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Niagara Falls

$153+ Cheap flights from Denver (DEN) 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
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Niagara Falls are usually found in February or June, booked 43 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from Denver to Niagara Falls

Keep the following information in mind while searching for Denver to Niagara Falls flight deals. Data was last updated junio 12, 2025.

Round-trip from

$248
(Kiwi.com)

One-way from

$153
(WestJet)

Popular in

August

Cheapest in

February

Average price

$397
From Denver Intl to Niagara Falls
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One-way flight from Denver Intl to Niagara Falls
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Highest demand for flights based on searches. 8% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Denver to Niagara Falls

Cheapest flights from Denver to Niagara Falls
Explore the most affordable flight options available from Denver to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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. 9/112:15 pmDEN - YYZ
2 stops10h 16mWestJet
dom. 9/710:00 amYYZ - DEN
1 stop10h 48mWestJet
Deal found 6/11$248
This Kiwi.com deal was found by Cheapflights users on 6/10. 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. 7/112:15 pmDEN - YYZ
2 stops10h 18mMultiple Airlines
jue. 7/39:45 amYYZ - DEN
1 stop15h 23mMultiple Airlines
Deal found 6/10$285
This Gotogate deal was found by Cheapflights users on 6/10. 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.
dom. 8/107:45 amDEN - YYZ
Nonstop3h 13mAir Canada
dom. 8/176:20 pmYYZ - DEN
Nonstop3h 40mAir Canada
Deal found 6/10$383
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/38:38 amDEN - YYZ
1 stop6h 12mSun Country Air
dom. 8/106:00 pmYYZ - DEN
1 stop17h 01mSun Country Air
Deal found 6/10$402
This Delta deal was found by Cheapflights users on 6/9. 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.
mar. 6/176:40 amDEN - YYZ
1 stop9h 19mDelta
vie. 6/203:31 pmYYZ - DEN
1 stop9h 27mDelta
Deal found 6/9$410
This American Airlines deal was found by Cheapflights users on 6/12. 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.
lun. 9/87:16 amDEN - YYZ
1 stop14h 08mAmerican Airlines
vie. 9/126:49 amYYZ - DEN
1 stop7h 02mAmerican Airlines
Deal found 6/12$426

Cheapflights Fare Finder

Customize your flight search to find flights from Denver 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 junio 12, 2025.
Use the filters below to find and compare flights from Denver to Niagara Falls that are best for you.

Fly from

Denver

Fly to

Niagara Falls

Route

Depart

Return

Price

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

lun. 9/1

12:15 pm-12:31 am

2 stops10h 16m

Toronto Pearson Intl

dom. 9/7

10:00 am-6:48 pm

1 stop10h 48m

$248

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

mar. 7/1

12:15 pm-12:33 am

2 stops10h 18m

Toronto Pearson Intl

jue. 7/3

9:45 am-11:08 pm

1 stop15h 23m

$285

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

dom. 8/10

7:45 am-12:58 pm

Nonstop3h 13m

Toronto Pearson Intl

dom. 8/17

6:20 pm-8:00 pm

Nonstop3h 40m

$383

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

dom. 8/3

8:38 am-4:50 pm

1 stop6h 12m

Toronto Pearson Intl

dom. 8/10

6:00 pm-9:01 am

1 stop17h 01m

$402

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

lun. 9/8

7:16 am-11:24 pm

1 stop14h 08m

Toronto Pearson Intl

vie. 9/12

6:49 am-11:51 am

1 stop7h 02m

$426

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

vie. 7/25

1:52 pm-11:10 pm

1 stop7h 18m

Toronto Pearson Intl

vie. 8/1

6:05 pm-11:06 pm

1 stop7h 01m

$440

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

dom. 9/7

12:15 pm-10:52 pm

1 stop8h 37m

$153

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

vie. 6/20

7:45 am-12:58 pm

Nonstop3h 13m

$167

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

vie. 7/4

10:29 pm-12:33 am

3 stops24h 04m

$170

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

mar. 6/24

7:20 am-10:50 pm

1 stop13h 30m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
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Best time to book a flight from Denver to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Denver 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 Denver to Niagara Falls

How far ahead should I book a flight from Denver to Niagara Falls?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Niagara Falls. Price data was last updated on June 9, 2025.

The price you pay for your flight from Denver to Niagara Falls may vary depending on when you book. For the best chance of a lower fare, look to book 43 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Denver to Niagara Falls?

Currently, January is the cheapest month in which you can book a flight from Denver to Niagara Falls (average of $243). Flying from Denver to Niagara Falls in July is currently the most expensive (average of $353). 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 DEN to NI4?

Find hourly flight availability from Denver 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 junio 12, 2025.

When flying from Denver 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 Denver to Niagara Falls

Explore weekly flight availability from Denver 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 junio 12, 2025.

The most flights from DEN to NI4 are scheduled on a Monday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 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 junio 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Denver to Niagara Falls. Users have also rated airlines 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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Denver 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 airport do you fly from for flights from Denver to Niagara Falls?

    If you book a flight to Niagara Falls from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver. There are 10 flights from Denver Intl to Niagara Falls per day from 3 different airlines.

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

    One-way options have recently been found by users for as low as $153 on WestJet. Other airlines that offer cheap prices include Air Canada from $167 and American Airlines from $175 one-way.

  • What are the most reliable airlines from Denver to Niagara Falls?

    Consider Brussels Airlines (81%), Austrian Airlines (78%) or Air Canada (73%) when booking your flight. These represent the most reliable airlines when flying from Denver to Niagara Falls.

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

    While on average a flight from Denver to Niagara Falls is generally $1,432, our data shows the cheapest flight currently is $188. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay $293 for that flight.

  • Can I find deals for flights from Denver to Niagara Falls that include hotel bookings?

    Yes. In addition to deals on Denver to Niagara Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Niagara Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Niagara Falls.

  • Can I find deals for business class flights from Denver to Niagara Falls?

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Niagara Falls?

    Currently, January is the cheapest month in which you can book a flight from Denver to Niagara Falls (average of $243). Flying from Denver to Niagara Falls in July is currently the most expensive (average of $353). 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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Top 3 airlines flying from Denver to Niagara Falls

Discover the top 3 airlines that operate flights from Denver 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$216Average$541FlexibilityNo cancel feeOn-time67%
WestJetCheapest$261Average$323FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$277Average$545FlexibilityNo cancel feeOn-time69%

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