American Airlines Flight AA1840 Deals & Information (2025/2026)

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American Airlines Flight 1840 Route Deals From $71

The cheapest prices found with in the last 7 days for return flights were $139 and $71 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 14 - Sat, Oct 18
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Oct 14 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Sat, Oct 18, priced at $139 found 4 days ago
Fri, Sep 26 - Mon, Sep 29
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$149 Roundtrip, found 4 hours ago
$149
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Sep 26 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Mon, Sep 29, priced at $149 found 4 hours ago
Thu, Aug 14 - Sat, Aug 23
CLT
Charlotte-Douglas Intl.
IAH
George Bush Intercontinental
$162 Roundtrip, found 21 hours ago
$162
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Thu, Aug 14 from Charlotte-Douglas Intl. to George Bush Intercontinental, returning Sat, Aug 23, priced at $162 found 21 hours ago

Frequently asked questions

What route does flight number AA1840 take?
AA1840 travels between Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.) and George Bush Intercontinental Airport (IAH) directly. This journey generally takes 2 hours and 38 minutes.
How often is AA1840 on time?
If you're traveling with American Airlines flight number AA1840 between Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.) and Houston, TX Airport (IAH-George Bush Intercontinental), it's nice to know that 84% of these services arrive on time. If your plane does happen to be delayed, the average wait is approximately 17 minutes. This service has a 3.1-star rating.
What kind of plane is on flight number AA1840?
There's every chance you'll be jumping on board the Boeing 737-800 if you're booked on flight number AA1840. This flight usually departs from Charlotte-Douglas Intl. Airport (CLT) and lands at George Bush Intercontinental Airport (IAH).
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 AA1840 flight with Travelocity, please visit our Customer Service Portal.