Cheap flights from Niagara Falls, ON to Denver from C$ 214
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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DEN
28 May — 4 Jun1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to Denver Intl are usually found in October or September, booked 89 days in advance, depart on a Friday or Saturday and return on a Tuesday
Cheap flight deals from Niagara Falls to Denver
Enter your travel dates to find the best prices.
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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 28 April 2026.
Mon 1/67:00 a.m.
YYZ
-
DEN
2 stops13h 04m
Multiple Airlines
Sun 7/66:30 a.m.
DEN
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 24/4C$ 538
Thu 11/66:30 p.m.
YYZ
-
DEN
1 stop18h 50m
Multiple Airlines
Thu 18/67:43 a.m.
DEN
-
YYZ
1 stop12h 12m
Multiple Airlines
Deal found 27/4C$ 540
Thu 18/67:00 a.m.
YYZ
-
DEN
2 stops16h 42m
Multiple Airlines
Sat 20/68:46 p.m.
DEN
-
YYZ
1 stop22h 09m
Multiple Airlines
Deal found 26/4C$ 541
Fri 15/56:30 p.m.
YYZ
-
DEN
2 stops30h 22m
Multiple Airlines
Mon 25/56:30 a.m.
DEN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 23/4C$ 543
Tue 2/610:25 p.m.
YYZ
-
DEN
1 stop14h 55m
Multiple Airlines
Sun 7/66:30 a.m.
DEN
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 24/4C$ 545
Tue 26/56:26 p.m.
YYZ
-
DEN
1 stop15h 58m
American Airlines
Fri 29/56:55 a.m.
DEN
-
YYZ
1 stop14h 29m
American Airlines
Deal found 23/4C$ 548
Fri 22/510:25 p.m.
YYZ
-
DEN
1 stop14h 55m
Multiple Airlines
Sun 24/56:30 a.m.
DEN
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 25/4C$ 549
Sun 5/711:10 p.m.
YYZ
-
DEN
2 stops14h 10m
WestJet
Fri 10/712:15 p.m.
DEN
-
YYZ
1 stop15h 30m
WestJet
Deal found 27/4C$ 551
Thu 28/59:40 a.m.
YYZ
-
DEN
1 stop16h 58m
Multiple Airlines
Mon 1/66:30 a.m.
DEN
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 23/4C$ 552
Thu 7/55:50 p.m.
YYZ
-
DEN
2 stops17h 15m
Multiple Airlines
Sun 10/512:15 p.m.
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Deal found 26/4C$ 553
Wed 3/69:30 a.m.
YYZ
-
DEN
2 stops14h 54m
Multiple Airlines
Mon 8/66:30 a.m.
DEN
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 24/4C$ 555
Thu 13/89:30 a.m.
YYZ
-
DEN
1 stop12h 16m
Multiple Airlines
Sat 15/810:36 p.m.
DEN
-
YYZ
1 stop18h 43m
Multiple Airlines
Deal found 26/4C$ 556
Best flights from Niagara Falls to Denver
Discover carefully curated flight deals from Niagara Falls to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 28 April 2026.
Thu 18/67:24 p.m.
YYZ
-
DEN
1 stop6h 07m
Delta
Mon 22/65:40 a.m.
DEN
-
YYZ
1 stop8h 55m
Delta
Deal found 27/4C$ 635
Sun 28/68:55 a.m.
YYZ
-
DEN
Nonstop3h 40m
Air Canada
Thu 2/711:25 a.m.
DEN
-
YYZ
1 stop8h 30m
Air Canada
Deal found 23/4C$ 641
Mon 6/710:45 a.m.
YYZ
-
DEN
Nonstop3h 45m
United Airlines
Sat 18/74:40 p.m.
DEN
-
YYZ
1 stop5h 19m
United Airlines
Deal found 26/4C$ 688
Mon 15/65:45 p.m.
