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Cheap flights from Rio de Janeiro Santos Dumont Airport, Brazil to London Heathrow Airport from £326

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Santos Dumont to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Santos Dumont to Heathrow
Explore the most affordable flight options available from Santos Dumont to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Thu 25/1220:05SDU - LHR
1 stop15h 00mLATAM Airlines
Sat 3/120:15LHR - SDU
1 stop20h 00mLATAM Airlines
Deal found 10/12£633
Tue 23/1220:05SDU - LHR
1 stop15h 00mLATAM Airlines
Mon 23/320:15LHR - SDU
1 stop16h 10mLATAM Airlines
Deal found 10/12£670
Thu 25/1220:05SDU - LHR
1 stop15h 00mLATAM Airlines
Sun 18/120:15LHR - SDU
1 stop16h 10mLATAM Airlines
Deal found 10/12£931
Wed 24/1214:00SDU - LHR
1 stop21h 05mLATAM Airlines
Tue 20/120:15LHR - SDU
1 stop16h 10mLATAM Airlines
Deal found 11/12£943
Tue 23/1220:05SDU - LHR
1 stop15h 00mLATAM Airlines
Mon 16/320:15LHR - SDU
1 stop16h 10mLATAM Airlines
Deal found 12/12£986
Tue 23/1215:10SDU - LHR
2 stops19h 55mLATAM Airlines
Thu 19/320:15LHR - SDU
2 stops21h 10mLATAM Airlines
Deal found 11/12£990
Fri 26/1220:05SDU - LHR
1 stop15h 00mLATAM Airlines
Tue 24/320:15LHR - SDU
1 stop16h 10mLATAM Airlines
Deal found 12/12£998
Fri 26/1220:05SDU - LHR
1 stop15h 00mLATAM Airlines
Tue 26/521:20LHR - SDU
1 stop19h 50mLATAM Airlines
Deal found 10/12£1,003
Tue 23/1208:10SDU - LHR
2 stops43h 25mEthiopian Air
Tue 3/220:15LHR - SDU
2 stops38h 20mEthiopian Air
Deal found 10/12£1,004

Find flight deals from Santos Dumont to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Santos Dumont (SDU) 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 12 December 2025.

Round-trip from

£629

One-way from

£326

Popular in

January

Cheapest in

November

Average price

£762
LATAM Airlines
  • LATAM Airlines
  • 11/3-16/3
  • 3 total stops
  • 41h 25m total
  • Rio de Janeiro to London
Search Deals
United Airlines
  • United Airlines
  • 1/2
  • 2 total stops
  • 38h 05m total
  • Rio de Janeiro to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Santos Dumont 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 12 December 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to London Heathrow Airport that are best for you.

Fly from

Santos Dumont

Fly to

Heathrow

Route

Depart

Return

Price

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Tue 3/3

15:10-14:05

2 stops19h 55m

London Heathrow

Mon 16/3

20:15-14:25

2 stops21h 10m

£633

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Wed 11/3

15:10-14:05

2 stops19h 55m

London Heathrow

Mon 16/3

20:15-13:15

1 stop20h 00m

£634

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Sun 17/5

15:05-15:05

2 stops20h 00m

London Heathrow

Sun 24/5

21:20-13:30

2 stops20h 10m

£643

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 23/3

13:40-14:05

2 stops21h 25m

London Heathrow

Mon 20/4

21:20-13:10

1 stop19h 50m

£645

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 16/3

20:05-14:05

1 stop15h 00m

London Heathrow

Tue 31/3

21:20-13:10

1 stop19h 50m

£675

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 4/5

14:15-15:05

2 stops20h 50m

London Heathrow

Sun 31/5

21:20-13:10

1 stop19h 50m

£686

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Wed 13/5

13:45-06:35

2 stops36h 50m

London Heathrow

Wed 27/5

17:40-16:45

2 stops27h 05m

£686

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Sun 8/3

20:05-14:05

1 stop15h 00m

London Heathrow

Wed 25/3

20:15-09:25

1 stop16h 10m

£768

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Tue 24/2

10:40-16:35

2 stops26h 55m

£371

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 6/4

13:45-15:35

2 stops45h 50m

£389

Flights are sorted by cheapest return flights first.

Deals found on 12/12

Showing 1-10 of 16 results
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Best time to book a flight from Santos Dumont to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Santos Dumont 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.

Related info for your journey

Find useful and relevant information for your journey from Santos Dumont to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rio de Janeiro Santos Dumont Airport to London Heathrow Airport?

    A quick flight from Rio de Janeiro Santos Dumont Airport to London Heathrow Airport can take about 19h 55m. LATAM Airlines provides one of the quickest options available for as low as £633. Rio de Janeiro Santos Dumont Airport and London Heathrow Airport are separated by a distance of 5750 mi.

  • Can I find deals for flights from Santos Dumont to Heathrow that include hotel bookings?

    Yes. In addition to deals on Santos Dumont to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Santos Dumont to Heathrow?

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

  • Can I find deals for business class flights from Santos Dumont to Heathrow?

    Yes. Cheapflights offers flight deals from Santos Dumont 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Santos Dumont to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Rio de Janeiro–Galeão Intl to Gatwick flights
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Fly with Cheapflights

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How does Cheapflights help users find flights from Santos Dumont to Heathrow?

Cheapflights helps you search for flights from Santos Dumont to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Santos Dumont to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Santos Dumont to Heathrow 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 Santos Dumont to Heathrow with no change fees?

Yes, we can. To see specific flights from Santos Dumont to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Santos Dumont to Heathrow become cheaper?

Yes! Start tracking prices for Santos Dumont to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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