$119 Cheap Frontier Airlines flights Boston (BOS) to Phoenix (PHX)

$119 Cheap Frontier Airlines flights Boston (BOS) to Phoenix (PHX)

Prices were available within the past 7 days and start at $119 for one-way flights and $184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 19 - Thu, Sep 25

BOS

Boston

PHX

Phoenix

$184 Roundtrip, found 8 hours ago

$184

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Boston to Phoenix, returning Thu, Sep 25, priced at $184 found 8 hours ago

Fri, Sep 19 - Thu, Sep 25

BOS

Boston

PHX

Phoenix

$204 Roundtrip, found 8 hours ago

$204

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Boston to Phoenix, returning Thu, Sep 25, priced at $204 found 8 hours ago

Thu, Sep 18 - Thu, Sep 25

BOS

Boston

PHX

Phoenix

$215 Roundtrip, found 9 hours ago

$215

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Boston to Phoenix, returning Thu, Sep 25, priced at $215 found 9 hours ago

Fri, Sep 19 - Sat, Sep 27

BOS

Boston

PHX

Phoenix

$226 Roundtrip, found 8 hours ago

$226

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Boston to Phoenix, returning Sat, Sep 27, priced at $226 found 8 hours ago

Fri, Sep 19 - Thu, Sep 25

BOS

Boston

PHX

Phoenix

$235 Roundtrip, found 8 hours ago

$235

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Boston to Phoenix, returning Thu, Sep 25, priced at $235 found 8 hours ago

Fri, Sep 19 - Sun, Sep 28

BOS

Boston

PHX

Phoenix

$282 Roundtrip, found 8 hours ago

$282

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Boston to Phoenix, returning Sun, Sep 28, priced at $282 found 8 hours ago