Cheap Flights London to Haiphong from £420

Flight FAQs

• Which airlines offer the cheapest flights from London to Haiphong?

  Based on Trip.com data, Vietnam Airlines offers Cheapest nonstop one-way flights from £420 (for example, LHR–HPH on Tue, Sep 22). For a Cheapest nonstop return flight, Vietnam Airlines offers fares from £645, departing on Tue, Nov 3 and returning on Wed, Nov 11.

• Which airlines offer flights from London to Haiphong?

  At the moment, several airlines serve connecting flights from London to Haiphong, including: Vietnam Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from London to Haiphong?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Haiphong is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from London to Haiphong?

  Here are some tips for finding the best flight deals from London to Haiphong on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Tue, Sep 22, with one-way fares from just £420.
  · Compare airlines. Vietnam Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to Haiphong.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from London to Haiphong to get the best price?

  The cheapest month to book a flight from London to Haiphong is usually September, when demand is lower.

• Which upcoming date is the cheapest for flights from London to Haiphong?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from London to Haiphong on September 17, 2026 with Vietnam Airlines, with prices starting at £420.

• Which airports should you choose for flights from London to Haiphong?

  Flights to Haiphong can arrive at: Cat Bi International Airport (HPH). The most common route connects Heathrow Airport and Cat Bi International Airport (LHR–HPH).

• What is the time difference between London and Haiphong?

  The time difference between Haiphong and London is 7h.

• How can I change or cancel my flight ticket from London to Haiphong?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from London to Haiphong?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from London to Haiphong is £562. Fares vary by travel date, airline and availability.

• How do I book flights from London to Haiphong on Trip.com?

  Enter London and Haiphong, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.