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Cheap flights from London Heathrow Airport to Saint-Denis from £309

LHR — RUN
12 Dec — 19 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 19/1108:55 -
1 stop21h 00m
Wed 2/1223:00 -
1 stop23h 20m
Deal found 7/11£635
Fri 27/1108:55 -
1 stop20h 15m
Sun 6/1223:00 -
1 stop18h 45m
Deal found 11/11£686
Wed 9/1215:15 -
1 stop14h 40m
Wed 26/522:10 -
2 stops23h 50m
Deal found 10/11£687
Mon 7/1215:15 -
1 stop16h 05m
Mon 14/1222:00 -
1 stop20h 25m
Deal found 9/11£692
Fri 13/1115:15 -
1 stop14h 40m
Thu 26/1123:00 -
1 stop19h 25m
Deal found 9/11£736
Wed 9/1215:15 -
1 stop14h 40m
Thu 1/422:10 -
2 stops38h 00m
Deal found 10/11£745

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£686

One-way from

£309

Popular in

February

Cheapest in

September

Average price

£899
27/11-6/12
  • 27/11-6/12
  • 2 total stops
  • 39h 00m total
  • London to Saint-Denis
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9/12-31/12
  • 9/12-31/12
  • 1 total stop
  • 14h 40m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£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 November 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

Wed 9/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£309

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 15/3

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£311

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 22/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£569

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 11/12

15:15-05:30

1 stop34h 15m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£574

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 21/12

15:15-12:40

1 stop17h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£659

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 27/11

08:55-09:10

1 stop20h 15m

Saint-Denis Gillot

Sun 6/12

23:00-13:45

1 stop18h 45m

£686

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 23/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£691

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 9/12

14:45-10:50

2 stops16h 05m

Saint-Denis Gillot

Wed 16/12

12:05-07:55

2 stops23h 50m

£771

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 3/12

19:20-10:50

2 stops35h 30m

Saint-Denis Gillot

Mon 7/12

12:05-16:35

2 stops32h 30m

£803

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

£874

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

Reviews of airlines servicing Saint-Denis

Read through reviews of airlines operating flights from London Heathrow Airport to Saint-Denis, such as Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.5
Good
1,648 reviews
Check prices

Crew

8.2

Overall

7.5

Entertainment

7.0

Boarding

7.5

Food

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Patrick,Jun 2026

CDG - BER

It was really terrific. Timely boarding, plane was extremely comfortable (hot day in Paris), and food was delicious. I could not have been more pleased.
Air France
7.5
Good
1,648 reviews
Air France
7.5
Good
1,648 reviews
Check prices

Crew

8.2

Overall

7.5

Entertainment

7.0

Boarding

7.5

Food

7.1

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Patrick,Jun 2026

CDG - BER

It was really terrific. Timely boarding, plane was extremely comfortable (hot day in Paris), and food was delicious. I could not have been more pleased.

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 1 airline has 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 16h 05m. There are 6029 mi between London Heathrow Airport and Saint-Denis.

  • What is the cheapest airline to fly from London Heathrow Airport to Saint-Denis round-trip?

    Air France, at £407, was found to be the cheapest airline from London Heathrow Airport to 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Saint-Denis

Gatwick to Saint-Denis flights

Top airline flying from Heathrow to Saint-Denis

AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£407Average£903FlexibilityNo cancel feeOn-time77%
Search Air France flights

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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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