Cheap flights to London

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Flights to London in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inDecemberHigh demand for flights, 9% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 3% potential price drop
Average price$1,235Average for return flights in November 2021
Return from$850From Sydney Kingsford Smith to London
One-way from$431One-way flight from Sydney Kingsford Smith (SYD) to London

Cheap flights to London in November, December 2021

The best prices found for LON flights for November, December
30 Nov. - 7 Dec.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

26h 30m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

22h 30m
$1,343

Thai Airways

View Deal

Deal found 28/11/21

29 Dec. - 15 Jan.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

28h 35m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

28h 15m
$1,381

Singapore Airlines

View Deal

Deal found 28/11/21

30 Nov. - 7 Dec.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

26h 30m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

22h 30m
$1,402

Thai Airways

View Deal

Deal found 29/11/21

London 2021 flight deals

Cheap flights to London found for this year
30 Nov. - 7 Dec.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

26h 30m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

22h 30m
$1,343

Thai Airways

View Deal

Deal found 28/11/21

29 Dec. - 15 Jan.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

28h 35m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

28h 15m
$1,381

Singapore Airlines

View Deal

Deal found 28/11/21

30 Nov. - 7 Dec.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

26h 30m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

22h 30m
$1,402

Thai Airways

View Deal

Deal found 29/11/21

Last minute flights to London

Late deals on return flights to London, departing today and this week
7 Dec. - 29 Dec.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

44h 35m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

37h 45m
$1,486

Singapore Airlines

View Deal

Deal found 28/11/21

5 Dec. - 15 Dec.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

43h 10m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

37h 05m
$1,508

Singapore Airlines

View Deal

Deal found 27/11/21

5 Dec. - 13 Dec.
SYD

Sydney Kingsford Smith

LHR

London Heathrow

1 stop

43h 10m
LHR

London Heathrow

SYD

Sydney Kingsford Smith

1 stop

37h 05m
$1,549

Singapore Airlines

View Deal

Deal found 27/11/21

Can I fly to London from Australia right now?

Information is based on travel restrictions from Australia to London

Most visitors from Australia need to provide a negative COVID-19 test result and/or quarantine to enter London.

COVID-19 testing requirements
Visitors from Australia must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from Australia are not required to quarantine after entering London.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Can I fly back to Australia from London?

Returning to Australia from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Australia.

Quarantine requirements
Visitors from London are not required to quarantine after entering Australia.

What is the cheapest month to fly to London?

The cheapest ticket to London found for each month in 2021 based on historical flight searches by Cheapflights users.

January

$1,245

February

$1,176

March

$1,186

April

$1,339

May

$1,202

June

$1,272

July

$1,395

August

$1,338

September

$1,394

October

$1,148

November

$1,168

December

$1,555

Currently, the cheapest month for flights to London is October. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

When is the best time to fly to London?

Average London flight ticket prices and weather conditions for 2021 and 2022 by month

SYD - LON

Price

$1,116 - $2,033

LON

Temperature

4 - 17 °C

LON

Precipitation

40 - 70 mm

Peak Season:

One of the most fascinating historical cities in the world and a sought after holiday destination, it’s no wonder travellers book cheap flights to London year round. With famous attractions like the Tower of London, London Eye, Buckingham Palace, St Paul’s Cathedral, British Museum and Tate Modern, not to mention a staggering array of shows, theatre, pubs, clubs and restaurants, visitors are kept busy from morning ‘til night. No matter what time of year a trip is planned, flights to London are always easy to find. The tourist season peaks from June to September, and again at Christmas. July and August are the busiest months, as schools close for summer holidays and likelihood of warm weather is high. Expect parks and gardens to be crowded and to queue for attractions during summer.

Off season:

The cheapest flights to London can be found during the off season from late October to mid-December and from January to mid-March. Just don’t expect fine weather, the London winter can be dismal, but people are usually too busy visiting museums and art galleries, taking in shows and exhibitions to worry about the weather.

When is the best time to book a flight to London?

Anytime is a good time to book a flight to London, though high season travel is a more expensive time of year to travel to this wonderful city. July and August are the warmest months but this is also peak season when London gets crowded and accommodation prices are at a premium. Travellers seeking a budget holiday in London should focus on the shoulder seasons of spring (April and May), autumn (September and October), and winter from November through to March. From May prices begin to rise as the tourist season kicks into gear.

Which day is cheapest to fly to London?

Tuesday is currently, on average, the cheapest day to fly to London. Flying on Friday will result in higher flight prices.

What time of day is cheapest to fly to London?

London flights can be made cheaper if you choose a flight in the morning. Booking a flight in the afternoon will likely mean higher prices.

How long is the flight to London?

Flights from Sydney to London – 22 hrs 50 mins

Flights from Melbourne to London – 21 hrs 10 mins

Flights from Brisbane to London – 21 hrs 25 mins

Flights from Perth to London – 18 hrs 45 mins

Which airlines operate flights to London?

There are many airlines that operate flights to the United Kingdom from Australia, including: Singapore Airlines, Malaysia Air, Cathay Pacific, China Air, Emirates, Qantas, KLM and national carrier British Airways. London is the main port of call for most international airlines so finding cheap flights to London is not too difficult a task as it is a highly competitive flight route.

How to get from the airport to the city centre?

Your cheap flight to London will land either at Heathrow Airport (LHR) 22 km west of the city or Gatwick Airport (LGW) 47.5 km to the south. Both airports have airport trains enabling travellers to reach central London quickly and conveniently. Heathrow Airport’s fastest train is the Heathrow Express, a 15 minute direct ride to Paddington Station. The Heathrow Connect and the London Underground take 30 minutes and 55 minutes respectively and are cheaper options. Gatwick Airport has an express train which leaves every 15 minutes and takes 30 minutes to reach Victoria Station.

Getting around London

How to find your way around London

Finding an address in London is no small task. There’s no pattern to the street names; house numbers, when they exist, run in odds and evens, clockwise and counter clockwise. You may also want to download or buy a detailed street map with an index either before or after your flight to London

What is good to know if travelling to London?

With a 1,000 year history it’s no surprise London has its fair share of wacky sights, check out these weird tourist attractions in London that can only be described as off-kilter.

Want to know the do’s and don’ts when you’re visiting London? We’ve got 7 things you probably shouldn’t do in London to get you started.

Enjoy a stroll along the Thames and take in these 6 must-see London stops along the river way.

London is a fun city in the summer. Find out everything you need to know about spending your first summer in London.

London can be eye-wateringly expensive, luckily these 25 museums and galleries in London won’t cost you a penny.

How popular are flights to London this year?

London has seen a 70% increase in demand for flights to the city compared to last year.

London airports

See all airports in London, select one to find and compare flight prices.