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Cheap flights from London to Saint-Denis from £287

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RUN
22 Nov — 29 Nov1
1 adult
1 adult, Economy

Cheap flight deals from London to Saint-Denis

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Saint-Denis (RUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 October 2025.

Round-trip from

£473

One-way from

£287

Popular in

December

Cheapest in

January

Average price

£1,153
7/12-14/12
  • 7/12-14/12
  • 2 total stops
  • 48h 35m total
  • London to Saint-Denis
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6/12
  • 6/12
  • 1 total stop
  • 17h 00m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£31 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from London to Saint-Denis

Enter your travel dates to find the best prices.

Cheapest flights from London to Saint-Denis
Explore the most affordable flight options available from London to Saint-Denis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 October 2025.

Sun 7/1208:30LGW - RUN
1 stop21h 25mMultiple Airlines
Sun 14/1208:30RUN - LGW
1 stop27h 10mMultiple Airlines
Deal found 22/10£473
Thu 20/1119:35LGW - RUN
1 stop34h 20mMultiple Airlines
Thu 27/1123:00RUN - LGW
1 stop36h 30mMultiple Airlines
Deal found 21/10£545
Sun 7/1206:25STN - RUN
2 stops23h 30mMultiple Airlines
Sun 14/1208:30RUN - STN
2 stops32h 00mMultiple Airlines
Deal found 22/10£565
Thu 20/1115:15LHR - RUN
1 stop14h 40mMultiple Airlines
Thu 27/1123:00RUN - LHR
1 stop19h 25mMultiple Airlines
Deal found 21/10£571
Thu 20/1108:30STN - RUN
2 stops21h 25mMultiple Airlines
Thu 27/1123:00RUN - STN
2 stops21h 05mMultiple Airlines
Deal found 21/10£572
Thu 20/1107:15LTN - RUN
1 stop22h 40mMultiple Airlines
Thu 27/1123:00RUN - LTN
2 stops28h 00mMultiple Airlines
Deal found 21/10£575
Sun 7/1215:15LHR - RUN
1 stop14h 40mMultiple Airlines
Sun 14/1208:30RUN - LHR
2 stops28h 40mMultiple Airlines
Deal found 22/10£612
Fri 5/1208:30LGW - RUN
1 stop21h 25mMultiple Airlines
Fri 12/1223:00RUN - LGW
1 stop24h 25mMultiple Airlines
Deal found 21/10£653
Fri 5/1215:15LHR - RUN
1 stop14h 40mMultiple Airlines
Fri 12/1223:00RUN - LHR
1 stop19h 25mMultiple Airlines
Deal found 21/10£659
Fri 31/1008:30LGW - RUN
1 stop17h 00mMultiple Airlines
Sun 9/1108:30RUN - LGW
1 stop27h 10mMultiple Airlines
Deal found 22/10£670
Sun 7/1210:50LTN - RUN
1 stop18h 20mMultiple Airlines
Sun 14/1211:40RUN - LTN
1 stop26h 55mMultiple Airlines
Deal found 22/10£690
Fri 31/1007:00LTN - RUN
1 stop18h 30mMultiple Airlines
Sun 9/1108:30RUN - LTN
1 stop34h 05mMultiple Airlines
Deal found 22/10£735

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Saint-Denis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 October 2025.
Use the filters below to find and compare flights from London to Saint-Denis that are best for you.

Fly from

London

Fly to

Saint-Denis

Route

Depart

Return

Price

LondonSaint-Denis

LGW - RUN

LGWRUN

London Gatwick

Sun 7/12

08:30-09:55

1 stop21h 25m

Saint-Denis Gillot

Sun 14/12

08:30-07:40

1 stop27h 10m

£473

LondonSaint-Denis

LGW - RUN

LGWRUN

London Gatwick

Thu 12/3

08:30-09:55

1 stop21h 25m

Saint-Denis Gillot

Fri 20/3

23:00-19:25

1 stop24h 25m

£529

LondonSaint-Denis

LGW - RUN

LGWRUN

London Gatwick

Thu 20/11

19:35-09:55

1 stop34h 20m

Saint-Denis Gillot

Thu 27/11

23:00-07:30

1 stop36h 30m

£545

LondonSaint-Denis

STN - RUN

STNRUN

London Stansted

Sun 7/12

06:25-09:55

2 stops23h 30m

Saint-Denis Gillot

Sun 14/12

08:30-12:30

2 stops32h 00m

£565

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Thu 20/11

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Thu 27/11

23:00-14:25

1 stop19h 25m

£571

LondonSaint-Denis

STN - RUN

STNRUN

London Stansted

Thu 20/11

08:30-09:55

2 stops21h 25m

Saint-Denis Gillot

Thu 27/11

23:00-16:05

2 stops21h 05m

£572

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Thu 20/11

07:15-09:55

1 stop22h 40m

Saint-Denis Gillot

Thu 27/11

23:00-23:00

2 stops28h 00m

£575

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Sat 21/2

07:15-11:20

1 stop24h 05m

Saint-Denis Gillot

Sat 14/3

22:00-21:50

1 stop27h 50m

£610

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sun 7/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Sun 14/12

08:30-09:10

2 stops28h 40m

£612

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Tue 31/3

16:30-12:20

1 stop16h 50m

Saint-Denis Gillot

Thu 9/4

20:25-22:25

1 stop29h 00m

£619

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 35 results
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Best time to book a flight from London to Saint-Denis

Have a flexible travel schedule? Discover the best time to fly to Saint-Denis from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to Saint-Denis

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

Currently, November is the cheapest month in which you can book a flight from London to Saint-Denis (average of £61). Flying from London to Saint-Denis in December is currently the most expensive (average of £1,448). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to RUN?

