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Cheap flights from Saint-Denis to London from £419

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
RUN — LON
6 May — 13 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Saint-Denis to London

Enter your travel dates to find the best prices.

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 6 April 2026.

Wed 23/1207:00
RUN
-
LHR
2 stops38h 50m
Multiple Airlines
Tue 5/106:00
LHR
-
RUN
2 stops30h 10m
Multiple Airlines
Deal found 6/4£884
Thu 9/422:10
RUN
-
STN
1 stop21h 20m
Multiple Airlines
Tue 14/416:20
STN
-
RUN
2 stops37h 40m
Multiple Airlines
Deal found 2/4£936
Thu 9/422:10
RUN
-
LGW
1 stop21h 40m
Multiple Airlines
Tue 14/422:00
LGW
-
RUN
2 stops32h 00m
Multiple Airlines
Deal found 2/4£976
Sat 2/514:00
RUN
-
LGW
2 stops25h 35m
Multiple Airlines
Sat 9/521:45
LGW
-
RUN
2 stops22h 05m
Multiple Airlines
Deal found 4/4£979
Thu 9/422:10
RUN
-
LHR
2 stops20h 50m
Multiple Airlines
Tue 14/415:00
LHR
-
RUN
1 stop15h 00m
Multiple Airlines
Deal found 2/4£988
Thu 30/418:25
RUN
-
STN
2 stops21h 30m
Multiple Airlines
Fri 1/514:55
STN
-
RUN
2 stops18h 50m
Multiple Airlines
Deal found 3/4£996
Sat 2/518:00
RUN
-
STN
2 stops21h 55m
Multiple Airlines
Sat 9/521:05
STN
-
RUN
2 stops22h 45m
Multiple Airlines
Deal found 4/4£998
Thu 30/418:00
RUN
-
LGW
2 stops21h 35m
Multiple Airlines
Fri 1/514:35
LGW
-
RUN
2 stops19h 10m
Multiple Airlines
Deal found 3/4£1,003
Wed 6/512:30
RUN
-
LHR
2 stops21h 35m
Multiple Airlines
Sat 16/520:40
LHR
-
RUN
2 stops23h 10m
Multiple Airlines
Deal found 2/4£1,003
Sat 2/512:05
RUN
-
LHR
2 stops22h 00m
Multiple Airlines
Sat 9/522:15
LHR
-
RUN
2 stops21h 35m
Multiple Airlines
Deal found 4/4£1,005
Fri 9/1008:50
RUN
-
LHR
1 stop15h 35m
Air France
Fri 23/1017:35
LHR
-
RUN
1 stop15h 45m
Air France
Deal found 6/4£1,028
Mon 6/718:00
RUN
-
STN
2 stops21h 55m
Multiple Airlines
Sat 11/714:55
STN
-
RUN
2 stops28h 55m
Multiple Airlines
Deal found 2/4£1,029

Find 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 6 April 2026.

Round-trip from

£979

One-way from

£419
2/5-9/5
  • 2/5-9/5
  • 4 total stops
  • 47h 40m total
  • Saint-Denis to London
Search Deals
25/6
  • 25/6
  • 2 total stops
  • 36h 25m total
  • Saint-Denis to London
Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Thu 30/4

18:25-12:55

2 stops21h 30m

London Stansted

Fri 1/5

14:55-12:45

2 stops18h 50m

£996

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Sat 2/5

18:00-12:55

2 stops21h 55m

London Stansted

Sat 9/5

21:05-22:50

2 stops22h 45m

£998

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Thu 30/4

18:00-12:35

2 stops21h 35m

London Gatwick

Fri 1/5

14:35-12:45

2 stops19h 10m

£1,003

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sat 2/5

12:05-07:05

2 stops22h 00m

London Heathrow

Sat 9/5

22:15-22:50

2 stops21h 35m

£1,005

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Mon 6/7

18:00-12:55

2 stops21h 55m

London Stansted

Sat 11/7

14:55-22:50

2 stops28h 55m

£1,029

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 30/4

18:00-12:25

2 stops21h 25m

London Heathrow

Fri 1/5

14:25-12:45

2 stops19h 20m

£1,029

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Mon 6/7

12:05-12:35

2 stops27h 30m

London Gatwick

Sat 11/7

21:45-22:50

2 stops22h 05m

£1,040

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Fri 24/7

08:50-16:00

1 stop34h 10m

London Gatwick

Tue 4/8

17:00-21:55

1 stop25h 55m

£1,057

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Fri 24/7

10:10-12:35

2 stops29h 25m

London Gatwick

Tue 4/8

21:45-22:50

2 stops22h 05m

£1,084

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Mon 6/7

23:20-14:15

1 stop17h 55m

London Heathrow

Sat 11/7

15:00-21:05

1 stop27h 05m

£1,166

Flights are sorted by cheapest return flights first.

Deals found on 3/4

Showing 1-10 of 41 resultsSorted by cheapest first
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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 France fly from Saint-Denis to London in about 34h 10m. 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 Heathrow, Saint-Denis Gillot - London Stansted 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Wembley
Croydon
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Gatwick
Luton
Ilford
Slough
Hayes
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Colchester
Watford
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Guildford
Bishop's Stortford

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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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Not ready to book yet? You can track prices for flights from Saint-Denis to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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