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

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China Southern Airlines Flight 3621 Route Deals From $353

The cheapest prices found with in the last 7 days for return flights were $636 and $353 for one-way flights to Tianfu Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jun 27 - Thu, Jul 3
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$636 Roundtrip, found 1 day ago
$636
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Fri, Jun 27 from Shenzhen Intl. to Tianfu Intl., returning Thu, Jul 3, priced at $636 found 1 day ago
Fri, Jun 27 - Thu, Jul 3
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$678 Roundtrip, found 1 day ago
$678
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Fri, Jun 27 from Shenzhen Intl. to Tianfu Intl., returning Thu, Jul 3, priced at $678 found 1 day ago
Thu, Jun 19 - Wed, Jun 25
SZX
Shenzhen Intl.
TFU
Tianfu Intl.
$719 Roundtrip, found 4 days ago
$719
Roundtrip
found 4 days ago
Select China Southern Airlines flight, departing Thu, Jun 19 from Shenzhen Intl. to Tianfu Intl., returning Wed, Jun 25, priced at $719 found 4 days 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.