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$223+ Cheap flights from Niagara Falls to Denver (IAG - DEN)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAG — DEN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Niagara Falls to Denver

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 December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Thu 1/1511:32 amIAG - DEN
2 stops36h 04mMultiple Airlines
Deal found 12/15$223

Find flight deals from Niagara Falls to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Niagara Falls (IAG) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars
Provider with most accurate pricing for Niagara Falls-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Niagara Falls-Denver Intl flights.
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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 2,558,603 searches. Data last updated December 15, 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

Niagara FallsDenver

IAG - DEN

IAGDEN

Niagara Falls

Thu 1/15

11:32 am-9:36 pm

2 stops36h 04m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Compare providers for flights from Niagara Falls to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Niagara Falls to Denver in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Niagara Falls-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Niagara Falls-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Niagara Falls-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Niagara Falls-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Niagara Falls-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 month to book a flight from Niagara Falls to Denver?

Currently, June is the cheapest month in which you can book a flight from Niagara Falls to Denver (average of $118). Flying from Niagara Falls to Denver in April is currently the most expensive (average of $226). 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.

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.

  • 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, June is the cheapest month in which you can book a flight from Niagara Falls to Denver (average of $118). Flying from Niagara Falls to Denver in April is currently the most expensive (average of $226). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Thornton
Broomfield
Westminster
Winter Park
Golden
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Central City
Frisco
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