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Niagara Falls

$94+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/1511:59 pmDEN - YYZ
1 stop12h 21mMultiple Airlines
Wed 12/179:35 amYYZ - DEN
1 stop14h 54mMultiple Airlines
Deal found 12/3$311
This American Airlines deal was found by Cheapflights users on 12/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amDEN - YYZ
1 stop13h 57mAmerican Airlines
Mon 1/127:04 pmYYZ - DEN
1 stop17h 45mAmerican Airlines
Deal found 12/4$370
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/186:00 amDEN - YYZ
2 stops37h 19mMultiple Airlines
Sat 1/107:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 12/4$374
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/146:00 amDEN - YYZ
2 stops30h 20mMultiple Airlines
Tue 12/169:35 amYYZ - DEN
1 stop14h 54mMultiple Airlines
Deal found 12/3$379
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/306:25 amDEN - YYZ
2 stops23h 30mMultiple Airlines
Mon 1/1210:15 amYYZ - DEN
1 stop30h 10mMultiple Airlines
Deal found 12/4$394
This Air Canada deal was found by Cheapflights users on 12/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:30 pmDEN - YYZ
Nonstop3h 11mAir Canada
Wed 12/312:50 pmYYZ - DEN
Nonstop3h 50mAir Canada
Deal found 12/3$417
This Air Canada deal was found by Cheapflights users on 12/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:05 pmDEN - YYZ
1 stop8h 54mAir Canada
Wed 12/318:30 amYYZ - DEN
Nonstop3h 53mAir Canada
Deal found 12/3$422
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/2410:29 pmDEN - YYZ
2 stops29h 51mMultiple Airlines
Fri 1/27:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 12/2$425
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/2410:37 pmDEN - YYZ
1 stop30h 10mMultiple Airlines
Wed 12/317:40 amYYZ - DEN
2 stops16h 09mMultiple Airlines
Deal found 12/3$429
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Sat 12/2011:59 pmDEN - YYZ
1 stop19h 20mMultiple Airlines
Sat 1/1010:15 pmYYZ - DEN
2 stops31h 43mMultiple Airlines
Deal found 12/3$434
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/316:02 amDEN - YYZ
1 stop31h 33mMultiple Airlines
Wed 1/76:20 pmYYZ - DEN
1 stop9h 03mMultiple Airlines
Deal found 12/3$436
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/2112:11 pmCOS - YYZ
1 stop9h 48mUnited Airlines
Sat 1/36:10 amYYZ - COS
1 stop17h 44mUnited Airlines
Deal found 12/3$685

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$302
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$530
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
Search Deals
One-way flight from Colorado to Niagara Falls
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($83 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 December 2025
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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 December 4, 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

Mon 1/19

6:00 am-7:55 pm

1 stop11h 55m

Toronto Pearson Intl

Sun 1/25

8:00 pm-9:01 am

1 stop15h 01m

$310

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 1/16

6:00 am-7:42 pm

1 stop11h 42m

Toronto Pearson Intl

Thu 1/22

8:00 pm-9:01 am

1 stop15h 01m

$315

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 1/16

7:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

Sun 1/25

4:45 pm-12:38 pm

1 stop21h 53m

$327

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 1/21

5:09 pm-3:35 pm

1 stop20h 26m

Toronto Pearson Intl

Fri 1/23

4:45 pm-12:38 pm

1 stop21h 53m

$338

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 2/5

11:49 am-3:35 pm

2 stops25h 46m

Toronto Pearson Intl

Sun 2/8

4:45 pm-10:53 am

2 stops20h 08m

$352

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 1/23

11:49 am-3:35 pm

2 stops25h 46m

Toronto Pearson Intl

Sun 1/25

4:45 pm-6:41 pm

2 stops27h 56m

$357

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 1/11

11:49 am-3:35 pm

2 stops25h 46m

Toronto Pearson Intl

Fri 1/16

4:45 pm-12:38 pm

1 stop21h 53m

$372

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 1/15

6:11 pm-6:47 am

1 stop10h 36m

Toronto Pearson Intl

Sun 1/25

6:00 am-2:05 pm

2 stops10h 05m

$373

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 1/16

11:49 am-3:35 pm

2 stops25h 46m

Toronto Pearson Intl

Wed 1/21

4:45 pm-6:41 pm

2 stops27h 56m

$376

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 2/2

11:49 am-3:35 pm

2 stops25h 46m

Toronto Pearson Intl

Sat 2/7

4:45 pm-10:53 am

2 stops20h 08m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 48 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 February is currently the most expensive (average of $232). 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 December 4, 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 34% 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 December 4, 2025.

The most flights from USCO to NI4 are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, 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 5h 32m. The distance between Colorado and Niagara Falls is about 1339 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to Niagara Falls one-way?

    $175 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $193 and $218, respectively.

  • 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: Austrian Airlines (87%), United Airlines (81%), Air Canada( 81%).

  • 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 $699. The most popular route, (Denver Intl - Toronto Pearson Intl), can usually be booked for $245.

  • 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 February is currently the most expensive (average of $232). 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$176FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$530FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$218Average$546FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%

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