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Cheap flights from London Heathrow Airport to Saint-Denis from £302

LHR — RUN
26 Oct — 2 Nov1
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

Sat 21/1117:35 -
1 stop15h 05m
Mon 7/1223:00 -
1 stop19h 25m
Deal found 26/9£686
Mon 16/1114:45 -
1 stop17h 55m
Thu 26/1123:00 -
1 stop19h 25m
Deal found 22/9£705
Sun 15/1115:15 -
1 stop14h 40m
Tue 1/1223:00 -
1 stop23h 20m
Deal found 22/9£711
Sun 15/1115:15 -
1 stop14h 40m
Mon 30/1123:00 -
2 stops25h 05m
Deal found 22/9£720
Sun 15/1106:20 -
1 stop21h 50m
Tue 1/1221:05 -
1 stop28h 20m
Deal found 25/9£727

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£564

One-way from

£302

Popular in

February

Cheapest in

January

Average price

£613
25/1-31/1
  • 25/1-31/1
  • 2 total stops
  • 37h 00m total
  • London to Saint-Denis
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27/2-31/12
  • 27/2-31/12
  • 1 total stop
  • 14h 40m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£32 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£55 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 27/2

15:30-09:55

2 stops38h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£324

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 13/2

15:15-09:55

1 stop38h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£326

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 16/11

15:30-09:55

2 stops38h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£336

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 25/1

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Sun 31/1

21:30-14:25

1 stop20h 55m

£564

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 26/2

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Thu 11/3

21:30-14:25

1 stop20h 55m

£568
Fastest return journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 20/2

18:45-09:10

3 stops34h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£581

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 21/11

09:55-09:55

2 stops20h 00m

Saint-Denis Gillot

Mon 7/12

23:00-14:25

1 stop19h 25m

£695

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 19/10

06:00-08:10

2 stops23h 10m

Saint-Denis Gillot

Mon 26/10

11:40-13:00

2 stops29h 20m

£832

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 26/2

08:55-10:50

2 stops21h 55m

Saint-Denis Gillot

Thu 11/3

07:00-07:55

2 stops28h 55m

£852

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 20/2

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Sun 7/3

21:30-14:25

1 stop20h 55m

£853

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 15 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 21h 55m. 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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