$146 Cheap Frontier Airlines flights Milwaukee (MKE) to Boston (BOS)

$146 Cheap Frontier Airlines flights Milwaukee (MKE) to Boston (BOS)

Prices were available within the past 7 days and start at $146 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 19 - Tue, Jun 23

MKE

Milwaukee

BOS

Boston

$239 Roundtrip, found 4 days ago

$239

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jun 19 from Milwaukee to Boston, returning Tue, Jun 23, priced at $239 found 4 days ago

Wed, Jun 10 - Wed, Jun 17

MKE

Milwaukee

BOS

Boston

$259 Roundtrip, found 6 hours ago

$259

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Milwaukee to Boston, returning Wed, Jun 17, priced at $259 found 6 hours ago

Fri, Jun 12 - Wed, Jun 17

MKE

Milwaukee

BOS

Boston

$260 Roundtrip, found 6 hours ago

$260

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Fri, Jun 12 from Milwaukee to Boston, returning Wed, Jun 17, priced at $260 found 6 hours ago

Fri, Jun 19 - Tue, Jun 23

MKE

Milwaukee

BOS

Boston

$293 Roundtrip, found 4 days ago

$293

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jun 19 from Milwaukee to Boston, returning Tue, Jun 23, priced at $293 found 4 days ago