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Cheap flights from London Heathrow Airport to Saint-Denis from £486

LHR — RUN
25 Sep — 2 Oct1
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 6/906:15 -
1 stop22h 55m
Wed 16/922:10 -
1 stop19h 05m
Deal found 25/8£657
Sun 30/817:35 -
1 stop15h 20m
Tue 15/922:10 -
1 stop19h 05m
Deal found 25/8£691
Tue 8/915:00 -
1 stop15h 00m
Tue 22/922:10 -
1 stop19h 05m
Deal found 22/8£707
Sun 1/1115:15 -
1 stop25h 45m
Thu 12/1123:00 -
1 stop19h 25m
Deal found 25/8£747
Thu 27/815:00 -
1 stop16h 30m
Thu 10/920:25 -
2 stops26h 40m
Deal found 22/8£756
Mon 14/915:00 -
1 stop15h 00m
Wed 23/922:10 -
2 stops43h 35m
Deal found 23/8£762
Tue 15/915:00 -
1 stop16h 30m
Wed 23/921:30 -
1 stop19h 45m
Deal found 23/8£774

Find flight deals from Heathrow to Saint-Denis

Round-trip from

£582

One-way from

£486

Popular in

February

Cheapest in

January

Average price

£1,082
3/2-24/2
  • 3/2-24/2
  • 2 total stops
  • 37h 00m total
  • London to Saint-Denis
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30/10
  • 30/10
  • 1 total stop
  • 14h 40m 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

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 7/1

15:15-05:30

1 stop34h 15m

Saint-Denis Gillot

Mon 18/1

23:00-14:25

1 stop19h 25m

£648

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 1/11

15:15-21:00

1 stop25h 45m

Saint-Denis Gillot

Thu 12/11

23:00-14:25

1 stop19h 25m

£747

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 6/9

22:15-08:10

2 stops54h 55m

Saint-Denis Gillot

Wed 16/9

22:10-14:15

1 stop19h 05m

£767
Fastest return journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 2/10

09:55-09:00

2 stops20h 05m

Saint-Denis Gillot

Wed 14/10

22:10-14:15

1 stop19h 05m

£850

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 5/10

08:55-08:10

1 stop20h 15m

Saint-Denis Gillot

Mon 12/10

10:40-07:55

1 stop24h 15m

£883

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 8/10

15:00-10:30

1 stop16h 30m

Saint-Denis Gillot

Thu 15/10

09:00-14:15

1 stop32h 15m

£930

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 29/10

14:45-10:50

2 stops16h 05m

Saint-Denis Gillot

Wed 11/11

12:05-10:30

2 stops26h 25m

£958
Cheapest one-way
Fastest single journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 30/10

15:15-09:55

1 stop14h 40m

£486

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 1/11

08:40-09:10

2 stops20h 30m

£577

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 28/10

06:20-09:10

1 stop22h 50m

£580

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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
1,647 reviews
Check prices

Food

7.1

Comfort

7.4

Crew

8.2

Entertainment

7.0

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

Food

7.1

Comfort

7.4

Crew

8.2

Entertainment

7.0

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.

  • 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£957FlexibilityNo 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.

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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