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Cheap flights from London Heathrow Airport to Saint-Denis from £390

LHR — RUN
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Saint-Denis

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Saint-Denis

Fri 20/1117:35 -
1 stop15h 05m
Sun 29/1120:40 -
1 stop15h 15m
Deal found 4/9£725
Wed 30/1215:15 -
1 stop16h 05m
Sun 10/121:30 -
1 stop20h 55m
Deal found 2/9£726
Wed 25/1106:20 -
1 stop22h 50m
Wed 2/1223:00 -
2 stops25h 05m
Deal found 4/9£742
Fri 18/915:00 -
1 stop16h 30m
Thu 1/1021:30 -
1 stop19h 45m
Deal found 2/9£760
Thu 17/920:50 -
2 stops34h 40m
Thu 1/1021:30 -
2 stops25h 35m
Deal found 5/9£769
Fri 18/915:00 -
1 stop15h 00m
Fri 2/1022:10 -
1 stop19h 05m
Deal found 2/9£797
Thu 17/915:00 -
1 stop15h 00m
Fri 2/1022:10 -
1 stop19h 05m
Deal found 2/9£804
Fri 18/906:15 -
2 stops25h 35m
Thu 1/1012:05 -
2 stops36h 20m
Deal found 2/9£834

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£562

One-way from

£390

Popular in

February

Cheapest in

January

Average price

£600
1/2-7/2
  • 1/2-7/2
  • 2 total stops
  • 37h 00m total
  • London to Saint-Denis
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18/9-31/12
  • 18/9-31/12
  • 1 total stop
  • 35h 35m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£29 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£53 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 26/12

20:50-21:00

2 stops44h 10m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£517

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 17/9

22:15-09:30

2 stops32h 15m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£660

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 25/11

06:20-09:10

1 stop22h 50m

Saint-Denis Gillot

Wed 2/12

23:00-20:05

2 stops25h 05m

£742

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 17/9

15:00-10:50

2 stops40h 50m

Saint-Denis Gillot

Thu 1/10

12:05-21:25

2 stops36h 20m

£867

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 2/2

17:05-13:20

2 stops16h 15m

Saint-Denis Gillot

Sat 13/2

21:05-10:45

2 stops17h 40m

£875

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 25/11

06:20-09:30

2 stops23h 10m

Saint-Denis Gillot

Wed 2/12

12:05-13:45

2 stops29h 40m

£876

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 25/11

19:25-13:20

1 stop13h 55m

Saint-Denis Gillot

Wed 2/12

21:45-13:45

1 stop20h 00m

£887

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 1/2

15:45-13:20

2 stops17h 35m

Saint-Denis Gillot

Mon 15/2

21:05-10:45

2 stops17h 40m

£894

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 30/1

17:35-13:20

1 stop15h 45m

Saint-Denis Gillot

Mon 15/2

10:35-18:20

1 stop35h 45m

£903

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 30/1

19:20-13:20

1 stop14h 00m

Saint-Denis Gillot

Mon 15/2

21:05-16:05

2 stops23h 00m

£923

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Saint-Denis

Have a flexible travel schedule? Discover the best time to fly to Saint-Denis from Heathrow with our price prediction graph.
Estimated return price

Related info for your journey

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

    Saint-Denis Gillot (RUN) is the airport you will fly into if you book a flight from London Heathrow to Saint-Denis. You should not have trouble finding flights to Gillot from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Saint-Denis airport from London Heathrow. It is only a 3.9 mi journey from Gillot (RUN) to Saint-Denis’s city center.

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

    Departing from London Heathrow Airport to Saint-Denis will take you 13h 55m. There are 6029 mi between London Heathrow Airport and Saint-Denis. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

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Alternative routes for Heathrow to Saint-Denis

Gatwick to Saint-Denis flights

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Deals for Heathrow to Saint-Denis flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Saint-Denis from Heathrow.

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

Need flexible booking options for your flight to Saint-Denis from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow to Saint-Denis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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