American Airlines Flight 1621 Deals & Information (2025/2026)

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American Airlines Flight 1621 Route Deals From $172

The cheapest prices found with in the last 7 days for return flights were $323 and $172 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 17 - Tue, Mar 24
TTN
Mercer
SAN
San Diego Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Mar 17 from Mercer to San Diego Intl., returning Tue, Mar 24, priced at $323 found 1 day ago
Sat, Nov 1 - Sat, Nov 8
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$343 Roundtrip, found 1 day ago
$343
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 1 from Philadelphia Intl. to McClellan-Palomar, returning Sat, Nov 8, priced at $343 found 1 day ago
Wed, Sep 3 - Sat, Sep 6
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$345 Roundtrip, found 11 hours ago
$345
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Sep 3 from Philadelphia Intl. to McClellan-Palomar, returning Sat, Sep 6, priced at $345 found 11 hours ago
Sat, Nov 1 - Tue, Nov 4
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$353 Roundtrip, found 3 days ago
$353
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 1 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Nov 4, priced at $353 found 3 days ago
Wed, Sep 3 - Sat, Sep 6
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$353 Roundtrip, found 3 days ago
$353
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep 3 from Philadelphia Intl. to McClellan-Palomar, returning Sat, Sep 6, priced at $353 found 3 days ago
Wed, Aug 27 - Tue, Sep 2
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Aug 27 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Sep 2, priced at $358 found 3 days ago
Tue, Nov 11 - Sun, Nov 23
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$364 Roundtrip, found 5 days ago
$364
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Nov 11 from Philadelphia Intl. to McClellan-Palomar, returning Sun, Nov 23, priced at $364 found 5 days ago
Fri, Nov 14 - Wed, Nov 19
TTN
Mercer
SAN
San Diego Intl.
$364 Roundtrip, found 5 hours ago
$364
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Nov 14 from Mercer to San Diego Intl., returning Wed, Nov 19, priced at $364 found 5 hours ago
Sat, Aug 23 - Fri, Aug 29
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$369 Roundtrip, found 3 hours ago
$369
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Aug 23 from Philadelphia Intl. to McClellan-Palomar, returning Fri, Aug 29, priced at $369 found 3 hours ago
Wed, Oct 8 - Sun, Oct 12
TTN
Mercer
SAN
San Diego Intl.
$369 Roundtrip, found 3 days ago
$369
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 8 from Mercer to San Diego Intl., returning Sun, Oct 12, priced at $369 found 3 days ago

Frequently asked questions

What route does flight number AA1621 take?
You'll be landing at SAN from Philadelphia, PA Airport (PHL-Philadelphia Intl.) if you're traveling on flight number AA1621. You'll be in the air for 5 hours and 44 minutes on this trip. What's more, the flight conveniently operates non-stop.
How often is AA1621 on time?
If you're traveling on American Airlines flight number AA1621 from Philadelphia Airport to San Diego Intl. Airport (SAN), it's comforting knowing that 93% of these services arrive on time. In the rare instance of a delay, the average wait is about 20 minutes. This route has a star rating of 4.05.
What kind of plane is on flight number AA1621?
The Airbus A321 is the aircraft predominantly used for flight number AA1621. Usually, this flight takes off from Philadelphia Intl. Airport (PHL) and comes in to land at San Diego, CA Airport (SAN-San Diego Intl.).
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 AA1621 flight with Travelocity, please visit our Customer Service Portal.