Cathay Pacific Flight SQ636 Deals & Information (2025/2026)

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Cathay Pacific Flight 636 Route Deals From $158

The cheapest prices found with in the last 7 days for return flights were $212 and $158 for one-way flights to Hong Kong Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 20 - Sun, Oct 5
SIN
Changi
HKG
Hong Kong Intl.
$212 Roundtrip, found 6 days ago
$212
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Sat, Sep 20 from Changi to Hong Kong Intl., returning Sun, Oct 5, priced at $212 found 6 days ago

Frequently asked questions

What route does flight number CX636 take?
Flight number CX636 takes roughly 4 hours and 15 minutes to jet straight from Changi Airport to Hong Kong Intl. Airport (HKG). Sure, there’s magic in the destination, but half the fun is in the journey!
What terminal does CX636 fly out of?
Passengers with tickets for flight number CX636 from Changi Airport (SIN) to Chek Lap Kok Intl. Airport normally fly out of Terminal 1.
What kind of plane is on flight number CX636?
The Airbus A330-300 is the plane most commonly used for flight number CX636. Typically, this flight jets off from Changi Airport (SIN) and comes in to land at Hong Kong Airport (HKG-Hong Kong 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 CX636 flight with Travelocity, please visit our Customer Service Portal.