

Very disappointing given gate agent behavior. Filed a formal complaint with United.

6.0 Okay

Irene, Feb 2026

SAT

IAH

Do not like the size of the overhead bin. I think staff should monitor the size of suitcases that are being carried on by passengers to ensure they meet the size requirement.

8.0 Very good

Darly, Feb 2026

LAX

ORD

Crew was great (professional, attentive, prompt). Snacks for 4 hrs flight is deplorable.

2.0 Poor

Darly, Feb 2026

FAT

LAX

Flight delayed. WiFi connectivity very poor if not existant. Last minute arrival forced me to run to catch my connection.

8.0 Very good

Verified traveller, Feb 2026

HND

LAX

Good. Did not feel like a 12 hour flight

Everything you need to know for your flight from Toronto to Denver

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YTO - DEN

C$ 336 Find Cheap United Airlines Flights from Toronto to Denver

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Cheap United Airlines Flight Deals from Toronto to Denver

Recent round-trip United Airlines flight deals from Toronto to Denver

Recent one-way United Airlines flight deals from Toronto to Denver

Recent last minute United Airlines flight deals from Toronto to Denver

Recent direct United Airlines flight deals from Toronto to Denver

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When to Book Flights with United Airlines from Toronto to Denver

FAQs for flying to Denver with United Airlines

Is United Airlines the cheapest airline to fly with from Toronto to Denver?

With an average price of C$ 730 return, United Airlines is not the cheapest airline to fly from Toronto to Denver with. Instead, for the lowest price, our data suggests flying with WestJet, where a return flight costs C$ 412 on average.

What is the cheapest United Airlines flight from Toronto to Denver?

In the last 3 days, the lowest price for a flight with United Airlines from Toronto to Denver was C$ 364 for a return flight and C$ 250 for a one-way flight.

Does United Airlines fly direct to Denver from Toronto?

Yes, United Airlines does offer direct flights for the route, with around 21 flights per week.

What’s the cheapest day of the week to fly from Toronto to Denver with United Airlines?

On average, the cheapest day of the week to fly from Toronto to Denver with United Airlines is Thursday, when prices are around C$ 336. The most expensive day is generally Friday, when the average price is around C$ 521.

What’s the cheapest month to fly from Toronto to Denver with United Airlines?

The cheapest month for United Airlines flights to Denver from Toronto is generally December, where plane tickets cost C$ 384 on average. If possible, try to avoid the most expensive months of June and January, when tickets cost C$ 678 and C$ 795 respectively.

United Airlines Customer Reviews

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Everything you need to know for your flight from Toronto to Denver

Other airlines flying from Toronto to Denver

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Cabin class types available on flights to Denver

Cabin classes available on flights to Toronto. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Complete your trip to Denver with a hotel stay or car rental

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The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

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Top United Airlines flights

The most popular destinations for flights with United Airlines according to clicks from KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.