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Cheap flights from London Heathrow Airport to Saint-Denis from £417

LHR — RUN
12 Oct — 19 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

Thu 17/915:00 -
1 stop15h 00m
Thu 1/1022:10 -
1 stop19h 05m
Deal found 12/9£690
Fri 18/920:50 -
2 stops29h 45m
Thu 1/1022:10 -
1 stop19h 05m
Deal found 10/9£698
Wed 9/906:15 -
1 stop22h 55m
Tue 22/919:55 -
1 stop20h 50m
Deal found 8/9£735
Thu 17/906:15 -
1 stop22h 55m
Wed 30/919:55 -
1 stop15h 00m
Deal found 8/9£739

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£574

One-way from

£417

Popular in

February

Cheapest in

September

Average price

£600
6/1-27/1
  • 6/1-27/1
  • 2 total stops
  • 37h 00m total
  • London to Saint-Denis
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27/9-31/12
  • 27/9-31/12
  • 1 total stop
  • 39h 00m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£215 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£47 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.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 27/9

15:30-09:00

2 stops38h 30m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£467

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 23/9

15:00-09:00

1 stop39h 00m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£479

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 24/9

15:00-09:00

1 stop39h 00m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£525

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 28/9

14:25-16:15

2 stops22h 50m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£655

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 4/10

20:40-22:50

2 stops23h 10m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£701

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 6/3

11:30-09:10

1 stop17h 40m

Saint-Denis Gillot

Sat 27/3

19:55-06:55

1 stop15h 00m

£704

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 6/1

21:05-05:30

2 stops28h 25m

Saint-Denis Gillot

Wed 27/1

23:00-14:25

1 stop19h 25m

£766
Fastest return journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 3/10

14:45-08:10

1 stop14h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£852

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 6/1

06:20-10:50

2 stops24h 30m

Saint-Denis Gillot

Wed 27/1

07:00-07:55

2 stops28h 55m

£877

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 26/9

18:40-18:00

3 stops20h 20m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£883

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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 24h 30m. There are 6029 mi between London Heathrow Airport and Saint-Denis.

  • 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.

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Alternative routes for Heathrow to Saint-Denis

Gatwick to Saint-Denis flights

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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.

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