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Niagara Falls

$100+ Cheap flights from Colorado to Niagara Falls, 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
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 octubre 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(Kiwi.com)

One-way from

$100
(Trip.com)

Popular in

November

Cheapest in

March

Average price

$533
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. 2% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
vie. 12/56:00 amDEN - YYZ
1 stop13h 23mMultiple Airlines
lun. 12/810:00 amYYZ - DEN
1 stop26h 33mMultiple Airlines
Deal found 10/15$274
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
vie. 12/56:00 amDEN - YYZ
1 stop13h 23mMultiple Airlines
dom. 12/710:00 amYYZ - DEN
1 stop26h 12mMultiple Airlines
Deal found 10/15$276
This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
jue. 11/137:00 amDEN - YYZ
1 stop11h 32mMultiple Airlines
jue. 11/2010:00 amYYZ - DEN
1 stop10h 28mMultiple Airlines
Deal found 10/16$277
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
mié. 11/1210:55 pmDEN - YYZ
1 stop20h 25mMultiple Airlines
mié. 11/1910:55 amYYZ - DEN
1 stop14h 21mMultiple Airlines
Deal found 10/14$278
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
mar. 10/2810:29 pmDEN - YYZ
2 stops23h 57mMultiple Airlines
mié. 11/1910:55 amYYZ - DEN
1 stop14h 21mMultiple Airlines
Deal found 10/14$281
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
lun. 10/2712:16 amDEN - YYZ
1 stop11h 49mMultiple Airlines
dom. 11/21:30 pmYYZ - DEN
2 stops22h 48mMultiple Airlines
Deal found 10/14$291
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
lun. 11/176:36 pmDEN - YYZ
2 stops17h 04mMultiple Airlines
mié. 11/1910:00 amYYZ - DEN
1 stop10h 25mMultiple Airlines
Deal found 10/14$292
This Delta deal was found by Cheapflights users on 10/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/201:42 pmCOS - YYZ
1 stop6h 17mDelta
lun. 11/247:40 amYYZ - COS
1 stop6h 57mDelta
Deal found 10/15$504
This American Airlines deal was found by Cheapflights users on 10/15. 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.
mié. 12/3112:25 pmCOS - YYZ
1 stop20h 31mAmerican Airlines
mié. 1/74:44 pmYYZ - COS
1 stop21h 24mAmerican Airlines
Deal found 10/15$508
This American Airlines deal was found by Cheapflights users on 10/15. 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.
jue. 11/204:37 pmCOS - YYZ
1 stop18h 35mAmerican Airlines
lun. 11/2410:57 amYYZ - COS
2 stops11h 30mAmerican Airlines
Deal found 10/15$514
This American Airlines deal was found by Cheapflights users on 10/16. 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.
vie. 11/215:45 amCOS - YYZ
2 stops10h 42mAmerican Airlines
lun. 11/2410:57 amYYZ - COS
2 stops11h 30mAmerican Airlines
Deal found 10/16$578
This United Airlines deal was found by Cheapflights users on 10/15. 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.
jue. 11/279:29 amCOS - YYZ
1 stop9h 52mUnited Airlines
lun. 12/14:10 pmYYZ - COS
1 stop7h 49mUnited Airlines
Deal found 10/15$611

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 octubre 16, 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

mié. 11/12

8:02 pm-3:35 pm

1 stop17h 33m

Toronto Pearson Intl

vie. 11/14

4:45 pm-11:59 pm

1 stop9h 14m

$360

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

sáb. 12/6

3:42 pm-3:35 pm

1 stop21h 53m

Toronto Pearson Intl

lun. 12/8

4:45 pm-11:59 pm

1 stop9h 14m

$363

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

jue. 12/4

8:20 pm-3:35 pm

1 stop17h 15m

Toronto Pearson Intl

lun. 12/8

4:45 pm-11:44 am

1 stop20h 59m

$363

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

sáb. 11/22

6:24 pm-6:20 am

1 stop9h 56m

Toronto Pearson Intl

sáb. 11/29

7:55 pm-3:58 am

1 stop10h 03m

$378

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

lun. 11/17

6:46 pm-3:35 pm

2 stops18h 49m

Toronto Pearson Intl

mié. 11/19

4:45 pm-11:34 am

2 stops20h 49m

$383

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

jue. 2/12

7:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

mar. 2/17

4:45 pm-7:19 pm

1 stop28h 34m

$393

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

mié. 11/12

11:31 am-3:35 pm

2 stops26h 04m

Toronto Pearson Intl

mié. 11/19

4:45 pm-11:34 am

2 stops20h 49m

$394

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

mar. 11/11

7:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

mar. 11/18

4:45 pm-10:35 am

2 stops19h 50m

$398

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

mar. 2/10

7:00 am-3:35 pm

1 stop30h 35m

Toronto Pearson Intl

sáb. 2/21

4:45 pm-6:33 pm

2 stops27h 48m

$402

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

mié. 1/7

8:04 am-3:35 pm

2 stops29h 31m

Toronto Pearson Intl

sáb. 1/10

4:45 pm-11:59 pm

2 stops33h 14m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 42 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 octubre 16, 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 octubre 16, 2025.

The most flights from USCO to NI4 are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 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 6h 17m. 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 Vail Eagle 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: Brussels Airlines (79%), Austrian Airlines (74%), Air Canada( 73%).

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

    The cheapest flight price from Colorado to Niagara Falls is $175. On average you can expect to pay $678. The most popular route, (Denver Intl - Toronto Pearson Intl), can usually be booked for $244.

  • 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 octubre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$176FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$535FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$222Average$543FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%

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