Cheap flights from Saint-Denis to London from £251

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
RUN — LON
12 10月 — 19 10月1
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 12 9月 2025.

Round-trip from

£653

One-way from

£251

Popular in

November

Cheapest in

March

Average price

£940
5/10-7/2
  • 5/10-7/2
  • 2 total stops
  • 45h 30m total
  • Saint-Denis to London
18/10
  • 18/10
  • 1 total stop
  • 14h 30m total
  • Saint-Denis to London
Highest demand for flights based on searches. 24% potential increase in price (£198 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£51 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 12 9月 2025.

週五 19/919:55RUN - LGW
1 stop17h 05mMultiple Airlines
週二 23/908:05LGW - RUN
1 stop21h 05mMultiple Airlines
Deal found 10/9£606
週日 5/1010:40RUN - LGW
1 stop23h 30mMultiple Airlines
週六 7/207:10LGW - RUN
1 stop22h 00mMultiple Airlines
Deal found 10/9£653
週四 11/908:45RUN - LGW
1 stop16h 50mMultiple Airlines
週一 15/907:45LGW - RUN
1 stop19h 45mMultiple Airlines
Deal found 10/9£675
週五 12/922:10RUN - LGW
1 stop24h 20mMultiple Airlines
週二 16/913:40LGW - RUN
1 stop16h 20mMultiple Airlines
Deal found 11/9£709
週日 5/1019:55RUN - LHR
1 stop28h 30mMultiple Airlines
週六 7/211:30LHR - RUN
1 stop17h 40mMultiple Airlines
Deal found 10/9£709
週四 11/908:45RUN - LHR
1 stop15h 40mAir France
週一 15/908:55LHR - RUN
2 stops22h 05mAir France
Deal found 10/9£721
週五 19/922:10RUN - LHR
1 stop19h 05mMultiple Airlines
週二 23/915:05LHR - RUN
1 stop14h 55mMultiple Airlines
Deal found 10/9£731
週五 12/922:10RUN - LHR
1 stop19h 05mMultiple Airlines
週二 16/915:05LHR - RUN
1 stop14h 55mMultiple Airlines
Deal found 11/9£736
週日 5/1022:10RUN - STN
2 stops28h 49mMultiple Airlines
週六 7/218:00STN - RUN
2 stops35h 55mMultiple Airlines
Deal found 10/9£778
週三 24/1207:00RUN - LHR
2 stops16h 15mMultiple Airlines
週四 1/109:00LHR - RUN
2 stops21h 50mMultiple Airlines
Deal found 11/9£783
週五 26/1217:25RUN - LGW
1 stop17h 30mAir Mauritius
週五 9/116:00LGW - RUN
1 stop13h 25mAir Mauritius
Deal found 11/9£836
週五 12/922:10RUN - STN
2 stops30h 05mMultiple Airlines
週二 16/907:05STN - RUN
2 stops22h 55mMultiple Airlines
Deal found 11/9£935

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 12 9月 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

週日 5/10

10:40-07:10

1 stop23h 30m

London Gatwick

週六 7/2

07:10-09:10

1 stop22h 00m

£653

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

週日 5/10

19:55-21:25

1 stop28h 30m

London Heathrow

週六 7/2

11:30-09:10

1 stop17h 40m

£709

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

週日 5/10

22:10-23:59

2 stops28h 49m

London Stansted

週六 7/2

18:00-09:55

2 stops35h 55m

£778

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

週三 24/12

07:00-19:15

2 stops16h 15m

London Heathrow

週四 1/1

12:05-10:50

2 stops18h 45m

£781

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

週日 1/3

11:40-07:20

1 stop23h 40m

London Gatwick

週六 28/3

07:10-09:10

1 stop22h 00m

£807

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

週五 26/12

17:25-06:55

1 stop17h 30m

London Gatwick

週五 9/1

16:00-09:25

1 stop13h 25m

£836

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

週日 28/12

12:40-07:40

1 stop23h 00m

London Gatwick

週日 11/1

19:55-21:00

1 stop21h 05m

£848

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

週一 1/12

23:00-15:45

1 stop20h 45m

London Gatwick

週一 15/12

08:30-09:55

1 stop21h 25m

£875

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

週日 28/12

23:00-14:25

1 stop19h 25m

London Heathrow

週日 11/1

15:15-21:00

1 stop25h 45m

£884

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

週三 24/12

12:05-06:40

2 stops22h 35m

London Gatwick

週四 1/1

13:35-10:50

2 stops17h 15m

£941

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 47 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
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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.

  • What are the most popular routes 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

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