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Cheap flights from London Heathrow Airport to Saint-Denis from £715

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — RUN
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Heathrow to Saint-Denis

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Saint-Denis (RUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2025.

Round-trip from

£715

Popular in

December

Cheapest in

November

Average price

£112
20/9-27/9
  • 20/9-27/9
  • 3 total stops
  • 61h 20m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£41 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£46 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Heathrow to Saint-Denis

Cheapest flights from Heathrow to Saint-Denis
Explore the most affordable flight options available from Heathrow to Saint-Denis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sat 20/915:05LHR - RUN
1 stop35h 30mMultiple Airlines
Sat 27/917:25RUN - LHR
2 stops25h 50mMultiple Airlines
Deal found 12/6£715
Tue 25/1111:30LHR - RUN
2 stops17h 55mAir Mauritius
Thu 4/1212:05RUN - LHR
2 stops47h 55mAir Mauritius
Deal found 12/6£890
Thu 6/1117:35LHR - RUN
1 stop15h 05mAir Austral
Thu 13/1120:40RUN - LHR
1 stop21h 05mAir Austral
Deal found 12/6£983
Thu 12/620:55LHR - RUN
2 stops29h 35mKLM
Thu 19/608:45RUN - LHR
2 stops25h 55mKLM
Deal found 11/6£1,107
Mon 28/708:55LHR - RUN
2 stops17h 35mAir France
Mon 4/808:45RUN - LHR
1 stop15h 40mAir France
Deal found 13/6£1,322

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Saint-Denis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Saint-Denis that are best for you.

Fly from

Heathrow

Fly to

Saint-Denis

Route

Depart

Return

Price

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sat 20/9

15:05-05:35

1 stop35h 30m

Saint-Denis Gillot

Sat 27/9

17:25-16:15

2 stops25h 50m

£715

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Tue 25/11

11:30-09:25

2 stops17h 55m

Saint-Denis Gillot

Thu 4/12

12:05-08:00

2 stops47h 55m

£890

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Thu 6/11

17:35-12:40

1 stop15h 05m

Saint-Denis Gillot

Thu 13/11

20:40-13:45

1 stop21h 05m

£983

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Mon 28/7

08:55-05:30

2 stops17h 35m

Saint-Denis Gillot

Mon 4/8

08:45-21:25

1 stop15h 40m

£1,322

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Tue 29/7

11:30-08:10

1 stop17h 40m

£749

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Tue 29/7

16:50-09:25

2 stops37h 35m

£945

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Saint-Denis

What is the cheapest time of day to fly from LHR to RUN?

Find hourly flight availability from Heathrow to Saint-Denis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

It’s typically best to fly out from London Heathrow Airport to Saint-Denis in the afternoon. Doing so could potentially save you 81% on the flight price compared to flying at midday, which is usually more expensive.

Reviews of airlines servicing Saint-Denis

Get insights into the airlines that provide service to Saint-Denis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint-Denis. Reviews last updated 13 June 2025.
Air France
7.5
Good
1,463 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.5
Good
1,463 reviews
Air France
7.5
Good
1,463 reviews
Check prices

Boarding

7.4

Entertainment

7.0

Crew

8.2

Food

7.0

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Saint-Denis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 are the cheapest airlines flying from London Heathrow Airport to Saint-Denis round-trip?

    Air Mauritius, at £890, was found to be the cheapest airline from London Heathrow Airport to Saint-Denis.Alternate airlines flying return to your destination include Air Austral and Air France.

  • 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

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Alternative routes for Heathrow to Saint-Denis

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Saint-Denis flights

Top airline flying from Heathrow to Saint-Denis

Discover the top airline that operate flights from Heathrow to Saint-Denis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£818Average£1,075FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Saint-Denis?

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.

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.

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.

Can Cheapflights notify me if prices for flights from Heathrow to Saint-Denis become cheaper?

Yes! Start tracking prices for Heathrow to Saint-Denis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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