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

Airlines like KLM fly from London to Saint-Denis in about 18h 20m. The time it takes to get you to your destination can typically vary by up to . The distance between London and Saint-Denis is about 6013 mi.

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

Flying on Air Austral is currently your cheapest option to Saint-Denis, with prices starting at £637. Additional return tickets that might be worth considering are offered by Air Mauritius and Air France, with the lowest prices starting at £762 and £821, respectively. You may be able to fly from London to Saint-Denis for 28% less than the average price by searching for these airlines.

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

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

What are the most popular routes from London to Saint-Denis?

While some choose either London Heathrow - Saint-Denis Gillot or London Luton - Saint-Denis Gillot, London Stansted - Saint-Denis Gillot is the most popular route from London to Saint-Denis.

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

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Flights from London to Saint-Denis lean towards being more expensive in December. Prices are generally better when you fly from London to Saint-Denis in May, with the cheapest ticket starting at £556.

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

If you book a flight to Saint-Denis from London, you will be flying to Gillot, which is the city’s only airport. Saint-Denis Gillot (RUN) is located 3.9 mi from the center of Saint-Denis. There are 0 flights from London to Gillot per day from 3 different airlines.

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

Yes. In addition to deals on London to Saint-Denis flights, Cheapflights offers holiday packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Saint-Denis.

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

Yes. Cheapflights offers flight deals from London 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+ Flights from London to Saint-Denis

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

Airfare is below average for this route at the moment. London to Saint-Denis flights typically cost between £880 and £1,065 in January. The cheapest return flight price found within the last 3 days was £588 on Multiple Airlines (21 Jan-10 Feb).

Cheap flight deals from London to Saint-Denis

Round-trip from	£588
One-way from	£332
Popular in	December
Cheapest in	May
Average price	£907

21/1-10/2
2 total stops
45h 35m total
London to Saint-Denis

Search Deals

15/2
1 total stop
34h 00m total
London to Saint-Denis

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£70 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£36 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from London to Saint-Denis

Cheapest flights from London to Saint-Denis
Explore the most affordable flight options available from London to Saint-Denis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Thu 11/916:20LTN - RUN

1 stop16h 35mMultiple Airlines

Thu 18/919:55RUN - LTN

1 stop16h 20mMultiple Airlines

Deal found 10/9£619

Thu 11/916:30LGW - RUN

1 stop16h 25mMultiple Airlines

Thu 18/919:55RUN - LGW

1 stop26h 40mMultiple Airlines

Deal found 10/9£621

Thu 11/915:05LHR - RUN

1 stop16h 25mMultiple Airlines

Thu 18/920:25RUN - LHR

1 stop20h 50mMultiple Airlines

Deal found 10/9£636

Fri 12/906:05LTN - RUN

1 stop25h 25mMultiple Airlines

Thu 25/921:30RUN - LTN

1 stop23h 05mMultiple Airlines

Deal found 10/9£648

Fri 12/914:30LTN - RUN

1 stop14h 40mMultiple Airlines

Fri 19/919:55RUN - LTN

1 stop16h 20mMultiple Airlines

Deal found 11/9£653

Fri 12/908:40LHR - RUN

1 stop22h 50mMultiple Airlines

Thu 25/921:30RUN - LHR

1 stop27h 55mMultiple Airlines

Deal found 10/9£678

Fri 12/915:05LHR - RUN

1 stop16h 25mMultiple Airlines

Fri 19/921:30RUN - LHR

1 stop19h 45mMultiple Airlines

Deal found 11/9£681

Thu 11/907:15STN - RUN

2 stops23h 45mMultiple Airlines

Thu 18/921:00RUN - STN

2 stops25h 40mMultiple Airlines

Deal found 10/9£687

Fri 12/913:50LGW - RUN

1 stop15h 20mMultiple Airlines

Fri 19/919:55RUN - LGW

1 stop14h 30mMultiple Airlines

Deal found 11/9£696

Fri 12/908:00LGW - RUN

1 stop23h 30mMultiple Airlines

Thu 25/921:30RUN - LGW

1 stop27h 35mMultiple Airlines

Deal found 10/9£707

Mon 3/1119:15STN - RUN

2 stops34h 40mMultiple Airlines

Mon 17/1123:00RUN - STN

2 stops28h 55mMultiple Airlines

Deal found 11/9£754

Tue 14/1013:40LGW - RUN

1 stop16h 20mMultiple Airlines

Sun 19/1022:10RUN - LGW

1 stop19h 15mMultiple Airlines

Deal found 10/9£758

Best flights from London to Saint-Denis
Discover carefully curated flight deals from London to Saint-Denis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2025.

