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Cheap flights from London Heathrow Airport to anywhere

LHR — SIN
4 May — 11 May1
1 adult

What to know about flights from Heathrow

Discover essential information about flights departing from Heathrow, including flight schedules, destinations, airlines operating at the Heathrow airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 29 April 2025.

Cheapest airline

Icelandair

Good round-trip deal

S$ 201 or less

Good one-way deal

S$ 79 or less
On average, Icelandair currently has the cheapest one-way flight from London Heathrow (avg. price of S$ 351).
Price to beat on a round-trip flight from London Heathrow.
Price to beat on a one-way flight from London Heathrow.

Best time to book a flight from Heathrow

Have a flexible travel schedule? Discover the best time to fly from Heathrow with our price prediction graph.
Estimated return 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.

Travel insights for flights from Heathrow

Get recent, data-driven insights about flights from Heathrow including ideal travel times, pricing trends, and more.

When is the best time to book a flight from London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Heathrow to Singapore. Price data was last updated on 25 April 2025.

The price you pay for your flight from London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport (average of S$ 724). Flying from London Heathrow Airport in July will prove the most costly (average of S$ 1,037). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Heathrow to Singapore. Price data was last updated on 30 March 2025.

Those who are seeking the cheapest fare on flights departing from London Heathrow Airport would be wise to consider leaving during Sunday at midday when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Monday at midday when fares are usually the most expensive.

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Related info for your journey

Access useful and relevant information related to your journey from Heathrow. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 29 April 2025.
  • What are the most popular destinations to fly to from London Heathrow Airport?

    This month, the top selected destinations from London Heathrow Airport are Bangkok Suvarnabhumi Airport, Accra, Bengaluru. Throughout the year, Bangkok Suvarnabhumi Airport, Ahmedabad, Amritsar are some of the top choices made by users flying from London Heathrow Airport.

  • What is the cheapest flight from London Heathrow Airport to anywhere?

    Users have flown out of London Heathrow Airport for as low as S$ 78 to Edinburgh (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 956 to fly from London Heathrow Airport.

  • What are the cheapest airlines flying from London Heathrow Airport to anywhere?

    Recently, we've found that British Airways, TAP AIR PORTUGAL, and Icelandair had the cheapest round-trip tickets from London Heathrow Airport. Some of the destinations and prices are as follows: British Airways flights from London Heathrow Airport to Belfast City (S$ 113). TAP AIR PORTUGAL flights from London Heathrow Airport to Lisbon Humberto Delgado (S$ 208). Icelandair flights from London Heathrow Airport to Reykjavik (S$ 257).

  • What is the cheapest premium economy flight from London Heathrow Airport?

    Options for some of the cheapest premium economy flights from London Heathrow Airport we have found on Cheapflights are as follows:
    London Heathrow to Mumbai from S$ 1,477
    London Heathrow to Paris Charles de Gaulle Airport from S$ 1,944
    London Heathrow to Hong Kong from S$ 2,026
    London Heathrow to Chengdu from S$ 2,103

  • What is the cheapest first class flight from London Heathrow Airport?

    To fly first-class from London Heathrow Airport on a budget, select a flight to Dublin from S$ 332.

  • What is the cheapest month to fly from London Heathrow Airport?

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

  • Where are the cheapest places to fly to from London Heathrow Airport?

    View the cheapest flight destinations from London Heathrow Airport:
    Fly from London to Singapore from S$ 690 round trip

  • How does Cheapflights help users find flights from Heathrow?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Heathrow today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Heathrow?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Heathrow with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Heathrow become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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