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Cheap flights from London Heathrow Airport to Saint-Denis from £293

LHR — RUN
30 Nov — 7 Dec1
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

Sun 15/1111:30 -
1 stop17h 40m
Mon 30/1120:40 -
1 stop23h 55m
Deal found 29/10£635
Mon 16/1114:45 -
1 stop17h 55m
Sun 29/1123:00 -
1 stop26h 25m
Deal found 27/10£682
Fri 13/1115:15 -
1 stop14h 40m
Sun 29/1123:00 -
2 stops23h 00m
Deal found 27/10£715
Sat 21/1119:20 -
1 stop34h 35m
Wed 25/1123:00 -
1 stop18h 45m
Deal found 29/10£719
Thu 12/1114:45 -
1 stop17h 55m
Fri 20/1120:40 -
1 stop15h 15m
Deal found 29/10£731

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£635

One-way from

£293

Popular in

February

Cheapest in

September

Average price

£1,391
15/11-30/11
  • 15/11-30/11
  • 2 total stops
  • 41h 35m total
  • London to Saint-Denis
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4/12-31/12
  • 4/12-31/12
  • 1 total stop
  • 14h 40m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£185 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£49 potential savings vs. average return price).
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Average for round-trip flights in October 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 5/12

19:20-09:55

1 stop34h 35m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£302

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 15/12

09:55-09:55

2 stops20h 00m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£685

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 21/12

09:55-12:40

2 stops22h 45m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£690

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 13/11

11:30-09:55

1 stop18h 25m

Saint-Denis Gillot

Sun 29/11

08:30-16:35

1 stop36h 05m

£745

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 18/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£856

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 14/1

15:45-13:20

2 stops17h 35m

Saint-Denis Gillot

Thu 11/2

21:05-07:55

1 stop14h 50m

£902

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 13/11

06:30-13:20

2 stops26h 50m

Saint-Denis Gillot

Sun 29/11

21:05-13:50

2 stops20h 45m

£928

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 7/11

14:05-13:20

2 stops19h 15m

Saint-Denis Gillot

Mon 16/11

10:35-21:25

1 stop14h 50m

£981

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 7/11

14:05-13:20

2 stops19h 15m

Saint-Denis Gillot

Sat 14/11

10:35-21:25

1 stop14h 50m

£981

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 16/11

11:30-09:30

2 stops18h 00m

Saint-Denis Gillot

Sun 29/11

12:05-13:45

2 stops29h 40m

£986

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 14 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.

  • 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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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.

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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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