international · 12h 30m · 9,650 km
Hong Kong to London
2 airlines · 2 aircraft ranked
In business class, Cathay Pacific's Aria Suite (777-300ER) leads the field with a 8.2/10. In premium economy, Cathay Pacific's Premium Economy (777-300ER) leads the field with a 5.9/10.
Quick pick
Fly Cathay Pacific. It has 5 more inches of legroom and a wider seat (21" vs 18.5").
If fares are comparable, this is the better cabin.
Fly Cathay Pacific. It has 2 more inches of legroom and a wider seat (21" vs 18.5").
If fares are comparable, this is the better cabin.
Fly Cathay Pacific. It scores higher across seat comfort and amenities.
If prices are similar, go with this one.
Select two airlines to compare head-to-head
Data verified May 2026
New routes and airlines added regularly. One short email when we do.
Airlines on this route
Route insights
- In business class, Cathay Pacific's Aria Suite (777-300ER) leads the field with a 8.2/10.
- In premium economy, Cathay Pacific's Premium Economy (777-300ER) leads the field with a 5.9/10.
- In economy, Cathay Pacific's Economy (777-300ER) edges out the field with a 4.3/10.
Frequently asked
Which is better in business: Cathay Pacific or British Airways on HKG-LHR?
In business, Aria Suite on Cathay Pacific's 777-300ER scores 8.2/10 compared to Club Suite on British Airways's A350-1000 at 7.2/10, a narrow edge. Cathay Pacific wins on seat type, seat width, privacy, while British Airways leads in bed length, power. The key difference is usb c vs all.
Which is better in premium economy: Cathay Pacific or British Airways on HKG-LHR?
In premium economy, Premium Economy on Cathay Pacific's 777-300ER scores 5.9/10 compared to World Traveller Plus on British Airways's A350-1000 at 5.2/10, a narrow edge. Cathay Pacific wins on legroom, seat width, privacy, while British Airways leads in power, extras. The key difference is 40" pitch vs 38" pitch.
Which is better in economy: Cathay Pacific or British Airways on HKG-LHR?
In economy, Economy on Cathay Pacific's 777-300ER and World Traveller on British Airways's A350-1000 are virtually identical at 4.3 and 4.1 out of 10. Economy leads in power, but the overall experience is comparable.
What are the best seats in British Airways Club Suite on HKG-LHR?
Best: Rows 1 and 11 offer the best sleep experience due to distance from galleys. Rows 11 or 15 allow fastest deplaning via door 2. Seats 9A, 9K, 10A, 10K have extra windows. The mini-cabin (rows 15-17) is the most private with only 12 seats. Avoid: 6A and 6K have only a single window instead of the typical two. The mini-cabin (rows 15-17) gets meal service last and may not receive first-choice entree. Seats 15A and 15K are bassinet positions for infants. Rows near the mid-cabin galley experience crew traffic. The A350-1000 was the launch aircraft for BA's Club Suite product. Two business class zones: a main cabin of 44 seats (rows 1-14) and a mini-cabin of 12 seats (rows 15-17). Every seat has a door, direct aisle access, and 40% more storage than old Club World. Panasonic eX3 IFE gate-to-gate. The A350-1000 has NO First class cabin. BA Starlink WiFi rollout began March 2026; Panasonic Ku-band on non-Starlink aircraft.
What are the best seats in British Airways World Traveller Plus on HKG-LHR?
Best: Row 20 bulkhead has the most legroom. Window pairs (A-B, J-K) work well for couples. The 2-4-2 layout means window pairs are the most private. Avoid: Center seats in the 4-abreast middle section (D-E-F-G) are least private. Row 26 (last row) has limited recline and proximity to the economy cabin partition. 56-seat premium economy is one of the larger WTP cabins in the BA fleet. 8-abreast seating with adjustable headrests and footrests. Complimentary meal service with premium wine. Separate cabin service from economy.
What are the best seats in British Airways World Traveller on HKG-LHR?
Best: Rows 30-32 are at the front of economy, closest to the premium economy divider and lavatories. Exit row seats offer significantly more legroom. Avoid: Last 2-3 rows near the rear galley and lavatories are noisy. Middle seats in the 3-abreast sections (B, E, H) are least desirable on long-haul flights. Bassinet positions may mean infants nearby. 9-abreast economy on the A350-1000 is standard for the type. Panasonic eX3 IFE with USB charging. Complimentary meals and beverages on long-haul flights. The A350 cabin features lower cabin altitude and higher humidity than older aircraft types.