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Cheap flights from London Heathrow Airport to Saint-Denis from £292

LHR — RUN
17 Oct — 24 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 13/9£713
Fri 18/915:00 -
1 stop16h 30m
Thu 1/1021:30 -
1 stop19h 45m
Deal found 17/9£718
Wed 16/915:00 -
1 stop16h 30m
Wed 23/921:30 -
1 stop19h 45m
Deal found 15/9£722
Mon 14/920:50 -
2 stops33h 10m
Sun 20/922:10 -
1 stop19h 05m
Deal found 13/9£770
Thu 17/919:45 -
1 stop13h 35m
Thu 1/1020:25 -
1 stop14h 30m
Deal found 16/9£816
Thu 17/908:55 -
1 stop20h 15m
Wed 30/919:55 -
1 stop15h 00m
Deal found 14/9£834
Sat 19/919:45 -
1 stop13h 35m
Fri 2/1020:25 -
1 stop17h 05m
Deal found 17/9£835

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£580

One-way from

£292

Popular in

February

Cheapest in

September

Average price

£606
4/2-15/2
  • 4/2-15/2
  • 2 total stops
  • 34h 05m total
  • London to Saint-Denis
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20/11-31/12
  • 20/11-31/12
  • 1 total stop
  • 34h 15m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£220 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£48 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

Mon 23/11

19:20-09:10

1 stop33h 50m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£382

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 19/11

06:20-09:10

1 stop22h 50m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£423

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 28/10

18:50-05:30

2 stops54h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£477

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 15/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£503
Fastest return journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 19/11

14:45-09:10

1 stop14h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£663

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 17/11

11:30-09:10

1 stop17h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£663

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 21/11

14:50-10:50

2 stops16h 00m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£782

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 21/10

15:00-09:00

1 stop15h 00m

Saint-Denis Gillot

Sat 7/11

23:00-14:25

1 stop19h 25m

£860

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 21/10

15:00-09:00

1 stop15h 00m

Saint-Denis Gillot

Thu 5/11

23:00-14:20

1 stop19h 20m

£868

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 19/11

15:45-13:20

2 stops17h 35m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£902

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 23 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 25m. 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.

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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