S$ 483+ Cheap flights from London Heathrow Airport

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7-10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — SIN
16 May — 23 May1
1 adult
1 adult, Economy, 0 bags

Find flights from Heathrow within your budget

 
Find flights departing from Heathrow that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 16 April 2026. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Fri 1-5

06:50-18:43

2 stops16h 53m

New York LaGuardia

Fri 8-5

14:50-10:40

1 stop14h 50m

S$ 751

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Thu 14-5

06:50-18:43

2 stops16h 53m

New York LaGuardia

Thu 21-5

14:30-09:35

1 stop14h 05m

S$ 755

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Wed 6-5

16:40-23:30

1 stop11h 50m

New York LaGuardia

Thu 14-5

14:50-06:55

1 stop11h 05m

S$ 783
Fastest return journey

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 5-9

12:40-19:30

1 stop11h 50m

Toronto Pearson Intl

Sun 13-9

18:35-06:35

Nonstop7h 00m

S$ 838

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 30-9

09:30-16:20

1 stop11h 50m

Toronto Pearson Intl

Wed 14-10

23:50-11:50

Nonstop7h 00m

S$ 839

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 8-9

21:05-16:50

2 stops27h 45m

Los Angeles Los Angeles

Tue 15-9

19:10-21:35

2 stops18h 25m

S$ 891

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 19-5

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Tue 9-6

12:15-10:20

1 stop14h 05m

S$ 903

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 7-5

06:30-11:50

1 stop13h 20m

Los Angeles Los Angeles

Sun 10-5

15:50-10:15

Nonstop10h 25m

S$ 910

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 27-4

06:30-11:45

1 stop13h 15m

San Francisco

Sun 10-5

17:55-12:15

Nonstop10h 20m

S$ 915

LondonNew York

LHR - LGA

LHRLGA

London Heathrow

Tue 1-9

20:10-07:14

1 stop16h 04m

New York LaGuardia

Tue 8-9

15:30-09:35

1 stop13h 05m

S$ 927

Flights are sorted by cheapest return flights first.

Deals found on 16-4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 10 April 2026.

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 61 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$ 938). Flying from London Heathrow Airport in July will prove the most costly (average of S$ 1,486). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Heathrow

Get insights into the airlines that provide service from Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Heathrow. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Check out reviews from past customers who have flown Singapore Airlines,Qantas Airways, andGulf Air from London Heathrow Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Boarding

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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.

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 16 April 2026.
  • 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, Mumbai, Accra. Throughout the year, Bangkok Suvarnabhumi Airport, Mumbai, Ahmedabad 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$ 117 to Dublin (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 1,077 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, Icelandair, and Hainan Airlines 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 Edinburgh Turnhouse (S$ 150). Icelandair flights from London Heathrow Airport to Reykjavik Keflavik Intl (S$ 256). Hainan Airlines flights from London Heathrow Airport to Singapore Changi (S$ 689).

  • 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 Toronto Pearson Intl Airport from S$ 1,094
    London Heathrow to Barcelona-El Prat Airport from S$ 1,099
    London Heathrow to Denver from S$ 1,501
    London Heathrow to Manama from S$ 1,587

  • 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$ 322.

  • 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$ 734 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!

See more FAQs

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!

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.