HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

Cheap flights from Adelaide (ADL) to Heathrow (LHR)

ADL — LHR
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Adelaide to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Adelaide to London Heathrow are usually found in October or May, booked 71 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Adelaide to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

October

Average price

$1,248
Provider with most accurate pricing for Adelaide-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Adelaide-London Heathrow flights.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Compare providers for flights from Adelaide to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Adelaide to Heathrow in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Adelaide-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Adelaide-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Adelaide-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Adelaide-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Adelaide-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Adelaide to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Adelaide with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Adelaide to London Heathrow Airport

How far ahead should I book a flight from Adelaide to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Adelaide to Heathrow. Price data was last updated on November 14, 2025.

To ensure you get the cheapest price possible for a flight from Adelaide to London Heathrow Airport, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Adelaide to London Heathrow Airport?

Currently, May is the cheapest month in which you can book a flight from Adelaide to London Heathrow Airport (average of $899). Flying from Adelaide to London Heathrow Airport in December is currently the most expensive (average of $1,494). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated November 19, 2025.
Get a feel of what it's like to fly with British Airways from Adelaide to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,534 reviews

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,534 reviews
British Airways
6.7
Okay
7,534 reviews

Crew

7.6

Food

6.3

Comfort

6.7

Overall

6.7

Boarding

6.9

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Adelaide to London Heathrow?

    If you book a flight to London Heathrow from Adelaide, you will be flying from Adelaide, which is the city’s only airport. Adelaide (ADL) is located 4.1 mi from the center of Adelaide. There are 0 flights from Adelaide to London Heathrow per day from 1 airline.

  • What is the cheapest airline to fly from Adelaide to London Heathrow Airport round-trip?

    British Airways, at $1,260, was found to be the cheapest airline from Adelaide to London Heathrow Airport.. Users have found that British Airways is 6% cheaper than the other options available to this destination.

  • Can I find deals for flights from Adelaide to Heathrow that include hotel bookings?

    Yes. In addition to deals on Adelaide to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Adelaide to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Heathrow.

  • Can I find deals for business class flights from Adelaide to Heathrow?

    Yes. Cheapflights offers flight deals from Adelaide to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Adelaide to London Heathrow Airport?

    Currently, May is the cheapest month in which you can book a flight from Adelaide to London Heathrow Airport (average of $899). Flying from Adelaide to London Heathrow Airport in December is currently the most expensive (average of $1,494). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Adelaide to Heathrow

Discover the top airline that operate flights from Adelaide to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,260Average$1,290FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.