Find flights
When to book
Airlines
FAQs

Cheap flights from Saint-Denis to London from £325

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
RUN — LON
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£663

One-way from

£325

Popular in

November

Cheapest in

September

Average price

£650
7/4-11/4
  • 7/4-11/4
  • 2 total stops
  • 44h 35m total
  • Saint-Denis to London
Search Deals
8/4
  • 8/4
  • 2 total stops
  • 21h 25m total
  • Saint-Denis to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£185 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 25 March 2025.

Fri 28/323:00RUN - LGW
1 stop20h 20mMultiple Airlines
Wed 2/407:40LGW - RUN
1 stop22h 20mMultiple Airlines
Deal found 24/3£615
Mon 7/421:30RUN - LHR
1 stop19h 45mMultiple Airlines
Fri 11/406:45LHR - RUN
2 stops34h 25mMultiple Airlines
Deal found 25/3£674
Mon 7/421:30RUN - STN
2 stops27h 40mMultiple Airlines
Fri 11/406:40STN - RUN
2 stops19h 55mMultiple Airlines
Deal found 25/3£677
Sat 3/517:25RUN - LGW
1 stop16h 25mAir Mauritius
Sun 18/516:00LGW - RUN
1 stop15h 50mAir Mauritius
Deal found 24/3£886
Mon 7/713:35RUN - LCY
2 stops21h 35mMultiple Airlines
Tue 15/708:45LCY - RUN
2 stops21h 40mMultiple Airlines
Deal found 25/3£1,091
Sat 3/508:45RUN - LHR
1 stop15h 40mAir France
Fri 16/509:00LHR - RUN
1 stop17h 30mAir France
Deal found 24/3£1,247
Sun 4/517:25RUN - LHR
2 stops20h 05mAir Mauritius
Sat 25/1014:45LHR - RUN
2 stops17h 05mAir Mauritius
Deal found 25/3£1,492

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 25 March 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

Mon 7/4

21:30-12:55

1 stop18h 25m

London Gatwick

Fri 11/4

15:00-20:10

1 stop26h 10m

£663

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Mon 7/4

21:30-14:15

1 stop19h 45m

London Heathrow

Fri 11/4

06:45-20:10

2 stops34h 25m

£674

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Mon 7/4

21:30-22:10

2 stops27h 40m

London Stansted

Fri 11/4

06:40-05:35

2 stops19h 55m

£677

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Sat 3/5

17:25-06:50

1 stop16h 25m

London Gatwick

Sun 18/5

16:00-10:50

1 stop15h 50m

£886

Saint-DenisLondon

RUN - LCY

RUNLCY

Saint-Denis Gillot

Mon 7/7

13:35-08:10

2 stops21h 35m

London City

Tue 15/7

08:45-09:25

2 stops21h 40m

£1,091

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sat 3/5

08:45-21:25

1 stop15h 40m

London Heathrow

Sat 17/5

11:30-10:00

1 stop19h 30m

£1,247

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sun 4/5

17:25-10:30

2 stops20h 05m

London Heathrow

Sat 25/10

14:45-10:50

2 stops17h 05m

£1,492

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Tue 8/4

22:10-16:35

2 stops21h 25m

£325

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Tue 8/4

22:10-20:15

2 stops25h 05m

£329

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Tue 8/4

22:10-14:15

1 stop19h 05m

£333

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 15 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

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 25 March 2025.
Air France
7.4
Good
1,423 reviews
Check prices

Food

7.0

Boarding

7.4

Crew

8.2

Overall

7.4

Entertainment

7.0

Comfort

7.4

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
1,423 reviews
Air France
7.4
Good
1,423 reviews
Check prices

Food

7.0

Boarding

7.4

Crew

8.2

Overall

7.4

Entertainment

7.0

Comfort

7.4

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 £886 on this airline. An additional option worth looking into is Air France, starting at £1,247.

  • 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 Mauritius (£584), Air Austral (£732), and Air France (£772).

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

    While some choose either Saint-Denis Gillot - London Heathrow or Saint-Denis Gillot - London Stansted, Saint-Denis Gillot - London Gatwick 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

Travelling to a place near Saint-Denis?

Book flights to Saint-Denis if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall
Dartford
Folkestone

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 Saint-Denis to London

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

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 Saint-Denis to London?

Deals for Saint-Denis to London 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 Saint-Denis to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Saint-Denis to London for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Saint-Denis to London, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Saint-Denis to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.