S$ 69+ Cheap Flights from London | Cheapflights

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LondonReykjavik

LGW London Gatwick - KEF Reykjavik Keflavik Intl

LGWKEF

London Gatwick

Sun 14-3

15:55-19:20

Nonstop3h 25m

Reykjavik Keflavik Intl

Wed 31-12

00:00-01:00

Nonstop0h 00m

S$ 87

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Fri 15-1

20:15-08:10

1 stop11h 55m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 87

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Sun 6-12

14:45-17:10

Nonstop2h 25m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 88

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Sat 2-1

06:30-09:00

Nonstop2h 30m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 89

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Thu 4-2

09:30-12:00

Nonstop2h 30m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 95

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Sun 8-11

14:45-17:10

Nonstop2h 25m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 95

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Thu 10-12

08:05-15:05

1 stop7h 00m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 97

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Thu 26-11

09:30-12:00

Nonstop2h 30m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 98

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Fri 5-2

09:35-12:05

Nonstop2h 30m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 100

LondonPorto

LGW London Gatwick - OPO Porto

LGWOPO

London Gatwick

Sun 24-1

15:30-06:45

1 stop15h 15m

Porto

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 109

Flights are sorted by cheapest return flights first.

Deals found on 23-10

Showing 1-10 of 60 resultsSorted by cheapest first

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Best time to book a flight from London

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

LON-SIN

LGW-OPO

LGW-KEF

LHR-OSL

LHR-GVA

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 London

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

LON-SIN

LGW-OPO

LGW-KEF

LHR-OSL

LHR-GVA

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

Currently, January is the cheapest month in which you can book a flight from London (average of S$ 1,043). Flying from London in December will prove the most costly (average of S$ 1,531). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from London?

When flying from London check dates and pricing for the following: British Airways, Singapore Airlines, Gulf Air, Qantas Airways, SWISS. As they depart for the following popular destinations: Singapore.

British Airways

British Airways

Singapore Airlines

Singapore Airlines

Gulf Air

Qantas Airways

What are popular destinations to fly to from London?

From London you can expect to find greater availability for the following destinations: New York (484 flights per day), Paris (236 flights per day) and Amsterdam (163 flights per day).

Paris

Toronto

Luxor

What is the cheapest place to fly to from London?

The cheapest city to fly to from London is Václav Havel Prague, with prices starting at S$ 47. Explore other affordable destinations below.

Václav Havel Prague

Václav Havel Prague

Paris

Rovaniemi

Reykjavik

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

The price you pay for your flight from London may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Airline reviews for flights from London

See what other customers who have flown with Singapore Airlines,SWISS, andAir China from London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Singapore Airlines

8.2

Very Good

Singapore Airlines

8.2

Very Good

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

7.5

Good

Singapore Airlines

8.2

Very Good

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

7.5

Good

Singapore Airlines

8.2

Very Good

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

7.3

Good

Singapore Airlines

8.2

Very Good

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

British Airways

6.7

Okay

Singapore Airlines

8.2

Very Good

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

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Related info for your journey

What are the most popular destinations to fly to from London?
This month, the top selected destinations from London 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.
What is the cheapest airport to fly out of London?
The cheapest routes to Singapore can be found at London Heathrow airport from S$ 696. While London Stansted airport is usually cheaper if your destination is Singapore with prices starting at S$ 772. Reference our flight search to find the best deals in real time.
What are the cheapest airlines flying from London to anywhere?
Recently, we've found that easyJet, SWISS, and Icelandair had the cheapest round-trip tickets from London. Some of the destinations and prices are as follows: easyJet flights from London to Edinburgh Turnhouse (S$ 53). SWISS flights from London to Singapore Changi (S$ 216). Icelandair flights from London to Reykjavik (S$ 315).
What is the cheapest month to fly from London?
Currently, the cheapest month for flights from London is January. 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.
Where are the cheapest places to fly to from London?
View the cheapest flight destinations from London:
Fly from London to Singapore from S$ 696 round trip
How does Cheapflights help users find flights from London?
Deals for flights from London are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from London?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London for you. Better yet — we are completely free to use.
Can Cheapflights find flights from London with no change fees?
Yes, we can. To see specific flights from London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from London 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

How does Cheapflights help users find flights from London?

Deals for flights from London are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

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

Can Cheapflights find flights from London with no change fees?

Yes, we can. To see specific flights from London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London 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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