American Airlines Flight 4555 Deals & Information (2026/2027)

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American Airlines Flight 4555 Route Deals From $238

The cheapest prices found with in the last 7 days for return flights were $396 and $238 for one-way flights to Barnstable Municipal for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 10 - Fri, Aug 14
DCA
Ronald Reagan Washington National
HYA
Barnstable Municipal
$396 Roundtrip, found 4 days ago
$396
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Aug 10 from Ronald Reagan Washington National to Barnstable Municipal, returning Fri, Aug 14, priced at $396 found 4 days ago
Mon, Aug 10 - Fri, Aug 14
DCA
Ronald Reagan Washington National
HYA
Barnstable Municipal
$431 Roundtrip, found 4 days ago
$431
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Aug 10 from Ronald Reagan Washington National to Barnstable Municipal, returning Fri, Aug 14, priced at $431 found 4 days ago
Thu, Jul 16 - Fri, Jul 17
DCA
Ronald Reagan Washington National
HYA
Barnstable Municipal
$480 Roundtrip, found 18 hours ago
$480
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Jul 16 from Ronald Reagan Washington National to Barnstable Municipal, returning Fri, Jul 17, priced at $480 found 18 hours ago
Wed, Jul 15 - Sun, Jul 19
DCA
Ronald Reagan Washington National
HYA
Barnstable Municipal
$496 Roundtrip, found 1 day ago
$496
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jul 15 from Ronald Reagan Washington National to Barnstable Municipal, returning Sun, Jul 19, priced at $496 found 1 day ago
Thu, Jul 16 - Fri, Jul 17
DCA
Ronald Reagan Washington National
HYA
Barnstable Municipal
$521 Roundtrip, found 18 hours ago
$521
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Jul 16 from Ronald Reagan Washington National to Barnstable Municipal, returning Fri, Jul 17, priced at $521 found 18 hours ago
Thu, Jul 16 - Sun, Jul 19
DCA
Ronald Reagan Washington National
HYA
Barnstable Municipal
$527 Roundtrip, found 18 hours ago
$527
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Jul 16 from Ronald Reagan Washington National to Barnstable Municipal, returning Sun, Jul 19, priced at $527 found 18 hours ago
Wed, Jul 15 - Sun, Jul 19
DCA
Ronald Reagan Washington National
HYA
Barnstable Municipal
$665 Roundtrip, found 1 day ago
$665
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jul 15 from Ronald Reagan Washington National to Barnstable Municipal, returning Sun, Jul 19, priced at $665 found 1 day ago

Frequently asked questions

What route does flight number AA4555 take?
AA4555 is used on multiple routes, but the most common is between Martha's Vineyard Airport and DCA. If on a non-stop flight, you'll land in around 1 hour and 38 minutes. Multi-stop flights can also travel under the same number, as can services on other routes.
What kind of plane is on flight number AA4555?
If you have a seat on flight AA4555 from Martha's Vineyard Airport to National Airport, you're likely to be cruising aboard an Embraer 175. Flight AA4555 serves more than one route, but this is the most popular.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AA4555 flight with Travelocity, please visit our Customer Service Portal.