$91 Cheap Frontier Airlines flights Boston (BOS) to Phoenix (PHX)

$91 Cheap Frontier Airlines flights Boston (BOS) to Phoenix (PHX)

Prices were available within the past 7 days and start at $91 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 23 - Tue, Apr 28

BOS

Boston

PHX

Phoenix

$240 Roundtrip, found 2 days ago

$240

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Boston to Phoenix, returning Tue, Apr 28, priced at $240 found 2 days ago

Sat, May 16 - Wed, May 27

BOS

Boston

PHX

Phoenix

$259 Roundtrip, found 3 days ago

$259

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, May 16 from Boston to Phoenix, returning Wed, May 27, priced at $259 found 3 days ago

Thu, Apr 23 - Thu, Apr 30

BOS

Boston

PHX

Phoenix

$260 Roundtrip, found 2 days ago

$260

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Apr 23 from Boston to Phoenix, returning Thu, Apr 30, priced at $260 found 2 days ago

Wed, Apr 22 - Tue, Apr 28

BOS

Boston

PHX

Phoenix

$266 Roundtrip, found 2 days ago

$266

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Apr 22 from Boston to Phoenix, returning Tue, Apr 28, priced at $266 found 2 days ago

Wed, Apr 22 - Thu, Apr 30

BOS

Boston

PHX

Phoenix

$286 Roundtrip, found 2 days ago

$286

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Apr 22 from Boston to Phoenix, returning Thu, Apr 30, priced at $286 found 2 days ago

Tue, Apr 14 - Fri, Apr 17

BOS

Boston

PHX

Phoenix

$290 Roundtrip, found 1 day ago

$290

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Apr 14 from Boston to Phoenix, returning Fri, Apr 17, priced at $290 found 1 day ago