$96 Cheap Frontier Airlines flights Phoenix (PHX) to Boston (BOS)

$96 Cheap Frontier Airlines flights Phoenix (PHX) to Boston (BOS)

Prices were available within the past 7 days and start at $96 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 26 - Mon, Mar 2

PHX

Phoenix

BOS

Boston

$158 Roundtrip, found 20 hours ago

$158

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Phoenix to Boston, returning Mon, Mar 2, priced at $158 found 20 hours ago

Thu, Feb 26 - Thu, Mar 12

PHX

Phoenix

BOS

Boston

$175 Roundtrip, found 20 hours ago

$175

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Phoenix to Boston, returning Thu, Mar 12, priced at $175 found 20 hours ago

Thu, Feb 26 - Sat, Feb 28

PHX

Phoenix

BOS

Boston

$196 Roundtrip, found 20 hours ago

$196

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Phoenix to Boston, returning Sat, Feb 28, priced at $196 found 20 hours ago

Thu, Feb 26 - Fri, Mar 6

PHX

Phoenix

BOS

Boston

$210 Roundtrip, found 20 hours ago

$210

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Phoenix to Boston, returning Fri, Mar 6, priced at $210 found 20 hours ago

Sat, Feb 14 - Sat, Feb 28

PHX

Phoenix

BOS

Boston

$213 Roundtrip, found 22 hours ago

$213

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sat, Feb 14 from Phoenix to Boston, returning Sat, Feb 28, priced at $213 found 22 hours ago

Thu, Feb 12 - Sat, Feb 28

PHX

Phoenix

BOS

Boston

$234 Roundtrip, found 22 hours ago

$234

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Thu, Feb 12 from Phoenix to Boston, returning Sat, Feb 28, priced at $234 found 22 hours ago