American Airlines Flight 5640 Deals & Information (2025/2026)

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American Airlines Flight 5640 Route Deals From $168

The cheapest prices found with in the last 7 days for return flights were $255 and $168 for one-way flights to Capital Region Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 8 - Tue, Oct 14
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$255 Roundtrip, found 6 days ago
$255
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 8 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 14, priced at $255 found 6 days ago
Wed, Oct 8 - Tue, Oct 14
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$255 Roundtrip, found 6 days ago
$255
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 8 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 14, priced at $255 found 6 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$259 Roundtrip, found 6 days ago
$259
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 1 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 7, priced at $259 found 6 days ago
Wed, Oct 8 - Tue, Oct 14
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$260 Roundtrip, found 6 days ago
$260
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 8 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 14, priced at $260 found 6 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 1 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 7, priced at $265 found 6 days ago
Fri, Nov 7 - Tue, Nov 11
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$290 Roundtrip, found 1 day ago
$290
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Nov 11, priced at $290 found 1 day ago
Sat, Oct 4 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$291 Roundtrip, found 5 hours ago
$291
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Oct 4 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 7, priced at $291 found 5 hours ago
Fri, Nov 7 - Tue, Nov 11
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 7 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Nov 11, priced at $295 found 1 day ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$295 Roundtrip, found 6 days ago
$295
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 1 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 7, priced at $295 found 6 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$297 Roundtrip, found 6 days ago
$297
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 1 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 7, priced at $297 found 6 days ago

Frequently asked questions

What route does flight number AA5640 take?
AA5640 takes a number of routes. The most popular is Washington, DC Airport (DCA-Ronald Reagan Washington National) to Will Rogers World Airport (OKC), which is a direct flight. This flight generally takes 2 hours and 57 minutes. However, there are likely to be other flights with the same number that have one or more stops.
What terminal does AA5640 fly out of?
You'll most likely board the aircraft from Terminal C if you're flying out of National Airport. Flight number AA5640 serves a number of routes, but the direct flight between Washington, DC Airport (DCA-Ronald Reagan Washington National) and Will Rogers World Airport (OKC) is the most popular one.
What kind of plane is on flight number AA5640?
AA5640 is a flight number that is used on a number of routes. If you have a ticket on the busiest route, National Airport to OKC, you're likely to be boarding the Bombardier CRJ900.
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 AA5640 flight with Travelocity, please visit our Customer Service Portal.