$74 Cheap Frontier Airlines flights Boston (BOS) to Chicago (MDW)

$74 Cheap Frontier Airlines flights Boston (BOS) to Chicago (MDW)

Prices were available within the past 7 days and start at $74 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 8 - Thu, Dec 11

BOS

Boston

MDW

Chicago

$120 Roundtrip, found 15 hours ago

$120

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Dec 8 from Boston to Chicago, returning Thu, Dec 11, priced at $120 found 15 hours ago

Thu, Jan 22 - Sun, Feb 8

BOS

Boston

MDW

Chicago

$134 Roundtrip, found 15 hours ago

$134

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Thu, Jan 22 from Boston to Chicago, returning Sun, Feb 8, priced at $134 found 15 hours ago

Mon, Jan 5 - Thu, Jan 22

BOS

Boston

MDW

Chicago

$137 Roundtrip, found 15 hours ago

$137

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Boston to Chicago, returning Thu, Jan 22, priced at $137 found 15 hours ago

Sun, Jan 11 - Thu, Jan 22

BOS

Boston

MDW

Chicago

$138 Roundtrip, found 15 hours ago

$138

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Sun, Jan 11 from Boston to Chicago, returning Thu, Jan 22, priced at $138 found 15 hours ago

Fri, Jan 23 - Fri, Feb 6

BOS

Boston

MDW

Chicago

$148 Roundtrip, found 15 hours ago

$148

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Fri, Jan 23 from Boston to Chicago, returning Fri, Feb 6, priced at $148 found 15 hours ago

Mon, Jan 5 - Fri, Jan 23

BOS

Boston

MDW

Chicago

$151 Roundtrip, found 15 hours ago

$151

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Boston to Chicago, returning Fri, Jan 23, priced at $151 found 15 hours ago