Flights from Denver to Niagara Falls

Cheapest flights from Denver

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 25 - Wed, Jul 2

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$188 Roundtrip, found 21 hours ago

$188

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Denver Intl. to Buffalo Niagara Intl., returning Wed, Jul 2, priced at $188 found 21 hours ago

Mon, Jun 23 - Wed, Jul 2

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$199 Roundtrip, found 21 hours ago

$199

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Mon, Jun 23 from Denver Intl. to Buffalo Niagara Intl., returning Wed, Jul 2, priced at $199 found 21 hours ago

Wed, Jun 25 - Mon, Jun 30

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$235 Roundtrip, found 21 hours ago

$235

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Denver Intl. to Buffalo Niagara Intl., returning Mon, Jun 30, priced at $235 found 21 hours ago

Mon, Jun 23 - Fri, Jun 27

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$237 Roundtrip, found 21 hours ago

$237

Roundtrip

found 21 hours ago

Select Delta flight, departing Mon, Jun 23 from Denver Intl. to Buffalo Niagara Intl., returning Fri, Jun 27, priced at $237 found 21 hours ago

Mon, Jun 23 - Mon, Jun 30

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$246 Roundtrip, found 21 hours ago

$246

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Mon, Jun 23 from Denver Intl. to Buffalo Niagara Intl., returning Mon, Jun 30, priced at $246 found 21 hours ago

Mon, Jun 23 - Sun, Jun 29

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$251 Roundtrip, found 21 hours ago

$251

Roundtrip

found 21 hours ago

Select JetBlue Airways flight, departing Mon, Jun 23 from Denver Intl. to Buffalo Niagara Intl., returning Sun, Jun 29, priced at $251 found 21 hours ago

Thu, Jun 26 - Fri, Jun 27

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$258 Roundtrip, found 21 hours ago

$258

Roundtrip

found 21 hours ago

Select Delta flight, departing Thu, Jun 26 from Denver Intl. to Buffalo Niagara Intl., returning Fri, Jun 27, priced at $258 found 21 hours ago

Sun, Jun 22 - Wed, Jul 2

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$260 Roundtrip, found 21 hours ago

$260

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sun, Jun 22 from Denver Intl. to Buffalo Niagara Intl., returning Wed, Jul 2, priced at $260 found 21 hours ago

Tue, Jun 24 - Mon, Jun 30

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$277 Roundtrip, found 21 hours ago

$277

Roundtrip

found 21 hours ago

Select United flight, departing Tue, Jun 24 from Denver Intl. to Buffalo Niagara Intl., returning Mon, Jun 30, priced at $277 found 21 hours ago

Sat, Jun 28 - Mon, Jun 30

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$287 Roundtrip, found 21 hours ago

$287

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sat, Jun 28 from Denver Intl. to Buffalo Niagara Intl., returning Mon, Jun 30, priced at $287 found 21 hours ago

Wed, Jun 25 - Sat, Jun 28

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$297 Roundtrip, found 21 hours ago

$297

Roundtrip

found 21 hours ago

Select United flight, departing Wed, Jun 25 from Denver Intl. to Buffalo Niagara Intl., returning Sat, Jun 28, priced at $297 found 21 hours ago

Sat, Jun 28 - Sat, Jun 28

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$298 Roundtrip, found 21 hours ago

$298

Roundtrip

found 21 hours ago

Select Delta flight, departing Sat, Jun 28 from Denver Intl. to Buffalo Niagara Intl., returning Sat, Jun 28, priced at $298 found 21 hours ago

Sun, Jun 22 - Fri, Jun 27

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$311 Roundtrip, found 21 hours ago

$311

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sun, Jun 22 from Denver Intl. to Buffalo Niagara Intl., returning Fri, Jun 27, priced at $311 found 21 hours ago

Thu, Jun 26 - Mon, Jun 30

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$317 Roundtrip, found 21 hours ago

$317

Roundtrip

found 21 hours ago

Select American Airlines flight, departing Thu, Jun 26 from Denver Intl. to Buffalo Niagara Intl., returning Mon, Jun 30, priced at $317 found 21 hours ago

Thu, Jun 26 - Sat, Jun 28

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$317 Roundtrip, found 21 hours ago

$317

Roundtrip

found 21 hours ago

Select JetBlue Airways flight, departing Thu, Jun 26 from Denver Intl. to Buffalo Niagara Intl., returning Sat, Jun 28, priced at $317 found 21 hours ago

Sun, Jun 22 - Sun, Jun 29

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$325 Roundtrip, found 21 hours ago

$325

Roundtrip

found 21 hours ago

Select United flight, departing Sun, Jun 22 from Denver Intl. to Buffalo Niagara Intl., returning Sun, Jun 29, priced at $325 found 21 hours ago

Sun, Jun 22 - Thu, Jun 26

DEN

Denver Intl.

BUF

Buffalo Niagara Intl.

$361 Roundtrip, found 21 hours ago

$361

Roundtrip

found 21 hours ago

Select United flight, departing Sun, Jun 22 from Denver Intl. to Buffalo Niagara Intl., returning Thu, Jun 26, priced at $361 found 21 hours ago