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Cheap flights from London Heathrow Airport to Saint-Denis from £319

LHR — RUN
24 Oct — 31 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

Mon 16/1114:45 -
1 stop17h 55m
Thu 26/1123:00 -
1 stop19h 25m
Deal found 22/9£702
Sun 15/1115:15 -
1 stop14h 40m
Tue 1/1223:00 -
1 stop23h 20m
Deal found 22/9£708
Sun 15/1115:15 -
1 stop14h 40m
Mon 30/1123:00 -
2 stops25h 05m
Deal found 22/9£718
Fri 13/1118:50 -
2 stops59h 05m
Thu 26/1123:00 -
1 stop19h 25m
Deal found 23/9£746
Mon 7/1214:45 -
1 stop17h 55m
Sun 13/1223:00 -
1 stop18h 45m
Deal found 21/9£777

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£566

One-way from

£319

Popular in

February

Cheapest in

January

Average price

£611
26/2-11/3
  • 26/2-11/3
  • 2 total stops
  • 37h 00m total
  • London to Saint-Denis
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4/12-31/12
  • 4/12-31/12
  • 1 total stop
  • 34h 15m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£31 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£54 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
Fastest return journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 6/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£334

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 1/12

08:55-09:55

1 stop21h 00m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£345

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 4/12

21:05-05:30

2 stops28h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£366

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 3/12

11:30-09:55

1 stop18h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£367

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 7/12

06:20-10:50

2 stops24h 30m

Saint-Denis Gillot

Wed 16/12

12:05-21:25

2 stops37h 20m

£874

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 3/12

11:30-22:50

2 stops31h 20m

Saint-Denis Gillot

Tue 15/12

12:05-07:55

2 stops47h 50m

£874

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 2/12

17:35-22:50

2 stops49h 15m

Saint-Denis Gillot

Wed 16/12

12:05-21:25

2 stops37h 20m

£884

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 2/12

19:25-22:50

2 stops47h 25m

Saint-Denis Gillot

Mon 14/12

17:30-10:30

2 stops21h 00m

£884

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 14/3

06:20-16:15

2 stops29h 55m

Saint-Denis Gillot

Thu 18/3

17:55-07:55

2 stops42h 00m

£888

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 14/3

15:00-12:40

1 stop17h 40m

Saint-Denis Gillot

Thu 18/3

20:40-13:45

1 stop21h 05m

£894

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 13 resultsSorted by cheapest first
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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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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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