British Airways Flight SQ12 Deals & Information (2025/2026)

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British Airways Flight 12 Route Deals From $350

The cheapest prices found with in the last 7 days for return flights were $806 and $350 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 11 - Wed, Sep 3
SIN
Changi
LHR
Heathrow
$806 Roundtrip, found 21 hours ago
$806
Roundtrip
found 21 hours ago
Select British Airways flight, departing Mon, Aug 11 from Changi to Heathrow, returning Wed, Sep 3, priced at $806 found 21 hours ago
Tue, Nov 4 - Wed, Nov 19
SIN
Changi
LHR
Heathrow
$878 Roundtrip, found 5 hours ago
$878
Roundtrip
found 5 hours ago
Select British Airways flight, departing Tue, Nov 4 from Changi to Heathrow, returning Wed, Nov 19, priced at $878 found 5 hours ago

Frequently asked questions

What route does flight number BA12 take?
You'll be arriving into Heathrow Airport (LHR) from Singapore Airport (SIN-Changi) if you've booked a ticket on flight number BA12. You'll be airborne for 13 hours and 35 minutes during this trip. It's also worthwhile noting that the service conveniently travels direct.
What terminal does BA12 fly out of?
Direct flights between Singapore Airport (SIN-Changi) and LHR are served by BA12, and passengers booked on this route usually depart from Terminal 1.
What kind of plane is on flight number BA12?
Get ready to climb aboard a Boeing 777 if you've booked a seat on flight BA12. Most flights from Changi Airport to Heathrow Airport (LHR) use this kind of aircraft.
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 BA12 flight with Travelocity, please visit our Customer Service Portal.