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Cheap flights from London to Saint-Denis from £497

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — RUN
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 June 2026.

Sat 29/815:00
LHR
-
RUN
1 stop27h 05m
Multiple Airlines
Sun 13/908:00
RUN
-
LHR
1 stop33h 15m
Multiple Airlines
Deal found 6/6£646
Sat 29/815:00
LHR
-
RUN
1 stop27h 05m
Multiple Airlines
Sat 12/922:10
RUN
-
LHR
1 stop19h 05m
Multiple Airlines
Deal found 6/6£669
Sat 29/820:35
LTN
-
RUN
2 stops30h 00m
Multiple Airlines
Sun 13/908:00
RUN
-
LTN
2 stops27h 30m
Multiple Airlines
Deal found 6/6£702
Sat 29/807:20
STN
-
RUN
2 stops34h 45m
Multiple Airlines
Sun 13/908:00
RUN
-
STN
2 stops25h 45m
Multiple Airlines
Deal found 6/6£708
Sat 29/816:30
LGW
-
RUN
1 stop16h 25m
Multiple Airlines
Sun 13/910:40
RUN
-
LGW
1 stop23h 30m
Multiple Airlines
Deal found 6/6£718
Fri 28/815:00
LHR
-
RUN
1 stop15h 00m
Multiple Airlines
Sat 12/922:10
RUN
-
LHR
1 stop19h 05m
Multiple Airlines
Deal found 6/6£727
Mon 29/620:35
LTN
-
RUN
2 stops30h 00m
Multiple Airlines
Tue 14/708:00
RUN
-
LTN
1 stop28h 30m
Multiple Airlines
Deal found 10/6£740
Sat 29/816:30
LGW
-
RUN
1 stop16h 25m
Multiple Airlines
Sat 12/910:40
RUN
-
LGW
1 stop33h 25m
Multiple Airlines
Deal found 6/6£749
Sat 29/820:35
LTN
-
RUN
2 stops30h 00m
Multiple Airlines
Sat 12/922:10
RUN
-
LTN
2 stops26h 45m
Multiple Airlines
Deal found 6/6£758
Fri 28/812:35
STN
-
RUN
1 stop17h 25m
Multiple Airlines
Sat 12/922:10
RUN
-
STN
2 stops28h 10m
Multiple Airlines
Deal found 6/6£764
Sat 29/807:20
STN
-
RUN
2 stops34h 45m
Multiple Airlines
Sat 12/922:10
RUN
-
STN
2 stops28h 10m
Multiple Airlines
Deal found 6/6£767
Tue 7/716:30
LGW
-
RUN
1 stop16h 25m
Multiple Airlines
Tue 14/710:40
RUN
-
LGW
1 stop23h 35m
Multiple Airlines
Deal found 8/6£769

Find 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 11 June 2026.

Round-trip from

£646

One-way from

£497

Popular in

October

Cheapest in

January

Average price

£866
29/8-13/9
  • 29/8-13/9
  • 2 total stops
  • 60h 20m total
  • London to Saint-Denis
Search Deals
4/10
  • 4/10
  • 2 total stops
  • 21h 00m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£40 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 11 June 2026.
Use the filters below to find and compare flights from London to Saint-Denis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sat 29/8

15:00-21:05

1 stop27h 05m

Saint-Denis Gillot

Sat 12/9

22:10-14:15

1 stop19h 05m

£669

LondonSaint-Denis

STN - RUN

STNRUN

London Stansted

Sat 29/8

07:20-21:05

2 stops34h 45m

Saint-Denis Gillot

Sun 13/9

08:00-06:45

2 stops25h 45m

£708

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Mon 29/6

20:35-05:35

2 stops30h 00m

Saint-Denis Gillot

Tue 14/7

08:00-09:30

1 stop28h 30m

£740

LondonSaint-Denis

STN - RUN

STNRUN

London Stansted

Fri 28/8

12:35-09:00

1 stop17h 25m

Saint-Denis Gillot

Sat 12/9

22:10-23:20

2 stops28h 10m

£764

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Tue 30/6

07:05-05:35

1 stop19h 30m

Saint-Denis Gillot

Fri 17/7

19:55-09:25

1 stop16h 30m

£808

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Tue 30/6

07:05-05:35

1 stop19h 30m

Saint-Denis Gillot

Tue 14/7

19:55-09:30

1 stop16h 35m

£811

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Mon 29/6

19:40-05:35

1 stop30h 55m

Saint-Denis Gillot

Sat 18/7

19:55-09:25

1 stop16h 30m

£817

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Tue 14/7

07:05-06:45

1 stop20h 40m

Saint-Denis Gillot

Tue 4/8

21:30-22:25

1 stop27h 55m

£830

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Tue 7/7

05:40-05:35

2 stops20h 55m

Saint-Denis Gillot

Tue 14/7

21:30-00:15

2 stops29h 45m

£832

LondonSaint-Denis

STN - RUN

STNRUN

London Stansted

Fri 3/7

12:35-09:00

1 stop17h 25m

Saint-Denis Gillot

Thu 16/7

20:25-12:05

1 stop18h 40m

£837

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 35 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from London to Saint-Denis (average of £53). Flying from London to Saint-Denis in July is currently the most expensive (average of £1,260). 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.

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.

Paris (CDG) – chosen by Cheapflights users on 71% 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 £960.

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: 13h 55m.

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 18m.

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 11 June 2026.
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
7.5
Good
1,602 reviews
Check prices

Comfort

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Boarding

7.5

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.
Air France
7.5
Good
1,602 reviews
Air France
7.5
Good
1,602 reviews
Check prices

Comfort

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Boarding

7.5

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Grace,Apr 2026

JFK - CDG

Leg room was a bit tight and I had a hard time recovering a lost item but otherwise, great flight.

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 1 airline.

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

    Airlines like KLM fly from London to Saint-Denis in about 32h 55m. 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 is the cheapest airline to fly from London to Saint-Denis round-trip?

    Flying on Air France is currently your cheapest option to Saint-Denis, with prices starting at £405. You may be able to fly from London to Saint-Denis for 59% less than the average price by searching for this airline.

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

    While some choose either London Heathrow - Saint-Denis Gillot or London Stansted - Saint-Denis Gillot, London Gatwick - 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, January is the cheapest month in which you can book a flight from London to Saint-Denis (average of £53). Flying from London to Saint-Denis in July is currently the most expensive (average of £1,260). 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

Browse thousands of different options on Cheapflights for your next trip

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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 airline flying from London to Saint-Denis

Discover the top airline 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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£405Average£973FlexibilityNo 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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