Cathay Pacific vs British Airways: which airline wins Hong Kong to London?

Hong Kong to London is a major long-haul route connecting two of the world's key international aviation hubs. Both Cathay Pacific and British Airways operate the route, but there is a significant difference in their presence and schedules. Cathay Pacific operates it from its Hong Kong home base, while British Airways serves the London end with a single nightly A350-1000. We compared the two airlines across schedules, fares, Economy, Premium Economy, Business Class and in flight connectivity to determine which one offers the better overall experience and deserves your booking.

Schedule: Cathay wins on choice

Cathay Pacific runs five daily departures from Hong Kong to London Heathrow at 08:05, 11:05, 13:25, 22:45 and 23:15, with a sixth flight at 23:05 on Saturdays. The 8:05, 11:05 service and the Saturday extra operate on the A350-900, while the remaining flights use the 777-300ER most of the time.

British Airways offers one daily departure at 22:45 on the A350-1000. That gives Cathay a clear win for anyone who prefers to cross the world in daylight, wants to arrive in London mid-afternoon or simply needs flexibility when plans change. Six options against one settles this category clearly in Cathay Pacific’s favour.

Fares: close in the back, but with a big gap up front

For an October 21st - 29th return journey we found Cathay Pacific economy at £679 to £736, against £730 with British Airways. Premium economy came in at £1,682 to £1,726 with Cathay and £1,731 with BA. On those numbers price barely separates the two airlines in either cabin, and your choice will come down to schedule and seat.

Business class tells a different story. Cathay priced its business cabin at £4,617 on the same dates, while BA asked £5,402. That is a saving of £785, or roughly 15 per cent, for a flight of the same length on the same day.

Economy: largely matched on the soft product but one has the edge

Both airlines include a full inflight service in economy. Passengers on either carrier receive two full meal services, a mid-flight snack, a full bar with alcoholic and non-alcoholic drinks, a pillow, a blanket and a seat-back screen loaded with a broad on-demand entertainment library.

The seats differ only slightly. BA's A350-1000 economy seat gives 31 inches of pitch, 17.5 inches of width and three inches of recline. Cathay matches the 31 inches of pitch on its 777-300ER and stretches to 32 inches on the A350-900, so Cathay either equals or beats BA on legroom depending on which aircraft operates your flight.

Food is subjective from one traveller to the next, but in the experience of the AirlineRatings editors Cathay has the edge on choice, taste and quantity. The same applies to the pillows, with our editors agreeing that Cathay's were the better of the two.

Both airlines offer in-seat power regardless of aircraft type. Cathay's refurbished 777-300ERs add Bluetooth audio pairing, and every Cathay economy product on the route includes a drop-down device holder for passengers who prefer to watch their own content, something BA does not offer.

Verdict on economy: Cathay Pacific wins here thanks to Bluetooth pairing on its refurbished 777s, a device holder across every aircraft, the better pillow and, subjective as it may be, an inflight menu our editors preferred.

Premium economy: Depends on the aircraft

British Airways fits its A350-1000 premium economy cabin with seats offering 38 inches of pitch, 18 inches of width and five inches of recline. Cathay Pacific offers between 38 and 40 inches of pitch, 19.3 inches of width and six inches of recline, with the exact figure again depending on the aircraft. Both airlines include foot and leg rests, elevated dining, amenity kits, a larger pillow and blanket and a pre departure drink. There is no doubt that Cathay’s new Premium Economy on the refurbished 777-300ER product would be a winner here with the Bluetooth pairing, wireless device charging and privacy but out with that the products dont vary significantly with the exception of dining where again Cathay take the edge here.

You can read about Cathay’s new Premiume Economy product here.

Verdict on Premium Economy: We would still pick Cathay here

Business class: The Aria Suite changes everything

Cathay's business class depends heavily on which aircraft you board. Refurbished 777-300ERs carry the Aria Suite, which we rate as one of the best business class products flying today.

Suggested Read: Why the Cathay Pacific Aria Suite is one of our favourite business class seats

Cathay's A350-900s and the 777-300ERs still awaiting refurbishment carry the airline's earlier reverse herringbone seat. Against those aircraft the comparison tightens considerably, and BA deserves credit for the Club Suite on its A350-1000. The seat gives 44 inches of pitch, 27 inches of width, a fully flat bed, direct aisle access from every seat and a sliding privacy door. You would hope for a strong product given the Club Suite sits at the centre of BA's £6 billion investment programme, and it delivers.

The Club Suite fixed BA's biggest historical weakness by adding privacy and aisle access, and it remains a comfortable seat. The Aria Suite starts from the same base layout and then adds the features that define the current generation of business class, including a much larger 24-inch screen, Bluetooth audio, wireless charging and a cabin finish that feels bespoke. Cathay's advantage shows up in the details passengers notice across a 13-hour flight, since the beds themselves sit within an inch of each other.

The verdict? Where the fares match and your Cathay flight operates without the Aria Suite, BA's Club Suite is arguably the better choice. Where a fare gap opens up, as it does on our sample dates with £785 between the two, the difference in seat does not justify paying more for BA. When you compare the Aria Suite directly against the Club Suite there is no contest, because Aria wins on every level and remains the business class seat to beat right now.

Wi-Fi and power

Every BA A350-1000 and every Cathay aircraft on the route carries Wi-Fi. British Airways fits in-seat USB ports and universal AC outlets throughout the cabin, while Cathay's refurbished aircraft add Bluetooth connectivity alongside USB-A and USB-C outlets at every seat, which lets passengers pair their own headphones with the seat-back screen. BA does not yet offer that.

Pricing is where the two airlines part ways. Cathay charges economy passengers, along with premium economy passengers who are not Cathay members, between USD19.95 and USD24.95 for Wi-Fi on flights over six hours*, which covers the full Hong Kong to London journey. British Airways gives members of The British Airways Club free messaging for the whole flight, covering instant messaging apps and text-based emails without attachments, and membership is free to join. Passengers who want to stream, browse the web or use social media on BA will need a streaming package, which costs around USD27 on a flight of this length.

The verdict: British Airways has the edge here. Free messaging for the whole flight covers what most passengers actually want from Wi-Fi at 35,000 feet, and the full package costs only a few dollars more than Cathay's, which offers no free tier at all.

So who’s the better choice? Cathay Pacific or British Airways?

Cathay Pacific wins on schedule, the Economy and Premium Economy product and on business class pricing. Where you land on a refurbished 777-300ER aircraft Cathay is the clear choice in every category. British Airways however holds its own in business class with the Club Suite and matches Cathay in this category if passengers aren’t travelling on a refurbished 777-300ER, but it cannot answer the flexibility of six daily departures or using the dates above, a £785 fare gap.