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Cheap flights from Niagara Falls to Denver from C$ 148

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DEN
22 Apr — 29 Apr1
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 Wednesday or Friday and return on a Monday

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 17 April 2025.

Round-trip from

C$ 304

One-way from

C$ 148

Popular in

December

Cheapest in

September

Average price

C$ 609
WestJet
  • WestJet
  • 29/6-3/7
  • 2 total stops
  • 26h 39m total
  • Niagara Falls to Denver
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WestJet
  • WestJet
  • 29/5
  • 1 total stop
  • 9h 52m total
  • Niagara Falls to Denver
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 2025.

Thu 24/47:25 p.m.YYZ - DEN
1 stop10h 31mMultiple Airlines
Sat 10/51:33 p.m.DEN - YYZ
2 stops14h 41mMultiple Airlines
Deal found 17/4C$ 392
Thu 10/77:00 p.m.YYZ - DEN
2 stops18h 27mWestJet
Mon 14/712:15 p.m.DEN - YYZ
1 stop21h 57mWestJet
Deal found 17/4C$ 413
Sun 25/56:20 p.m.YYZ - DEN
Nonstop3h 45mAir Canada
Sat 31/57:45 a.m.DEN - YYZ
Nonstop3h 11mAir Canada
Deal found 17/4C$ 528
Sun 4/56:15 a.m.YYZ - DEN
1 stop6h 54mDelta
Mon 12/51:47 p.m.DEN - YYZ
1 stop8h 08mDelta
Deal found 17/4C$ 552
Sat 3/54:15 p.m.YYZ - DEN
2 stops8h 24mAmerican Airlines
Thu 8/55:00 a.m.DEN - YYZ
1 stop9h 25mAmerican Airlines
Deal found 17/4C$ 573
Fri 9/58:45 a.m.YYZ - DEN
Nonstop3h 45mUnited Airlines
Mon 19/51:37 p.m.DEN - YYZ
1 stop5h 40mUnited Airlines
Deal found 16/4C$ 685
Sat 3/54:45 p.m.YYZ - DEN
2 stops20h 06mAlaska Airlines
Thu 8/58:20 a.m.DEN - YYZ
2 stops28h 40mAlaska Airlines
Deal found 17/4C$ 753

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 17 April 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

Tue 29/4

7:25 p.m.-3:56 a.m.

1 stop10h 31m

Denver Intl

Fri 9/5

12:15 p.m.-6:14 a.m.

1 stop15h 59m

C$ 392

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 27/8

12:00 p.m.-11:27 a.m.

2 stops25h 27m

Denver Intl

Thu 28/8

7:40 p.m.-6:52 a.m.

1 stop9h 12m

C$ 403

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 23/5

9:44 a.m.-11:28 a.m.

Nonstop3h 44m

Denver Intl

Sun 25/5

5:33 p.m.-10:48 p.m.

Nonstop3h 15m

C$ 523

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 4/5

6:15 a.m.-11:09 a.m.

1 stop6h 54m

Denver Intl

Mon 12/5

1:47 p.m.-11:55 p.m.

1 stop8h 08m

C$ 552

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sat 3/5

4:15 p.m.-10:39 p.m.

2 stops8h 24m

Denver Intl

Thu 8/5

5:00 a.m.-4:25 p.m.

1 stop9h 25m

C$ 573

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 9/5

8:45 a.m.-10:30 a.m.

Nonstop3h 45m

Denver Intl

Mon 19/5

1:37 p.m.-9:17 p.m.

1 stop5h 40m

C$ 685

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sat 3/5

4:45 p.m.-10:51 a.m.

2 stops20h 06m

Denver Intl

Thu 8/5

8:20 a.m.-3:00 p.m.

2 stops28h 40m

C$ 753

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 23/5

6:30 a.m.-6:52 p.m.

1 stop14h 22m

C$ 172

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 29/5

1:30 p.m.-4:00 a.m.

2 stops16h 30m

C$ 193

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 17/7

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

Nonstop3h 40m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

Showing 1-10 of 13 results
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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 11 April 2025.

To ensure you get the cheapest price possible for a flight from Niagara Falls to Denver, you should look to book at least 66 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 17 April 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 17 April 2025.

The most flights from NI4 to DEN are scheduled on a Tuesday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 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 17 April 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American 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.
Delta
8.0
Very good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,809 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,142 reviews
Delta
8.0
Very good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 8 daily inbound flights from Niagara Falls from 3 different airlines.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 148. Users have also found prices from C$ 297 and C$ 315 on Air Canada and Delta, respectively.

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

    Consider Air Canada (68%), United Airlines (68%) or Austrian Airlines (60%) 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$ 1,677 for a flight from Niagara Falls to Denver. The cheapest flight overall is C$ 162 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 238.

  • 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 3 airlines flying from Niagara Falls to Denver

Discover the top 3 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 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 242AverageC$ 377FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 491AverageC$ 705FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 523AverageC$ 721FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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?

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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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