YYZ
-
DEN
1 stop6h 56m
Delta
Fri 19/63:15 p.m.
DEN
-
YYZ
1 stop6h 43m
Delta
Deal found 27/4C$ 635
Mon 6/710:45 a.m.
YYZ
-
DEN
Nonstop3h 45m
United Airlines
Wed 8/711:59 p.m.
DEN
-
YYZ
1 stop8h 05m
United Airlines
Deal found 26/4C$ 688
Sat 30/56:10 a.m.
YYZ
-
DEN
1 stop5h 33m
Delta
Thu 11/61:15 p.m.
DEN
-
YYZ
1 stop6h 44m
Delta
Deal found 24/4C$ 635
Thu 11/610:45 a.m.
YYZ
-
DEN
Nonstop3h 45m
United Airlines
Sun 14/66:13 a.m.
DEN
-
YYZ
1 stop10h 49m
United Airlines
Deal found 27/4C$ 688
Sun 10/56:12 p.m.
YYZ
-
DEN
1 stop6h 46m
Delta
Sat 16/55:45 a.m.
DEN
-
YYZ
1 stop9h 30m
Delta
Deal found 26/4C$ 637
Wed 9/910:45 a.m.
YYZ
-
DEN
Nonstop3h 43m
United Airlines
Fri 11/94:45 p.m.
DEN
-
YYZ
1 stop5h 14m
United Airlines
Deal found 25/4C$ 688
Mon 8/67:24 p.m.
YYZ
-
DEN
1 stop6h 07m
Delta
Fri 12/62:15 p.m.
DEN
-
YYZ
1 stop7h 43m
Delta
Deal found 26/4C$ 637
Thu 30/710:45 a.m.
YYZ
-
DEN
Nonstop3h 45m
United Airlines
Wed 5/89:57 a.m.
DEN
-
YYZ
Nonstop3h 17m
United Airlines
Deal found 27/4C$ 690
Thu 14/54:04 p.m.
YYZ
-
DEN
1 stop8h 54m
Delta
Mon 25/57:10 a.m.
DEN
-
YYZ
1 stop8h 45m
Delta
Deal found 23/4C$ 667
Direct flights from Niagara Falls to Denver
Explore direct flight options from Niagara Falls to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 April 2026.
Sun 10/58:45 a.m.
YYZ
-
DEN
Nonstop3h 48m
Air Canada
Sat 16/56:10 p.m.
DEN
-
YYZ
Nonstop3h 13m
Air Canada
Deal found 26/4C$ 592
Sat 5/96:40 p.m.
YYZ
-
DEN
Nonstop3h 42m
Air Canada
Fri 11/96:10 p.m.
DEN
-
YYZ
Nonstop3h 11m
Air Canada
Deal found 25/4C$ 593
Fri 18/96:40 p.m.
YYZ
-
DEN
Nonstop3h 37m
Air Canada
Mon 21/96:10 p.m.
DEN
-
YYZ
Nonstop3h 11m
Air Canada
Deal found 27/4C$ 594
Thu 14/56:40 p.m.
YYZ
-
DEN
Nonstop3h 48m
Air Canada
Fri 22/56:10 p.m.
DEN
-
YYZ
Nonstop3h 13m
Air Canada
Deal found 28/4C$ 598
Mon 1/66:40 p.m.
YYZ
-
DEN
Nonstop3h 48m
Air Canada
Fri 5/66:10 p.m.
DEN
-
YYZ
Nonstop3h 13m
Air Canada
Deal found 26/4C$ 605
Wed 2/96:40 p.m.
YYZ
-
DEN
Nonstop3h 42m
Air Canada
Tue 8/96:10 p.m.
DEN
-
YYZ
Nonstop3h 11m
Air Canada
Deal found 27/4C$ 607
Mon 11/58:45 a.m.
YYZ
-
DEN
Nonstop3h 48m
Air Canada
Sun 17/511:30 a.m.
