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Niagara Falls

$167+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Niagara Falls are usually found in February or March, booked 43 days in advance, depart on a Thursday or Tuesday and return on a Friday

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 July 31, 2025.

Round-trip from

$285
(Kiwi.com)

One-way from

$167
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$500
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. 3% potential increase in price ($17 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 July 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 July 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/312:15 pmDEN - YYZ
1 stop10h 07mWestJet
Sun 9/710:00 amYYZ - DEN
1 stop10h 48mWestJet
Deal found 7/30$285
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:15 pmDEN - YYZ
1 stop16h 25mMultiple Airlines
Sun 9/79:40 pmYYZ - DEN
1 stop15h 44mMultiple Airlines
Deal found 7/29$293
This Flightnetwork deal was found by Cheapflights users on 7/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:45 amDEN - YYZ
Nonstop3h 13mAir Canada
Sun 8/246:20 pmYYZ - DEN
Nonstop3h 40mAir Canada
Deal found 7/28$331

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 July 31, 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

Wed 9/3

12:15 pm-12:22 am

1 stop10h 07m

Toronto Pearson Intl

Sun 9/7

10:00 am-6:48 pm

1 stop10h 48m

$285

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 9/4

12:15 pm-6:40 am

1 stop16h 25m

Toronto Pearson Intl

Sun 9/7

9:40 pm-11:24 am

1 stop15h 44m

$293

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 8/18

7:45 am-12:58 pm

Nonstop3h 13m

Toronto Pearson Intl

Sun 8/24

6:20 pm-8:00 pm

Nonstop3h 40m

$331

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 8/30

7:10 pm-6:54 pm

2 stops21h 44m

$167

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 8/20

12:15 pm-10:54 pm

1 stop8h 39m

$170

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 9/2

7:05 pm-7:01 am

1 stop9h 56m

$171

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 9/11

5:43 pm-11:50 am

1 stop16h 07m

$181

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 9/9

5:37 pm-10:59 am

1 stop15h 22m

$185

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 8/30

12:15 pm-12:24 am

1 stop10h 09m

$194

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 9/5

11:40 am-3:00 pm

2 stops25h 20m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 25, 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 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 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 July 31, 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 July 31, 2025.

The most flights from DEN to NI4 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and American Airlines from Denver to Niagara Falls by reading reviews from past customers. 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

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

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

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

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

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

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
2,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

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.
Air Canada
7.1
Good
9,851 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

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 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 9 flights from Denver Intl to Niagara Falls per day from 4 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 $170 on WestJet. Other airlines that offer cheap prices include Air Canada from $171 and Sun Country Air from $181 one-way.

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

    Consider Austrian Airlines (72%), Air Canada (68%) or United Airlines (68%) 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 $1,951, our data shows the cheapest flight currently is $166. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay $292 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 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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Top 4 airlines flying from Denver to Niagara Falls

Discover the top 4 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$229Average$542FlexibilityNo cancel feeOn-time67%
WestJetCheapest$261Average$297FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$277Average$559FlexibilityNo cancel feeOn-time69%
DeltaCheapest$373Average$483FlexibilityNo cancel feeOn-timeN/A

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