Wed 21/107:55LGW - RUN

1 stop22h 00mMultiple Airlines

Tue 10/223:00RUN - LGW

1 stop23h 35mMultiple Airlines

Deal found 10/9£588

Wed 21/111:30LHR - RUN

2 stops17h 55mAir Mauritius

Tue 10/207:00RUN - LHR

2 stops29h 00mAir Mauritius

Deal found 10/9£859

Mon 3/1110:00LCY - RUN

2 stops18h 20mKLM

Mon 17/1110:40RUN - LCY

2 stops24h 35mKLM

Deal found 11/9£1,156

Wed 21/107:00LTN - RUN

1 stop22h 10mMultiple Airlines

Wed 4/220:40RUN - LTN

1 stop27h 25mMultiple Airlines

Deal found 10/9£591

Wed 21/108:15LGW - RUN

1 stop20h 55mMultiple Airlines

Wed 4/220:40RUN - LGW

1 stop17h 35mMultiple Airlines

Deal found 10/9£591

Wed 21/115:15LHR - RUN

1 stop16h 05mMultiple Airlines

Tue 10/221:30RUN - LHR

1 stop20h 55mMultiple Airlines

Deal found 10/9£621

Wed 21/108:55LHR - RUN

1 stop20h 15mMultiple Airlines

Wed 4/220:40RUN - LHR

2 stops18h 05mMultiple Airlines

Deal found 10/9£697

Mon 3/1119:15STN - RUN

2 stops34h 40mMultiple Airlines

Mon 17/1123:00RUN - STN

2 stops28h 55mMultiple Airlines

Deal found 11/9£754

Tue 14/1013:40LGW - RUN

1 stop16h 20mMultiple Airlines

Sun 19/1022:10RUN - LGW

1 stop19h 15mMultiple Airlines

Deal found 10/9£758

Mon 1/1207:45LCY - RUN

2 stops20h 35mKLM

Sun 14/1210:40RUN - LCY

2 stops26h 50mKLM

Deal found 10/9£1,274

Mon 3/1108:30LGW - RUN

1 stop21h 25mMultiple Airlines

Mon 17/1123:00RUN - LGW

1 stop20h 45mMultiple Airlines

Deal found 11/9£763

Tue 14/1006:05LTN - RUN

1 stop23h 05mMultiple Airlines

Sun 19/1010:40RUN - LTN

1 stop25h 35mMultiple Airlines

Deal found 10/9£775

Last-minute flights from London to Saint-Denis
Discover last-minute flight deals from London to Saint-Denis. Data last updated 12 September 2025 and is based on user searches.

