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Cheap flights from Saint-Denis to London from £232

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
RUN — LON
19 Oct — 26 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Saint-Denis to London

Discover tips and strategies to find the most affordable flight options for your journey from Saint-Denis (RUN) to London (LON). 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 19 September 2025.

Round-trip from

£719

One-way from

£232

Popular in

November

Cheapest in

March

Average price

£937
4/10-6/10
  • 4/10-6/10
  • 2 total stops
  • 40h 55m total
  • Saint-Denis to London
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30/9
  • 30/9
  • 1 total stop
  • 19h 05m total
  • Saint-Denis to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£185 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£54 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Saint-Denis to London

Cheapest flights from Saint-Denis to London
Explore the most affordable flight options available from Saint-Denis to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2025.

Sun 21/922:10RUN - LGW
1 stop19h 15mMultiple Airlines
Mon 6/1015:05LGW - RUN
1 stop14h 55mMultiple Airlines
Deal found 17/9£546
Sun 21/922:10RUN - LHR
1 stop19h 05mMultiple Airlines
Mon 6/1015:05LHR - RUN
1 stop14h 55mMultiple Airlines
Deal found 17/9£575
Sun 21/921:00RUN - LGW
1 stop20h 25mMultiple Airlines
Thu 2/1014:40LGW - RUN
1 stop16h 20mMultiple Airlines
Deal found 17/9£650
Thu 18/908:45RUN - LGW
1 stop16h 50mMultiple Airlines
Mon 22/915:05LGW - RUN
1 stop15h 55mMultiple Airlines
Deal found 17/9£664
Sun 21/921:00RUN - LHR
1 stop20h 15mMultiple Airlines
Thu 2/1015:05LHR - RUN
1 stop15h 55mMultiple Airlines
Deal found 17/9£683
Thu 18/922:10RUN - LHR
1 stop19h 05mMultiple Airlines
Mon 22/915:05LHR - RUN
1 stop14h 55mMultiple Airlines
Deal found 17/9£685
Thu 18/922:10RUN - STN
2 stops30h 15mMultiple Airlines
Mon 22/917:10STN - RUN
2 stops36h 50mMultiple Airlines
Deal found 17/9£707
Sat 4/1008:00RUN - LGW
1 stop26h 00mMultiple Airlines
Mon 6/1015:05LGW - RUN
1 stop14h 55mMultiple Airlines
Deal found 17/9£719
Thu 18/908:45RUN - LHR
2 stops26h 10mAir France
Mon 22/908:55LHR - RUN
2 stops22h 05mAir France
Deal found 17/9£755
Sat 4/1008:00RUN - STN
2 stops25h 50mMultiple Airlines
Mon 6/1020:50STN - RUN
2 stops33h 10mMultiple Airlines
Deal found 17/9£759
Wed 24/1207:00RUN - LHR
2 stops18h 40mMultiple Airlines
Thu 1/112:05LHR - RUN
2 stops21h 55mMultiple Airlines
Deal found 16/9£789
Sun 21/922:10RUN - STN
2 stops28h 55mMultiple Airlines
Mon 6/1020:50STN - RUN
2 stops33h 10mMultiple Airlines
Deal found 17/9£790

Cheapflights Fare Finder

 
Customise your flight search to find flights from Saint-Denis to London 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 19 September 2025.
Use the filters below to find and compare flights from Saint-Denis to London that are best for you.

Fly from

Saint-Denis

Fly to

London

Route

Depart

Return

Price

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Sat 4/10

08:00-07:00

1 stop26h 00m

London Gatwick

Mon 6/10

15:05-09:00

1 stop14h 55m

£719

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sat 4/10

22:10-14:15

1 stop19h 05m

London Heathrow

Mon 6/10

15:05-09:00

1 stop14h 55m

£755

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Sat 4/10

08:00-06:50

2 stops25h 50m

London Stansted

Mon 6/10

20:50-09:00

2 stops33h 10m

£759

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 24/12

07:00-21:40

2 stops18h 40m

London Heathrow

Thu 1/1

12:05-14:00

2 stops21h 55m

£789

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Tue 16/12

23:00-18:35

1 stop23h 35m

London Gatwick

Fri 2/1

08:30-05:30

1 stop17h 00m

£795

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Thu 18/12

17:25-06:55

1 stop17h 30m

London Gatwick

Sun 4/1

16:00-11:45

1 stop15h 45m

£840

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Mon 15/12

12:40-07:20

1 stop22h 40m

London Gatwick

Sat 3/1

08:30-09:55

1 stop21h 25m

£883

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Tue 16/12

09:15-12:15

1 stop31h 00m

London Heathrow

Fri 2/1

07:20-06:45

1 stop19h 25m

£908

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 18/12

09:15-17:05

1 stop35h 50m

London Heathrow

Sun 4/1

20:35-06:45

1 stop30h 10m

£953

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Thu 18/12

17:25-18:25

2 stops29h 00m

London Gatwick

Sun 4/1

20:25-09:25

2 stops33h 00m

£978

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 29 results
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Best time to book a flight from Saint-Denis to London

Have a flexible travel schedule? Discover the best time to fly to London from Saint-Denis 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 Saint-Denis to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Saint-Denis to London. 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 from for flights from Saint-Denis to London?

    Saint-Denis Gillot (RUN), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Saint-Denis to London. 0 airlines have flights from Gillot to London on a regular basis. Booking flights from Saint-Denis Gillot to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

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

    Airlines like Air Mauritius fly from Saint-Denis to London in about 17h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Saint-Denis to London is about 6006 mi.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Saint-Denis to London 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 Saint-Denis to London?

    Currently, January is the cheapest month in which you can book a flight from Saint-Denis to London (average of £112). Flying from Saint-Denis to London in August is currently the most expensive (average of £164). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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Alternative routes for Saint-Denis to London

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Saint-Denis to London, users can toggle the no change fees filter when performing a flight search.

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