HolidayDealFinder (holidaydealfinder.co.uk)
A boat among the limestone islands of Ha Long Bay in Vietnam

Cheap flights from London to Vietnam

Return fares from £372 in the next 12 months. Pick a day in the calendar to see the fare.

Search by your dates
Cheapest return
£372
Typical return
£500.50
Cheapest one way
£368
Cheapest month
February

Price calendar

Cheapest return fare by departure day, 5–30 nights, direct or with one stop. Green days are the cheapest of the month.

Cheapest return fare per departure day, November 2026
MonTueWedThuFriSatSun
1
234£561 return, back 19 Nov5678
9101112131415
16171819£474 return, back 13 Dec202122
2324252627£409 return, back 23 Dec2829
30

Cheapest dates

  1. Mon 22 Feb – Mon 8 Mar · 14 nights

    CA · 1 stop · from London Gatwick

  2. Mon 18 Jan – Sun 31 Jan · 13 nights

    CA · 1 stop · from London Gatwick

  3. Mon 22 Feb – Mon 8 Mar · 14 nights

    CA · 1 stop · from London Heathrow

  4. Fri 27 Nov – Wed 23 Dec · 26 nights

    ZH · 1 stop · from London Heathrow

  5. Thu 21 Oct – Wed 27 Oct · 6 nights

    CA · 1 stop · from London Gatwick

  6. Mon 18 Jan – Sun 31 Jan · 13 nights

    CA · 1 stop · from London Heathrow

  7. Sun 7 Mar – Sun 14 Mar · 7 nights

    CZ · 1 stop · from London Heathrow

  8. Sun 7 Mar – Sun 14 Mar · 7 nights

    CA · 1 stop · from London Gatwick

One-way flights

Cheapest one-way fare per month, 1 adult.

London to Vietnam: questions

How much is a flight from London to Vietnam?
In the fares we found for the next 12 months, return flights start at £372 and the median is £500.50 (26 fares, 5–30 nights, 1 adult). One way starts at £368.
What is the cheapest month to fly from London to Vietnam?
February 2027, from £372 return, of the months we have fares for.
Are there direct flights from London to Vietnam?
Not in the fares we found: they all have a stop.
Which airlines fly from London to Vietnam?
In our fares: CA, CZ, Emirates, MU, ZH, Turkish Airlines.

Prices are return fares for one adult, found in searches in the last few days and cached; they can change at any time, and the final price and availability are shown when you book. Checked bags are extra unless the airline includes them.