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Cheap flights from Saint-Denis to London from £482

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
RUN — LON
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Saint-Denis to London

Enter your travel dates to find the best prices.

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 12 December 2025.

Wed 24/1210:40RUN - LHR
1 stop25h 15mAir France
Thu 1/114:45LHR - RUN
1 stop13h 35mAir France
Deal found 11/12£849
Wed 24/1210:40RUN - LGW
1 stop34h 00mMultiple Airlines
Sat 27/1207:10LGW - RUN
1 stop21h 10mMultiple Airlines
Deal found 9/12£853
Thu 25/1210:40RUN - LGW
2 stops37h 05mMultiple Airlines
Thu 1/107:00LGW - RUN
1 stop18h 30mMultiple Airlines
Deal found 11/12£862
Wed 24/1210:40RUN - LHR
1 stop25h 15mAir France
Sat 27/1206:20LHR - RUN
1 stop22h 00mAir France
Deal found 9/12£901
Wed 24/1215:30RUN - LHR
3 stops23h 15mMultiple Airlines
Thu 1/113:45LHR - RUN
2 stops20h 15mMultiple Airlines
Deal found 11/12£1,102
Wed 24/1215:30RUN - LHR
2 stops28h 00mMultiple Airlines
Sat 27/1215:15LHR - RUN
1 stop14h 40mMultiple Airlines
Deal found 9/12£1,140
Wed 24/1213:15RUN - STN
2 stops26h 50mMultiple Airlines
Sat 27/1221:45STN - RUN
2 stops32h 10mMultiple Airlines
Deal found 9/12£1,167
Wed 24/1212:05RUN - LHR
2 stops23h 55mAir Mauritius
Sat 27/1209:00LHR - RUN
2 stops20h 25mAir Mauritius
Deal found 9/12£1,422
Thu 25/1206:55RUN - LHR
2 stops17h 55mMultiple Airlines
Thu 1/113:45LHR - RUN
2 stops20h 00mMultiple Airlines
Deal found 11/12£1,680
Thu 25/1220:35RUN - LCY
2 stops43h 05mMultiple Airlines
Thu 1/118:55LCY - RUN
2 stops33h 25mMultiple Airlines
Deal found 11/12£1,992

Find 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 12 December 2025.

Round-trip from

£482

Popular in

December

Cheapest in

November

Average price

£1,194
25/1-1/2
  • 25/1-1/2
  • 2 total stops
  • 48h 35m total
  • Saint-Denis to London
Search Deals
High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 5% potential price decrease (£31 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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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 12 December 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 25/1

08:30-07:40

1 stop27h 10m

London Gatwick

Sun 1/2

08:30-09:55

1 stop21h 25m

£482

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Sun 25/1

23:00-00:15

2 stops29h 15m

London Stansted

Sun 1/2

16:00-09:55

2 stops37h 55m

£521

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sun 25/1

23:00-14:25

1 stop19h 25m

London Heathrow

Sun 1/2

15:15-09:55

1 stop14h 40m

£562

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 24/12

10:40-07:55

1 stop25h 15m

London Heathrow

Thu 1/1

14:45-08:20

1 stop13h 35m

£849

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Wed 24/12

10:40-16:40

1 stop34h 00m

London Gatwick

Sat 27/12

07:10-08:20

1 stop21h 10m

£853

Saint-DenisLondon

RUN - LGW

RUNLGW

Saint-Denis Gillot

Thu 25/12

10:40-19:45

2 stops37h 05m

London Gatwick

Thu 1/1

07:00-05:30

1 stop18h 30m

£862

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 24/12

10:40-07:55

1 stop25h 15m

London Heathrow

Sat 27/12

06:20-08:20

1 stop22h 00m

£901

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 24/12

15:30-10:45

3 stops23h 15m

London Heathrow

Thu 1/1

13:45-14:00

2 stops20h 15m

£1,102

Saint-DenisLondon

RUN - STN

RUNSTN

Saint-Denis Gillot

Wed 24/12

13:15-12:05

2 stops26h 50m

London Stansted

Sat 27/12

21:45-09:55

2 stops32h 10m

£1,167

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 7/1

12:05-07:10

2 stops23h 05m

London Heathrow

Tue 20/1

09:10-11:45

2 stops22h 35m

£1,202

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 15 results
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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
No data available for this route at this time. Please check back soon.

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.

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

    Airlines like Air France fly from Saint-Denis to London in about 25h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from Saint-Denis to London is about 6029 mi.

  • 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 Stansted, Saint-Denis Gillot - London Heathrow 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.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Luton
Gatwick
Wembley
Ilford
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Watford
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Deal
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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 Heathrow flights
Saint-Denis to London City flights

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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.

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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.

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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.

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