Flights from Philadelphia to North London

Cheapest flights from Philadelphia

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.

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$496 Roundtrip, found 5 days ago

$496

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $496 found 5 days ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$497 Roundtrip, found 5 days ago

$497

Roundtrip

found 5 days ago

Select British Airways flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $497 found 5 days ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$500 Roundtrip, found 5 days ago

$500

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $500 found 5 days ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$518 Roundtrip, found 5 days ago

$518

Roundtrip

found 5 days ago

Select British Airways flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $518 found 5 days ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$522 Roundtrip, found 5 days ago

$522

Roundtrip

found 5 days ago

Select United flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $522 found 5 days ago

Wed, Dec 10 - Fri, Dec 19

PHL

Philadelphia Intl.

LHR

Heathrow

$531 Roundtrip, found 1 day ago

$531

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Wed, Dec 10 from Philadelphia Intl. to Heathrow, returning Fri, Dec 19, priced at $531 found 1 day ago

Sun, Sep 14 - Tue, Sep 23

PHL

Philadelphia Intl.

LHR

Heathrow

$531 Roundtrip, found 1 day ago

$531

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Sep 14 from Philadelphia Intl. to Heathrow, returning Tue, Sep 23, priced at $531 found 1 day ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$578 Roundtrip, found 5 days ago

$578

Roundtrip

found 5 days ago

Select Air Canada flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $578 found 5 days ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$585 Roundtrip, found 5 days ago

$585

Roundtrip

found 5 days ago

Select KLM flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $585 found 5 days ago

Tue, Sep 30 - Wed, Oct 15

PHL

Philadelphia Intl.

LGW

Gatwick

$600 Roundtrip, found 6 days ago

$600

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Sep 30 from Philadelphia Intl. to Gatwick, returning Wed, Oct 15, priced at $600 found 6 days ago

Sat, Sep 13 - Mon, Sep 29

PHL

Philadelphia Intl.

LHR

Heathrow

$652 Roundtrip, found 3 days ago

$652

Roundtrip

found 3 days ago

Select Lufthansa flight, departing Sat, Sep 13 from Philadelphia Intl. to Heathrow, returning Mon, Sep 29, priced at $652 found 3 days ago

Sat, Sep 13 - Fri, Sep 26

PHL

Philadelphia Intl.

LHR

Heathrow

$691 Roundtrip, found 1 day ago

$691

Roundtrip

found 1 day ago

Select Air France flight, departing Sat, Sep 13 from Philadelphia Intl. to Heathrow, returning Fri, Sep 26, priced at $691 found 1 day ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$718 Roundtrip, found 5 days ago

$718

Roundtrip

found 5 days ago

Select Finnair flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $718 found 5 days ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$722 Roundtrip, found 5 days ago

$722

Roundtrip

found 5 days ago

Select Aer Lingus flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $722 found 5 days ago

Wed, Oct 1 - Thu, Oct 16

PHL

Philadelphia Intl.

LCY

London City

$728 Roundtrip, found 6 days ago

$728

Roundtrip

found 6 days ago

Select Lufthansa flight, departing Wed, Oct 1 from Philadelphia Intl. to London City, returning Thu, Oct 16, priced at $728 found 6 days ago

Mon, Aug 25 - Wed, Sep 10

PHL

Philadelphia Intl.

LHR

Heathrow

$746 Roundtrip, found 5 days ago

$746

Roundtrip

found 5 days ago

Select Iberia flight, departing Mon, Aug 25 from Philadelphia Intl. to Heathrow, returning Wed, Sep 10, priced at $746 found 5 days ago

Wed, Oct 1 - Thu, Oct 16

PHL

Philadelphia Intl.

LHR

Heathrow

$762 Roundtrip, found 6 days ago

$762

Roundtrip

found 6 days ago

Select TAP Portugal flight, departing Wed, Oct 1 from Philadelphia Intl. to Heathrow, returning Thu, Oct 16, priced at $762 found 6 days ago

Wed, Feb 18 - Tue, Mar 17

PHL

Philadelphia Intl.

LHR

Heathrow

$902 Roundtrip, found 6 days ago

$902

Roundtrip

found 6 days ago

Select Icelandair flight, departing Wed, Feb 18 from Philadelphia Intl. to Heathrow, returning Tue, Mar 17, priced at $902 found 6 days ago

Wed, Oct 1 - Thu, Oct 16

PHL

Philadelphia Intl.

LHR

Heathrow

$929 Roundtrip, found 6 days ago

$929

Roundtrip

found 6 days ago

Select Swiss International Air Lines flight, departing Wed, Oct 1 from Philadelphia Intl. to Heathrow, returning Thu, Oct 16, priced at $929 found 6 days ago

Tue, May 26 - Fri, Jun 12

PHL

Philadelphia Intl.

LHR

Heathrow

$1,740 Roundtrip, found 5 hours ago

$1,740

Roundtrip

found 5 hours ago

Select Scandinavian Airlines flight, departing Tue, May 26 from Philadelphia Intl. to Heathrow, returning Fri, Jun 12, priced at $1,740 found 5 hours ago