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

Air Austral, at £640, was found to be the cheapest airline from London Heathrow Airport to Saint-Denis. An alternate airline flying to your destination would be Air France. These flights start at 20% lower than the current average price 3 months from now.

What is the cheapest day to fly from London Heathrow Airport to Saint-Denis?

Travellers seeking maximum savings on their London Heathrow Airport to Saint-Denis flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 24% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from London Heathrow Airport to Saint-Denis?

Our data shows that May tends to be the cheapest month to fly to Saint-Denis from London Heathrow Airport. Users have commonly found prices around £900 for the month, but tickets can be as low as £559. Due to multiple factors, prepare for potentially higher prices in December.

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 2 airlines have 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.

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.

£332+ Cheap Flights from London Heathrow Airport to Saint-Denis

Q: How much does it cost for a return flight from London Heathrow Airport to Saint-Denis?

Airfare is below average for this route at the moment. London Heathrow Airport to Saint-Denis flights typically cost between £664 and £1,139 in February. The cheapest return flight price found within the last 3 days was £572 on Multiple Airlines (1 Feb-8 Feb).

Cheap flight deals from Heathrow to Saint-Denis

Round-trip from	£572
One-way from	£332
Popular in	December
Cheapest in	June
Average price	£1,187

1/2-8/2
2 total stops
37h 00m total
London to Saint-Denis

Search Deals

11/1
1 total stop
25h 45m total
London to Saint-Denis

Search Deals

High demand for flights, 6% potential price rise

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£44 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 26 August 2025.

Mon 22/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Mon 29/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 25/8£641

Tue 7/1020:50LHR - RUN

2 stops33h 10mMultiple Airlines

Tue 14/1022:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 26/8£673

Fri 5/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Thu 18/922:10RUN - LHR

2 stops26h 35mMultiple Airlines

Deal found 26/8£695

Wed 8/1015:05LHR - RUN

1 stop14h 55mMultiple Airlines

Wed 15/1022:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 24/8£710

Sat 6/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Sat 20/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 26/8£782

Best flights from Heathrow to Saint-Denis
Discover carefully curated flight deals from Heathrow to Saint-Denis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2025.

Sun 1/215:15LHR - RUN

1 stop16h 05mMultiple Airlines

Sun 8/221:30RUN - LHR

1 stop20h 55mMultiple Airlines

Deal found 25/8£572

Mon 22/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Mon 29/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 25/8£641

Tue 7/1020:50LHR - RUN

2 stops33h 10mMultiple Airlines

Tue 14/1022:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 26/8£673

Fri 5/915:05LHR - RUN

1 stop35h 30mMultiple Airlines

Thu 18/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 26/8£695

Sat 31/115:15LHR - RUN

1 stop14h 40mMultiple Airlines

Tue 10/223:00RUN - LHR

2 stops19h 10mMultiple Airlines

Deal found 25/8£701

Sun 1/215:15LHR - RUN

1 stop14h 40mMultiple Airlines

Tue 10/223:00RUN - LHR

2 stops19h 10mMultiple Airlines

Deal found 25/8£705

Thu 29/115:15LHR - RUN

1 stop14h 40mMultiple Airlines

Tue 10/223:00RUN - LHR

2 stops19h 10mMultiple Airlines

Deal found 25/8£706

Mon 2/215:15LHR - RUN

1 stop14h 40mMultiple Airlines

Tue 10/223:00RUN - LHR

2 stops19h 10mMultiple Airlines

Deal found 25/8£708

Wed 8/1015:05LHR - RUN

1 stop14h 55mMultiple Airlines

Wed 15/1022:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 24/8£710

Last-minute flights from Heathrow to Saint-Denis
Discover last-minute flight deals from Heathrow to Saint-Denis. Data last updated 26 August 2025 and is based on user searches.

