international · 11h 30m · 8,884 km
London to Seoul
3 airlines · 3 aircraft ranked
In business class, Asiana's Business Smartium Class (A350-900) edges out the field with a 6.9/10.In premium economy, Virgin Atlantic's Premium (787-9) leads the field with a 5.7/10.
Quick pick
Fly Asiana. It has 18 more inches of legroom and a wider seat (21" vs 20").
If fares are comparable, this is the better cabin.
Fly Virgin Atlantic. It has a wider seat (21" vs 18.5").
If fares are comparable, this is the better cabin.
Fly Korean Air. 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 June 2026
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Airlines on this route
Flying with family
- Most legroom: Korean Air (33"). Least: Virgin Atlantic (31"). That 2" difference matters with kids.
Route insights
- In business class, Asiana's Business Smartium Class (A350-900) edges out the field with a 6.9/10.
- In premium economy, Virgin Atlantic's Premium (787-9) leads the field with a 5.7/10.
- In economy, Korean Air's Economy (777-300ER) edges out the field with a 4.8/10.
Frequently asked
Which is better in business: Virgin Atlantic or Korean Air on LHR-ICN?
Upper Class (Virgin Atlantic, 787-9) beats Prestige Suite (Korean Air, 777-300ER) in business, scoring 6.7/10 vs 5.2. The deciding factor: AC + USB-C vs no power. Korean Air fights back on seat width and entertainment.
Which is better in economy: Virgin Atlantic or Korean Air on LHR-ICN?
Economy Classic (Virgin Atlantic, 787-9) and Economy (Korean Air, 777-300ER) score virtually the same in economy: 4.6 vs 4.8/10. The biggest gap is power — AC + USB-C vs USB-A only — but neither carrier pulls ahead overall.
Which is better in business: Virgin Atlantic or Asiana on LHR-ICN?
Upper Class (Virgin Atlantic, 787-9) and Business Smartium Class (Asiana Airlines, A350-900) score virtually the same in business: 6.7 vs 6.9/10. The biggest gap is bedding — mattress pad vs duvet — but neither carrier pulls ahead overall.
Which is better in premium economy: Virgin Atlantic or Asiana on LHR-ICN?
Premium (Virgin Atlantic, 787-9) edges out Economy Smartium (Asiana Airlines, A350-900) in premium economy, scoring 5.7/10 vs 4.9. The deciding factor: 21"-wide seats vs 18.5".
Which is better in economy: Virgin Atlantic or Asiana on LHR-ICN?
Economy Classic (Virgin Atlantic, 787-9) and Economy (Asiana Airlines, A350-900) score virtually the same in economy: 4.6 vs 4.8/10. The biggest gap is power — AC + USB-C vs USB-A only — but neither carrier pulls ahead overall.
Which is better in business: Korean Air or Asiana on LHR-ICN?
Business Smartium Class (Asiana Airlines, A350-900) beats Prestige Suite (Korean Air, 777-300ER) in business, scoring 6.9/10 vs 5.2. The deciding factor: AC + USB-C vs no power.
Which is better in economy: Korean Air or Asiana on LHR-ICN?
Economy (Korean Air, 777-300ER) and Economy (Asiana Airlines, A350-900) score virtually the same in economy: 4.8 vs 4.8/10. The biggest gap is wi-fi — Paid Wi-Fi vs No Wi-Fi — but neither carrier pulls ahead overall.
What are the best seats in Virgin Atlantic Upper Class on LHR-ICN?
Best: 2A and 4A are the most private seats — left-side A positions face the window wall with the most separation from the aisle. 6A and 8A are also good but closer to the mid-cabin galley. Solo travelers should always pick A seats. Avoid: All G and K positions (center and right) face each other across the aisle with low dividers — the worst privacy in any current business cabin. 11G and 11K are the most exposed, adjacent to the Premium cabin divider. Older herringbone Upper Class with no doors and low dividers — noticeably less private than the A350-1000 or A330neo suites. 1-1-1 layout means all-aisle access but the tradeoff is those low partition walls. 11.1-inch screens are half the size of the A330neo (17.3 inches). Sleep suit provided on overnight flights.
What are the best seats in Virgin Atlantic Premium on LHR-ICN?
Best: Window pairs in row 21 (21A/B and 21H/K) are bulkhead seats with extra legroom. Avoid: Center seats in the middle block (D, F, G) in any row. Last row is closest to economy. 35 Premium seats in a 2-3-2 layout with 38-inch pitch and 8-degree recline. 11.1-inch Panasonic eX3 screens. AC outlet and USB-A at every seat. Plated meals with upgraded menu. Small amenity kit with eye mask, socks, and toothbrush. Pillow and blanket at the seat.
What are the best seats in Virgin Atlantic Economy Classic on LHR-ICN?
Best: Economy Delight rows (around row 53) offer 34-inch pitch for an upcharge. Any window seat in 3-3-3 avoids the double-middle problem. Avoid: Center seats (B, E, H) in any row. Last rows near rear galley. Economy Delight (36 seats) has 34-inch pitch vs 31 inches in Classic. Same Recaro 3620 slimline seat throughout. 9-inch Panasonic eX3 screens — smaller than the A350 (11.6 inches) and A330neo (13.3 inches). AC outlet and USB-A at every seat. Complimentary hot meal and pre-landing snack with free alcohol.
What are the best seats in Korean Air Prestige Suite on LHR-ICN?
Best: Aisle seats for easier access in the 2-2-2 layout. Avoid: Window seats require climbing over your neighbor. Apex Suite hardware in 2-2-2 layout without direct aisle access. Privacy shields but no doors. 15.4-inch IFE. Most V1 frames lack wifi.
What are the best seats in Asiana Business Smartium Class on LHR-ICN?
Best: Window seats in rows 1-3 are quieter and closer to the galley for faster service. Odd-numbered windows are closer to the window. Avoid: Even-numbered window seats are closer to the aisle. Last row of business near the premium economy divider. 28 Collins Super Diamond 1-2-1 seats — same product family as many Star Alliance carriers. 18-inch IFE. Panasonic eX3 system with live TV. Faster Viasat wifi (streaming capable). Full Korean and Western meal service.
What are the best seats in Asiana Economy Smartium on LHR-ICN?
Best: Window pairs (A-B, J-K) have the most space. Front row offers bulkhead legroom. Avoid: Center block middle seats (D or E) have no direct aisle access in 4-abreast config. 36 Economy Smartium seats with 38-inch pitch and fixed-shell recline. 13.3-inch IFE. Footrest and adjustable headrest. Enhanced meal service on real dishes. Same Viasat wifi as business class.
What are the best seats in Asiana Economy on LHR-ICN?
Best: Exit rows and rows 31-33 near the wing have less turbulence feel. 9-abreast is wider than 777 10-abreast. Avoid: Last rows near rear lavatories. Center seat in any 3-abreast block. 247 economy seats in 9-abreast (3-3-3). 11.1-inch seatback IFE. USB at every seat. Complimentary Korean and Western meals. A350 cabin is quieter than older widebodies.