Cheap flights from Niagara Falls to Denver from $260

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Niagara Falls to Denver departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Multiple Airlines Logo
IAG-DEN
1344 mimulti-stop
Multiple Airlines Logo
DEN-IAG
1344 mimulti-stop
Multiple Airlines
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momondo 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, momondo users made 832,500 searches. Data last updated octubre 29, 2025.
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

Niagara FallsDenver

IAG - DEN

IAGDEN

Niagara Falls

sáb. 11/15

7:36 pm-8:34 pm

2 stops26h 58m

$260

Niagara FallsDenver

IAG - DEN

IAGDEN

Niagara Falls

sáb. 11/15

7:36 pm-2:31 pm

3 stops44h 55m

$341

Niagara FallsDenver

IAG - DEN

IAGDEN

Niagara Falls

lun. 12/29

10:57 am-9:23 pm

2 stops36h 26m

$519

Niagara FallsDenver

IAG - DEN

IAGDEN

Niagara Falls

lun. 12/29

10:57 am-9:04 am

3 stops48h 07m

$576

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Niagara Falls to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Denver?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Denver from Niagara Falls according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

When to book flights from Niagara Falls to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Niagara Falls to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Niagara Falls to Denver (IAG to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Niagara Falls to Denver

Direct flights

None
There are no direct flights from Niagara Falls to Denver. There are no popular flight routes from Niagara Falls to Denver.
  • How far is Niagara Falls to Denver Intl by plane?

    There are 1356.7 mi between Niagara Falls and Denver Intl.

  • When did momondo last update prices for flights from Niagara Falls Airport to Denver Intl Airport?

    Prices for flights from Niagara Falls Airport to Denver Intl Airport are updated daily.

  • How old do you have to be to fly from Niagara Falls Airport to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Niagara Falls Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

Why use momondo?

Why should I use momondo to find a flight deal from Niagara Falls to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Niagara Falls to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Niagara Falls to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from Niagara Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Niagara Falls to Denver?

Once all potential Niagara Falls to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Niagara Falls to Denver right now. Can momondo alert me if prices change?

Price alerts on flights to Denver from Niagara Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
vie. 11/28
vie. 12/5

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