C$440 Cheap Flights from Saint-Denis to London

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Flight deals from Saint-Denis to London

Looking for a cheap last-minute deal or the best round-trip flight from Saint-Denis to London? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Saint-Denis to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Saint-Denis to London flights are currently cheapest in March.

Saint-Denis to London: Flight information

The things to know before you go.
Cheapest flight foundC$440
Cheapest month to flyMarch

Finding cheap flights from Saint-Denis to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Saint-Denis to London is C$939. 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.
Currently, there are no airlines that fly direct from Saint-Denis to London. But we found flights with one or more stops from C$939.
As of February 2026, there are no flights flying from Saint-Denis to London.
The cheapest month to fly from Saint-Denis to London is usually March.
If you're flying from Saint-Denis Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from C$939.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Saint-Denis Airport to London on Friday, March 13, 2026.
No airlines currently offer direct flights between Saint-Denis Airport and London. Most routes have one or more stops.
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 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.
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.
In February, the average temperature is usually around 4°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, French Bee offers the cheapest flight tickets to London.

Flying from Reunion Roland Garros Airport (RUN) to London: what you need to know

  • The timezone in London is UTC+0. The city is 4 hours behind Saint-Denis, where Reunion Roland Garros Airport is located.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your flight from RUN to London.

  • If you're taking off during a public holiday or other peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • RUN is about 10 kilometres from central Saint-Denis. If you're catching a cab, driving or ride-sharing from the centre, it'll take 14 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 51 minutes.

  • Have an early flight from Reunion Roland Garros Airport to London? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these stays close to RUN:

How to find the cheapest flights from Reunion Roland Garros Airport (RUN) to London

  • The best price we've seen for a one-way ticket from Reunion Roland Garros Airport to London is C$440. The cheapest price for a return flight is C$939. Keep in mind fares may change due to demand at the time of booking.

  • To get your hands on cheap tickets from RUN to London, book in advance. Airlines typically offer lower fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest tickets from Reunion Roland Garros Airport to London across each month. It's the best way to find a bargain if your travel plans aren't set in stone.

  • Sign into your online account or use the app to create a Price Alert. We'll let you know straight away if there's a better deal on this route. It's easy to do, and it'll save you the hassle of searching for cheap tickets from RUN to London every day.

  • Tailor your flights with filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Reunion Roland Garros Airport to London.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) is around 31 kilometres from central London. With your own car rental or in a cab, the drive is about 57 minutes.

  • It takes roughly 1 hour and 1 minute to get there using public transport.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Reunion Roland Garros Airport to London. Stay at one of these accommodation options near LHR instead:

London Gatwick Airport (LGW)

  • As soon as your flight from Reunion Roland Garros Airport to London has hit the tarmac, you can reach the city centre in about 1 hour and 19 minutes by car. Central London is roughly 80 kilometres from London Gatwick Airport (LGW).

  • If you're travelling on public transport, it'll take approximately 1 hour and 26 minutes.

  • Hang the 'Do not disturb' sign on your door and unwind at a hotel close to LGW. Here are a few options where you can put your feet up after your flight from RUN to London:

Best time to go to London

  • July is the most popular month for flights from Reunion Roland Garros Airport to London. To skip the crowds, travel to London in February when it's quieter.

  • The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Book your flights from Reunion Roland Garros Airport to London in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 0ºC and 9ºC. Search for cheap flights from RUN to London sometime around then if you like travelling in cooler conditions.

More about London

  • Start your London trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Reunion Roland Garros Airport to London, check out our range of accommodation options including:

  • All great vacations should include some sightseeing. Big Ben, The British Museum and Buckingham Palace are attractions you won't want to skip in London.

Complete your London trip with a car rental

  • Select one of our car rentals in London and see the sights in your own time. Easily compare companies in one place to find your ideal ride once you've locked in your hotel and cheap flights from Reunion Roland Garros Airport to London.

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