Cheap Flights to London Heathrow Airport

Travellers and cabin class

Compare London Heathrow Airport flights across hundreds of providers

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

Book the best fare with no fees

Flight deals to London Heathrow

Looking for a cheap last-minute deal or the best return flight to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest time to fly to London Heathrow

Flexible on travel dates? Find the cheapest month – or even day – to fly to London Heathrow.

Airports near London

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

Direct flights to London Heathrow

Frequently asked questions

Currently, Qantas is the only airline that flies direct to London Heathrow.
The cheapest month to fly to London Heathrow is usually June.
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.
Yes – the average flight time is 17 hours and 40 minutes.
The best price we found for a return flight to London Heathrow is $995. 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.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to London Heathrow Airport is Wednesday, 11 June 2025.
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, China Southern and Qantas offer the cheapest flight tickets to London Heathrow.

Flying to London Heathrow

The things to know before you go.
Cheapest flight found$510
Cheapest month to flyMay
Average flight time17 hrs, 40 mins
Most popular airlineQantas
Average flights per week8

How to find cheap flights to London Heathrow Airport (LHR)

  • Currently, $510 is the cheapest price for a one-way flight to London Heathrow Airport. Or you can book a return plane ticket to LHR for $995.

  • Book when the time is right with Price Alerts. You'll receive an email or a notification through the app if the price of tickets to LHR rises or falls.

  • To find cheap tickets to London, where London Heathrow Airport is located, book six months before your journey. That's the general recommendation for landing the best bargains.

  • Broaden your search for cheap flights to London by clicking the 'Add nearby airports' filter. This will let you compare fares for airports closest to your departure and destination points and could help keep costs down.

  • Consider taking a flight with a stop, as indirect routes can often save you money. Simply uncheck the 'Direct flights' box when searching for your plane tickets to London Heathrow Airport.

Best time to go to London

  • May is typically the cheapest month to board a flight to London.

  • Use the 'Whole month' tool if you're flexible with your dates. See fares for the entire month and find a flight to LHR that fits your budget and itinerary.

  • July is the most popular month for flights to LHR. Travel then if you're eager to take in the full energy of London.

  • February is the quietest period of the year to visit if you prefer a more laid-back vibe. There's also a good chance you'll find cheaper prices on plane tickets to London then.

  • Check the weather before you head off. July is the warmest time of year in London, with averages of between 11ºC and 26ºC.

  • Temperatures are lowest in January, when they range from 0ºC to 9ºC.

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

Getting to central London from London Heathrow Airport (LHR)

  • LHR is about 31 kilometres from central London.

  • If you're ride-sharing or driving a car hire after your flight to LHR, it'll take around 55 minutes to get to the centre.

  • About 1 hour is how long it'll take to get there using public transport.

  • If you want to stay close to the action in London, unpack your suitcase at one of these top options:

London highlights

Big Ben

  • Make Big Ben one of your first stops after your flight to London Heathrow Airport. You'll find it in Westminster around 3 kilometres south-west of the city centre.

The British Museum

  • Check off one of the best attractions in London with a visit to The British Museum. It's in The West End about 3 kilometres west of the centre.

Buckingham Palace

  • From the heart of the city, this highlight is around 3 kilometres west. It's located in the St. James's area and a great addition to any visit to London.

Complete your trip with a London car hire

  • Pick one of our car rentals in London and take in the sights at your leisure. Easily compare rates in one place to get the perfect ride once you've booked your hotel and cheap flight to London Heathrow Airport.

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