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

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American Airlines Flight 1621 Route Deals From $134

The cheapest prices found with in the last 7 days for return flights were $297 and $134 for one-way flights to San Diego Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 25 - Tue, Nov 4
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$297 Roundtrip, found 6 days ago
$297
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Oct 25 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Nov 4, priced at $297 found 6 days ago
Sat, Aug 23 - Fri, Aug 29
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 23 from Philadelphia Intl. to McClellan-Palomar, returning Fri, Aug 29, priced at $308 found 4 days ago
Sat, Oct 25 - Sat, Nov 8
PHL
Philadelphia Intl.
SAN
San Diego Intl.
$317 Roundtrip, found 19 hours ago
$317
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Oct 25 from Philadelphia Intl. to San Diego Intl., returning Sat, Nov 8, priced at $317 found 19 hours ago
Tue, Mar 17 - Tue, Mar 24
TTN
Mercer
SAN
San Diego Intl.
$323 Roundtrip, found 18 hours ago
$323
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Mar 17 from Mercer to San Diego Intl., returning Tue, Mar 24, priced at $323 found 18 hours ago
Tue, Mar 17 - Tue, Mar 24
PHL
Philadelphia Intl.
SAN
San Diego Intl.
$323 Roundtrip, found 18 hours ago
$323
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Mar 17 from Philadelphia Intl. to San Diego Intl., returning Tue, Mar 24, priced at $323 found 18 hours ago
Wed, Sep 3 - Sat, Sep 6
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$328 Roundtrip, found 5 days ago
$328
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 3 from Philadelphia Intl. to McClellan-Palomar, returning Sat, Sep 6, priced at $328 found 5 days ago
Sat, Aug 23 - Tue, Aug 26
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 23 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Aug 26, priced at $334 found 2 days ago
Sat, Aug 23 - Tue, Aug 26
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$338 Roundtrip, found 2 days ago
$338
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 23 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Aug 26, priced at $338 found 2 days ago
Tue, Mar 17 - Tue, Mar 24
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$343 Roundtrip, found 18 hours ago
$343
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Mar 17 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Mar 24, priced at $343 found 18 hours ago
Sat, Aug 23 - Tue, Aug 26
PHL
Philadelphia Intl.
CLD
McClellan-Palomar
$343 Roundtrip, found 2 days ago
$343
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 23 from Philadelphia Intl. to McClellan-Palomar, returning Tue, Aug 26, priced at $343 found 2 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.