Thu 11/916:20LTN - RUN

1 stop16h 35mMultiple Airlines

Thu 18/919:55RUN - LTN

1 stop16h 20mMultiple Airlines

Deal found 10/9£619

Thu 11/916:30LGW - RUN

1 stop16h 25mMultiple Airlines

Thu 18/919:55RUN - LGW

1 stop26h 40mMultiple Airlines

Deal found 10/9£621

Thu 11/915:05LHR - RUN

1 stop16h 25mMultiple Airlines

Thu 18/920:25RUN - LHR

1 stop20h 50mMultiple Airlines

Deal found 10/9£636

Thu 11/907:15STN - RUN

2 stops23h 45mMultiple Airlines

Thu 18/921:00RUN - STN

2 stops25h 40mMultiple Airlines

Deal found 10/9£687

Fri 12/906:05LTN - RUN

1 stop25h 25mMultiple Airlines

Thu 25/921:30RUN - LTN

1 stop23h 05mMultiple Airlines

Deal found 10/9£648

Fri 12/914:30LTN - RUN

1 stop14h 40mMultiple Airlines

Fri 19/919:55RUN - LTN

1 stop16h 20mMultiple Airlines

Deal found 11/9£653

Fri 12/908:40LHR - RUN

1 stop22h 50mMultiple Airlines

Thu 25/921:30RUN - LHR

1 stop27h 55mMultiple Airlines

Deal found 10/9£678

Fri 12/915:05LHR - RUN

1 stop16h 25mMultiple Airlines

Fri 19/921:30RUN - LHR

1 stop19h 45mMultiple Airlines

Deal found 11/9£681

Fri 12/913:50LGW - RUN

1 stop15h 20mMultiple Airlines

Fri 19/919:55RUN - LGW

1 stop14h 30mMultiple Airlines

Deal found 11/9£696

Fri 12/908:00LGW - RUN

1 stop23h 30mMultiple Airlines

Thu 25/921:30RUN - LGW

1 stop27h 35mMultiple Airlines

Deal found 10/9£707

Tue 14/1013:40LGW - RUN

1 stop16h 20mMultiple Airlines

Sun 19/1022:10RUN - LGW

1 stop19h 15mMultiple Airlines

Deal found 10/9£758

Tue 14/1006:05LTN - RUN

1 stop23h 05mMultiple Airlines

Sun 19/1010:40RUN - LTN

1 stop25h 35mMultiple Airlines

Deal found 10/9£775

One-way flights from London to Saint-Denis
Search for one-way flight options from London to Saint-Denis. Find affordable one-way fares based on user searches. Data last updated 12 September 2025.

Sun 15/219:55LGW - RUN

1 stop34h 00mMultiple Airlines

Deal found 11/9£332

Thu 11/1208:30LGW - RUN

1 stop21h 25mMultiple Airlines

Deal found 11/9£453

Sun 15/215:15LHR - RUN

1 stop14h 40mMultiple Airlines

Deal found 11/9£466

Sun 15/221:45STN - RUN

2 stops32h 10mMultiple Airlines

Deal found 11/9£498

Sun 15/213:40LTN - RUN

1 stop15h 30mMultiple Airlines

Deal found 11/9£505

Thu 11/1215:15LHR - RUN

1 stop14h 40mMultiple Airlines

Deal found 11/9£509

Thu 11/1211:15LTN - RUN

1 stop17h 55mMultiple Airlines

Deal found 11/9£581

Thu 11/1213:30LCY - RUN

2 stops22h 40mMultiple Airlines

Deal found 11/9£681

Thu 11/1220:15STN - RUN

2 stops22h 35mMultiple Airlines

Deal found 11/9£742

Sun 15/217:15LCY - RUN

3 stops19h 30mMultiple Airlines

Deal found 11/9£754

Fly from

Fly to

Route

Depart

Return

Price

LondonSaint-Denis

LGW - RUN

LGWRUN

London Gatwick

Wed 21/1

07:55-09:55

1 stop22h 00m

Saint-Denis Gillot

Tue 10/2

23:00-18:35

1 stop23h 35m

£588

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Wed 21/1

07:00-09:10

1 stop22h 10m

Saint-Denis Gillot

Wed 4/2

20:40-20:05

1 stop27h 25m

£591

LondonSaint-Denis

LGW - RUN

LGWRUN

London Gatwick

Wed 21/1

08:15-09:10

1 stop20h 55m

Saint-Denis Gillot

Wed 4/2

20:40-10:15

1 stop17h 35m

£591

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Wed 21/1

15:15-11:20

1 stop16h 05m

Saint-Denis Gillot

Tue 10/2

21:30-14:25

1 stop20h 55m

£621

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Wed 21/1

08:55-09:10

1 stop20h 15m

Saint-Denis Gillot

Wed 4/2

20:40-10:45

2 stops18h 05m

£697

LondonSaint-Denis

STN - RUN

STNRUN

London Stansted

Mon 3/11

19:15-09:55

2 stops34h 40m

Saint-Denis Gillot

Mon 17/11

23:00-23:55

2 stops28h 55m

£754

LondonSaint-Denis

LGW - RUN

LGWRUN

London Gatwick

Tue 14/10

13:40-09:00

1 stop16h 20m

Saint-Denis Gillot

Sun 19/10

22:10-14:25

1 stop19h 15m

£758

LondonSaint-Denis

LGW - RUN

LGWRUN

London Gatwick

Mon 3/11

08:30-09:55

1 stop21h 25m

Saint-Denis Gillot

Mon 17/11

23:00-15:45

1 stop20h 45m

£763

LondonSaint-Denis

LTN - RUN

LTNRUN

London Luton

Tue 14/10

06:05-08:10

1 stop23h 05m

Saint-Denis Gillot

Sun 19/10

10:40-09:15

1 stop25h 35m

£775

LondonSaint-Denis

LHR - RUN

LHRRUN

London Heathrow

Tue 14/10

15:05-09:00

1 stop14h 55m

Saint-Denis Gillot

Sun 19/10

22:10-14:15

1 stop19h 05m

£793

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 40 results

Best time to book a flight from London to Saint-Denis

Have a flexible travel schedule? Discover the best time to fly to Saint-Denis from London 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 to Saint-Denis

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

It’s optimal to fly from London to Saint-Denis at midday. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the morning.

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

What’s the top stopover airport for flights from London to Saint-Denis?