DEN
-
YYZ
Nonstop3h 13m
Air Canada
Deal found 27/4C$ 609
Thu 18/68:55 a.m.
YYZ
-
DEN
Nonstop3h 40m
Air Canada
Mon 22/66:10 p.m.
DEN
-
YYZ
Nonstop3h 12m
Air Canada
Deal found 27/4C$ 611
Fri 22/58:45 a.m.
YYZ
-
DEN
Nonstop3h 48m
Air Canada
Tue 26/56:10 p.m.
DEN
-
YYZ
Nonstop3h 13m
Air Canada
Deal found 28/4C$ 612
Fri 19/66:40 p.m.
YYZ
-
DEN
Nonstop3h 42m
Air Canada
Tue 30/611:30 a.m.
DEN
-
YYZ
Nonstop3h 10m
Air Canada
Deal found 25/4C$ 616
Fri 15/58:45 a.m.
YYZ
-
DEN
Nonstop3h 48m
Air Canada
Mon 17/86:10 p.m.
DEN
-
YYZ
Nonstop3h 12m
Air Canada
Deal found 24/4C$ 618
Last-minute flights from Niagara Falls to Denver
Discover last-minute flight deals from Niagara Falls to Denver. Data last updated 28 April 2026 and is based on user searches.
Wed 6/53:20 p.m.
YYZ
-
DEN
2 stops17h 13m
Multiple Airlines
Sun 10/512:15 p.m.
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Deal found 26/4C$ 551
Thu 7/55:50 p.m.
YYZ
-
DEN
2 stops17h 15m
Multiple Airlines
Sun 10/512:15 p.m.
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Deal found 26/4C$ 553
Fri 15/56:30 p.m.
YYZ
-
DEN
2 stops30h 22m
Multiple Airlines
Mon 25/56:30 a.m.
DEN
-
YYZ
1 stop12h 20m
Multiple Airlines
Deal found 23/4C$ 543
Sat 16/510:25 p.m.
YYZ
-
DEN
1 stop14h 55m
Multiple Airlines
Tue 19/56:00 a.m.
DEN
-
YYZ
2 stops13h 15m
Multiple Airlines
Deal found 25/4C$ 571
Fri 22/510:25 p.m.
YYZ
-
DEN
1 stop14h 55m
Multiple Airlines
Sun 24/56:30 a.m.
DEN
-
YYZ
1 stop12h 40m
Multiple Airlines
Deal found 25/4C$ 549
Sat 23/53:10 p.m.
YYZ
-
DEN
1 stop10h 49m
American Airlines
Sat 30/56:55 a.m.
DEN
-
YYZ
1 stop14h 29m
American Airlines
Deal found 25/4C$ 570
Tue 26/56:26 p.m.
YYZ
-
DEN
1 stop15h 58m
American Airlines
Fri 29/56:55 a.m.
DEN
-
YYZ
1 stop14h 29m
American Airlines
Deal found 23/4C$ 548
Wed 27/54:45 p.m.
YYZ
-
DEN
1 stop6h 44m
Multiple Airlines
Sun 31/510:39 p.m.
DEN
-
YYZ
2 stops23h 31m
Multiple Airlines
Deal found 27/4C$ 558
Thu 28/59:40 a.m.
YYZ
-
DEN
1 stop16h 58m
Multiple Airlines
Mon 1/66:30 a.m.
DEN
-
YYZ
1 stop12h 25m
Multiple Airlines
Deal found 23/4C$ 552
Fri 29/57:00 a.m.
YYZ
-
DEN
3 stops30h 20m
Multiple Airlines
Tue 2/612:15 p.m.
DEN
-
YYZ
1 stop9h 55m
Multiple Airlines
Deal found 27/4C$ 585
One-way flights from Niagara Falls to Denver
Search for one-way flight options from Niagara Falls to Denver. Find affordable one-way fares based on user searches. Data last updated 28 April 2026.
