How many seats does this Airbus A350-900 have?

This Cathay Pacific Airbus A350-900 has 280 total seats across 3 cabin classes: Premium Economy, Economy, Business.

What cabin classes are available on this aircraft?

This Airbus A350-900 offers 3 cabin classes: Premium Economy, Economy, Business. Seat distribution: 28 Premium Economy seats, 214 Economy seats, 38 Business seats.

What route does CX254 fly?

Cathay Pacific flight CX254 operates from LHR (London Heathrow Airport) to HKG (Hong Kong International Airport), connecting London and Hong Kong.

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.

Cathay Pacific CX254 Seat Map from LHR to HKG on

This Airbus A350-900 operates Cathay Pacific flight CX254 from London (LHR) to Hong Kong (HKG). Browse the interactive seat map below 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.

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CX254 Flight Details

Flight Number: CX254

Origin:

(London Heathrow Airport, London)

Destination:

(Hong Kong International Airport, Hong Kong)

Flight Date: December 15, 2025

Aircraft: Airbus A350-900

Airline Routes: View Cathay Pacific route map

Award Availability: Check award seats on AwardTravelFinder

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Flight Route Map

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View flights from LHR View flights to HKG View Cathay Pacific route map

Aircraft Configuration

Aircraft Details

Detailed seating information and configuration.

Airline: Cathay Pacific (CX)
Aircraft: Airbus A350-900
Seating: Main Deck: 280 seats total

Economy: 214 seats

Available: 175 Occupied: 39 Blocked: 0

82% Available

Premium Economy: 28 seats

Available: 15 Occupied: 13 Blocked: 0

54% Available

Business: 38 seats

Available: 29 Occupied: 9 Blocked: 0

76% Available
Legend: Seat Status

Blocked/Unavailable
Seat may be blocked due to:

Reserved for crew

Adjacent to status holder

Technical issues

Social distancing

Balance restrictions

Occupied
Seat has already been assigned to another passenger

Standard Seat
Regular economy seat with standard legroom and features

Seat Types

Premium Seat
Premium seats with enhanced comfort and services (may require additional fee)

Extra Legroom
Seats with additional legroom, often in exit rows or bulkhead

Wheelchair Accessible
Seats designated for passengers requiring wheelchair assistance

Window Seat
Seats next to the window with exterior views

Aisle Seat
Seats with direct access to the aisle for easy movement

Additional Features

EXIT Emergency Exit Row
Rows with emergency exits. Passengers must be willing and able to assist in emergencies. Age and physical restrictions apply.

LAV Lavatory
Location of aircraft restroom facilities

GAL Galley
Aircraft kitchen area for meal preparation

CREW Crew Rest Area
Designated rest areas for flight crew on long-haul flights

Seat Map - Airbus A350-900

No Seat Data for December 15, 2025

We don't have cached seat availability data for this specific date. The seat map below shows the general aircraft layout, but seat availability may differ on your travel date.

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Showing general aircraft seat map layout:

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Main Deck

Business Class

Premium Economy Class

Economy Class

Best Seats on CX254

Based on legroom, location, and passenger preferences

Best Window Seats

Seat 60K Economy
Seat 60A Economy
Seat 46K Economy

Best Aisle Seats

Seat 59C Economy
Seat 44D Economy
Seat 14G Business

Best for Legroom

Seat 59C Economy
Seat 60A Economy
Seat 60K Economy

Exit Row Seats

Seat 59C Economy
Seat 60A Economy
Seat 60K Economy

Quietest Seats

Seat 42C Economy
Seat 42D Economy
Seat 42G Economy

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

CX254 Cathay Pacific Seat Map from LHR to HKG on Airbus A350-900

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Seat Status

Seat Types

Additional Features