What aircraft does BA12 use?

British Airways flight BA12 operates on a Boeing 777-300ER from SIN to LHR.

How long is the BA12 flight?

The estimated flight time for BA12 from SIN to LHR is approximately 14h 6m covering 10,883 km (6,763 miles).

Yes, British Airways flight BA12 offers WiFi onboard provided by Starlink.

What route does BA12 fly?

British Airways flight BA12 operates from SIN (Singapore Changi Airport) to LHR (London Heathrow Airport), connecting Singapore and London.

How do I choose the best seat?

The best seat depends on your priorities. For extra legroom, choose seats near emergency exits or bulkhead rows. For quick boarding/deplaning, select seats near the front. Avoid seats near lavatories or galleys if you prefer a quieter flight. Window seats offer views and a wall to lean against, while aisle seats provide easier access to move around.

What do the different seat colors mean?

Green seats are typically available for selection, red seats are occupied or blocked, yellow/orange seats may have restrictions or extra fees, and blue seats often indicate premium or preferred seating with additional charges. Hover over any seat to see specific details and pricing.

Can I change my seat after booking?

Yes, most airlines allow seat changes after booking, though fees may apply depending on your fare type and desired seat. You can typically change seats through the airline's website, mobile app, or by calling customer service. Some seats become available closer to departure as the airline releases blocked inventory.

When is the best time to select seats?

The best time varies by strategy. Book immediately after purchasing your ticket for the widest selection, or wait until 24 hours before departure when airlines often release blocked premium seats. For popular routes, early selection is recommended. Our seat alerts can notify you when preferred seats become available.

Are the seat maps updated in real-time?

Our flight seat maps are updated regularly throughout the day to reflect current availability. However, seat availability can change rapidly, especially close to departure. We recommend checking the airline's official website for the most up-to-date information when making your final selection.

What if my preferred seat isn't available?

You can also check back periodically as seats often open up closer to departure when other passengers make changes or when the airline releases additional inventory.

BA12 Seat Map

● On time

British Airways · Boeing 777-300ER · Wed, 01 Apr 2026

Depart

SIN · Singapore

14h 6m

6,763 mi

Arrive

LHR · London

+ Seat alert

F · First

6/8

W · Premium Economy

0/40

Y · Economy

116/130

Filter:

First Business Premium Economy Economy Extra legroom / exit Occupied Blocked

View:

Some cabin classes show aircraft layout only — live seat availability could not be retrieved from the airline for this date.

First · Premium · Economy · Rows 1–53

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Get seat alerts

Top picks · Economy

Highest-scoring available seats on this aircraft

45H

Score 63 #1

Easy aisle access · Front of cabin (faster service)

Aisle

45G

Score 63 #2

Easy aisle access · Front of cabin (faster service)

Aisle

45D

Score 63 #3

Easy aisle access · Front of cabin (faster service)

Aisle

41A

Score 63 #4

Window view · Front of cabin (faster service)

Window

Get Seat Alerts

BA12 Flight Details

Flight Number: BA12

Origin:

(Singapore Changi Airport, Singapore)

Destination:

(London Heathrow Airport, London)

Distance: 10,883 km (6,763 mi)

Est. Duration: 14h 6m

Flight Date: April 01, 2026

Aircraft: Boeing 777-300ER

In-Flight WiFi: Starlink (verified)

Airline Routes: View British Airways route map

Award Availability: Check award seats on AwardTravelFinder

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Flight Route Map

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View flights from SIN View flights to LHR View British Airways route map

Aircraft Configuration

Aircraft Details

Seating info & configuration

Airline: British Airways (BA)
Aircraft: Boeing 777-300ER
Seating: Main Deck: 138 seats

Economy: 130

116 6 8

89% Available

First: 8

6 0 2

75% Available
Legend: Seat Status

Blocked

Occupied

Standard

Cabin Classes

First

Business

Premium Economy

Economy

Extra legroom / exit

Features

Exit door

WC Lavatory

GALLEY Galley

CREW Crew area

This Boeing 777-300ER operates British Airways flight BA12 from Singapore (SIN) to London (LHR). Browse the interactive seat map above to find the best seats for your journey, view real passenger reviews, and explore detailed cabin configurations to make an informed decision for your flight.

Best Seats on BA12

Based on legroom, location, and passenger preferences

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Best Window Seats

Seat 41A Economy
Seat 41K Economy
Seat 42A Economy

Best Aisle Seats

Seat 45H Economy
Seat 45G Economy
Seat 45D Economy

Quietest Seats

Seat 1E First
Seat 42G Economy
Seat 42H Economy

Recommendations based on seat characteristics, cabin position, and proximity to facilities. Availability may vary by date.

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Seat Selection Assistance

Seat Alerts Require Payment

Seat alerts are available to users with a paid plan or credits. This feature monitors seat availability and notifies you when your preferred seats become available.

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