$121 Cheap Frontier Airlines flights Chicago (MDW) to Boston (BOS)

$121 Cheap Frontier Airlines flights Chicago (MDW) to Boston (BOS)

Prices were available within the past 7 days and start at $121 for one-way flights and $230 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 16 - Mon, May 19

MDW

Chicago

BOS

Boston

$230 Roundtrip, found 1 day ago

$230

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, May 16 from Chicago to Boston, returning Mon, May 19, priced at $230 found 1 day ago

Mon, May 12 - Mon, May 19

MDW

Chicago

BOS

Boston

$231 Roundtrip, found 1 day ago

$231

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 12 from Chicago to Boston, returning Mon, May 19, priced at $231 found 1 day ago

Thu, May 15 - Mon, May 19

MDW

Chicago

BOS

Boston

$249 Roundtrip, found 1 day ago

$249

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from Chicago to Boston, returning Mon, May 19, priced at $249 found 1 day ago

Sun, May 18 - Mon, May 19

MDW

Chicago

BOS

Boston

$250 Roundtrip, found 1 day ago

$250

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 18 from Chicago to Boston, returning Mon, May 19, priced at $250 found 1 day ago

Mon, May 12 - Fri, May 16

MDW

Chicago

BOS

Boston

$251 Roundtrip, found 1 day ago

$251

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 12 from Chicago to Boston, returning Fri, May 16, priced at $251 found 1 day ago

Thu, May 15 - Mon, May 19

MDW

Chicago

BOS

Boston

$260 Roundtrip, found 1 day ago

$260

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from Chicago to Boston, returning Mon, May 19, priced at $260 found 1 day ago

Thu, May 15 - Mon, May 19

MDW

Chicago

BOS

Boston

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from Chicago to Boston, returning Mon, May 19, priced at $277 found 1 day ago

Fri, May 16 - Thu, May 22

MDW

Chicago

BOS

Boston

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, May 16 from Chicago to Boston, returning Thu, May 22, priced at $280 found 1 day ago

Mon, May 12 - Thu, May 22

MDW

Chicago

BOS

Boston

$281 Roundtrip, found 1 day ago

$281

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 12 from Chicago to Boston, returning Thu, May 22, priced at $281 found 1 day ago