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Niagara Falls

$161+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
jul. 30 — ago. 61
mié. 7/30
mié. 8/6
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 julio 25, 2025.

Round-trip from

$282
(Kiwi.com)

One-way from

$161
(Delta)

Popular in

November

Cheapest in

March

Average price

$518
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 ($33 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 July 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 julio 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/24. 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. 9/512:15 pmDEN - YYZ
1 stop8h 37mMultiple Airlines
mar. 9/93:00 pmYYZ - DEN
2 stops15h 00mMultiple Airlines
Deal found 7/24$282
This Kiwi.com deal was found by Cheapflights users on 7/24. 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. 9/1812:15 pmDEN - YYZ
1 stop8h 37mWestJet
mié. 9/2410:25 pmYYZ - DEN
1 stop14h 59mWestJet
Deal found 7/24$291
This Booking.com deal was found by Cheapflights users on 7/24. 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.
jue. 8/217:45 amDEN - YYZ
Nonstop3h 13mAir Canada
vie. 8/296:20 pmYYZ - DEN
Nonstop3h 40mAir Canada
Deal found 7/24$313
This American Airlines deal was found by Cheapflights users on 7/24. 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.
sáb. 9/1311:59 pmDEN - YYZ
1 stop13h 00mAmerican Airlines
dom. 9/145:59 pmYYZ - DEN
1 stop7h 26mAmerican Airlines
Deal found 7/24$341
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/149:56 amDEN - YYZ
Nonstop3h 15mUnited Airlines
mié. 8/209:44 amYYZ - DEN
Nonstop3h 43mUnited Airlines
Deal found 7/23$361
This Delta deal was found by Cheapflights users on 7/24. 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.
mié. 8/201:10 pmCOS - YYZ
1 stop6h 48mDelta
mié. 8/271:20 pmYYZ - COS
1 stop9h 21mDelta
Deal found 7/24$378
This American Airlines deal was found by Cheapflights users on 7/24. 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. 10/86:02 amCOS - YYZ
2 stops10h 33mAmerican Airlines
mar. 10/1412:46 pmYYZ - COS
2 stops11h 23mAmerican Airlines
Deal found 7/24$393
This United Airlines deal was found by Cheapflights users on 7/24. 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. 8/215:30 amCOS - YYZ
1 stop7h 41mUnited Airlines
sáb. 8/305:15 pmYYZ - COS
1 stop6h 39mUnited Airlines
Deal found 7/24$408
This American Airlines deal was found by Cheapflights users on 7/24. 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. 8/158:15 amEGE - YYZ
1 stop12h 30mAmerican Airlines
mar. 8/195:18 pmYYZ - EGE
2 stops18h 32mAmerican Airlines
Deal found 7/24$804
This Air Canada deal was found by Cheapflights users on 7/23. 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.
mié. 8/67:30 amCOS - YYZ
2 stops9h 09mAir Canada
jue. 8/289:00 amYYZ - COS
2 stops10h 30mAir Canada
Deal found 7/23$830
This United Airlines deal was found by Cheapflights users on 7/24. 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.
vie. 8/151:35 pmEGE - YYZ
1 stop23h 36mUnited Airlines
mar. 8/196:20 pmYYZ - EGE
1 stop20h 16mUnited Airlines
Deal found 7/24$890

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 julio 25, 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

vie. 9/5

12:15 pm-10:52 pm

1 stop8h 37m

Toronto Pearson Intl

mar. 9/9

3:00 pm-4:00 am

2 stops15h 00m

$282

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

jue. 9/18

12:15 pm-10:52 pm

1 stop8h 37m

Toronto Pearson Intl

mié. 9/24

10:25 pm-11:24 am

1 stop14h 59m

$291

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

jue. 8/21

7:45 am-12:58 pm

Nonstop3h 13m

Toronto Pearson Intl

vie. 8/29

6:20 pm-8:00 pm

Nonstop3h 40m

$313

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

sáb. 9/13

11:59 pm-2:59 pm

1 stop13h 00m

Toronto Pearson Intl

dom. 9/14

5:59 pm-11:25 pm

1 stop7h 26m

$341

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

jue. 8/14

9:56 am-3:11 pm

Nonstop3h 15m

Toronto Pearson Intl

mié. 8/20

9:44 am-11:27 am

Nonstop3h 43m

$361

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

mié. 8/20

1:10 pm-9:58 pm

1 stop6h 48m

Toronto Pearson Intl

mié. 8/27

1:20 pm-8:41 pm

1 stop9h 21m

$378

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

mié. 10/8

6:02 am-6:35 pm

2 stops10h 33m

Toronto Pearson Intl

mar. 10/14

12:46 pm-10:09 pm

2 stops11h 23m

$393

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

jue. 8/21

5:30 am-3:11 pm

1 stop7h 41m

Toronto Pearson Intl

sáb. 8/30

5:15 pm-9:54 pm

1 stop6h 39m

$408

VailToronto

EGE - YYZ

EGEYYZ

Vail Eagle County

vie. 8/15

8:15 am-10:45 pm

1 stop12h 30m

Toronto Pearson Intl

mar. 8/19

5:18 pm-9:50 am

2 stops18h 32m

$804

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

mié. 8/6

7:30 am-6:39 pm

2 stops9h 09m

Toronto Pearson Intl

jue. 8/28

9:00 am-5:30 pm

2 stops10h 30m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 22 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 julio 25, 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 julio 25, 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 (7 on average).

How much does it cost to fly round-trip from Colorado to Niagara Falls?

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 julio 25, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Colorado to Niagara Falls by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,967 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,876 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
2,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

    $161 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Sun Country Air, with prices starting from $168 and $169, 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 (72%), 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 $172. On average you can expect to pay $5,695. The most popular route, (Denver Intl - Toronto Pearson Intl), can usually be booked for $271.

  • 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.

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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 julio 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$150Average$356FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$549FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$226Average$541FlexibilityNo cancel feeOn-time67%
WestJetCheapest$261Average$297FlexibilityNo cancel feeOn-time60%

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