British Airways Flight 1577 Deals & Information (2026/2027)

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British Airways Flight 1577 Route Deals From $561

The cheapest prices found with in the last 7 days for return flights were $792 and $561 for one-way flights to Philadelphia Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 1 - Tue, Nov 10
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$792 Roundtrip, found 2 days ago
$792
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Nov 1 from Humberto Delgado to Philadelphia Intl., returning Tue, Nov 10, priced at $792 found 2 days ago
Thu, Dec 3 - Mon, Dec 7
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$794 Roundtrip, found 12 hours ago
$794
Roundtrip
found 12 hours ago
Select British Airways flight, departing Thu, Dec 3 from Humberto Delgado to Philadelphia Intl., returning Mon, Dec 7, priced at $794 found 12 hours ago
Wed, Sep 23 - Sun, Oct 11
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$796 Roundtrip, found 11 hours ago
$796
Roundtrip
found 11 hours ago
Select British Airways flight, departing Wed, Sep 23 from Humberto Delgado to Philadelphia Intl., returning Sun, Oct 11, priced at $796 found 11 hours ago
Sun, Nov 1 - Tue, Nov 10
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$804 Roundtrip, found 2 days ago
$804
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Nov 1 from Humberto Delgado to Philadelphia Intl., returning Tue, Nov 10, priced at $804 found 2 days ago
Thu, Dec 3 - Mon, Dec 7
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$807 Roundtrip, found 12 hours ago
$807
Roundtrip
found 12 hours ago
Select British Airways flight, departing Thu, Dec 3 from Humberto Delgado to Philadelphia Intl., returning Mon, Dec 7, priced at $807 found 12 hours ago
Mon, Dec 7 - Tue, Dec 15
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$808 Roundtrip, found 6 days ago
$808
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Dec 7 from Humberto Delgado to Philadelphia Intl., returning Tue, Dec 15, priced at $808 found 6 days ago
Sun, Nov 1 - Tue, Nov 10
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$813 Roundtrip, found 2 days ago
$813
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Nov 1 from Humberto Delgado to Philadelphia Intl., returning Tue, Nov 10, priced at $813 found 2 days ago
Thu, Dec 3 - Mon, Dec 7
LIS
Humberto Delgado
PHL
Philadelphia Intl.
$815 Roundtrip, found 12 hours ago
$815
Roundtrip
found 12 hours ago
Select British Airways flight, departing Thu, Dec 3 from Humberto Delgado to Philadelphia Intl., returning Mon, Dec 7, priced at $815 found 12 hours ago