R3 248 Cheap flights to London
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from South Africa to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Recent direct flight deals from South Africa to London
See travel insights to London from
London flights insights and trends
Explore insights for your London flight to craft the best travel plan
What is the cheapest month to fly to London?
The month of February is, on average, the cheapest month to fly to London from South Africa, with most prices found around R10 649. If you are unable to visit London during the month of February, then departing from South Africa during the month March is also very affordable. Most momondo users find prices during this month for around R12 087.
What is the absolute cheapest flight to London?
The best price found on momondo to London was R1 216/pp from Istanbul, which is 74% cheaper than the average flight price to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:
What is the cheapest day to depart on your flight to London?
The cheapest day to depart on your flight to London is on a Tuesday when prices can be found for as low as R16 895. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from South Africa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around R17 774.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as R11 604. Try not to purchase tickets in the afternoon because they tend to be around R17 437. Of course, these prices can vary depending on the time of year and what airport you fly to.
Cheapest flights to London
Find the cheapest flights to London from your nearest city or airport
| CHEAPEST MONTH TO FLY TO LONDON FROM JOHANNESBURG OR TAMBO AIRPORT | February | 19% cheaper | Flying from Johannesburg OR Tambo Airport to London costs on average just R10 649 in February |
| MOST EXPENSIVE MONTH TO FLY TO LONDON FROM JOHANNESBURG OR TAMBO AIRPORT | August | 16% more expensive | It costs about R15 210 for flights to London from Johannesburg OR Tambo Airport in August |
| MOST POPULAR MONTH TO FLY TO LONDON FROM JOHANNESBURG OR TAMBO AIRPORT | December | 362% more users visited | More momondo users searched in flights to London from Johannesburg OR Tambo Airport in December than any other month |
Cheap London flight deals and tips
Summary info about London flight prices, duration and airlines
Best One-Way Price | R3 248 |
|---|---|
Best Round-Trip Price | R9 158 |
Fastest flight time | 11h 45m |
Popular in | August |
Frequently asked questions about flying to London
How far in advance should I book a flight to London?
In general, most travellers find the cheapest time to book a flight to London is about 71 days prior to their departure date, when tickets on average are R13 100.
Is there an alternative airport near London?
Those flying to London could potentially find better pricing at London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London city centre) or London Southend Airport (57 km from London city centre) depending on the month and departure airport.
Is there a cheaper alternative to flying into London?
London Luton Airport has an average price of R1 792 per person and is typically the cheapest airport to fly into when visiting London. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.
Are there flights to Lewisham?
Yes, you can get a flight ticket to London Heathrow if you want to reach Lewisham. It is the nearest London airport (30,6 km away).
What’s the closest airport to King's Cross Railway Station?
The airport which is nearest to King's Cross Railway Station is London Heathrow. It is 23,9 km away and is in London.
When did momondo last update prices for flights to London?
Prices for flights to London refresh daily.
How many operators does momondo search for flights to London?
As of July 2025, there are 21 operators available to choose from for flights to London.
How old do you have to be to fly to London?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to London?
We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.
Can I find flights to London with flexible booking policies on momondo?
Yes. All flights to London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights to London?
Once all potential London flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.
I’m not ready to book a flight to London right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for London and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.