Port Louis (MRU) – chosen by Cheapflights users on 56% of one-stop itineraries from London to Saint-Denis on Cheapflights.

What’s the cheapest stopover airport for flights from London to Saint-Denis?

Port Louis (MRU) is the most affordable one-stop option, with an average return flight price of £944.

What’s the fastest stopover option from London to Saint-Denis?

Flights via Port Louis (MRU) have the shortest average one-way travel time for one-stop routes: 14h 29m.

Which airport typically offers the quickest stopover for flights from London to Saint-Denis?

Flights via Port Louis (MRU) offer the fastest connection on this route, with an average stopover time of 2h 40m.

Reviews of airlines servicing Saint-Denis

Check out reviews from past customers who have flown with Air France from London to Saint-Denis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air France

7.4

Good

1,469 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

SGN - CDG

Staff attentive, would have liked a covering on the seats for sleeping (as Vietnam airways did - and others) ‘duvet’ cover very light- needed but heavier. Food not great, scallop did not smell right, chicken over cooked.

Air France

7.4

Good

1,469 reviews

Air France

7.4

Good

1,469 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Mar 2025

SGN - CDG

Related info for your journey

What airport do you fly into for flights to Saint-Denis from London?
If you book a flight to Saint-Denis from London, you will be flying to Gillot, which is the city’s only airport. Saint-Denis Gillot (RUN) is located 3.9 mi from the center of Saint-Denis. There are 0 flights from London to Gillot per day from 3 different airlines.
How long is the flight from London to Saint-Denis?
Airlines like KLM fly from London to Saint-Denis in about 18h 20m. The time it takes to get you to your destination can typically vary by up to . The distance between London and Saint-Denis is about 6013 mi.
What are the cheapest airlines flying from London to Saint-Denis round-trip?
Flying on Air Austral is currently your cheapest option to Saint-Denis, with prices starting at £637. Additional return tickets that might be worth considering are offered by Air Mauritius and Air France, with the lowest prices starting at £762 and £821, respectively. You may be able to fly from London to Saint-Denis for 28% less than the average price by searching for these airlines.
What are the most popular routes from London to Saint-Denis?
While some choose either London Heathrow - Saint-Denis Gillot or London Luton - Saint-Denis Gillot, London Stansted - Saint-Denis Gillot is the most popular route from London to Saint-Denis.
Can I find deals for flights from London to Saint-Denis that include hotel bookings?
Yes. In addition to deals on London to Saint-Denis flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Saint-Denis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Saint-Denis.
Can I find deals for business class flights from London to Saint-Denis?
Yes. Cheapflights offers flight deals from London 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 London to Saint-Denis

Heathrow to Saint-Denis flights

Gatwick to Saint-Denis flights

Top 3 airlines flying from London to Saint-Denis

Airline	Cheapest	Average	Flexibility	On-time
Air Austral	Cheapest£637	Average£1,441	FlexibilityNo cancel fee	On-time66%	Search Air Austral flights
Air Mauritius	Cheapest£762	Average£972	FlexibilityNo cancel fee	On-time82%	Search Air Mauritius flights
Air France	Cheapest£821	Average£1,126	FlexibilityNo cancel fee	On-time77%	Search Air France flights

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

Cheapflights makes it easy to find London to Saint-Denis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Saint-Denis.

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

Certainly. Search results for flights to Saint-Denis from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Saint-Denis from London today and book when prices fit your budget.

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Cheap flights from London 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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Saint-Denis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Saint-Denis

Cheapest flights from London to Saint-DenisExplore the most affordable flight options available from London to Saint-Denis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Explore the most affordable flight options available from London to Saint-Denis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from London to Saint-Denis

Have a flexible travel schedule? Discover the best time to fly to Saint-Denis from London with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from London 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 12 September 2025.

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

What’s the top stopover airport for flights from London to Saint-Denis?

Share of one-stop return flights from London to Saint-Denis chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from London to Saint-Denis?

Average return fare for one-stop flights from London to Saint-Denis, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London to Saint-Denis?

Shortest average travel time for one-stop one-way flights from London to Saint-Denis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London to Saint-Denis?

Average stopover duration for one-stop one-way flights from London to Saint-Denis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Saint-Denis

Check out reviews from past customers who have flown with Air France from London to Saint-Denis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London 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?

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

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

What are the most popular routes from London to Saint-Denis?

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from London 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 London to Saint-Denis?

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

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

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

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Cheapest flights from London to Saint-Denis
Explore the most affordable flight options available from London to Saint-Denis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.