American Airlines Flight AA728 Deals & Information (2025/2026)

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American Airlines Flight 728 Route Deals From $443

The cheapest prices found with in the last 7 days for return flights were $491 and $443 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 4 - Mon, Nov 17
PHL
Philadelphia Intl.
LHR
Heathrow
$491 Roundtrip, just found
$491
Roundtrip
just found
Select American Airlines flight, departing Tue, Nov 4 from Philadelphia Intl. to Heathrow, returning Mon, Nov 17, priced at $491 just found
Wed, Oct 15 - Tue, Oct 21
PHL
Philadelphia Intl.
LHR
Heathrow
$495 Roundtrip, found 1 hour ago
$495
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Oct 15 from Philadelphia Intl. to Heathrow, returning Tue, Oct 21, priced at $495 found 1 hour ago
Tue, Nov 4 - Mon, Nov 17
PHL
Philadelphia Intl.
LHR
Heathrow
$496 Roundtrip, just found
$496
Roundtrip
just found
Select American Airlines flight, departing Tue, Nov 4 from Philadelphia Intl. to Heathrow, returning Mon, Nov 17, priced at $496 just found
Tue, Nov 4 - Mon, Nov 17
PHL
Philadelphia Intl.
LHR
Heathrow
$497 Roundtrip, just found
$497
Roundtrip
just found
Select American Airlines flight, departing Tue, Nov 4 from Philadelphia Intl. to Heathrow, returning Mon, Nov 17, priced at $497 just found
Wed, Oct 15 - Tue, Oct 21
PHL
Philadelphia Intl.
LHR
Heathrow
$499 Roundtrip, found 1 hour ago
$499
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Oct 15 from Philadelphia Intl. to Heathrow, returning Tue, Oct 21, priced at $499 found 1 hour ago
Wed, Oct 15 - Tue, Oct 21
PHL
Philadelphia Intl.
LHR
Heathrow
$500 Roundtrip, found 1 hour ago
$500
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Oct 15 from Philadelphia Intl. to Heathrow, returning Tue, Oct 21, priced at $500 found 1 hour ago
Tue, Nov 4 - Mon, Nov 17
PHL
Philadelphia Intl.
LHR
Heathrow
$501 Roundtrip, just found
$501
Roundtrip
just found
Select American Airlines flight, departing Tue, Nov 4 from Philadelphia Intl. to Heathrow, returning Mon, Nov 17, priced at $501 just found
Wed, Oct 15 - Tue, Oct 21
PHL
Philadelphia Intl.
LHR
Heathrow
$508 Roundtrip, found 1 hour ago
$508
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Oct 15 from Philadelphia Intl. to Heathrow, returning Tue, Oct 21, priced at $508 found 1 hour ago
Tue, Nov 4 - Mon, Nov 17
PHL
Philadelphia Intl.
LHR
Heathrow
$509 Roundtrip, just found
$509
Roundtrip
just found
Select American Airlines flight, departing Tue, Nov 4 from Philadelphia Intl. to Heathrow, returning Mon, Nov 17, priced at $509 just found
Mon, Mar 16 - Tue, Mar 24
PHL
Philadelphia Intl.
LHR
Heathrow
$509 Roundtrip, found 3 days ago
$509
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Mar 16 from Philadelphia Intl. to Heathrow, returning Tue, Mar 24, priced at $509 found 3 days ago