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Cheap flights from London Heathrow Airport to Saint-Denis from £331

LHR — RUN
20 Sep — 27 Sep1
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

Fri 4/915:00 -
1 stop16h 30m
Mon 14/908:00 -
1 stop33h 15m
Deal found 17/8£644
Wed 16/915:00 -
1 stop16h 30m
Wed 7/1021:30 -
1 stop19h 45m
Deal found 20/8£704
Wed 9/915:00 -
1 stop15h 00m
Wed 23/922:10 -
1 stop19h 05m
Deal found 19/8£716
Wed 16/915:00 -
1 stop15h 00m
Wed 23/922:10 -
1 stop19h 05m
Deal found 17/8£743
Mon 14/915:00 -
1 stop16h 30m
Thu 24/921:30 -
1 stop19h 45m
Deal found 18/8£744
Tue 15/915:00 -
1 stop15h 00m
Wed 23/922:10 -
1 stop19h 05m
Deal found 18/8£763
Sun 23/815:00 -
1 stop16h 30m
Sat 5/908:00 -
1 stop26h 55m
Deal found 16/8£764
Tue 15/915:00 -
1 stop15h 00m
Thu 24/922:10 -
1 stop19h 05m
Deal found 18/8£765
Sun 23/806:15 -
1 stop22h 55m
Tue 8/922:10 -
1 stop19h 05m
Deal found 19/8£772

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£566

One-way from

£331

Popular in

February

Cheapest in

January

Average price

£1,081
8/2-21/2
  • 8/2-21/2
  • 2 total stops
  • 37h 00m total
  • London to Saint-Denis
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31/8
  • 31/8
  • 1 total stop
  • 17h 35m total
  • London to Saint-Denis
Search Deals
High demand for flights, 0% potential price rise
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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 August 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 9/9

15:00-09:00

1 stop15h 00m

Saint-Denis Gillot

Wed 23/9

22:10-14:15

1 stop19h 05m

£716

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 16/9

15:00-09:00

1 stop15h 00m

Saint-Denis Gillot

Wed 23/9

22:10-14:15

1 stop19h 05m

£743

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 1/12

19:20-22:50

2 stops23h 30m

Saint-Denis Gillot

Tue 8/12

12:05-21:25

2 stops37h 20m

£822

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 1/12

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Tue 8/12

22:00-14:25

1 stop20h 25m

£828

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 18/11

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Sun 13/12

23:00-14:25

1 stop19h 25m

£872

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 18/11

06:20-09:30

2 stops23h 10m

Saint-Denis Gillot

Sun 13/12

12:05-21:25

2 stops37h 20m

£880

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Tue 13/10

20:50-06:30

2 stops30h 40m

Saint-Denis Gillot

Thu 22/10

21:30-14:15

1 stop19h 45m

£966

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 30/9

15:00-10:30

1 stop16h 30m

Saint-Denis Gillot

Wed 7/10

21:30-14:15

1 stop19h 45m

£972

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 28/9

14:25-22:50

2 stops29h 25m

Saint-Denis Gillot

Fri 9/10

18:00-07:05

2 stops40h 05m

£975

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 14/9

14:45-12:20

2 stops18h 35m

Saint-Denis Gillot

Wed 23/9

20:25-13:50

2 stops20h 25m

£977

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 14 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
1,647 reviews
Check prices

Crew

8.2

Entertainment

7.0

Comfort

7.4

Food

7.1

Boarding

7.5

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.
Air France
7.5
Good
1,647 reviews
Air France
7.5
Good
1,647 reviews
Check prices

Crew

8.2

Entertainment

7.0

Comfort

7.4

Food

7.1

Boarding

7.5

Overall

7.5

Reviews

1 / 20
8.0
Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.

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 23h 30m. 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 £398, 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£398Average£956FlexibilityNo cancel feeOn-time77%
Search Air France flights

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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.

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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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