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Niagara Falls

$172+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$217
(Kiwi.com)

One-way from

$172
(United Airlines)

Popular in

February

Cheapest in

March

Average price

$478
From Colorado to Niagara Falls
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One-way flight from Colorado to Niagara Falls
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High demand for flights, 26% potential price rise
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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 September 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/228:21 pmDEN - YYZ
1 stop22h 46mMultiple Airlines
Sun 10/264:00 pmYYZ - DEN
1 stop18h 12mMultiple Airlines
Deal found 9/15$217
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/158:21 pmDEN - YYZ
1 stop22h 46mMultiple Airlines
Wed 10/229:45 amYYZ - DEN
1 stop15h 25mMultiple Airlines
Deal found 9/15$221
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/228:21 pmDEN - YYZ
1 stop22h 46mMultiple Airlines
Fri 10/248:05 pmYYZ - DEN
1 stop9h 54mMultiple Airlines
Deal found 9/15$226
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/1410:29 pmDEN - YYZ
2 stops22h 23mMultiple Airlines
Mon 10/204:00 pmYYZ - DEN
1 stop18h 12mMultiple Airlines
Deal found 9/15$229
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/228:21 pmDEN - YYZ
1 stop22h 46mMultiple Airlines
Tue 10/281:30 pmYYZ - DEN
2 stops16h 29mMultiple Airlines
Deal found 9/15$232
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/247:00 amDEN - YYZ
1 stop12h 07mMultiple Airlines
Wed 10/2912:30 pmYYZ - DEN
2 stops17h 29mMultiple Airlines
Deal found 9/15$234
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/247:00 amDEN - YYZ
1 stop12h 07mMultiple Airlines
Thu 10/309:45 amYYZ - DEN
1 stop10h 48mMultiple Airlines
Deal found 9/15$237
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/217:00 amDEN - YYZ
2 stops13h 52mMultiple Airlines
Sun 10/264:00 pmYYZ - DEN
1 stop18h 12mMultiple Airlines
Deal found 9/15$239
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/319:05 amDEN - YYZ
1 stop8h 55mMultiple Airlines
Sun 11/28:00 pmYYZ - DEN
1 stop29h 16mMultiple Airlines
Deal found 9/15$240
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/36:02 amCOS - YYZ
1 stop14h 48mAmerican Airlines
Sun 10/56:49 amYYZ - COS
1 stop7h 14mAmerican Airlines
Deal found 9/15$399
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 10/116:00 amCOS - YYZ
2 stops12h 42mDelta
Tue 10/1411:52 amYYZ - COS
1 stop10h 38mDelta
Deal found 9/15$408
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amCOS - YYZ
1 stop8h 50mDelta
Sat 11/112:25 pmYYZ - COS
1 stop7h 46mDelta
Deal found 9/16$414

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 September 17, 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

Sat 10/25

12:00 pm-9:07 pm

1 stop7h 07m

Toronto Pearson Intl

Sat 11/1

4:45 pm-11:57 pm

1 stop9h 12m

$317

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 10/21

1:25 pm-6:35 pm

Nonstop3h 10m

Toronto Pearson Intl

Fri 10/24

9:00 am-5:18 pm

1 stop10h 18m

$379

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 11/1

8:02 pm-4:35 pm

1 stop18h 33m

Toronto Pearson Intl

Sat 11/8

4:45 pm-2:41 pm

1 stop23h 56m

$389

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Fri 10/3

6:02 am-10:50 pm

1 stop14h 48m

Toronto Pearson Intl

Sun 10/5

6:49 am-12:03 pm

1 stop7h 14m

$399

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 10/19

12:55 am-8:55 am

1 stop6h 00m

Toronto Pearson Intl

Fri 10/24

5:50 pm-10:25 pm

1 stop6h 35m

$399

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 10/13

12:50 am-12:10 pm

1 stop9h 20m

Toronto Pearson Intl

Tue 10/21

6:15 am-3:05 pm

1 stop10h 50m

$399

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 10/20

12:50 am-10:42 am

1 stop7h 52m

Toronto Pearson Intl

Fri 10/24

2:30 pm-8:58 pm

1 stop8h 28m

$399

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 10/7

2:00 pm-11:18 pm

1 stop7h 18m

Toronto Pearson Intl

Sat 10/11

1:20 pm-5:49 pm

1 stop6h 29m

$399

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Fri 10/3

1:54 pm-11:32 am

2 stops19h 38m

Toronto Pearson Intl

Sun 10/5

7:00 am-11:15 am

1 stop6h 15m

$408

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 10/11

6:00 am-8:42 pm

2 stops12h 42m

Toronto Pearson Intl

Tue 10/14

11:52 am-8:30 pm

1 stop10h 38m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 39 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, January is the cheapest month in which you can book a flight from Colorado to Niagara Falls (average of $243). Flying from Colorado to Niagara Falls in August is currently the most expensive (average of $348). 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 September 17, 2025.

When flying from Colorado to Niagara Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 2025.

The most flights from USCO to NI4 are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 3h 10m. The distance between Colorado and Niagara Falls is about 1312 mi. This flight may include one or multiple stops.

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

    $172 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Sun Country Air, with prices starting from $172 and $172, respectively.

  • 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: Austrian Airlines (74%), Brussels 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 $182. On average you can expect to pay $1,014. The most popular route, (Denver Intl - Toronto Pearson Intl), can usually be booked for $240.

  • 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, January is the cheapest month in which you can book a flight from Colorado to Niagara Falls (average of $243). Flying from Colorado to Niagara Falls in August is currently the most expensive (average of $348). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$176FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$529FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$224Average$542FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%

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