$156 Cheap Frontier Airlines flights Boston (BOS) to Phoenix (PHX)

$156 Cheap Frontier Airlines flights Boston (BOS) to Phoenix (PHX)

Prices were available within the past 7 days and start at $156 for one-way flights and $311 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 25 - Sun, Jul 27

BOS

Boston

PHX

Phoenix

$311 Roundtrip, found 6 days ago

$311

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Boston to Phoenix, returning Sun, Jul 27, priced at $311 found 6 days ago

Sat, Aug 9 - Wed, Aug 13

BOS

Boston

PHX

Phoenix

$331 Roundtrip, found 22 hours ago

$331

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Boston to Phoenix, returning Wed, Aug 13, priced at $331 found 22 hours ago