American Airlines Flight AA4457 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

American Airlines Flight 4457 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $321 and $227 for one-way flights to Martha's Vineyard for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 25 - Thu, Aug 28
PHL
Philadelphia Intl.
MVY
Martha's Vineyard
$321 Roundtrip, found 5 days ago
$321
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 25 from Philadelphia Intl. to Martha's Vineyard, returning Thu, Aug 28, priced at $321 found 5 days ago
Mon, Aug 25 - Wed, Aug 27
PHL
Philadelphia Intl.
MVY
Martha's Vineyard
$399 Roundtrip, found 5 days ago
$399
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 25 from Philadelphia Intl. to Martha's Vineyard, returning Wed, Aug 27, priced at $399 found 5 days ago
Wed, Jul 23 - Wed, Jul 30
PHL
Philadelphia Intl.
MVY
Martha's Vineyard
$449 Roundtrip, found 5 days ago
$449
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jul 23 from Philadelphia Intl. to Martha's Vineyard, returning Wed, Jul 30, priced at $449 found 5 days ago