China Southern Airlines Flight CA3621 Deals & Information (2025/2026)

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China Southern Airlines Flight 3621 Route Deals From $345

The cheapest prices found with in the last 7 days for return flights were $651 and $345 for one-way flights to Tianfu Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 23 - Mon, Aug 25
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$651 Roundtrip, found 8 hours ago
$651
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Sat, Aug 23 from Shenzhen Intl. to Tianfu Intl., returning Mon, Aug 25, priced at $651 found 8 hours ago
Sat, Aug 23 - Mon, Aug 25
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$677 Roundtrip, found 8 hours ago
$677
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Sat, Aug 23 from Shenzhen Intl. to Tianfu Intl., returning Mon, Aug 25, priced at $677 found 8 hours ago
Thu, Sep 11 - Sun, Sep 14
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$703 Roundtrip, found 6 days ago
$703
Roundtrip
found 6 days ago
Select China Southern Airlines flight, departing Thu, Sep 11 from Shenzhen Intl. to Tianfu Intl., returning Sun, Sep 14, priced at $703 found 6 days ago
Sat, Aug 23 - Mon, Aug 25
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$714 Roundtrip, found 8 hours ago
$714
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Sat, Aug 23 from Shenzhen Intl. to Tianfu Intl., returning Mon, Aug 25, priced at $714 found 8 hours ago
Sat, Aug 23 - Mon, Aug 25
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$738 Roundtrip, found 8 hours ago
$738
Roundtrip
found 8 hours ago
Select China Southern Airlines flight, departing Sat, Aug 23 from Shenzhen Intl. to Tianfu Intl., returning Mon, Aug 25, priced at $738 found 8 hours ago

Frequently asked questions

What route does flight number CZ3621 take?
Flight number CZ3621 takes roughly 2 hours and 25 minutes to fly direct from SZX to Chengdu Airport (CTU-Shuangliu Intl.). We all know there's magic in the destination, but the journey is always half the fun!
What kind of plane is on flight number CZ3621?
The route for flight number CZ3621 is nearly always Shenzhen Intl. Airport (SZX) to Chengdu Airport (CTU-Shuangliu Intl.), and the Airbus A321 is the type of plane you're likely to be traveling aboard.
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 CZ3621 flight with Travelocity, please visit our Customer Service Portal.