Direct (nonstop) flights from London to Hanoi
1 airline flys nonstop from Heathrow (LHR) to Noibai International (HAN). It's 5,750 miles (9,253 km), about 11h 38m in the air. Operated by Vietnam Airlines.
Vietnam Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
VN
Vietnam Airlines
Alternative Routes
Other ways to fly from London to Hanoi with one stop · direct emits 879 kg CO₂ per passenger
Looking for the return flight?
HAN → LHR: Flights from Hanoi to LondonOther direct flights from London
Direct flights from Hanoi (HAN)
Frequently Asked Questions
How long is the direct flight from London to Hanoi?
A nonstop flight from London (LHR) to Hanoi (HAN) takes approximately 11 hours and 38 minutes. The distance is 5,750 miles (9,253 km).
Which airlines fly nonstop from London to Hanoi?
Just Vietnam Airlines.
Is there a nonstop flight from London to Hanoi?
Yes. 1 airline: Vietnam Airlines.
How far is London from Hanoi?
The flight distance from London to Hanoi is 5,750 miles (9,253 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 Hanoi?
Hanoi is 6 hours ahead of London. (Europe/London vs Asia/Ho_Chi_Minh.)
Will I experience jet lag flying from London to Hanoi?
Probably — 6-hour time difference means moderate 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 Hanoi?
At 11h 38m, 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 Viet Nam?
Depends on your passport. Check with the Viet Nam embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from London to Hanoi?
Roughly 879 kg CO2 per passenger one-way. That's about the same as driving 4,395 km.
Is the return flight from Hanoi 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 Hanoi?
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.