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Niagara Falls

$94+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(Kiwi.com)

One-way from

$94
(Trip.com)

Popular in

November

Cheapest in

March

Average price

$370
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. 6% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/67:40 pmDEN - YYZ
1 stop8h 32mWestJet
Sun 6/811:00 amYYZ - DEN
1 stop9h 52mWestJet
Deal found 4/30$239
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/2712:15 pmDEN - YYZ
1 stop8h 39mMultiple Airlines
Tue 7/112:00 pmYYZ - DEN
2 stops18h 01mMultiple Airlines
Deal found 4/30$316
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:55 pmDEN - YYZ
1 stop15h 43mSun Country Air
Sun 9/217:30 amYYZ - DEN
1 stop10h 13mSun Country Air
Deal found 4/29$339
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/78:00 amCOS - YYZ
1 stop5h 11mUnited Airlines
Sat 6/146:20 pmYYZ - COS
1 stop5h 31mUnited Airlines
Deal found 4/30$399
This American Airlines deal was found by Cheapflights users on 4/30. 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 6/612:01 pmCOS - YYZ
1 stop9h 27mAmerican Airlines
Sat 6/146:49 amYYZ - COS
1 stop11h 22mAmerican Airlines
Deal found 4/30$427
This Delta deal was found by Cheapflights users on 4/30. 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.
Fri 6/1310:57 amCOS - YYZ
2 stops9h 02mDelta
Fri 6/2010:20 amYYZ - COS
2 stops13h 15mDelta
Deal found 4/30$442
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/167:27 amDEN - YYZ
1 stop14h 02mAmerican Airlines
Fri 9/196:24 pmYYZ - DEN
1 stop15h 58mAmerican Airlines
Deal found 4/30$456
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:45 amDEN - YYZ
Nonstop3h 11mAir Canada
Sat 6/218:40 amYYZ - DEN
Nonstop3h 40mAir Canada
Deal found 4/29$514
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 6/1012:55 amDEN - YYZ
1 stop8h 23mDelta
Tue 6/1712:08 pmYYZ - DEN
1 stop12h 38mDelta
Deal found 4/30$519
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/2810:10 amDEN - YYZ
1 stop4h 53mUnited Airlines
Wed 6/46:20 pmYYZ - DEN
Nonstop3h 45mUnited Airlines
Deal found 4/30$553
This Air Canada deal was found by Cheapflights users on 4/30. 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 4/303:30 pmCOS - YYZ
1 stop5h 18mAir Canada
Sun 5/46:20 pmYYZ - COS
1 stop16h 24mAir Canada
Deal found 4/30$732
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/148:50 amEGE - YYZ
1 stop12h 17mUnited Airlines
Sat 6/218:15 amYYZ - EGE
1 stop11h 48mUnited Airlines
Deal found 4/30$765

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 May 1, 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

Fri 6/6

7:40 pm-6:12 am

1 stop8h 32m

Toronto Pearson Intl

Sun 6/8

11:00 am-6:52 pm

1 stop9h 52m

$239

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 6/27

12:15 pm-10:54 pm

1 stop8h 39m

Toronto Pearson Intl

Tue 7/1

12:00 pm-4:01 am

2 stops18h 01m

$316

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 9/18

5:55 pm-11:38 am

1 stop15h 43m

Toronto Pearson Intl

Sun 9/21

7:30 am-3:43 pm

1 stop10h 13m

$339

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 6/7

8:00 am-3:11 pm

1 stop5h 11m

Toronto Pearson Intl

Sat 6/14

6:20 pm-9:51 pm

1 stop5h 31m

$399

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Fri 6/6

12:01 pm-11:28 pm

1 stop9h 27m

Toronto Pearson Intl

Sat 6/14

6:49 am-4:11 pm

1 stop11h 22m

$427

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Fri 6/13

10:57 am-9:59 pm

2 stops9h 02m

Toronto Pearson Intl

Fri 6/20

10:20 am-9:35 pm

2 stops13h 15m

$442

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 9/16

7:27 am-11:29 pm

1 stop14h 02m

Toronto Pearson Intl

Fri 9/19

6:24 pm-8:22 am

1 stop15h 58m

$456

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 6/14

7:45 am-12:56 pm

Nonstop3h 11m

Toronto Pearson Intl

Sat 6/21

8:40 am-10:20 am

Nonstop3h 40m

$514

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 6/10

12:55 am-11:18 am

1 stop8h 23m

Toronto Pearson Intl

Tue 6/17

12:08 pm-10:46 pm

1 stop12h 38m

$519

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 5/28

10:10 am-5:03 pm

1 stop4h 53m

Toronto Pearson Intl

Wed 6/4

6:20 pm-8:05 pm

Nonstop3h 45m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 23 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 July is currently the most expensive (average of $359). 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 May 1, 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 May 1, 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 (4 on average).

Rainfall in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Niagara Falls ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Niagara Falls when rainfall is around 2.0 in.

Temperature in Niagara Falls by month

Plan your trip to Niagara Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Niagara Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Niagara Falls. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Colorado to Niagara Falls, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,826 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $94 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Sun Country Air and American Airlines, with prices starting from $176 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 (76%), Air Canada (68%), United Airlines( 68%).

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

    The cheapest flight price from Colorado to Niagara Falls is $120. On average you can expect to pay $967. The most popular route, (Denver Intl - Toronto Pearson Intl), can usually be booked for $291.

  • 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 July is currently the most expensive (average of $359). 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.

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$130Average$428FlexibilityNo cancel feeOn-time67%
DeltaCheapest$144Average$255FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$160Average$596FlexibilityNo cancel feeOn-time69%
WestJetCheapest$265Average$394FlexibilityNo cancel feeOn-time60%

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