Direct (nonstop) flights from London to Seoul

3 airlines fly nonstop from Heathrow (LHR) to Incheon International Airport (ICN). It's 5,520 miles (8,884 km), about 12h 40m in the air. Operated by Korean Air, Asiana Airlines, Virgin Atlantic.

LHR
Heathrow
🇬🇧 London, United Kingdom
ICN
Incheon International Airport
🇰🇷 Seoul, Republic of Korea
Flight Time
12h 40m
Distance
5,520 mi
8,884 km
CO₂/pax
844 kg
−66 kg vs. layover
Airlines
3
Korean Air +2
Time Diff
+8h
Operated by Korean Air Korean Air Asiana Airlines Asiana Airlines Virgin Atlantic Virgin Atlantic

Route data last updated: May 31, 2026

Airlines with non-stop flights

Korean Air KE Korean Air
Route
LHR → ICN
Flight Time
12h 40m
Distance
5,520 mi
Asiana Airlines OZ Asiana Airlines
Route
LHR → ICN
Flight Time
12h 40m
Distance
5,520 mi
Virgin Atlantic VS Virgin Atlantic
Route
LHR → ICN
Flight Time
12h 40m
Distance
5,520 mi

Alternative Routes

Other ways to fly from London to Seoul with one stop · direct emits 844 kg CO₂ per passenger

LHR PKX (Beijing) ICN
Leg 1: 9h 55m (5,106 mi) Leg 2: 1h 55m (561 mi) Total: ~11h 50m 🍃 910 kg CO₂ (+8% vs. direct)
Leg 1
LHR → PKX
9h 55m · 5,106 mi
View LHR to PKX flights →
Leg 2
PKX → ICN
1h 55m · 561 mi
View PKX to ICN flights →
LHR PEK (Beijing) ICN
Leg 1: 10h (5,080 mi) Leg 2: 2h (561 mi) Total: ~12h 🍃 906 kg CO₂ (+7% vs. direct)
Leg 1
LHR → PEK
10h · 5,080 mi
View LHR to PEK flights →
Leg 2
PEK → ICN
2h · 561 mi
View PEK to ICN flights →
LHR TAO (Qingdao) ICN
Leg 1: 11h (5,398 mi) Leg 2: 1h 30m (360 mi) Total: ~12h 30m 🍃 917 kg CO₂ (+9% vs. direct)
Leg 1
LHR → TAO
11h · 5,398 mi
View LHR to TAO flights →
Leg 2
TAO → ICN
1h 30m · 360 mi
View TAO to ICN flights →
LHR MUC (Munich) ICN
Leg 1: 1h 55m (586 mi) Leg 2: 11h (5,295 mi) Total: ~12h 55m 🍃 942 kg CO₂ (+12% vs. direct)
Leg 1
LHR → MUC
1h 55m · 586 mi
View LHR to MUC flights →
Leg 2
MUC → ICN
11h · 5,295 mi
View MUC to ICN flights →
LHR TAS (Tashkent) ICN
Leg 1: 6h 55m (3,277 mi) Leg 2: 6h 10m (3,017 mi) Total: ~13h 5m 🍃 987 kg CO₂ (+17% vs. direct)
Leg 1
LHR → TAS
6h 55m · 3,277 mi
View LHR to TAS flights →
Leg 2
TAS → ICN
6h 10m · 3,017 mi
View TAS to ICN flights →

Looking for the return flight?

ICN → LHR: Flights from Seoul to London

Frequently Asked Questions

How long is the direct flight from London to Seoul?

A nonstop flight from London (LHR) to Seoul (ICN) takes approximately 12 hours and 40 minutes. The distance is 5,520 miles (8,884 km).

Which airlines fly nonstop from London to Seoul?

3 airlines: Korean Air, Asiana Airlines, Virgin Atlantic.

Is there a nonstop flight from London to Seoul?

Yes. 3 airlines: Korean Air, Asiana Airlines, Virgin Atlantic.

How far is London from Seoul?

The flight distance from London to Seoul is 5,520 miles (8,884 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.

What is the time difference between London and Seoul?

Seoul is 8 hours ahead of London. (Europe/London vs Asia/Seoul.)

Will I experience jet lag flying from London to Seoul?

Probably — 8-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.

What type of aircraft flies from London to Seoul?

At 12h 40m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

Do I need a visa to travel from United Kingdom to Republic of Korea?

Depends on your passport. Check with the Republic of Korea embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from London to Seoul?

Roughly 844 kg CO2 per passenger one-way. That's about the same as driving 4,220 km.

Is the return flight from Seoul to London also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from London to Seoul?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Heathrow for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.