Mon 1/922:15LHR - RUN

2 stops31h 45mMultiple Airlines

Sun 14/908:00RUN - LHR

1 stop33h 15mMultiple Airlines

Deal found 25/8£822

Fri 5/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Thu 18/922:10RUN - LHR

2 stops26h 35mMultiple Airlines

Deal found 26/8£695

Fri 5/919:45LHR - RUN

2 stops34h 40mAir Mauritius

Thu 18/912:05RUN - LHR

2 stops46h 55mAir Mauritius

Deal found 26/8£911

Sat 6/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Sat 20/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 26/8£782

Tue 16/919:45LHR - RUN

2 stops34h 40mAir Mauritius

Wed 1/1017:25RUN - LHR

2 stops41h 35mAir Mauritius

Deal found 24/8£890

Tue 16/917:35LHR - RUN

1 stop33h 55mAir France

Wed 1/1007:00RUN - LHR

2 stops17h 25mAir France

Deal found 25/8£923

Mon 22/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Mon 29/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 25/8£641

One-way flights from Heathrow to Saint-Denis
Search for one-way flight options from Heathrow to Saint-Denis. Find affordable one-way fares based on user searches. Data last updated 26 August 2025.

Sun 11/115:15LHR - RUN

1 stop25h 45mMultiple Airlines

Deal found 24/8£332

Fri 9/115:15LHR - RUN

1 stop14h 40mMultiple Airlines

Deal found 24/8£365

Wed 7/115:15LHR - RUN

1 stop14h 40mMultiple Airlines

Deal found 24/8£388

Tue 6/115:15LHR - RUN

1 stop14h 40mMultiple Airlines

Deal found 24/8£412

Sat 10/115:15LHR - RUN

1 stop14h 40mMultiple Airlines

Deal found 24/8£464

Mon 12/115:15LHR - RUN

1 stop14h 40mMultiple Airlines

Deal found 24/8£467

Thu 8/114:45LHR - RUN

1 stop17h 55mMultiple Airlines

Deal found 24/8£528

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

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sun 1/2

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Sun 8/2

21:30-14:25

1 stop20h 55m

£572

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Mon 22/9

15:05-09:00

1 stop14h 55m

Saint-Denis Gillot

Mon 29/9

22:10-14:15

1 stop19h 05m

£641

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Tue 7/10

20:50-09:00

2 stops33h 10m

Saint-Denis Gillot

Tue 14/10

22:10-14:15

1 stop19h 05m

£673

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Fri 5/9

15:05-05:35

1 stop35h 30m

Saint-Denis Gillot

Thu 18/9

22:10-14:15

1 stop19h 05m

£695

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sat 31/1

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Tue 10/2

23:00-14:10

2 stops19h 10m

£701

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sun 1/2

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Tue 10/2

23:00-14:10

2 stops19h 10m

£705

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Thu 29/1

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Tue 10/2

23:00-14:10

2 stops19h 10m

£706

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Mon 2/2

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Tue 10/2

23:00-14:10

2 stops19h 10m

£708

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Wed 8/10

15:05-09:00

1 stop14h 55m

Saint-Denis Gillot

Wed 15/10

22:10-14:15

1 stop19h 05m

£710

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sun 11/1

15:15-21:00

1 stop25h 45m

£332

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 16 results

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?

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.

How much does it cost for a return flight from London Heathrow Airport to Saint-Denis?

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

7.4

Good

1,469 reviews

Check prices

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

7.4

Good

1,469 reviews

Air France

7.4

Good

1,469 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

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 2 airlines have 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 £640, was found to be the cheapest airline from London Heathrow Airport to Saint-Denis. An alternate airline flying to your destination would be Air France. These flights start at 20% lower than the current average price 3 months from now.
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 2 airlines flying from Heathrow to Saint-Denis

Airline	Cheapest	Average	Flexibility	On-time
Air Austral	Cheapest£640	Average£1,436	FlexibilityNo cancel fee	On-time66%	Search Air Austral flights
Air France	Cheapest£825	Average£1,084	FlexibilityNo cancel fee	On-time77%	Search Air France flights

Fly with Cheapflights

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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Cheap flights from London Heathrow Airport to Saint-Denis from £332

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Saint-Denis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Saint-Denis

Cheapest flights from Heathrow to Saint-DenisExplore 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 26 August 2025.

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 26 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Saint-Denis that are best for you.

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.

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?

How much does it cost for a return flight from London Heathrow Airport to Saint-Denis?

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.

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?

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

Can I find deals for flights from Heathrow to Saint-Denis that include hotel bookings?

How can I find direct flights from Heathrow to Saint-Denis?

Can I find deals for business class flights from Heathrow to Saint-Denis?

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.

Top 2 airlines flying from Heathrow to Saint-Denis

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Saint-Denis?

Can Cheapflights find flights from Heathrow to Saint-Denis with no change fees?

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

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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 26 August 2025.