$99 Cheap United flights Boston (BOS) to Chicago (ORD)

$99 Cheap United flights Boston (BOS) to Chicago (ORD)

Prices were available within the past 7 days and start at $99 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 12 - Sun, Jun 14

BOS

Boston

ORD

Chicago

$205 Roundtrip, found 8 hours ago

$205

Roundtrip

found 8 hours ago

Select United flight, departing Fri, Jun 12 from Boston to Chicago, returning Sun, Jun 14, priced at $205 found 8 hours ago

Sat, Sep 19 - Sun, Sep 27

BOS

Boston

ORD

Chicago

$215 Roundtrip, found 5 days ago

$215

Roundtrip

found 5 days ago

Select United flight, departing Sat, Sep 19 from Boston to Chicago, returning Sun, Sep 27, priced at $215 found 5 days ago

Sun, Jun 21 - Wed, Jun 24

BOS

Boston

ORD

Chicago

$231 Roundtrip, found 1 day ago

$231

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jun 21 from Boston to Chicago, returning Wed, Jun 24, priced at $231 found 1 day ago

Fri, Jun 12 - Sun, Jun 14

BOS

Boston

ORD

Chicago

$245 Roundtrip, found 8 hours ago

$245

Roundtrip

found 8 hours ago

Select United flight, departing Fri, Jun 12 from Boston to Chicago, returning Sun, Jun 14, priced at $245 found 8 hours ago

Sat, May 30 - Mon, Jun 1

BOS

Boston

ORD

Chicago

$249 Roundtrip, found 3 days ago

$249

Roundtrip

found 3 days ago

Select United flight, departing Sat, May 30 from Boston to Chicago, returning Mon, Jun 1, priced at $249 found 3 days ago

Fri, Jun 12 - Sun, Jun 14

BOS

Boston

ORD

Chicago

$250 Roundtrip, found 8 hours ago

$250

Roundtrip

found 8 hours ago

Select United flight, departing Fri, Jun 12 from Boston to Chicago, returning Sun, Jun 14, priced at $250 found 8 hours ago