Flights from Buffalo to Chicago

Cheapest flights from Buffalo

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.

Tue, Aug 26 - Mon, Sep 1

BUF

Buffalo Niagara Intl.

ORD

O'Hare Intl.

$137 Roundtrip, found 6 days ago

$137

Roundtrip

found 6 days ago

Select United flight, departing Tue, Aug 26 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $137 found 6 days ago

Thu, Jun 5 - Mon, Jun 9

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$177 Roundtrip, found 6 days ago

$177

Roundtrip

found 6 days ago

Select Delta flight, departing Thu, Jun 5 from Buffalo Niagara Intl. to Midway Intl., returning Mon, Jun 9, priced at $177 found 6 days ago

Sat, Jun 7 - Tue, Jun 10

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$183 Roundtrip, found 6 days ago

$183

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Tue, Jun 10, priced at $183 found 6 days ago

Sat, Jun 7 - Mon, Jun 9

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$198 Roundtrip, found 6 days ago

$198

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Mon, Jun 9, priced at $198 found 6 days ago

Sat, Aug 30 - Mon, Sep 1

BUF

Buffalo Niagara Intl.

ORD

O'Hare Intl.

$198 Roundtrip, found 6 days ago

$198

Roundtrip

found 6 days ago

Select United flight, departing Sat, Aug 30 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $198 found 6 days ago

Sat, Jun 7 - Sun, Jun 8

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$198 Roundtrip, found 6 days ago

$198

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Sun, Jun 8, priced at $198 found 6 days ago

Thu, Jun 5 - Sun, Jun 8

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$208 Roundtrip, found 6 days ago

$208

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Buffalo Niagara Intl. to Midway Intl., returning Sun, Jun 8, priced at $208 found 6 days ago

Thu, Jun 5 - Fri, Jun 13

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$211 Roundtrip, found 6 days ago

$211

Roundtrip

found 6 days ago

Select Delta flight, departing Thu, Jun 5 from Buffalo Niagara Intl. to Midway Intl., returning Fri, Jun 13, priced at $211 found 6 days ago

Fri, Aug 29 - Mon, Sep 1

BUF

Buffalo Niagara Intl.

ORD

O'Hare Intl.

$211 Roundtrip, found 6 days ago

$211

Roundtrip

found 6 days ago

Select United flight, departing Fri, Aug 29 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $211 found 6 days ago

Sat, Jun 7 - Sat, Jun 7

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$219 Roundtrip, found 6 days ago

$219

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Sat, Jun 7, priced at $219 found 6 days ago

Sat, Jun 7 - Thu, Jun 12

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$221 Roundtrip, found 6 days ago

$221

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Thu, Jun 12, priced at $221 found 6 days ago

Sun, Aug 31 - Mon, Sep 1

BUF

Buffalo Niagara Intl.

ORD

O'Hare Intl.

$223 Roundtrip, found 6 days ago

$223

Roundtrip

found 6 days ago

Select United flight, departing Sun, Aug 31 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $223 found 6 days ago

Mon, Jun 9 - Thu, Jun 12

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$231 Roundtrip, found 6 days ago

$231

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Buffalo Niagara Intl. to Midway Intl., returning Thu, Jun 12, priced at $231 found 6 days ago

Thu, Jun 5 - Wed, Jun 11

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$241 Roundtrip, found 6 days ago

$241

Roundtrip

found 6 days ago

Select Delta flight, departing Thu, Jun 5 from Buffalo Niagara Intl. to Midway Intl., returning Wed, Jun 11, priced at $241 found 6 days ago

Mon, Jun 9 - Mon, Jun 9

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$248 Roundtrip, found 6 days ago

$248

Roundtrip

found 6 days ago

Select Delta flight, departing Mon, Jun 9 from Buffalo Niagara Intl. to Midway Intl., returning Mon, Jun 9, priced at $248 found 6 days ago

Sat, Jun 7 - Tue, Jun 10

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$258 Roundtrip, found 6 days ago

$258

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Tue, Jun 10, priced at $258 found 6 days ago

Mon, Sep 1 - Mon, Sep 1

BUF

Buffalo Niagara Intl.

ORD

O'Hare Intl.

$259 Roundtrip, found 6 days ago

$259

Roundtrip

found 6 days ago

Select United flight, departing Mon, Sep 1 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Sep 1, priced at $259 found 6 days ago

Sat, Jun 7 - Wed, Jun 11

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$262 Roundtrip, found 6 days ago

$262

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Wed, Jun 11, priced at $262 found 6 days ago

Sat, Jun 7 - Tue, Jun 10

BUF

Buffalo Niagara Intl.

MDW

Midway Intl.

$269 Roundtrip, found 6 days ago

$269

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Jun 7 from Buffalo Niagara Intl. to Midway Intl., returning Tue, Jun 10, priced at $269 found 6 days ago

Sun, Aug 31 - Sun, Aug 31

BUF

Buffalo Niagara Intl.

ORD

O'Hare Intl.

$309 Roundtrip, found 6 days ago

$309

Roundtrip

found 6 days ago

Select American Airlines flight, departing Sun, Aug 31 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Aug 31, priced at $309 found 6 days ago