Flights from Boston to Philadelphia

Cheapest flights from Boston

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 30 - Tue, Oct 7

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$207 Roundtrip, found 1 day ago

$207

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Logan Intl. to Lehigh Valley Intl., returning Tue, Oct 7, priced at $207 found 1 day ago

Sun, Aug 10 - Tue, Aug 12

BOS

Logan Intl.

PHL

Philadelphia Intl.

$234 Roundtrip, found 4 days ago

$234

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Logan Intl. to Philadelphia Intl., returning Tue, Aug 12, priced at $234 found 4 days ago

Tue, Sep 30 - Mon, Oct 6

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$236 Roundtrip, found 1 day ago

$236

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Logan Intl. to Lehigh Valley Intl., returning Mon, Oct 6, priced at $236 found 1 day ago

Sun, Aug 10 - Thu, Aug 14

BOS

Logan Intl.

PHL

Philadelphia Intl.

$248 Roundtrip, found 1 day ago

$248

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Logan Intl. to Philadelphia Intl., returning Thu, Aug 14, priced at $248 found 1 day ago

Thu, Oct 2 - Mon, Oct 6

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$266 Roundtrip, found 1 day ago

$266

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Oct 2 from Logan Intl. to Lehigh Valley Intl., returning Mon, Oct 6, priced at $266 found 1 day ago

Tue, Sep 30 - Sun, Oct 5

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$275 Roundtrip, found 1 day ago

$275

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Logan Intl. to Lehigh Valley Intl., returning Sun, Oct 5, priced at $275 found 1 day ago

Thu, Oct 2 - Sun, Oct 5

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Oct 2 from Logan Intl. to Lehigh Valley Intl., returning Sun, Oct 5, priced at $304 found 1 day ago

Wed, Oct 1 - Sun, Oct 5

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$312 Roundtrip, found 1 day ago

$312

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Oct 1 from Logan Intl. to Lehigh Valley Intl., returning Sun, Oct 5, priced at $312 found 1 day ago

Wed, Oct 1 - Sun, Oct 5

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$332 Roundtrip, found 1 day ago

$332

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Oct 1 from Logan Intl. to Lehigh Valley Intl., returning Sun, Oct 5, priced at $332 found 1 day ago

Tue, Sep 30 - Fri, Oct 3

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Logan Intl. to Lehigh Valley Intl., returning Fri, Oct 3, priced at $339 found 1 day ago

Mon, Sep 29 - Thu, Oct 2

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$343 Roundtrip, found 1 day ago

$343

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Sep 29 from Logan Intl. to Lehigh Valley Intl., returning Thu, Oct 2, priced at $343 found 1 day ago

Wed, Sep 24 - Mon, Sep 29

MHT

Manchester-Boston Regional

PHL

Philadelphia Intl.

$344 Roundtrip, found 6 hours ago

$344

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Wed, Sep 24 from Manchester-Boston Regional to Philadelphia Intl., returning Mon, Sep 29, priced at $344 found 6 hours ago

Tue, Sep 30 - Thu, Oct 2

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$349 Roundtrip, found 1 day ago

$349

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 30 from Logan Intl. to Lehigh Valley Intl., returning Thu, Oct 2, priced at $349 found 1 day ago

Wed, Sep 24 - Mon, Sep 29

MHT

Manchester-Boston Regional

PHL

Philadelphia Intl.

$354 Roundtrip, found 6 hours ago

$354

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Wed, Sep 24 from Manchester-Boston Regional to Philadelphia Intl., returning Mon, Sep 29, priced at $354 found 6 hours ago

Thu, Oct 2 - Fri, Oct 3

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$363 Roundtrip, found 1 day ago

$363

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Oct 2 from Logan Intl. to Lehigh Valley Intl., returning Fri, Oct 3, priced at $363 found 1 day ago

Wed, Sep 24 - Mon, Sep 29

MHT

Manchester-Boston Regional

PHL

Philadelphia Intl.

$364 Roundtrip, found 6 hours ago

$364

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Wed, Sep 24 from Manchester-Boston Regional to Philadelphia Intl., returning Mon, Sep 29, priced at $364 found 6 hours ago

Tue, Sep 23 - Sat, Sep 27

MHT

Manchester-Boston Regional

PHL

Philadelphia Intl.

$369 Roundtrip, found 6 hours ago

$369

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Tue, Sep 23 from Manchester-Boston Regional to Philadelphia Intl., returning Sat, Sep 27, priced at $369 found 6 hours ago

Wed, Oct 1 - Sun, Oct 5

BOS

Logan Intl.

ABE

Lehigh Valley Intl.

$372 Roundtrip, found 1 day ago

$372

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Oct 1 from Logan Intl. to Lehigh Valley Intl., returning Sun, Oct 5, priced at $372 found 1 day ago

Tue, Sep 23 - Fri, Sep 26

MHT

Manchester-Boston Regional

PHL

Philadelphia Intl.

$433 Roundtrip, found 2 days ago

$433

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep 23 from Manchester-Boston Regional to Philadelphia Intl., returning Fri, Sep 26, priced at $433 found 2 days ago

Fri, Mar 13 - Mon, Mar 16

PVD

T.F. Green

PHL

Philadelphia Intl.

$757 Roundtrip, found 3 days ago

$757

Roundtrip

found 3 days ago

Select Delta flight, departing Fri, Mar 13 from T.F. Green to Philadelphia Intl., returning Mon, Mar 16, priced at $757 found 3 days ago