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Cheap flights from Denver to Niagara Falls from $197

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Niagara Falls departing on 5/13. 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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Cheap round-trip flights

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Multiple Airlines Logo
DEN
-
IAG
1344 mimulti-stop
Multiple Airlines Logo
IAG
-
DEN
1344 mimulti-stop
Multiple Airlines

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Niagara Falls 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 February 11, 2026.
Use the filters below to find and compare flights from Denver to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverNiagara Falls

DEN - IAG

DENIAG

Denver Intl

Wed 5/13

1:09 pm-10:24 am

2 stops19h 15m

$197

DenverNiagara Falls

DEN - IAG

DENIAG

Denver Intl

Wed 5/13

1:09 pm-9:01 am

3 stops41h 52m

$273

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 Denver to Niagara Falls

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 Niagara Falls?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Niagara Falls from Denver according to our data. United Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Niagara Falls. Keep in mind that there are 6 different airlines that fly to Niagara Falls on a routine basis, so you have a few additional options to choose from.

When to book flights from Denver to Niagara Falls

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

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

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

Fastest flight time

11h 15m

Direct flights

None
The fastest flight from Denver to Niagara Falls takes 11h 15m
There are no direct flights from Denver to Niagara Falls. There are no popular flight routes from Denver to Niagara Falls.
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  • How far is Denver Intl to Niagara Falls by plane?

    There are 1356.7 mi between Denver Intl and Niagara Falls. In terms of flight time, this usually takes a little over 11h 15m.

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

    Prices for flights from Denver Intl Airport to Niagara Falls Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Niagara Falls Airport.

  • What documentation or ID do you need to fly to Niagara Falls Airport?

    The required travel and health documents for your Niagara Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Niagara Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Niagara Falls?

Book flights to Niagara Falls if you plan to visit one of these locations
Lewiston

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Niagara Falls. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Niagara Falls from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Niagara Falls from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Niagara Falls, momondo offers a useful price alert feature which will track prices for flights to Niagara Falls from Denver and alert you when they change.

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