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Cheap flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil from £420

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDU
8 Jun — 15 Jun1
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 9 May 2026.

Tue 10/1106:00
LHR
-
SDU
2 stops19h 25m
Multiple Airlines
Tue 24/1113:45
SDU
-
LHR
1 stop21h 20m
Multiple Airlines
Deal found 4/5£792
Tue 10/1106:00
LHR
-
SDU
2 stops19h 25m
Multiple Airlines
Wed 18/1113:45
SDU
-
LHR
1 stop21h 20m
Multiple Airlines
Deal found 7/5£793
Wed 24/621:20
LHR
-
SDU
1 stop15h 15m
LATAM Airlines
Wed 8/720:15
SDU
-
LHR
1 stop14h 50m
LATAM Airlines
Deal found 4/5£794
Mon 9/1106:00
LHR
-
SDU
2 stops19h 25m
Multiple Airlines
Mon 30/1120:15
SDU
-
LHR
1 stop14h 50m
Multiple Airlines
Deal found 5/5£795
Mon 16/1106:00
LHR
-
SDU
2 stops19h 25m
Multiple Airlines
Mon 30/1120:15
SDU
-
LHR
1 stop14h 50m
Multiple Airlines
Deal found 5/5£795
Mon 16/1120:15
LHR
-
SDU
1 stop15h 20m
LATAM Airlines
Mon 30/1120:15
SDU
-
LHR
1 stop14h 50m
LATAM Airlines
Deal found 5/5£806
Tue 24/1106:00
LHR
-
SDU
2 stops19h 25m
Multiple Airlines
Fri 4/1217:25
SDU
-
LHR
1 stop17h 40m
Multiple Airlines
Deal found 5/5£808
Mon 18/510:30
LHR
-
SDU
2 stops58h 15m
ITA Airways
Wed 17/608:15
SDU
-
LHR
2 stops21h 25m
ITA Airways
Deal found 8/5£809
Tue 9/621:20
LHR
-
SDU
1 stop15h 15m
LATAM Airlines
Wed 17/620:15
SDU
-
LHR
1 stop14h 50m
LATAM Airlines
Deal found 5/5£810
Tue 10/1120:15
LHR
-
SDU
1 stop15h 20m
LATAM Airlines
Tue 24/1120:15
SDU
-
LHR
1 stop14h 50m
LATAM Airlines
Deal found 4/5£811
Mon 18/521:20
LHR
-
SDU
1 stop15h 15m
LATAM Airlines
Wed 17/620:15
SDU
-
LHR
1 stop14h 50m
LATAM Airlines
Deal found 4/5£812

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 9 May 2026.

Round-trip from

£794

One-way from

£420

Popular in

December

Cheapest in

September

Average price

£750
LATAM Airlines
  • LATAM Airlines
  • 24/6-8/7
  • 2 total stops
  • 30h 05m total
  • London to Rio de Janeiro
Search Deals
31/5
  • 31/5
  • 3 total stops
  • 44h 05m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 9 May 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
Fastest return journey

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 19/5

16:30-16:45

2 stops28h 15m

Rio de Janeiro Santos Dumont

Tue 26/5

08:15-09:40

2 stops21h 25m

£973

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sun 6/9

09:30-16:45

2 stops35h 15m

Rio de Janeiro Santos Dumont

Sat 19/9

17:30-06:55

2 stops33h 25m

£1,031

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 15/10

16:30-07:55

2 stops43h 25m

Rio de Janeiro Santos Dumont

Tue 27/10

08:15-09:40

2 stops22h 25m

£1,034

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 14/10

16:30-16:45

2 stops28h 15m

Rio de Janeiro Santos Dumont

Thu 29/10

08:15-15:40

2 stops28h 25m

£1,034

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 4/7

16:45-07:40

2 stops42h 55m

Rio de Janeiro Santos Dumont

Sun 27/9

08:30-21:05

2 stops32h 35m

£1,047

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 5/6

16:45-11:10

2 stops46h 25m

Rio de Janeiro Santos Dumont

Sun 14/6

13:55-09:50

2 stops39h 55m

£1,047

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 13/10

16:30-16:45

2 stops28h 15m

Rio de Janeiro Santos Dumont

Sun 25/10

08:30-15:40

2 stops28h 10m

£1,059

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 3/7

16:45-11:10

2 stops46h 25m

Rio de Janeiro Santos Dumont

Tue 29/9

08:15-22:25

2 stops34h 10m

£1,064

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 1/7

16:45-07:40

2 stops42h 55m

Rio de Janeiro Santos Dumont

Tue 29/9

08:15-21:05

2 stops32h 50m

£1,067

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 10/10

10:30-11:10

2 stops28h 40m

Rio de Janeiro Santos Dumont

Fri 30/10

08:15-09:40

2 stops22h 25m

£1,119

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 19 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 9 May 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
1,917 reviews
Check prices

Comfort

7.3

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Crew

8.0

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
1,917 reviews
LATAM Airlines
7.4
Good
1,917 reviews
Check prices

Comfort

7.3

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Crew

8.0

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 £973, ITA Airways can have you in Rio de Janeiro Santos Dumont Airport from London Heathrow Airport in 28h 15m. 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 (£801), 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 9 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest£801Average£1,008FlexibilityNo 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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