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Cheap flights from Niagara Falls to Denver from C$ 271

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DEN
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Niagara Falls to Denver Intl are usually found in September or April, booked 69 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Niagara Falls to Denver

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

Round-trip from

C$ 375

One-way from

C$ 271

Popular in

December

Cheapest in

September

Average price

C$ 640
WestJet
  • WestJet
  • 8/8-11/8
  • 3 total stops
  • 27h 06m total
  • Niagara Falls to Denver
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Delta
  • Delta
  • 17/6
  • 1 total stop
  • 6h 35m total
  • Niagara Falls to Denver
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 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 Niagara Falls to Denver

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

Fri 8/87:00 p.m.YYZ - DEN
2 stops18h 27mWestJet
Mon 11/812:15 p.m.DEN - YYZ
1 stop8h 39mWestJet
Deal found 9/6C$ 375
Fri 1/810:00 a.m.YYZ - DEN
2 stops15h 21mMultiple Airlines
Sun 3/812:15 p.m.DEN - YYZ
1 stop10h 09mMultiple Airlines
Deal found 12/6C$ 414
Wed 18/68:40 a.m.YYZ - DEN
Nonstop3h 40mAir Canada
Sat 21/67:45 a.m.DEN - YYZ
Nonstop3h 13mAir Canada
Deal found 11/6C$ 428
Fri 13/61:25 p.m.YYZ - DEN
1 stop10h 53mAmerican Airlines
Tue 17/67:00 a.m.DEN - YYZ
1 stop5h 55mAmerican Airlines
Deal found 10/6C$ 462
Fri 13/62:27 p.m.YYZ - DEN
1 stop8h 08mDelta
Tue 17/612:55 a.m.DEN - YYZ
1 stop6h 26mDelta
Deal found 10/6C$ 463
Fri 13/65:15 p.m.YYZ - DEN
1 stop7h 03mBritish Airways
Sat 21/67:20 a.m.DEN - YYZ
1 stop13h 30mBritish Airways
Deal found 10/6C$ 472

Cheapflights Fare Finder

Customize your flight search to find flights from Niagara Falls to Denver 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Niagara Falls to Denver that are best for you.

Fly from

Niagara Falls

Fly to

Denver

Route

Depart

Return

Price

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 8/8

7:00 p.m.-11:27 a.m.

2 stops18h 27m

Denver Intl

Mon 11/8

12:15 p.m.-10:54 p.m.

1 stop8h 39m

C$ 375

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 1/8

10:00 a.m.-11:21 p.m.

2 stops15h 21m

Denver Intl

Sun 3/8

12:15 p.m.-12:24 a.m.

1 stop10h 09m

C$ 414

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 16/7

8:40 a.m.-10:20 a.m.

Nonstop3h 40m

Denver Intl

Tue 22/7

7:45 a.m.-12:58 p.m.

Nonstop3h 13m

C$ 438

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 11/7

5:45 p.m.-10:11 p.m.

1 stop6h 26m

Denver Intl

Thu 17/7

12:59 a.m.-10:19 a.m.

1 stop7h 20m

C$ 494

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 3/7

6:00 a.m.-3:05 p.m.

1 stop11h 05m

Denver Intl

Mon 7/7

5:32 p.m.-10:59 a.m.

1 stop15h 27m

C$ 495

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 24/9

4:45 p.m.-6:37 p.m.

2 stops27h 52m

Denver Intl

Wed 1/10

11:40 a.m.-3:00 p.m.

2 stops25h 20m

C$ 619

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 17/6

5:50 p.m.-10:25 p.m.

1 stop6h 35m

C$ 271

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 1/7

8:05 p.m.-4:01 a.m.

1 stop9h 56m

C$ 272

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 30/9

9:00 a.m.-4:33 p.m.

1 stop9h 33m

C$ 275

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 18/6

6:45 a.m.-11:27 a.m.

2 stops30h 42m

C$ 276

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 13 results
1
2

Best time to book a flight from Niagara Falls to Denver

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

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

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

To ensure you get the cheapest price possible for a flight from Niagara Falls to Denver, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Niagara Falls to Denver (average of C$ 320). Flying from Niagara Falls to Denver in December is currently the most expensive (average of C$ 484). 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 NI4 to DEN?

Find hourly flight availability from Niagara Falls to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

When flying from Niagara Falls to Denver, 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 Niagara Falls to Denver

Explore weekly flight availability from Niagara Falls to Denver. 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 12 June 2025.

The most flights from NI4 to DEN are scheduled on a Monday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Denver by month

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

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated 12 June 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Niagara Falls to Denver 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
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 Niagara Falls to Denver. 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 into for flights to Denver from Niagara Falls?

    Located just 29.7 km from the city centre, Denver Intl is the airport most travellers will use when flying to Denver from Niagara Falls. Booking flights from Niagara Falls to Denver Intl (DEN) should be relatively easy as there are 9 daily inbound flights from Niagara Falls from 4 different airlines.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 271. Users have also found prices from C$ 275 and C$ 286 on Air Canada and American Airlines, respectively.

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

    Consider Air Canada (79%), United Airlines (79%) or Austrian Airlines (76%) when booking your flight. These represent the most reliable airlines when flying from Niagara Falls to Denver.

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

    On average you can expect to pay C$ 1,663 for a flight from Niagara Falls to Denver. The cheapest flight overall is C$ 192 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 395.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Niagara Falls to Denver (average of C$ 320). Flying from Niagara Falls to Denver in December is currently the most expensive (average of C$ 484). 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

Travelling to a place near Niagara Falls?

Book flights to Niagara Falls if you plan to visit one of these locations
Golden
Westminster
Thornton

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Top 4 airlines flying from Niagara Falls to Denver

Discover the top 4 airlines that operate flights from Niagara Falls to Denver. 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 209AverageC$ 337FlexibilityNo cancel feeOn-time62%
Search Frontier flights
WestJetCheapestC$ 239AverageC$ 365FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 477AverageC$ 694FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 515AverageC$ 716FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Niagara Falls to Denver?

When you search for this flight from Niagara Falls to Denver, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to Denver?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Niagara Falls to Denver for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Niagara Falls to Denver with no change fees?

Yes! Cheapflights helps users easily find flights from Niagara Falls to Denver with no change fees.

Can Cheapflights notify me if prices for flights from Niagara Falls to Denver become cheaper?

Yes! Start tracking prices for Niagara Falls to Denver flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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