American Airlines Flight 1666 Deals & Information (2025/2026)

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American Airlines Flight 1666 Route Deals From $49

The cheapest prices found with in the last 7 days for return flights were $161 and $49 for one-way flights to Los Angeles - Ontario Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 19 - Fri, Aug 22
PHX
Sky Harbor Intl.
ONT
Los Angeles - Ontario Intl.
$161 Roundtrip, found 18 hours ago
$161
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Sky Harbor Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 22, priced at $161 found 18 hours ago
Thu, Aug 7 - Mon, Aug 11
PHX
Sky Harbor Intl.
ONT
Los Angeles - Ontario Intl.
$166 Roundtrip, found 5 days ago
$166
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug 7 from Sky Harbor Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 11, priced at $166 found 5 days ago
Thu, Aug 7 - Mon, Aug 11
PHX
Sky Harbor Intl.
ONT
Los Angeles - Ontario Intl.
$196 Roundtrip, found 5 days ago
$196
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Aug 7 from Sky Harbor Intl. to Los Angeles - Ontario Intl., returning Mon, Aug 11, priced at $196 found 5 days ago
Tue, Aug 19 - Fri, Aug 22
PHX
Sky Harbor Intl.
ONT
Los Angeles - Ontario Intl.
$221 Roundtrip, found 18 hours ago
$221
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Sky Harbor Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 22, priced at $221 found 18 hours ago
Tue, Aug 19 - Fri, Aug 22
PHX
Sky Harbor Intl.
ONT
Los Angeles - Ontario Intl.
$225 Roundtrip, found 18 hours ago
$225
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Aug 19 from Sky Harbor Intl. to Los Angeles - Ontario Intl., returning Fri, Aug 22, priced at $225 found 18 hours ago

Frequently asked questions

What route does flight number AA1666 take?
AA1666 takes several routes. The most popular is Orlando Intl. Airport to Ronald Reagan Washington National Airport (DCA), which is a direct flight. This service takes roughly 2 hours and 8 minutes. However, there are likely to be other flights with the same number that have one or more stops.
What kind of plane is on flight number AA1666?
There’s a strong chance you’ll be on the Airbus A319 if you’re jetting from MCO to DCA, one of a few routes used for flight number AA1666.
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 AA1666 flight with Travelocity, please visit our Customer Service Portal.