China Southern Airlines Flight FM3657 Deals & Information (2025/2026)

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China Southern Airlines Flight 3657 Route Deals From $255

The cheapest prices found with in the last 7 days for return flights were $520 and $255 for one-way flights to Pudong Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 10 - Sun, Oct 19
KWE
Longdongbao
PVG
Pudong Intl.
$520 Roundtrip, found 1 day ago
$520
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Fri, Oct 10 from Longdongbao to Pudong Intl., returning Sun, Oct 19, priced at $520 found 1 day ago
Fri, Oct 10 - Sun, Oct 19
KWE
Longdongbao
PVG
Pudong Intl.
$536 Roundtrip, found 1 day ago
$536
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Fri, Oct 10 from Longdongbao to Pudong Intl., returning Sun, Oct 19, priced at $536 found 1 day ago
Fri, Oct 10 - Sun, Oct 19
KWE
Longdongbao
PVG
Pudong Intl.
$561 Roundtrip, found 1 day ago
$561
Roundtrip
found 1 day ago
Select China Southern Airlines flight, departing Fri, Oct 10 from Longdongbao to Pudong Intl., returning Sun, Oct 19, priced at $561 found 1 day ago
Wed, Jul 23 - Thu, Jul 24
KWE
Longdongbao
PVG
Pudong Intl.
$564 Roundtrip, found 3 days ago
$564
Roundtrip
found 3 days ago
Select China Southern Airlines flight, departing Wed, Jul 23 from Longdongbao to Pudong Intl., returning Thu, Jul 24, priced at $564 found 3 days ago
Sat, Aug 30 - Sun, Sep 7
KWE
Longdongbao
PVG
Pudong Intl.
$661 Roundtrip, found 6 days ago
$661
Roundtrip
found 6 days ago
Select China Southern Airlines flight, departing Sat, Aug 30 from Longdongbao to Pudong Intl., returning Sun, Sep 7, priced at $661 found 6 days ago
Sat, Aug 30 - Sun, Sep 7
KWE
Longdongbao
PVG
Pudong Intl.
$707 Roundtrip, found 6 days ago
$707
Roundtrip
found 6 days ago
Select China Southern Airlines flight, departing Sat, Aug 30 from Longdongbao to Pudong Intl., returning Sun, Sep 7, priced at $707 found 6 days ago
Wed, Jul 23 - Thu, Jul 24
KWE
Longdongbao
PVG
Pudong Intl.
$760 Roundtrip, found 3 days ago
$760
Roundtrip
found 3 days ago
Select China Southern Airlines flight, departing Wed, Jul 23 from Longdongbao to Pudong Intl., returning Thu, Jul 24, priced at $760 found 3 days ago
Wed, Jul 23 - Thu, Jul 24
KWE
Longdongbao
PVG
Pudong Intl.
$900 Roundtrip, found 3 days ago
$900
Roundtrip
found 3 days ago
Select China Southern Airlines flight, departing Wed, Jul 23 from Longdongbao to Pudong Intl., returning Thu, Jul 24, priced at $900 found 3 days ago

Frequently asked questions

What route does flight number CZ3657 take?
CZ3657 travels from Guiyang Airport (KWE-Longdongbao) to Shanghai Pudong Airport directly. This journey takes 2 hours and 55 minutes.
How often is CZ3657 on time?
Roughly 89% of CZ3657 flights depart on time — so if you're jetsetting between Longdongbao Airport (KWE) and Shanghai Pudong Airport, you can relax in confidence knowing that you'll get where you need to as quickly as possible. In the rare event that this China Southern Airlines service runs behind time, you can expect a wait time of around 40 minutes. Thanks to the carrier's first-rate service, this route has a 2.75-star rating.
What kind of plane is on flight number CZ3657?
There's every chance you'll find yourself on the Boeing 737-800 if you're on flight CZ3657. Typically, this flight jets off from Longdongbao Airport (KWE) and lands at Shanghai Pudong Airport.
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 CZ3657 flight with Travelocity, please visit our Customer Service Portal.