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Cheap flights from Saint-Denis to London from £597

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Saint-Denis to London departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

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Multiple Airlines Logo
23:00 - 16:35RUN-LHR
21h 35m1 stop
Multiple Airlines Logo
07:45 - 09:55LHR-RUN
22h 10m1 stop
£597Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Multiple Airlines Logo
23:00 - 14:25RUN-LHR
19h 25m1 stop
Multiple Airlines Logo
09:55 - 09:55LHR-RUN
20h 00m2 stops
£666Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Multiple Airlines Logo
21:45 - 14:25RUN-LHR
20h 40m1 stop
Multiple Airlines Logo
06:30 - 08:20LHR-RUN
21h 50m1 stop
£759Multiple Airlines
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Multiple Airlines Logo
23:00 - 20:05RUN-LHR
25h 05m2 stops
Multiple Airlines Logo
15:15 - 09:55LHR-RUN
14h 40m1 stop
£813Multiple Airlines
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Multiple Airlines Logo
15:30 - 12:50RUN-LHR
25h 20m3 stops
Multiple Airlines Logo
09:00 - 10:50LHR-RUN
21h 50m2 stops
£943Multiple Airlines
Find Deal
Wed, 24 Dec - Thu, 1 Jan
Air France Logo
10:40 - 07:55RUN-LHR
25h 15m1 stop
Air France Logo
14:45 - 08:20LHR-RUN
13h 35m1 stop
£1,303Air France
Find Deal
Wed, 24 Dec - Thu, 1 Jan
Air France Logo
10:40 - 21:25RUN-LHR
14h 45m1 stop
Air France Logo
11:30 - 09:25LHR-RUN
17h 55m2 stops
£1,439Air France
Find Deal
Thu, 19 Mar - Mon, 23 Mar
Air France Logo
10:40 - 21:25RUN-LHR
14h 45m1 stop
Air France Logo
09:00 - 22:50LHR-RUN
33h 50m2 stops
£1,445Air France
Find Deal
Thu, 19 Mar - Mon, 23 Mar
Air Austral Logo
20:40 - 13:45RUN-LHR
21h 05m1 stop
Air Austral Logo
14:45 - 09:10LHR-RUN
14h 25m1 stop
£1,525Air Austral
Find Deal
Thu, 19 Mar - Mon, 23 Mar
Air Austral Logo
20:40 - 13:45RUN-LHR
21h 05m1 stop
Air Austral Logo
14:45 - 09:10LHR-RUN
14h 25m1 stop
£1,530Air Austral
Find Deal
Thu, 19 Mar - Mon, 23 Mar

Air France flights from Saint-Denis to London Heathrow Airport

Our best Air France deals on Saint-Denis to London Heathrow Airport flight tickets
Air France
24 Dec
RUN10:40Saint-Denis Gillot
25h 15m
1 stop
LHR07:55London Heathrow
1 Jan
LHR14:45London Heathrow
13h 35m
1 stop
RUN08:20Saint-Denis Gillot
£1,303
Find similar
Air France
19 Mar
RUN10:40Saint-Denis Gillot
14h 45m
1 stop
LHR21:25London Heathrow
23 Mar
LHR11:30London Heathrow
17h 55m
2 stops
RUN09:25Saint-Denis Gillot
£1,439
Find similar
Air France
19 Mar
RUN10:40Saint-Denis Gillot
14h 45m
1 stop
LHR21:25London Heathrow
23 Mar
LHR09:00London Heathrow
33h 50m
2 stops
RUN22:50Saint-Denis Gillot
£1,445
Find similar

Air Austral flights from Saint-Denis to London Heathrow Airport

Our best Air Austral deals on Saint-Denis to London Heathrow Airport flight tickets
Air Austral
19 Mar
RUN20:40Saint-Denis Gillot
21h 05m
1 stop
LHR13:45London Heathrow
23 Mar
LHR14:45London Heathrow
14h 25m
1 stop
RUN09:10Saint-Denis Gillot
£1,525
Find similar
Air Austral
19 Mar
RUN20:40Saint-Denis Gillot
21h 05m
1 stop
LHR13:45London Heathrow
23 Mar
LHR14:45London Heathrow
14h 25m
1 stop
RUN09:10Saint-Denis Gillot
£1,530
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Saint-Denis to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 10 November 2025.
Use the filters below to find and compare flights from Saint-Denis to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Mon 8/12

23:00-16:35

1 stop21h 35m

London Heathrow

Mon 15/12

07:45-09:55

1 stop22h 10m

£597

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Mon 8/12

23:00-14:25

1 stop19h 25m

London Heathrow

Mon 15/12

09:55-09:55

2 stops20h 00m

£666

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Fri 21/11

21:45-14:25

1 stop20h 40m

London Heathrow

Sun 23/11

06:30-08:20

1 stop21h 50m

£759

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Fri 21/11

23:00-20:05

2 stops25h 05m

London Heathrow

Sun 23/11

15:15-09:55

1 stop14h 40m

£813

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 24/12

15:30-12:50

3 stops25h 20m

London Heathrow

Thu 1/1

09:00-10:50

2 stops21h 50m

£943

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

£1,303

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 19/3

10:40-21:25

1 stop14h 45m

London Heathrow

Mon 23/3

11:30-09:25

2 stops17h 55m

£1,439

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 19/3

10:40-21:25

1 stop14h 45m

London Heathrow

Mon 23/3

09:00-22:50

2 stops33h 50m

£1,445

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 19/3

20:40-13:45

1 stop21h 05m

London Heathrow

Mon 23/3

14:45-09:10

1 stop14h 25m

£1,525

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 19/3

20:40-13:45

1 stop21h 05m

London Heathrow

Mon 23/3

14:45-09:10

1 stop14h 25m

£1,530

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Saint-Denis to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Saint-Denis to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Saint-Denis to London Heathrow Airport (RUN to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint-Denis to London Heathrow Airport

Direct flights

None
There are no direct flights from Saint-Denis to London Heathrow Airport. There are no popular flight routes from Saint-Denis to London Heathrow Airport.
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  • How far is Saint-Denis Gillot to London Heathrow by plane?

    Saint-Denis Gillot and London Heathrow are 6026.6 mi apart from one another. By plane, this route typically takes 14h 45m.

  • When did momondo last update prices for flights from Saint-Denis Gillot Airport to London Heathrow Airport?

    Prices for flights from Saint-Denis Gillot Airport to London Heathrow Airport are updated daily.

  • How old do you have to be to fly from Saint-Denis Gillot Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint-Denis Gillot Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Saint-Denis to London Heathrow Airport?

    Confirm your travel details to search for the latest offers for flights from Saint-Denis to London Heathrow Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Saint-Denis to London Heathrow Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Why use momondo?

Why should I use momondo to find a flight deal from Saint-Denis to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Saint-Denis to London. momondo saves you time and could save you money on your trip.

Can I find flights from Saint-Denis to London with flexible booking policies on momondo?

All flight searches from Saint-Denis to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Saint-Denis to London?

Once all potential Saint-Denis to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Saint-Denis to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Saint-Denis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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