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Cheap flights from Saint-Denis to London Heathrow Airport from £462

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
RUN — LHR
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Saint-Denis to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Saint-Denis (RUN) to Heathrow (LHR). 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 15 April 2025.

Round-trip from

£782

One-way from

£462

Popular in

November

Cheapest in

September

Average price

£663
14/5-30/5
  • 14/5-30/5
  • 2 total stops
  • 36h 10m total
  • Saint-Denis to London
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14/5
  • 14/5
  • 2 total stops
  • 25h 50m total
  • Saint-Denis to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£190 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£53 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find flight deals from Saint-Denis to Heathrow

Cheapest flights from Saint-Denis to Heathrow
Explore the most affordable flight options available from Saint-Denis to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Wed 14/521:30RUN - LHR
1 stop19h 45mMultiple Airlines
Fri 30/515:05LHR - RUN
1 stop16h 25mMultiple Airlines
Deal found 15/4£782
Sat 24/523:00RUN - LHR
1 stop17h 45mAir Austral
Sat 7/617:35LHR - RUN
1 stop35h 35mAir Austral
Deal found 14/4£1,022
Sat 17/515:20RUN - LHR
2 stops33h 05mAir Mauritius
Mon 16/606:15LHR - RUN
2 stops37h 35mAir Mauritius
Deal found 15/4£1,114
Thu 22/521:00RUN - LHR
1 stop19h 45mAir France
Sun 22/606:15LHR - RUN
1 stop20h 15mAir France
Deal found 15/4£1,266

Cheapflights Fare Finder

Customise your flight search to find flights from Saint-Denis to Heathrow 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 15 April 2025.
Use the filters below to find and compare flights from Saint-Denis to London Heathrow Airport that are best for you.

Fly from

Saint-Denis

Fly to

Heathrow

Route

Depart

Return

Price

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 14/5

21:30-14:15

1 stop19h 45m

London Heathrow

Fri 30/5

15:05-10:30

1 stop16h 25m

£782

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sat 24/5

23:00-13:45

1 stop17h 45m

London Heathrow

Sat 7/6

17:35-08:10

1 stop35h 35m

£1,022

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Sat 17/5

15:20-21:25

2 stops33h 05m

London Heathrow

Mon 16/6

06:15-22:50

2 stops37h 35m

£1,114

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 22/5

21:00-13:45

1 stop19h 45m

London Heathrow

Sun 22/6

06:15-05:30

1 stop20h 15m

£1,266

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Wed 14/5

17:25-16:15

2 stops25h 50m

£462

Saint-DenisLondon

RUN - LHR

RUNLHR

Saint-Denis Gillot

Thu 8/5

15:20-21:25

2 stops33h 05m

£975

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 15 April 2025.
Air France
7.5
Good
1,435 reviews
Check prices

Boarding

7.4

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.0

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
1,435 reviews
Air France
7.5
Good
1,435 reviews
Check prices

Boarding

7.4

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.0

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 Heathrow. 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 Heathrow?

    Located just 3.9 mi from the city center, Saint-Denis Gillot is the airport most travelers will use when flying to London Heathrow from Saint-Denis. Booking flights from Gillot (RUN) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Saint-Denis to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Saint-Denis to London Heathrow Airport (average of £112). Flying from Saint-Denis to London Heathrow Airport 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
Luton
Slough
Croydon
Eastbourne
Wembley
Northampton
Hayes
Crawley
Southend-on-Sea
Maidstone
Swindon
Ipswich
Southall
Ilford
Winchester
Folkestone

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Alternative routes for Saint-Denis to Heathrow

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

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

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

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Can Cheapflights find flights from Saint-Denis to Heathrow 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 Heathrow, 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 Heathrow become cheaper?

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

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