American Airlines Flight 4457 Deals & Information (2025/2026)

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American Airlines Flight 4457 Route Deals From $194

The cheapest prices found with in the last 7 days for return flights were $379 and $194 for one-way flights to Martha's Vineyard for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 22 - Sat, Aug 30
PHL
Philadelphia Intl.
MVY
Martha's Vineyard
$379 Roundtrip, found 7 hours ago
$379
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Aug 22 from Philadelphia Intl. to Martha's Vineyard, returning Sat, Aug 30, priced at $379 found 7 hours ago
Thu, Aug 21 - Wed, Aug 27
PHL
Philadelphia Intl.
MVY
Martha's Vineyard
$463 Roundtrip, found 7 hours ago
$463
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Aug 21 from Philadelphia Intl. to Martha's Vineyard, returning Wed, Aug 27, priced at $463 found 7 hours ago