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

Air Austral, at £632, 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 22% 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 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.

£543+ Cheap Flights from London Heathrow Airport to Saint-Denis

Cheap flight deals from Heathrow to Saint-Denis

Round-trip from	£559
Popular in	October
Cheapest in	June
Average price	£955

2/3-22/3
2 total stops
37h 00m total
London to Saint-Denis

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£138 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£47 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 17 September 2025.

Tue 16/915:05LHR - RUN

1 stop16h 25mMultiple Airlines

Tue 23/921:30RUN - LHR

1 stop19h 45mMultiple Airlines

Deal found 15/9£543

Thu 18/907:20LHR - RUN

1 stop21h 50mMultiple Airlines

Wed 1/1019:55RUN - LHR

1 stop19h 10mMultiple Airlines

Deal found 14/9£573

Sat 20/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Fri 26/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 14/9£582

Fri 19/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Fri 26/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 14/9£609

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 17 September 2025.

Mon 2/315:15LHR - RUN

1 stop16h 05mMultiple Airlines

Sun 22/321:30RUN - LHR

1 stop20h 55mMultiple Airlines

Deal found 15/9£559

Thu 13/1106:20LHR - RUN

1 stop21h 00mAir France

Thu 27/1110:40RUN - LHR

1 stop25h 15mAir France

Deal found 16/9£800

Fri 3/1015:05LHR - RUN

1 stop14h 55mMultiple Airlines

Sun 12/1022:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 16/9£694

Sun 30/1115:15LHR - RUN

1 stop16h 05mMultiple Airlines

Wed 10/1223:00RUN - LHR

1 stop19h 25mMultiple Airlines

Deal found 14/9£704

Thu 30/1015:15LHR - RUN

1 stop16h 05mMultiple Airlines

Thu 6/1109:15RUN - LHR

1 stop33h 10mMultiple Airlines

Deal found 15/9£705

Fri 31/1015:15LHR - RUN

1 stop16h 05mMultiple Airlines

Fri 7/1121:30RUN - LHR

1 stop20h 55mMultiple Airlines

Deal found 16/9£790

Last-minute flights from Heathrow to Saint-Denis
Discover last-minute flight deals from Heathrow to Saint-Denis. Data last updated 17 September 2025 and is based on user searches.

Tue 16/915:05LHR - RUN

1 stop16h 25mMultiple Airlines

Tue 23/921:30RUN - LHR

1 stop19h 45mMultiple Airlines

Deal found 15/9£543

Thu 18/907:20LHR - RUN

1 stop21h 50mMultiple Airlines

Wed 1/1019:55RUN - LHR

1 stop19h 10mMultiple Airlines

Deal found 14/9£573

Fri 19/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Fri 26/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 14/9£609

Sat 20/915:05LHR - RUN

1 stop14h 55mMultiple Airlines

Fri 26/922:10RUN - LHR

1 stop19h 05mMultiple Airlines

Deal found 14/9£582

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

Mon 2/3

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Sun 22/3

21:30-14:25

1 stop20h 55m

£559

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Fri 3/10

15:05-09:00

1 stop14h 55m

Saint-Denis Gillot

Sun 12/10

22:10-14:15

1 stop19h 05m

£694

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sun 30/11

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Wed 10/12

23:00-14:25

1 stop19h 25m

£704

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Thu 30/10

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Thu 6/11

09:15-14:25

1 stop33h 10m

£705

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Fri 31/10

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Fri 7/11

21:30-14:25

1 stop20h 55m

£790

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Thu 13/11

06:20-07:20

1 stop21h 00m

Saint-Denis Gillot

Thu 27/11

10:40-07:55

1 stop25h 15m

£800

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Sat 20/12

15:15-09:55

1 stop14h 40m

£899

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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.

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

1,468 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

1,468 reviews

Air France

7.4

Good

1,468 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 £632, 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 22% 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£632	Average£1,419	FlexibilityNo cancel fee	On-time66%	Search Air Austral flights
Air France	Cheapest£815	Average£1,119	FlexibilityNo cancel fee	On-time77%	Search Air France flights

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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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Cheap flights from London Heathrow Airport to Saint-Denis from £543

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. 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

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 17 September 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 17 September 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?

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?

100% Free

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Travel Smart

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 17 September 2025.