$126 Cheap Frontier Airlines flights Phoenix (PHX) to Boston (BOS)

$126 Cheap Frontier Airlines flights Phoenix (PHX) to Boston (BOS)

Prices were available within the past 7 days and start at $126 for one-way flights and $252 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 29 - Wed, Aug 5

PHX

Phoenix

BOS

Boston

$252 Roundtrip, found 14 hours ago

$252

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 29 from Phoenix to Boston, returning Wed, Aug 5, priced at $252 found 14 hours ago

Mon, Aug 3 - Wed, Aug 5

PHX

Phoenix

BOS

Boston

$260 Roundtrip, found 14 hours ago

$260

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Aug 3 from Phoenix to Boston, returning Wed, Aug 5, priced at $260 found 14 hours ago

Wed, Aug 5 - Mon, Aug 10

PHX

Phoenix

BOS

Boston

$313 Roundtrip, found 2 days ago

$313

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Aug 5 from Phoenix to Boston, returning Mon, Aug 10, priced at $313 found 2 days ago

Mon, Sep 28 - Mon, Oct 5

PHX

Phoenix

BOS

Boston

$316 Roundtrip, found 5 days ago

$316

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Sep 28 from Phoenix to Boston, returning Mon, Oct 5, priced at $316 found 5 days ago

Mon, Aug 3 - Mon, Aug 10

PHX

Phoenix

BOS

Boston

$321 Roundtrip, found 2 days ago

$321

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Aug 3 from Phoenix to Boston, returning Mon, Aug 10, priced at $321 found 2 days ago

Wed, Jul 29 - Mon, Aug 3

PHX

Phoenix

BOS

Boston

$345 Roundtrip, found 14 hours ago

$345

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 29 from Phoenix to Boston, returning Mon, Aug 3, priced at $345 found 14 hours ago

Mon, Aug 3 - Thu, Aug 6

PHX

Phoenix

BOS

Boston

$353 Roundtrip, found 14 hours ago

$353

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Aug 3 from Phoenix to Boston, returning Thu, Aug 6, priced at $353 found 14 hours ago