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Cheap flights from London Heathrow Airport to Saint-Denis from £660

LHR — RUN
27 Nov — 4 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

Thu 26/1117:35 -
1 stop15h 45m
Wed 9/1221:45 -
1 stop20h 00m
Deal found 23/10£660
Mon 16/1114:45 -
1 stop17h 55m
Sun 29/1123:00 -
1 stop26h 25m
Deal found 27/10£686
Fri 13/1115:15 -
1 stop14h 40m
Sun 29/1123:00 -
2 stops23h 00m
Deal found 27/10£719
Mon 16/1114:45 -
1 stop17h 55m
Wed 2/1220:40 -
1 stop23h 55m
Deal found 23/10£720
Thu 26/1115:10 -
2 stops34h 20m
Wed 9/1223:00 -
1 stop19h 20m
Deal found 23/10£721
Fri 13/1115:15 -
1 stop14h 40m
Thu 17/1211:40 -
1 stop24h 15m
Deal found 23/10£745
Mon 16/1114:45 -
2 stops38h 45m
Wed 2/1212:05 -
2 stops29h 40m
Deal found 23/10£761
Wed 9/1208:55 -
2 stops21h 55m
Wed 16/1212:05 -
2 stops23h 50m
Deal found 25/10£764

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£660

Popular in

February

Cheapest in

September

Average price

£1,399
Air France
  • Air France
  • 26/11-9/12
  • 2 total stops
  • 35h 45m total
  • London to Saint-Denis
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Highest demand for flights based on searches. 18% potential increase in price (£187 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£50 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

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Route

Depart

Return

Price

Cheapest return flight

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 16/11

17:35-12:40

1 stop15h 05m

Saint-Denis Gillot

Wed 2/12

20:40-13:45

1 stop21h 05m

£772

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 9/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 16/12

23:00-14:20

1 stop19h 20m

£838

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 14/3

06:20-09:30

2 stops23h 10m

Saint-Denis Gillot

Thu 18/3

18:05-10:30

2 stops20h 25m

£869

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

£909

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 13/11

11:30-10:50

2 stops19h 20m

Saint-Denis Gillot

Sun 29/11

16:55-13:00

3 stops24h 05m

£1,021

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 19/3

15:45-13:20

2 stops17h 35m

Saint-Denis Gillot

Tue 30/3

20:25-07:55

1 stop14h 30m

£1,042

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sat 19/12

20:50-09:55

2 stops33h 05m

Saint-Denis Gillot

Fri 25/12

23:00-20:05

2 stops25h 05m

£1,324
Fastest return journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 14/3

15:00-09:10

1 stop14h 10m

Saint-Denis Gillot

Thu 18/3

20:40-07:55

1 stop15h 15m

£1,411

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Sorted by cheapest first

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 23h 10m. 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

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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.

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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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