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Cheap flights from London Heathrow Airport to Saint-Denis from £635

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — RUN
5 May — 12 May1
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 30 April 2025.

Round-trip from

£635

Popular in

December

Cheapest in

November

Average price

£965
13/6-20/6
  • 13/6-20/6
  • 2 total stops
  • 55h 00m total
  • London to Saint-Denis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£27 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£48 potential savings vs. average return price).
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Average for round-trip flights in April 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 30 April 2025.

Fri 13/615:05LHR - RUN
1 stop26h 05mMultiple Airlines
Fri 20/612:20RUN - LHR
1 stop28h 55mMultiple Airlines
Deal found 29/4£635
Sat 14/617:35LHR - RUN
1 stop35h 35mAir Austral
Sat 21/619:55RUN - LHR
1 stop17h 35mAir Austral
Deal found 29/4£980
Fri 6/606:15LHR - RUN
1 stop21h 15mAir France
Sat 21/608:45RUN - LHR
1 stop15h 40mAir France
Deal found 29/4£1,024
Sat 20/1217:35LHR - RUN
2 stops35h 50mAir Mauritius
Thu 1/107:00RUN - LHR
2 stops18h 25mAir Mauritius
Deal found 29/4£1,609

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 30 April 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

Fri 13/6

15:05-20:10

1 stop26h 05m

Saint-Denis Gillot

Fri 20/6

12:20-14:15

1 stop28h 55m

£635

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sat 14/6

17:35-08:10

1 stop35h 35m

Saint-Denis Gillot

Sat 21/6

19:55-10:30

1 stop17h 35m

£980

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Fri 6/6

06:15-06:30

1 stop21h 15m

Saint-Denis Gillot

Sat 21/6

08:45-21:25

1 stop15h 40m

£1,024

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Tue 10/6

06:15-10:50

2 stops25h 35m

Saint-Denis Gillot

Tue 24/6

15:20-21:25

2 stops33h 05m

£3,357

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 30 April 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 30 April 2025.
Air France
7.4
Good
1,446 reviews
Check prices

Crew

8.2

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Food

7.0

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Jan 2025

PNR - LAD

Why bother with the continental breakfast? It's so lack luster that it's not worth anyone's time.
Air France
7.4
Good
1,446 reviews
Air France
7.4
Good
1,446 reviews
Check prices

Crew

8.2

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Food

7.0

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Jan 2025

PNR - LAD

Why bother with the continental breakfast? It's so lack luster that it's not worth anyone's time.

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 Austral, at £980, was found to be the cheapest airline from London Heathrow Airport to Saint-Denis.Alternate airlines flying return to your destination include Air France and Air Mauritius.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£829Average£1,105FlexibilityNo 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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