American Airlines Flight 4640 Deals & Information (2025/2026)

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American Airlines Flight 4640 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $168 and $81 for one-way flights to Nashville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 14 - Mon, Aug 18
DCA
Ronald Reagan Washington National
BNA
Nashville Intl.
$168 Roundtrip, found 7 hours ago
$168
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Ronald Reagan Washington National to Nashville Intl., returning Mon, Aug 18, priced at $168 found 7 hours ago
Thu, Sep 11 - Sat, Sep 13
DCA
Ronald Reagan Washington National
BNA
Nashville Intl.
$206 Roundtrip, found 4 days ago
$206
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 11 from Ronald Reagan Washington National to Nashville Intl., returning Sat, Sep 13, priced at $206 found 4 days ago
Thu, Aug 14 - Mon, Aug 18
DCA
Ronald Reagan Washington National
BNA
Nashville Intl.
$207 Roundtrip, found 7 hours ago
$207
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Ronald Reagan Washington National to Nashville Intl., returning Mon, Aug 18, priced at $207 found 7 hours ago
Fri, Sep 19 - Sun, Sep 21
DCA
Ronald Reagan Washington National
BNA
Nashville Intl.
$216 Roundtrip, found 23 hours ago
$216
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Sep 19 from Ronald Reagan Washington National to Nashville Intl., returning Sun, Sep 21, priced at $216 found 23 hours ago

Frequently asked questions

What route does flight number AA4640 take?
AA4640 is used on a range of routes. Typically, AA4640 flies directly from Philadelphia, PA Airport (PHL-Philadelphia Intl.) to Indianapolis, IN Airport (IND-Indianapolis Intl.). If you've booked a seat on this route, you'll be up above the clouds for around 1 hour and 57 minutes.
What kind of plane is on flight number AA4640?
It's more than likely you'll be boarding an Embraer 175 if you've booked a ticket on flight number AA4640 from Philadelphia Airport to Indianapolis, IN Airport (IND-Indianapolis Intl.). This is the most commonly used aircraft on this busy route.
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 AA4640 flight with Travelocity, please visit our Customer Service Portal.