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Cheap flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil from £428

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDU
12 May — 19 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Santos Dumont

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Santos Dumont
Explore the most affordable flight options available from Heathrow to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2026.

Mon 2/1116:30
LHR
-
SDU
2 stops42h 10m
ITA Airways
Sun 8/1108:30
SDU
-
LHR
2 stops28h 10m
ITA Airways
Deal found 7/4£718
Tue 10/1110:30
LHR
-
SDU
2 stops33h 15m
ITA Airways
Tue 24/1113:45
SDU
-
LHR
2 stops40h 55m
ITA Airways
Deal found 7/4£719
Mon 2/1116:30
LHR
-
SDU
2 stops42h 10m
ITA Airways
Fri 13/1108:15
SDU
-
LHR
2 stops46h 25m
ITA Airways
Deal found 10/4£727
Mon 2/1110:30
LHR
-
SDU
2 stops57h 15m
ITA Airways
Thu 12/1108:15
SDU
-
LHR
2 stops22h 25m
ITA Airways
Deal found 9/4£728
Thu 26/1116:30
LHR
-
SDU
2 stops42h 25m
ITA Airways
Sun 29/1108:30
SDU
-
LHR
2 stops28h 10m
ITA Airways
Deal found 10/4£729
Thu 21/521:20
LHR
-
SDU
1 stop15h 30m
LATAM Airlines
Wed 27/514:15
SDU
-
LHR
2 stops20h 50m
LATAM Airlines
Deal found 11/4£742
Thu 4/619:50
LHR
-
SDU
2 stops30h 35m
Multiple Airlines
Thu 11/620:15
SDU
-
LHR
1 stop14h 50m
Multiple Airlines
Deal found 8/4£747
Thu 11/606:00
LHR
-
SDU
2 stops20h 25m
Multiple Airlines
Thu 25/610:05
SDU
-
LHR
2 stops32h 00m
Multiple Airlines
Deal found 10/4£752
Sat 9/521:20
LHR
-
SDU
1 stop15h 15m
LATAM Airlines
Sun 24/515:05
SDU
-
LHR
2 stops20h 00m
LATAM Airlines
Deal found 7/4£754
Mon 23/1110:30
LHR
-
SDU
2 stops33h 15m
ITA Airways
Sun 29/1108:30
SDU
-
LHR
2 stops22h 10m
ITA Airways
Deal found 7/4£757
Sat 6/608:00
LHR
-
SDU
2 stops18h 25m
Multiple Airlines
Sun 14/606:15
SDU
-
LHR
1 stop28h 50m
Multiple Airlines
Deal found 10/4£758

Find flight deals from Heathrow to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Santos Dumont (SDU). 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 April 2026.

Round-trip from

£747

One-way from

£428

Popular in

December

Cheapest in

September

Average price

£833
LATAM Airlines
  • LATAM Airlines
  • 4/6-11/6
  • 3 total stops
  • 45h 25m total
  • London to Rio de Janeiro
Search Deals
9/6
  • 9/6
  • 2 total stops
  • 37h 35m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£25 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Santos Dumont 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 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 21/5

21:20-08:50

1 stop15h 30m

Rio de Janeiro Santos Dumont

Wed 27/5

14:15-15:05

2 stops20h 50m

£742
Fastest return journey

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 12/5

21:20-08:35

1 stop15h 15m

Rio de Janeiro Santos Dumont

Tue 26/5

14:15-15:05

2 stops20h 50m

£844

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 30/4

12:15-16:45

2 stops32h 30m

Rio de Janeiro Santos Dumont

Wed 6/5

13:45-06:55

2 stops37h 10m

£915

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 9/10

16:30-20:15

2 stops31h 45m

Rio de Janeiro Santos Dumont

Fri 23/10

08:15-09:40

2 stops21h 25m

£926

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 9/5

06:15-13:10

2 stops34h 55m

Rio de Janeiro Santos Dumont

Tue 9/6

20:15-15:05

1 stop14h 50m

£942

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 29/4

11:05-17:15

2 stops34h 10m

Rio de Janeiro Santos Dumont

Wed 6/5

13:45-11:35

2 stops41h 50m

£964

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 23/9

16:40-16:45

2 stops28h 05m

Rio de Janeiro Santos Dumont

Thu 1/10

13:45-06:55

2 stops37h 10m

£978

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 1/7

16:30-07:40

2 stops43h 10m

Rio de Janeiro Santos Dumont

Thu 24/9

08:15-09:40

2 stops21h 25m

£1,032

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 12/8

16:30-16:45

2 stops28h 15m

Rio de Janeiro Santos Dumont

Wed 19/8

08:15-09:40

2 stops21h 25m

£1,116

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 10/8

16:30-16:45

2 stops28h 15m

Rio de Janeiro Santos Dumont

Wed 19/8

08:15-09:40

2 stops21h 25m

£1,116

Flights are sorted by cheapest return flights first.

Deals found on 7/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Santos Dumont

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

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. 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 Santos Dumont. Reviews last updated 12 April 2026.
Read reviews from past customers who have flown with LATAM Airlines from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.4
Good
1,910 reviews
Check prices

Food

6.7

Crew

8.0

Overall

7.4

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor
LATAM Airlines
7.4
Good
1,910 reviews
LATAM Airlines
7.4
Good
1,910 reviews
Check prices

Food

6.7

Crew

8.0

Overall

7.4

Entertainment

7.0

Comfort

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Juan,Apr 2026

BOG - CLO

Very old aircraft and it was very dirty in the seats and floor

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Santos Dumont. 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 London Heathrow Airport to Rio de Janeiro Santos Dumont Airport?

    For as low as £742, LATAM Airlines can have you in Rio de Janeiro Santos Dumont Airport from London Heathrow Airport in 15h 30m. Airlines will cover a distance of 5750 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport round-trip?

    According to our current data, LATAM Airlines (£809), offers the cheapest pricing from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Santos Dumont 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Heathrow to Santos Dumont

Discover the top airline that operate flights from Heathrow to Santos Dumont. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 April 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£809Average£1,018FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines 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 Heathrow to Santos Dumont?

Deals for Heathrow to Santos Dumont 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 Heathrow to Santos Dumont?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Santos Dumont for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Santos Dumont with no change fees?

Certainly. Search results for flights to Santos Dumont from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Heathrow to Santos Dumont and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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