How long is the flight from London Heathrow Airport to Saint-Denis?

Departing from London Heathrow Airport to Saint-Denis will take you 19h 20m. There are 6029 mi between London Heathrow Airport and Saint-Denis.

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

When flying from London Heathrow Airport to Saint-Denis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 0 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.

£253+ Cheap Flights from London Heathrow Airport to Saint-Denis

Cheap flight deals from Heathrow to Saint-Denis

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 2 November 2026.

Sun 15/1111:30 -

1 stop17h 40m

Mon 30/1120:40 -

1 stop23h 55m

Deal found 29/10£635

Sun 8/1106:20 -

1 stop22h 50m

Sun 22/1120:40 -

1 stop17h 50m

Deal found 31/10£677

Sat 21/1119:20 -

1 stop34h 35m

Wed 25/1123:00 -

1 stop18h 45m

Deal found 29/10£720

Fri 13/1115:15 -

1 stop14h 40m

Sun 29/1123:00 -

2 stops23h 00m

Deal found 30/10£727

Thu 12/1114:45 -

1 stop17h 55m

Fri 20/1120:40 -

1 stop15h 15m

Deal found 29/10£732

Sun 8/1106:20 -

1 stop27h 00m

Sun 22/1121:05 -

1 stop28h 20m

Deal found 1/11£756

Find flight deals from Heathrow to Saint-Denis

Round-trip from	£615
One-way from	£253
Popular in	February
Cheapest in	September
Average price	£894

3/3-16/3
2 total stops
36h 30m total
London to Saint-Denis

Search Deals

8/12-31/12
1 total stop
14h 40m total
London to Saint-Denis

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£185 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£50 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

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

Sat 5/12

19:20-09:55

1 stop34h 35m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£302

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 7/12

09:55-09:55

2 stops20h 00m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£354

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 10/12

09:55-09:55

2 stops20h 00m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£382

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Mon 21/12

09:55-12:40

2 stops22h 45m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£691

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Wed 16/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£738

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 13/11

11:30-09:55

1 stop18h 25m

Saint-Denis Gillot

Sun 29/11

08:30-16:35

1 stop36h 05m

£745

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Sun 15/11

11:30-10:50

2 stops19h 20m

Saint-Denis Gillot

Mon 30/11

12:05-21:25

2 stops37h 20m

£767

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Thu 26/11

19:20-10:50

2 stops35h 30m

Saint-Denis Gillot

Thu 10/12

12:05-21:25

2 stops37h 20m

£818

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 18/12

15:15-09:55

1 stop14h 40m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£856

Fastest return journey

LondonSaint-Denis

LHR London Heathrow - RUN Saint-Denis Gillot

LHRRUN

London Heathrow

Fri 11/12

14:45-08:10

1 stop13h 25m

Saint-Denis Gillot

Wed 31/12

00:00-21:00

Nonstop0h 00m

£897

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 19 resultsSorted by cheapest first

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.

LHR-RUN

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.

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 0 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.
How long is the flight from London Heathrow Airport to Saint-Denis?
Departing from London Heathrow Airport to Saint-Denis will take you 19h 20m. There are 6029 mi between London Heathrow Airport and 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

Complete your trip

Flights by cabin class

Other flight options

Other flights from Heathrow

Popular flights

Saint-Denis flight routes

Alternative routes for Heathrow to Saint-Denis

Gatwick to Saint-Denis 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Saint-Denis from £253

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. 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

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 2 November 2026.

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 2 November 2026.

Best flights from Heathrow to Saint-DenisDiscover 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 2 November 2026.

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 2 November 2026.

Last-minute flights from Heathrow to Saint-DenisDiscover last-minute flight deals from Heathrow to Saint-Denis. Data last updated 2 November 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Saint-Denis. Data last updated 2 November 2026 and is based on user searches.

One-way flights from Heathrow to Saint-DenisSearch for one-way flight options from Heathrow to Saint-Denis. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.

Search for one-way flight options from Heathrow to Saint-Denis. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.

Find flight deals from Heathrow to Saint-Denis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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.

Related info for your journey

What airport do you fly into for flights to Saint-Denis from London Heathrow?

How long is the flight from London Heathrow Airport to Saint-Denis?

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.

Complete your trip

Complete your trip to Saint-Denis by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from Heathrow to Saint-Denis by cabin class

Find flights from Heathrow to Saint-Denis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Saint-Denis flights

Browse other Heathrow and Saint-Denis flight options. Last updated on 2 November 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 2 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Saint-Denis

Explore flights to Saint-Denis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 November 2026.

Fly with Cheapflights

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

Book with Flexibility

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 2 November 2026.

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 2 November 2026.

Last-minute flights from Heathrow to Saint-Denis
Discover last-minute flight deals from Heathrow to Saint-Denis. Data last updated 2 November 2026 and is based on user searches.

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 2 November 2026.