What airlines fly to Niagara Falls, New York?

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Niagara Falls, New York from Denver according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Niagara Falls, New York. Keep in mind that there are 6 different airlines that fly to Niagara Falls, New York on a routine basis, so you have a few additional options to choose from.

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.

$92 Cheap Flights from Denver to Niagara Falls in 2025

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Find the cheapest flights from Denver to Niagara Falls

Round-trip

One-way

Cheap round-trip flights

8:00 am - 6:15 pmDEN-IAG

32h 15m2 stops

10:39 am - 7:43 amIAG-DEN

47h 04m3 stops

$497

Find Deal

Fri, Jul 25 - Fri, Aug 1

4:05 pm - 6:15 pmDEN-IAG

24h 10m2 stops

5:55 pm - 4:29 pmIAG-DEN

24h 34m3 stops

$578

Find Deal

Fri, Jul 11 - Sun, Jul 13

4:05 pm - 6:15 pmDEN-IAG

24h 10m2 stops

2:12 pm - 3:15 pmIAG-DEN

27h 03m2 stops

$582Allegiant Air

Find Deal

Fri, Jul 11 - Sun, Jul 13

4:12 pm - 6:15 pmDEN-IAG

24h 03m2 stops

11:10 am - 10:16 amIAG-DEN

25h 06m2 stops

$620Allegiant Air

Find Deal

Fri, Jun 27 - Tue, Jul 8

10:23 am - 5:09 pmDEN-IAG

28h 46m3 stops

2:13 pm - 7:10 amIAG-DEN

18h 57m2 stops

$790

Find Deal

Wed, Jun 25 - Sun, Jun 29

11:59 pm - 5:09 pmDEN-IAG

15h 10m2 stops

2:13 pm - 7:10 amIAG-DEN

18h 57m2 stops

$816

Find Deal

Wed, Jun 25 - Sun, Jun 29

10:23 am - 5:09 pmDEN-IAG

28h 46m3 stops

5:59 pm - 6:01 pmIAG-DEN

26h 02m3 stops

$876

Find Deal

Wed, Jun 25 - Sun, Jun 29

Allegiant Air flights from Denver to Niagara Falls, New York

Our best Allegiant Air deals on Denver to Niagara Falls, New York flight tickets

Allegiant Air

Jul 11

DEN4:05 pmDenver Intl

24h 10m

2 stops

IAG6:15 pmNiagara Falls

Jul 13

IAG2:12 pmNiagara Falls

27h 03m

2 stops

DEN3:15 pmDenver Intl

$582

Find similar

Allegiant Air

Jun 27

DEN4:12 pmDenver Intl

24h 03m

2 stops

IAG6:15 pmNiagara Falls

Jul 8

IAG11:10 amNiagara Falls

25h 06m

2 stops

DEN10:16 amDenver Intl

$620

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How to get the cheapest flight ticket from Denver to Niagara Falls, New York

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

Prices

Airlines

What is the cheapest day to depart on your flight to Niagara Falls, New York?

The cheapest day to depart from Denver to Niagara Falls, New York is on a Monday when prices can be found for as low as $217. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Niagara Falls, New York for around $242.

When to book flights from Denver to Niagara Falls, New York

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

Estimated round-trip price

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

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

Best Price Found	$497
Fastest flight time	15h 10m
Direct flights	None
Airports in Niagara Falls, New York	1 airport

The best flight deal from Denver to Niagara Falls, New York found on momondo in the last 72 hours is $497

The fastest flight from Denver to Niagara Falls, New York takes 15h 10m

There are no direct flights from Denver to Niagara Falls, New York. Popular non-direct route for this connection is Denver Intl Airport - Niagara Falls Airport.

There is 1 airport near Niagara Falls, New York: Niagara Falls (IAG)

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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 15h 10m.
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.

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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.