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Cheap flights from Saint-Denis to London from £489

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
RUN — LON
23 Jul — 30 Jul1
1 adult

Cheap flight deals from Saint-Denis to London

Discover tips and strategies to find the most affordable flight options for your journey from Saint-Denis (RUN) to London (LON). 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 18 July 2025.

Round-trip from

£896

One-way from

£489

Popular in

November

Cheapest in

September

Average price

£709
31/8-7/9
  • 31/8-7/9
  • 2 total stops
  • 38h 10m total
  • Saint-Denis to London
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20/8
  • 20/8
  • 1 total stop
  • 26h 15m total
  • Saint-Denis to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£201 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (£58 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Saint-Denis to London

Cheapest flights from Saint-Denis to London
Explore the most affordable flight options available from Saint-Denis to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Sun 31/822:10RUN - LGW
1 stop19h 15mMultiple Airlines
Sun 7/907:40LGW - RUN
1 stop18h 55mMultiple Airlines
Deal found 17/7£896
Sun 31/822:10RUN - LHR
1 stop19h 05mMultiple Airlines
Sun 7/915:05LHR - RUN
1 stop14h 55mMultiple Airlines
Deal found 17/7£967
Thu 17/712:05RUN - LGW
1 stop21h 45mAir Mauritius
Mon 21/716:00LGW - RUN
1 stop14h 25mAir Mauritius
Deal found 16/7£1,148
Thu 24/722:10RUN - STN
2 stops29h 35mMultiple Airlines
Mon 28/720:50STN - RUN
2 stops33h 10mMultiple Airlines
Deal found 16/7£1,229
Tue 7/1017:25RUN - LHR
2 stops23h 20mAir Mauritius
Wed 22/1009:00LHR - RUN
2 stops21h 25mAir Mauritius
Deal found 18/7£1,291
Tue 7/1008:45RUN - LHR
1 stop15h 40mAir France
Wed 22/1006:15LHR - RUN
1 stop21h 15mAir France
Deal found 18/7£1,407

Cheapflights Fare Finder

Customise your flight search to find flights from Saint-Denis to London 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 18 July 2025.
Use the filters below to find and compare flights from Saint-Denis to London that are best for you.

Fly from

Saint-Denis

Fly to

London

Route

Depart

Return

Price

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Sun 31/8

22:10-14:25

1 stop19h 15m

London Gatwick

Sun 7/9

07:40-05:35

1 stop18h 55m

£896

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sun 31/8

22:10-14:15

1 stop19h 05m

London Heathrow

Sun 7/9

15:05-09:00

1 stop14h 55m

£967

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Sun 31/8

15:20-12:55

2 stops24h 35m

London Stansted

Sun 7/9

21:10-22:50

2 stops22h 40m

£1,291

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Tue 7/10

17:25-13:45

2 stops23h 20m

London Heathrow

Wed 22/10

09:00-09:25

2 stops21h 25m

£1,291

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Tue 7/10

08:45-21:25

1 stop15h 40m

London Heathrow

Wed 22/10

06:15-06:30

1 stop21h 15m

£1,407

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Tue 7/10

17:25-06:50

1 stop16h 25m

London Gatwick

Wed 22/10

16:00-09:25

1 stop14h 25m

£1,567

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Wed 20/8

08:00-07:15

1 stop26h 15m

£489

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Wed 20/8

12:20-19:05

2 stops33h 45m

£522

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 20/8

12:20-14:15

1 stop28h 55m

£525

Saint-DenisLondon

RUN - LCY

RUNLCY

Saint-Denis Gillot

Wed 20/8

08:00-07:55

2 stops26h 55m

£594

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 13 results
1
2

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

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

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 18 July 2025.
See what other customers who have flown with Air France from Saint-Denis to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.5
Good
1,465 reviews
Check prices

Overall

7.5

Comfort

7.4

Boarding

7.4

Food

7.0

Crew

8.2

Entertainment

7.0

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
7.5
Good
1,465 reviews
Air France
7.5
Good
1,465 reviews
Check prices

Overall

7.5

Comfort

7.4

Boarding

7.4

Food

7.0

Crew

8.2

Entertainment

7.0

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.

Related info for your journey

Find useful and relevant information for your journey from Saint-Denis to London. 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 from for flights from Saint-Denis to London?

    Saint-Denis Gillot (RUN), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Saint-Denis to London. 0 airlines have flights from Gillot to London on a regular basis. Booking flights from Saint-Denis Gillot to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

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

    Our cheapest airline available from Saint-Denis to London is Air Mauritius. Our recent data shows that you can find tickets from as low as £1,291 on this airline. An additional option worth looking into is Air France, starting at £1,407.

  • What are the cheapest airlines to fly from Saint-Denis to London one-way?

    The cheapet airlines for a one-way flight from Saint-Denis to London are Air Austral (£639), Air Mauritius (£877), and Air France (£2,890).

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Saint-Denis to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint-Denis to London?

    Currently, January is the cheapest month in which you can book a flight from Saint-Denis to London (average of £112). Flying from Saint-Denis to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Saint-Denis to London

See prices for flight routes from nearby airports that may be better suited for you.
Saint-Denis to London City flights
Saint-Denis to Heathrow flights

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