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Cheap flights from Niagara Falls to Denver from C$ 230

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DEN
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Denver Intl are usually found in October or November, booked 46 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap flight deals from Niagara Falls to Denver

Enter your travel dates to find the best prices.

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 25 July 2026.

Tue 18/810:25 p.m.
YYZ
-
DEN
1 stop14h 55m
WestJet
Tue 25/812:15 p.m.
DEN
-
YYZ
1 stop9h 55m
WestJet
Deal found 20/7C$ 542
Tue 11/89:30 a.m.
YYZ
-
DEN
1 stop9h 40m
Multiple Airlines
Tue 25/812:15 p.m.
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Deal found 22/7C$ 545
Thu 27/810:20 p.m.
YYZ
-
DEN
2 stops15h 00m
Multiple Airlines
Sun 30/88:31 a.m.
DEN
-
YYZ
1 stop11h 24m
Multiple Airlines
Deal found 22/7C$ 547
Wed 12/88:35 p.m.
YYZ
-
DEN
1 stop9h 15m
Multiple Airlines
Wed 19/88:31 a.m.
DEN
-
YYZ
1 stop11h 24m
Multiple Airlines
Deal found 24/7C$ 550
Thu 15/104:45 p.m.
YYZ
-
DEN
1 stop7h 04m
Multiple Airlines
Wed 21/1011:48 p.m.
DEN
-
YYZ
2 stops15h 07m
Multiple Airlines
Deal found 22/7C$ 551
Tue 11/810:25 p.m.
YYZ
-
DEN
2 stops23h 22m
Multiple Airlines
Mon 17/88:01 a.m.
DEN
-
YYZ
1 stop11h 54m
Multiple Airlines
Deal found 22/7C$ 552
Wed 5/810:20 p.m.
YYZ
-
DEN
2 stops15h 00m
Multiple Airlines
Fri 14/810:15 a.m.
DEN
-
YYZ
1 stop8h 35m
Multiple Airlines
Deal found 20/7C$ 555
Fri 25/98:35 p.m.
YYZ
-
DEN
1 stop9h 17m
Multiple Airlines
Tue 29/911:59 p.m.
DEN
-
YYZ
2 stops14h 56m
Multiple Airlines
Deal found 21/7C$ 557
Sat 26/99:45 a.m.
YYZ
-
DEN
1 stop15h 14m
Multiple Airlines
Mon 28/96:55 a.m.
DEN
-
YYZ
1 stop13h 00m
Multiple Airlines
Deal found 22/7C$ 558
Thu 24/94:45 p.m.
YYZ
-
DEN
1 stop7h 04m
Multiple Airlines
Sun 27/912:15 p.m.
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Deal found 21/7C$ 559
Mon 17/84:45 p.m.
YYZ
-
DEN
1 stop24h 16m
Multiple Airlines
Sun 23/810:43 a.m.
DEN
-
YYZ
2 stops33h 12m
Multiple Airlines
Deal found 24/7C$ 561
Wed 5/810:20 p.m.
YYZ
-
DEN
2 stops15h 00m
WestJet
Thu 13/812:15 p.m.
DEN
-
YYZ
1 stop8h 30m
WestJet
Deal found 20/7C$ 564

Find 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 25 July 2026.

Round-trip from

C$ 542

One-way from

C$ 230

Popular in

January

Cheapest in

October

Average price

C$ 692
WestJet
  • WestJet
  • 18/8-25/8
  • 2 total stops
  • 24h 50m total
  • Niagara Falls to Denver
Search Deals
19/8
  • 19/8
  • 1 total stop
  • 24h 16m total
  • Niagara Falls to Denver
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 25 July 2026.
Use the filters below to find and compare flights from Niagara Falls to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 18/8

1:38 p.m.-11:02 p.m.

1 stop11h 24m

Denver Intl

Fri 21/8

6:05 a.m.-1:34 p.m.

1 stop5h 29m

C$ 650

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 14/10

5:49 p.m.-10:42 p.m.

1 stop6h 53m

Denver Intl

Sun 18/10

6:10 a.m.-1:36 p.m.

1 stop5h 26m

C$ 650

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 25/8

7:45 a.m.-2:52 p.m.

1 stop9h 07m

Denver Intl

Wed 26/8

2:54 p.m.-11:59 p.m.

1 stop7h 05m

C$ 650

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sat 21/11

6:30 a.m.-12:03 p.m.

1 stop7h 33m

Denver Intl

Tue 24/11

6:45 a.m.-3:19 p.m.

1 stop6h 34m

C$ 650

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 22/9

4:18 p.m.-5:56 p.m.

Nonstop3h 38m

Denver Intl

Mon 28/9

4:17 p.m.-9:32 p.m.

Nonstop3h 15m

C$ 659
Quickest round-trip

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 29/9

10:45 a.m.-12:23 p.m.

Nonstop3h 38m

Denver Intl

Thu 1/10

6:05 p.m.-11:16 p.m.

Nonstop3h 11m

C$ 659

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 25/8

10:45 a.m.-12:28 p.m.

Nonstop3h 43m

Denver Intl

Wed 26/8

3:40 p.m.-11:54 p.m.

1 stop6h 14m

C$ 672

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 19/8

4:18 p.m.-5:56 p.m.

Nonstop3h 38m

Denver Intl

Thu 20/8

6:05 p.m.-11:17 p.m.

Nonstop3h 12m

C$ 675

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 13/9

10:45 a.m.-12:28 p.m.

Nonstop3h 43m

Denver Intl

Sun 20/9

4:16 p.m.-9:32 p.m.

Nonstop3h 16m

C$ 675

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Mon 12/10

6:10 a.m.-10:15 p.m.

1 stop18h 05m

Denver Intl

Thu 15/10

10:02 a.m.-3:14 p.m.

Nonstop3h 12m

C$ 682

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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 25 July 2026.

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 25 July 2026.

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

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

Airfare is below average for this route at the moment.
Niagara Falls to Denver flights typically cost between C$ 596 and C$ 776 in August.
The cheapest round-trip price found within the last 5 days was C$ 542 on WestJet (18 Aug-25 Aug).

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 25 July 2026.
Read through reviews of airlines operating flights from Niagara Falls to Denver, such as United Airlines,WestJet, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,037 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,037 reviews
United Airlines
7.4
Good
10,037 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,415 reviews
United Airlines
7.4
Good
10,037 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
11,386 reviews
United Airlines
7.4
Good
10,037 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 3 different airlines.

  • How long is the flight from Niagara Falls to Denver?

    There are many flights that can get you from Niagara Falls to Denver in 3h 38m. Fly via Delta or United Airlines to get the fastest option. Airlines will cover a distance of 2111 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Consider Air Canada (66%), United Airlines (66%) or Brussels Airlines (49%) 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$ 1,620 for a flight from Niagara Falls to Denver. The cheapest flight overall is C$ 309 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 428.

  • 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.

See more FAQs

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk

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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 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 405AverageC$ 728FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 412AverageC$ 457FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 443AverageC$ 658FlexibilityNo cancel feeOn-time67%
Search Air Canada 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?

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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