Find hourly flight availability from London to Saint-Denis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 October 2025.

It’s optimal to fly from London to Saint-Denis at midday. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the morning.

How much does it cost for a return flight from London to Saint-Denis?

What’s the top stopover airport for flights from London to Saint-Denis?

Share of one-stop return flights from London to Saint-Denis chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Port Louis (MRU) – chosen by Cheapflights users on 51% of one-stop itineraries from London to Saint-Denis on Cheapflights.

What’s the cheapest stopover airport for flights from London to Saint-Denis?

Average return fare for one-stop flights from London to Saint-Denis, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Port Louis (MRU) is the most affordable one-stop option, with an average return flight price of £955.

What’s the fastest stopover option from London to Saint-Denis?

Shortest average travel time for one-stop one-way flights from London to Saint-Denis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Port Louis (MRU) have the shortest average one-way travel time for one-stop routes: 14h 29m.

Which airport typically offers the quickest stopover for flights from London to Saint-Denis?

Average stopover duration for one-stop one-way flights from London to Saint-Denis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Port Louis (MRU) offer the fastest connection on this route, with an average stopover time of 2h 40m.

Reviews of airlines servicing Saint-Denis

Get insights into the airlines that provide service to Saint-Denis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint-Denis. Reviews last updated 23 October 2025.
Check out reviews from past customers who have flown with Air France from London to Saint-Denis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.4
Good
1,477 reviews
Check prices

Food

7.0

Boarding

7.4

Entertainment

7.0

Crew

8.2

Comfort

7.4

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.
Air France
7.4
Good
1,477 reviews
Air France
7.4
Good
1,477 reviews
Check prices

Food

7.0

Boarding

7.4

Entertainment

7.0

Crew

8.2

Comfort

7.4

Overall

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.

Related info for your journey

Find useful and relevant information for your journey from London to Saint-Denis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Saint-Denis from London?

    If you book a flight to Saint-Denis from London, you will be flying to Gillot, which is the city’s only airport. Saint-Denis Gillot (RUN) is located 3.9 mi from the center of Saint-Denis. There are 0 flights from London to Gillot per day from 3 different airlines.

  • How long is the flight from London to Saint-Denis?

    Airlines like KLM fly from London to Saint-Denis in about 16h 10m. The time it takes to get you to your destination can typically vary by up to . The distance between London and Saint-Denis is about 6013 mi.

  • What are the cheapest airlines flying from London to Saint-Denis round-trip?

    Flying on Air Austral is currently your cheapest option to Saint-Denis, with prices starting at £646. Additional return tickets that might be worth considering are offered by Air Mauritius and Air France, with the lowest prices starting at £773 and £832, respectively. You may be able to fly from London to Saint-Denis for 31% less than the average price by searching for these airlines.

  • What are the most popular routes from London to Saint-Denis?

    While some choose either London Gatwick - Saint-Denis Gillot or London Luton - Saint-Denis Gillot, London Heathrow - Saint-Denis Gillot is the most popular route from London to Saint-Denis.

  • Can I find deals for flights from London to Saint-Denis that include hotel bookings?

    Yes. In addition to deals on London to Saint-Denis flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Saint-Denis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Saint-Denis.

  • Can I find deals for business class flights from London to Saint-Denis?

    Yes. Cheapflights offers flight deals from London to Saint-Denis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Saint-Denis?

    Currently, November is the cheapest month in which you can book a flight from London to Saint-Denis (average of £61). Flying from London to Saint-Denis in December is currently the most expensive (average of £1,448). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Saint-Denis

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Saint-Denis flights
Gatwick to Saint-Denis flights

Top 3 airlines flying from London to Saint-Denis

Discover the top 3 airlines that operate flights from London to Saint-Denis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air AustralCheapest£646Average£1,462FlexibilityNo cancel feeOn-time66%
Search Air Austral flights
Air MauritiusCheapest£773Average£986FlexibilityNo cancel feeOn-time82%
Search Air Mauritius flights
Air FranceCheapest£832Average£1,142FlexibilityNo cancel feeOn-time77%
Search Air France flights

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 London to Saint-Denis?

Cheapflights makes it easy to find London to Saint-Denis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Saint-Denis.

Can Cheapflights find flights from London to Saint-Denis with no change fees?

Certainly. Search results for flights to Saint-Denis from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Saint-Denis become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Saint-Denis from London today and book when prices fit your budget.

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