American Airlines Flight AA5640 Deals & Information (2025/2026)

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American Airlines Flight 5640 Route Deals From $177

The cheapest prices found with in the last 7 days for return flights were $290 and $177 for one-way flights to Capital Region Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 7 - Tue, Nov 11
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$290 Roundtrip, found 2 days ago
$290
Roundtrip
found 2 days 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 2 days ago
Fri, Nov 7 - Tue, Nov 11
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days 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 2 days ago
Wed, Dec 17 - Mon, Dec 22
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 17 from Ronald Reagan Washington National to Capital Region Intl., returning Mon, Dec 22, priced at $299 found 1 day ago
Tue, Nov 11 - Sat, Nov 15
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$301 Roundtrip, found 2 days ago
$301
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 11 from Ronald Reagan Washington National to Capital Region Intl., returning Sat, Nov 15, priced at $301 found 2 days ago
Sat, Oct 4 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$312 Roundtrip, found 3 hours ago
$312
Roundtrip
found 3 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 $312 found 3 hours ago
Tue, Nov 11 - Sat, Nov 15
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$325 Roundtrip, found 2 days ago
$325
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 11 from Ronald Reagan Washington National to Capital Region Intl., returning Sat, Nov 15, priced at $325 found 2 days ago
Sat, Oct 4 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$331 Roundtrip, found 3 hours ago
$331
Roundtrip
found 3 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 $331 found 3 hours ago
Sat, Oct 4 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$332 Roundtrip, found 3 hours ago
$332
Roundtrip
found 3 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 $332 found 3 hours ago
Wed, Dec 17 - Mon, Dec 22
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 17 from Ronald Reagan Washington National to Capital Region Intl., returning Mon, Dec 22, priced at $335 found 1 day ago
Sat, Oct 4 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$342 Roundtrip, found 3 hours ago
$342
Roundtrip
found 3 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 $342 found 3 hours 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.