Flights from Chicago to Buffalo

Cheapest flights from Chicago

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.

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$175 Roundtrip, found 13 hours ago

$175

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $175 found 13 hours ago

Mon, Aug 4 - Tue, Aug 5

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$177 Roundtrip, found 13 hours ago

$177

Roundtrip

found 13 hours ago

Select Delta flight, departing Mon, Aug 4 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Aug 5, priced at $177 found 13 hours ago

Mon, Aug 4 - Thu, Aug 7

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$197 Roundtrip, found 13 hours ago

$197

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Mon, Aug 4 from O'Hare Intl. to Buffalo Niagara Intl., returning Thu, Aug 7, priced at $197 found 13 hours ago

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$203 Roundtrip, found 13 hours ago

$203

Roundtrip

found 13 hours ago

Select Delta flight, departing Tue, Jul 29 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Aug 5, priced at $203 found 13 hours ago

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$206 Roundtrip, found 13 hours ago

$206

Roundtrip

found 13 hours ago

Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $206 found 13 hours ago

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$210 Roundtrip, found 13 hours ago

$210

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $210 found 13 hours ago

Thu, Jul 31 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$212 Roundtrip, found 13 hours ago

$212

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $212 found 13 hours ago

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$215 Roundtrip, found 13 hours ago

$215

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $215 found 13 hours ago

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$216 Roundtrip, found 13 hours ago

$216

Roundtrip

found 13 hours ago

Select Delta flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $216 found 13 hours ago

Wed, Jul 30 - Sun, Aug 3

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$220 Roundtrip, found 13 hours ago

$220

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Wed, Jul 30 from O'Hare Intl. to Buffalo Niagara Intl., returning Sun, Aug 3, priced at $220 found 13 hours ago

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$222 Roundtrip, found 13 hours ago

$222

Roundtrip

found 13 hours ago

Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $222 found 13 hours ago

Wed, Jul 30 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$222 Roundtrip, found 13 hours ago

$222

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $222 found 13 hours ago

Fri, Aug 1 - Sun, Aug 3

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$225 Roundtrip, found 13 hours ago

$225

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Sun, Aug 3, priced at $225 found 13 hours ago

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$226 Roundtrip, found 13 hours ago

$226

Roundtrip

found 13 hours ago

Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $226 found 13 hours ago

Mon, Aug 4 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$227 Roundtrip, found 13 hours ago

$227

Roundtrip

found 13 hours ago

Select United flight, departing Mon, Aug 4 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $227 found 13 hours ago

Tue, Jul 29 - Sat, Aug 2

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$229 Roundtrip, found 13 hours ago

$229

Roundtrip

found 13 hours ago

Select Delta flight, departing Tue, Jul 29 from O'Hare Intl. to Buffalo Niagara Intl., returning Sat, Aug 2, priced at $229 found 13 hours ago

Thu, Jul 31 - Thu, Aug 7

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$231 Roundtrip, found 13 hours ago

$231

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from O'Hare Intl. to Buffalo Niagara Intl., returning Thu, Aug 7, priced at $231 found 13 hours ago

Fri, Aug 1 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$232 Roundtrip, found 13 hours ago

$232

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $232 found 13 hours ago

Tue, Jul 29 - Mon, Aug 4

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$233 Roundtrip, found 13 hours ago

$233

Roundtrip

found 13 hours ago

Select American Airlines flight, departing Tue, Jul 29 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 4, priced at $233 found 13 hours ago

Fri, Aug 1 - Tue, Aug 5

ORD

O'Hare Intl.

BUF

Buffalo Niagara Intl.

$236 Roundtrip, found 13 hours ago

$236

Roundtrip

found 13 hours ago

Select Delta flight, departing Fri, Aug 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Aug 5, priced at $236 found 13 hours ago