Sun 10/56:10 a.m.
YYZ
-
DEN
2 stops31h 10m
WestJet
Deal found 25/4C$ 214
Sat 9/55:20 p.m.
YYZ
-
DEN
2 stops20h 00m
WestJet
Deal found 23/4C$ 215
Sun 17/510:25 p.m.
YYZ
-
DEN
1 stop14h 55m
WestJet
Deal found 25/4C$ 217
Thu 21/55:20 p.m.
YYZ
-
DEN
2 stops20h 00m
WestJet
Deal found 27/4C$ 224
Mon 1/67:00 a.m.
YYZ
-
DEN
1 stop30h 20m
WestJet
Deal found 26/4C$ 236
Mon 25/510:25 p.m.
YYZ
-
DEN
1 stop14h 55m
WestJet
Deal found 27/4C$ 237
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 28 April 2026.
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 28 April 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
Thu 18/6
7:24 p.m.-11:31 p.m.
1 stop6h 07m
Denver Intl
Mon 22/6
5:40 a.m.-4:35 p.m.
1 stop8h 55m
C$ 635
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Mon 15/6
5:45 p.m.-10:41 p.m.
1 stop6h 56m
Denver Intl
Fri 19/6
3:15 p.m.-11:58 p.m.
1 stop6h 43m
C$ 635
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Sat 30/5
6:10 a.m.-9:43 a.m.
1 stop5h 33m
Denver Intl
Thu 11/6
1:15 p.m.-9:59 p.m.
1 stop6h 44m
C$ 635
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Sun 10/5
6:12 p.m.-10:58 p.m.
1 stop6h 46m
Denver Intl
Sat 16/5
5:45 a.m.-5:15 p.m.
1 stop9h 30m
C$ 637
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Mon 8/6
7:24 p.m.-11:31 p.m.
1 stop6h 07m
Denver Intl
Fri 12/6
2:15 p.m.-11:58 p.m.
1 stop7h 43m
C$ 637
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Sun 28/6
8:55 a.m.-10:35 a.m.
Nonstop3h 40m
Denver Intl
Thu 2/7
11:25 a.m.-9:55 p.m.
1 stop8h 30m
C$ 641
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Thu 14/5
4:04 p.m.-10:58 p.m.
1 stop8h 54m
Denver Intl
Mon 25/5
7:10 a.m.-5:55 p.m.
1 stop8h 45m
C$ 667
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Mon 6/7
10:45 a.m.-12:30 p.m.
Nonstop3h 45m
Denver Intl
Sat 18/7
4:40 p.m.-11:59 p.m.
1 stop5h 19m
C$ 688
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Mon 6/7
10:45 a.m.-12:30 p.m.
Nonstop3h 45m
Denver Intl
Wed 8/7
11:59 p.m.-10:04 a.m.
1 stop8h 05m
C$ 688
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Thu 11/6
10:45 a.m.-12:30 p.m.
Nonstop3h 45m
Denver Intl
Sun 14/6
6:13 a.m.-7:02 p.m.
1 stop10h 49m
C$ 688
Flights are sorted by cheapest round-trip flights first.
Deals found on 25/4
Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
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.
YYZ-DEN
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
NI4-DEN
YYZ-DEN
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 28 April 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 28 April 2026.
The most flights from NI4 to DEN are scheduled on a Tuesday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Niagara Falls to Denver?
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 28 April 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.
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 3 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 6h 07m. Fly via Delta to get the fastest option. Airlines will cover a distance of 2111 km.
What are the most reliable airlines from Niagara Falls to Denver?
Consider Brussels Airlines (90%), Air Canada (73%) or Austrian Airlines (70%) 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$ 1,394 for a flight from Niagara Falls to Denver. The cheapest flight overall is C$ 272 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 391.
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.
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 April 2026.
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 28 April 2026.
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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