Cheap flights from London to Hanoi from $540 LCY, LGW, LHR, LTN, SEN, STN → HAN
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Noi Bai International Airport (HAN)
The cheapest return found recently is $540 with Air China, 3 May 2027 – 17 May 2027, found 2 days ago.
- Cheapest return found recently
- $540, 3 May 2027 to 17 May 2027
- Usual return price
- $562 to $935
- Cheapest month to fly
- May 2027, return fares from $540 found in the last 7 days
- Airlines with nonstop flights
- Vietnam Airlines
Return
The cheapest return fare on each of 13 departure dates is usually $562 to $935.
Cheapest return found recently
$540
3 May 2027 – 17 May 2027 · Air China
London Gatwick Airport (LGW) → Noi Bai International Airport (HAN)
Leaves 12:35 p.m. · Return leaves 12:20 p.m. · 42 h of travel, both ways together
out 1 stop, back 1 stop · via Beijing Capital International Airport (PEK), Shanghai Pudong International Airport (PVG) · 9 h connection
found 2 days ago
Cheapest nonstop return
$797
3 May 2027 – 17 May 2027 · Vietnam Airlines
London Heathrow Airport (LHR) → Noi Bai International Airport (HAN)
Leaves 6:55 p.m. · Return leaves 11:05 p.m. · 24 h 55 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$540 3 May 2027 – 17 May 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $460 to $562.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 13 departure dates from 27 Nov to 20 Oct 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 14-night return fares leaving within 3 days of 3 May 2027 to compare.
Every date we hold
226 fares on 13 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 27 Nov – 7 Dec | $562 | Shenzhen Airlines | London Heathrow Airport (LHR) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 3 Dec – 17 Dec | $935 | Emirates | Stansted Airport (STN) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 20 Dec – 20 Jan 2027 | $945 | Wizz Air UK | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 3 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 26 Feb 2027 – 5 Mar 2027 | $1,616 | easyJet | London Southend Airport (SEN) → Noi Bai International Airport (HAN) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 1 Mar 2027 – 18 Mar 2027 | $592 | China Eastern | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 6 Mar 2027 – 14 Mar 2027 | $1,248 | Wizz Air Malta | London Luton Airport (LTN) → Noi Bai International Airport (HAN) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 16 Mar 2027 – 25 Mar 2027 | $552 | Air China | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 7 Apr 2027 – 14 Apr 2027 | $826 | Air India | London Heathrow Airport (LHR) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 3 May 2027 – 17 May 2027 | $540 | Air China | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 4 Jun 2027 – 14 Jun 2027 | $570 | Air China | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 5 Jun 2027 – 14 Jun 2027 | $547 | Air China | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 9 Jun 2027 – 23 Jun 2027 | $562 | Air China | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 20 Oct 2027 – 31 Oct 2027 | $871 | China Eastern | London Gatwick Airport (LGW) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
May 2027 is the cheapest month — from $540.
Airlines on the cheapest dates: Air China, China Eastern, Shenzhen Airlines, Emirates, Wizz Air UK, easyJet, Wizz Air Malta, Air India.
Premium cabin fares from London to Hanoi
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 3 May 2027 – 17 May 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Hanoi?
Return
Fares 90 to 179 days before departure were typically 45% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $885 | $523 | +82% | 9 |
| 7–13 days | $578 | $523 | +19% | 15 |
| 14–29 days | $532 | $491 | +9% | 23 |
| 30–59 days | $544 | $460 | +12% | 46 |
| 60–89 days | $713 | $525 | +46% | 42 |
| 90–179 days | $487 | $467 | Cheapest seen | 47 |
| 180+ days | $579 | $547 | +19% | 29 |
Live price for these dates
The cheapest return found recently is for 3 May 2027 – 17 May 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from London to Hanoi?
The cheapest return found recently is $540 with Air China, 3 May 2027 to 17 May 2027, found 2 days ago. The cheapest return fare on each of 13 departure dates is usually $562 to $935.
What is the cheapest month to fly from London to Hanoi?
May 2027 is the cheapest month for a return, from $540, 3 May 2027 to 17 May 2027, found 2 days ago.
How far ahead should I book a flight from London to Hanoi?
In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 45% lower than 0 to 6 days before departure.
Is there a direct flight from London to Hanoi?
Yes, the cheapest nonstop return found recently is $797 with Vietnam Airlines, 3 May 2027 to 17 May 2027, found 2 days ago.
Which airlines have the cheapest flights from London to Hanoi?
Between 27 Nov and 20 Oct 2027, Air China has the cheapest return on 5 of the 13 departure dates we hold, China Eastern on 2 and Shenzhen Airlines on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work