American Airlines Flight 1643 Deals & Information (2026/2027)

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American Airlines Flight 1643 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $167 and $189 for one-way flights to Miami Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 26 - Sat, Oct 3
LGA
LaGuardia
MIA
Miami Intl.
$167 Roundtrip, found 2 hours ago
$167
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Sep 26 from LaGuardia to Miami Intl., returning Sat, Oct 3, priced at $167 found 2 hours ago
Sat, Sep 5 - Tue, Sep 15
LGA
LaGuardia
MIA
Miami Intl.
$177 Roundtrip, found 3 days ago
$177
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Sep 5 from LaGuardia to Miami Intl., returning Tue, Sep 15, priced at $177 found 3 days ago
Sat, Sep 19 - Sun, Sep 27
LGA
LaGuardia
MIA
Miami Intl.
$192 Roundtrip, found 7 hours ago
$192
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 19 from LaGuardia to Miami Intl., returning Sun, Sep 27, priced at $192 found 7 hours ago
Sat, Sep 26 - Sat, Oct 3
LGA
LaGuardia
MIA
Miami Intl.
$213 Roundtrip, found 2 hours ago
$213
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Sep 26 from LaGuardia to Miami Intl., returning Sat, Oct 3, priced at $213 found 2 hours ago
Thu, Sep 10 - Mon, Sep 14
LGA
LaGuardia
MIA
Miami Intl.
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Sep 10 from LaGuardia to Miami Intl., returning Mon, Sep 14, priced at $217 found 1 hour ago
Wed, Aug 26 - Mon, Aug 31
LGA
LaGuardia
MIA
Miami Intl.
$218 Roundtrip, found 9 hours ago
$218
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Aug 26 from LaGuardia to Miami Intl., returning Mon, Aug 31, priced at $218 found 9 hours ago
Sun, Aug 23 - Fri, Aug 28
LGA
LaGuardia
MIA
Miami Intl.
$222 Roundtrip, found 10 hours ago
$222
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Aug 23 from LaGuardia to Miami Intl., returning Fri, Aug 28, priced at $222 found 10 hours ago
Tue, Aug 18 - Sat, Aug 22
LGA
LaGuardia
MIA
Miami Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 18 from LaGuardia to Miami Intl., returning Sat, Aug 22, priced at $223 found 1 day ago
Thu, Jul 30 - Thu, Aug 6
LGA
LaGuardia
MIA
Miami Intl.
$233 Roundtrip, found 1 hour ago
$233
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Jul 30 from LaGuardia to Miami Intl., returning Thu, Aug 6, priced at $233 found 1 hour ago
Sat, Sep 26 - Sat, Oct 3
LGA
LaGuardia
MIA
Miami Intl.
$238 Roundtrip, found 2 hours ago
$238
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Sep 26 from LaGuardia to Miami Intl., returning Sat, Oct 3, priced at $238 found 2 hours ago
Sat, Sep 26 - Sat, Oct 3
LGA
LaGuardia
MIA
Miami Intl.
$240 Roundtrip, found 2 hours ago
$240
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Sep 26 from LaGuardia to Miami Intl., returning Sat, Oct 3, priced at $240 found 2 hours ago

Frequently asked questions

What route does flight number AA1643 take?
AA1643 is used on a number of routes. Most often, AA1643 flies straight from PWM to DFW. If that's your flight path, you'll be flying for about 4 hours and 16 minutes.
What kind of plane is on flight number AA1643?
It's likely you'll be setting off on an Airbus A319 if you've booked a ticket from PWM to Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.), a common route for flight AA1643.
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 AA1643 flight with Travelocity, please visit our Customer Service Portal.