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Cheap Flights from Adelaide to London Heathrow from $642

Compare Adelaide to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Adelaide to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Adelaide to London Heathrow? Find the lowest prices on one-way and return tickets right here.
London.$1,421 per passenger.Departing Tue, 15 Jul, returning Tue, 19 Aug.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Tue, 15 Jul, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Tue, 19 Aug, arriving in Adelaide.Price includes taxes and charges.From $1,421, select.
London.$1,421 per passenger.Departing Thu, 15 May, returning Wed, 21 May.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Thu, 15 May, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Wed, 21 May, arriving in Adelaide.Price includes taxes and charges.From $1,421, select.
London.$1,423 per passenger.Departing Tue, 11 Nov, returning Tue, 2 Dec.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Tue, 11 Nov, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Tue, 2 Dec, arriving in Adelaide.Price includes taxes and charges.From $1,423, select.
London.$1,423 per passenger.Departing Thu, 19 Feb, returning Thu, 19 Mar.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Thu, 19 Feb, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Thu, 19 Mar, arriving in Adelaide.Price includes taxes and charges.From $1,423, select.
London.$1,423 per passenger.Departing Thu, 9 Oct, returning Sun, 2 Nov.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Thu, 9 Oct, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Sun, 2 Nov, arriving in Adelaide.Price includes taxes and charges.From $1,423, select.
London.$1,423 per passenger.Departing Tue, 21 Oct, returning Tue, 28 Oct.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Tue, 21 Oct, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Tue, 28 Oct, arriving in Adelaide.Price includes taxes and charges.From $1,423, select.
London.$1,423 per passenger.Departing Tue, 11 Nov, returning Tue, 18 Nov.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Tue, 11 Nov, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Tue, 18 Nov, arriving in Adelaide.Price includes taxes and charges.From $1,423, select.
London.$1,429 per passenger.Departing Tue, 3 Jun, returning Tue, 10 Jun.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Adelaide on Tue, 3 Jun, arriving in London Heathrow.Inbound indirect flight with Malaysia Airlines, departs from London Heathrow on Tue, 10 Jun, arriving in Adelaide.Price includes taxes and charges.From $1,429, select.

Find the cheapest month to fly from Adelaide to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Adelaide to London Heathrow flights are currently cheapest in May.
Apr
from $2,178
May
from $1,421
Jun
from $1,429
Jul
from $1,992
Aug
from $1,792
Sep
from $1,640
Oct
from $1,423
Nov
from $1,423
Dec
from $1,769
Jan
from $1,950
Feb
from $1,573
Mar
from $1,584

Adelaide to London Heathrow: Alternative routes

Compare routes from Adelaide to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Adelaide to London: Flight information

The things to know before you go.
Cheapest flight found$1,421
Cheapest month to flyJuly

Finding cheap flights from Adelaide to London Heathrow: Frequently asked questions

The best price we found for a return flight from Adelaide to London Heathrow is $1,421. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Adelaide to London Heathrow. But we found flights with one or more stops from $1,421.
As of April 2025, there are no flights flying from Adelaide to London Heathrow.
The cheapest month to fly from Adelaide to London Heathrow is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Adelaide Airport to London Heathrow Airport on Tuesday, 15 July 2025.
No airlines currently offer direct flights between Adelaide Airport and London Heathrow Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Malaysia Airlines offers the cheapest flight tickets to London Heathrow.

Travelling from Adelaide Airport (ADL) to London Heathrow Airport (LHR): what you need to know

  • London is ten hours 30 minutes behind Adelaide and is in the UTC+0 timezone.

  • Arrive at the airport on time so you don't miss your ADL to LHR flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • During popular months like January, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're travelling during a peak period in general.

  • Think about adding a stopover when booking your ticket from Adelaide Airport to London Heathrow Airport. Simply deselect 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Check out these options between ADL and LHR:

    • Perth Airport

    • Dubai Airport

    • Hamad International Airport

How to find the cheapest flights from Adelaide Airport (ADL) to London Heathrow Airport (LHR)

  • $642 is the best price for a one-way Adelaide Airport to London Heathrow Airport flight. Return flights start from $1,421. These fares may change based on demand and availability.

  • It's usually smart to book ahead of time if you want to get cheap tickets from ADL to LHR. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • If you're willing to be flexible with your trip dates, use the 'Whole month' tool. It'll show you the lowest price in each month when searching for your flight from Adelaide Airport to London Heathrow Airport.

  • Landing cheap flights from ADL to LHR couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Adelaide Airport to London Heathrow Airport.

Handy information about Adelaide Airport (ADL)

  • When it comes to Adelaide Airport's on-time performance, 75.6% of flights stick to their scheduled arrival time.

  • Central Adelaide to Adelaide Airport is approximately 8 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Catching public transport? Expect a trip time of around 50 minutes.

  • Get your trip off to a leisurely start by staying near ADL. Whether you've booked an early flight from Adelaide Airport to London Heathrow Airport or just don't like being rushed, these hotels have you covered:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport is approximately 31 kilometres from central London. Driving there takes about 55 minutes.

  • If you're using public transport, expect a journey time of around 1 hour.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Adelaide Airport to London Heathrow Airport is February, while July is the most popular. Pick the best time to visit London based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Adelaide Airport to London Heathrow Airport in this month if you enjoy this type of weather.

  • January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from ADL to LHR sometime then if you'd rather travel in cooler conditions.

Explore more of United Kingdom

  • Birmingham is just one of the many cities in United Kingdom waiting to be discovered once you've seen London. Around 161 kilometres away to the north-west, its best attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another standout destination in United Kingdom and is around 177 kilometres west of London. No journey is complete without experiencing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Plan the rest of your trip from Adelaide to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.