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Niagara Falls

$95+ Cheap flights from Colorado to Niagara Falls, ON, Canada

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
Dec 23 — Dec 301
Tue 12/23
Tue 12/30
1 adult, Economy
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Cheap flight deals from Colorado to Niagara Falls

Keep the following information in mind while searching for Colorado to Niagara Falls flight deals. Data was last updated November 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$344
(Kiwi.com)

One-way from

$95
(Trip.com)

Popular in

November

Cheapest in

March

Average price

$683
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
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From Colorado to Niagara Falls
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One-way flight from Colorado to Niagara Falls
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Highest demand for flights based on searches. 15% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Colorado to Niagara Falls

Cheapest flights from Colorado to Niagara Falls
Explore the most affordable flight options available from Colorado to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:35 amDEN - YYZ
2 stops35h 20mMultiple Airlines
Thu 1/17:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 11/22$344
This Kiwi.com deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:45 pmDEN - YYZ
2 stops22h 22mMultiple Airlines
Fri 12/57:55 pmYYZ - DEN
1 stop15h 09mMultiple Airlines
Deal found 11/21$350
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amDEN - YYZ
2 stops12h 32mMultiple Airlines
Wed 12/109:35 amYYZ - DEN
1 stop14h 54mMultiple Airlines
Deal found 11/20$354
This Kiwi.com deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 amDEN - YYZ
2 stops11h 40mMultiple Airlines
Thu 1/17:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 11/22$357
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:59 amDEN - YYZ
2 stops14h 54mMultiple Airlines
Fri 12/127:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 11/20$364
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:59 pmDEN - YYZ
1 stop9h 44mMultiple Airlines
Fri 12/127:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 11/20$366
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:59 amDEN - YYZ
2 stops11h 21mMultiple Airlines
Fri 12/127:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 11/20$370
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:07 amDEN - YYZ
1 stop10h 48mMultiple Airlines
Thu 12/1112:40 pmYYZ - DEN
1 stop9h 32mMultiple Airlines
Deal found 11/20$372
This Kiwi.com deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:59 pmDEN - YYZ
1 stop9h 44mMultiple Airlines
Sun 12/147:55 pmYYZ - DEN
2 stops40h 17mMultiple Airlines
Deal found 11/21$374
This Kiwi.com deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:59 pmDEN - YYZ
2 stops33h 44mMultiple Airlines
Thu 12/117:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 11/21$378
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:22 pmCOS - YYZ
2 stops36h 58mMultiple Airlines
Mon 12/299:35 amYYZ - COS
1 stop30h 57mMultiple Airlines
Deal found 11/20$638
This United Airlines deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:22 amCOS - YYZ
1 stop10h 19mUnited Airlines
Sat 1/38:30 amYYZ - COS
1 stop11h 15mUnited Airlines
Deal found 11/22$676

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Niagara Falls 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, Cheapflights users made 2,558,603 searches. Data last updated November 23, 2025.
Use the filters below to find and compare flights from Colorado to Niagara Falls that are best for you.

Fly from

Colorado

Fly to

Niagara Falls

Route

Depart

Return

Price

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 12/25

6:15 am-7:55 pm

2 stops11h 40m

Toronto Pearson Intl

Thu 1/1

7:55 pm-3:58 am

1 stop10h 03m

$357

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 1/5

6:48 pm-3:35 pm

2 stops18h 47m

Toronto Pearson Intl

Fri 1/9

4:45 pm-11:35 pm

1 stop32h 50m

$402

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Wed 1/7

1:06 pm-12:34 pm

1 stop21h 28m

Toronto Pearson Intl

Wed 1/14

6:14 am-2:09 pm

1 stop9h 55m

$412

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Tue 1/6

3:17 pm-10:14 am

2 stops16h 57m

Toronto Pearson Intl

Tue 1/13

1:14 pm-12:09 pm

1 stop24h 55m

$422

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 4/11

9:59 am-7:55 pm

1 stop7h 56m

Toronto Pearson Intl

Wed 4/15

4:45 pm-11:33 pm

1 stop8h 48m

$441

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 2/6

11:49 am-3:35 pm

2 stops25h 46m

Toronto Pearson Intl

Fri 2/13

4:45 pm-10:42 am

2 stops19h 57m

$448

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 1/14

12:34 pm-3:35 pm

2 stops25h 01m

Toronto Pearson Intl

Fri 1/16

4:45 pm-11:58 pm

2 stops33h 13m

$448

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Thu 1/22

11:43 am-11:59 pm

1 stop10h 16m

Toronto Pearson Intl

Mon 1/26

6:30 pm-11:02 am

1 stop18h 32m

$460

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 3/1

11:38 am-3:35 pm

2 stops25h 57m

Toronto Pearson Intl

Wed 3/4

4:45 pm-10:42 am

2 stops19h 57m

$478

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 1/11

6:00 am-11:09 pm

1 stop15h 09m

Toronto Pearson Intl

Mon 1/12

9:00 am-8:13 pm

1 stop13h 13m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 29 results
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Best time to book a flight from Colorado to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Niagara Falls

What is the cheapest month to book a flight from Colorado to Niagara Falls?

Currently, June is the cheapest month in which you can book a flight from Colorado to Niagara Falls (average of $129). Flying from Colorado to Niagara Falls in January is currently the most expensive (average of $246). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to NI4?

Find hourly flight availability from Colorado to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 23, 2025.

When flying from Colorado to Niagara Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 33% versus a flight at noon.

Weekly flight availability from Colorado to Niagara Falls

Explore weekly flight availability from Colorado to Niagara Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 23, 2025.

The most flights from USCO to NI4 are scheduled on a Friday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

Find useful and relevant information for your journey from Colorado to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado to Niagara Falls?

    Departing from Colorado to Niagara Falls will take you 10h 16m. The distance between Colorado and Niagara Falls is about 1339 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Colorado to Niagara Falls?

    While some choose either Colorado Springs - Toronto Pearson Intl or Durango La Plata County - Toronto Pearson Intl, Denver Intl - Toronto Pearson Intl is the most popular route from Colorado to Niagara Falls.

  • What are the most reliable airlines from Colorado to Niagara Falls?

    Before booking your flight to Niagara Falls from Colorado, check out the most reliable airlines to get you to your destination on time: Air Canada (78%), United Airlines (78%), Brussels Airlines( 78%).

  • What are the cheapest flights from Colorado to Niagara Falls?

    The cheapest flight price from Colorado to Niagara Falls is $225. On average you can expect to pay $548. The most popular route, (Denver Intl - Toronto Pearson Intl), can usually be booked for $252.

  • Can I find deals for flights from Colorado to Niagara Falls that include hotel bookings?

    Yes. In addition to deals on Colorado to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Niagara Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Niagara Falls.

  • Can I find deals for business class flights from Colorado to Niagara Falls?

    Yes. Cheapflights offers flight deals from Colorado to Niagara Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Niagara Falls?

    Currently, June is the cheapest month in which you can book a flight from Colorado to Niagara Falls (average of $129). Flying from Colorado to Niagara Falls in January is currently the most expensive (average of $246). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Colorado to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Colorado to Niagara Falls

Discover the top 4 airlines that operate flights from Colorado to Niagara Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$176FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$532FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$221Average$545FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%

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