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

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American Airlines Flight 5640 Route Deals From $171

The cheapest prices found with in the last 7 days for return flights were $255 and $171 for one-way flights to Capital Region Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$255 Roundtrip, found 2 days ago
$255
Roundtrip
found 2 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 $255 found 2 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$265 Roundtrip, found 2 days ago
$265
Roundtrip
found 2 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 2 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 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 $266 found 2 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 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 $268 found 2 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 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 $271 found 2 days ago
Fri, Oct 10 - Tue, Oct 14
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 10 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 14, priced at $289 found 1 day ago
Fri, Oct 10 - Tue, Oct 14
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 Fri, Oct 10 from Ronald Reagan Washington National to Capital Region Intl., returning Tue, Oct 14, priced at $299 found 1 day ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$315 Roundtrip, found 2 days ago
$315
Roundtrip
found 2 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 $315 found 2 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 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 $316 found 2 days ago
Wed, Oct 1 - Tue, Oct 7
DCA
Ronald Reagan Washington National
LAN
Capital Region Intl.
$320 Roundtrip, found 2 days ago
$320
Roundtrip
found 2 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 $320 found 2 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.