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

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American Airlines Flight 1621 Route Deals From $132

The cheapest prices found with in the last 7 days for return flights were $249 and $132 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 5 - Wed, Nov 19
PHL
Philadelphia Intl.
SAN
San Diego Intl.
$249 Roundtrip, found 18 hours ago
$249
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Philadelphia Intl. to San Diego Intl., returning Wed, Nov 19, priced at $249 found 18 hours ago
Sat, Oct 25 - Tue, Nov 4
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$297 Roundtrip, found 1 day ago
$297
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 25 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Nov 4, priced at $297 found 1 day ago
Sat, Aug 23 - Fri, Aug 29
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$308 Roundtrip, found 3 hours ago
$308
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 $308 found 3 hours ago
Sat, Dec 6 - Sat, Dec 13
TTN
Mercer
SAN
San Diego Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Dec 6 from Mercer to San Diego Intl., returning Sat, Dec 13, priced at $323 found 1 day ago
Wed, Nov 5 - Wed, Nov 19
PHL
Philadelphia Intl.
SAN
San Diego Intl.
$323 Roundtrip, found 18 hours ago
$323
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Philadelphia Intl. to San Diego Intl., returning Wed, Nov 19, priced at $323 found 18 hours ago
Wed, Sep 3 - Sat, Sep 6
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 3 from Philadelphia Intl. to McClellan-Palomar, returning Sat, Sep 6, priced at $328 found 1 day ago
Wed, Nov 5 - Wed, Nov 19
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$343 Roundtrip, found 18 hours ago
$343
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Philadelphia Intl. to McClellan-Palomar, returning Wed, Nov 19, priced at $343 found 18 hours ago
Tue, Aug 5 - Wed, Aug 13
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$344 Roundtrip, found 5 days ago
$344
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Aug 5 from Philadelphia Intl. to McClellan-Palomar, returning Wed, Aug 13, priced at $344 found 5 days ago
Wed, Sep 3 - Sat, Sep 6
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 3 from Philadelphia Intl. to McClellan-Palomar, returning Sat, Sep 6, priced at $349 found 1 day ago
Sun, Aug 24 - Fri, Aug 29
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$349 Roundtrip, found 15 hours ago
$349
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sun, Aug 24 from Philadelphia Intl. to McClellan-Palomar, returning Fri, Aug 29, priced at $349 found 15 hours 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.