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Cheap flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil from £403

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDU
4 May — 11 May1
1 adult

Cheap 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 29 April 2025.

Round-trip from

£730

One-way from

£403

Popular in

December

Cheapest in

January

Average price

£731
LATAM Airlines
  • LATAM Airlines
  • 12/5-24/11
  • 2 total stops
  • 31h 00m total
  • London to Rio de Janeiro
17/6
  • 17/6
  • 2 total stops
  • 20h 25m total
  • London to Rio de Janeiro
Highest demand for flights based on searches. 1% potential increase in price (£11 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Heathrow to Santos Dumont

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 29 April 2025.

Thu 20/1117:25LHR - SDU
2 stops18h 40mLATAM Airlines
Thu 27/1120:20SDU - LHR
1 stop14h 45mLATAM Airlines
Deal found 28/4£727
Tue 21/1008:00LHR - SDU
2 stops18h 25mMultiple Airlines
Wed 29/1017:05SDU - LHR
3 stops26h 35mMultiple Airlines
Deal found 28/4£769
Tue 9/1214:30LHR - SDU
2 stops28h 20mAir Canada
Tue 13/113:00SDU - LHR
2 stops39h 10mAir Canada
Deal found 28/4£777

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 29 April 2025.
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

Heathrow

Fly to

Santos Dumont

Route

Depart

Return

Price

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 12/5

21:20-09:35

1 stop16h 15m

Rio de Janeiro Santos Dumont

Mon 24/11

20:20-14:05

1 stop14h 45m

£730

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 21/10

08:00-22:25

2 stops18h 25m

Rio de Janeiro Santos Dumont

Wed 29/10

17:05-22:40

3 stops26h 35m

£769

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 17/9

09:30-15:50

2 stops34h 20m

Rio de Janeiro Santos Dumont

Mon 29/9

07:55-06:30

2 stops42h 35m

£878

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 1/9

14:10-15:50

2 stops29h 40m

Rio de Janeiro Santos Dumont

Sun 14/9

13:00-06:55

2 stops37h 55m

£974

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 17/6

06:00-22:25

2 stops20h 25m

£403

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 19/5

21:20-09:35

1 stop16h 15m

£419

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 11/9

16:40-15:50

2 stops27h 10m

£565

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 29/8

06:00-19:10

2 stops17h 10m

£653

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 30/6

18:55-09:35

2 stops42h 40m

£735

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 2/7

17:10-13:40

2 stops24h 30m

£759

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 11 results
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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport

What is the cheapest time of day to fly from LHR to SDU?

Find hourly flight availability from Heathrow to Santos Dumont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

When flying from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Santos Dumont by month

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

In terms of precipitation, rainfall in Rio de Janeiro Santos Dumont Airport ranges from 40.0 - 130.0 inches per month. January is typically the wettest month, when rainfall can reach 130.0 mm. July is typically the driest time to visit Rio de Janeiro Santos Dumont Airport when rainfall is around 40.0 mm.

Temperature in Santos Dumont by month

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

If weather is an important factor for your trip to Rio de Janeiro Santos Dumont Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 21.0 C).

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 29 April 2025.
Get a feel of what it's like to fly with Azul, LATAM Airlines and United Airlines from London to Rio de Janeiro by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.
8.0
Very Good

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Food

7.1

Reviews

1 / 14
2.0
Mediocre

Mike,Feb 2025

NVT - LIS

Experience was terrible. Flight cancelled. Missed connection. Replace service with EuroAtlantic airlines. Awful seats, awful food.

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.
  • What are the cheapest airlines flying from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport round-trip?

    According to our current data, LATAM Airlines (£730), Air Canada (£878), and United Airlines (£974) offers the cheapest pricing from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport.

  • What are the cheapest airlines to fly from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport one-way?

    £419 is the cheapest one-way deal found within the past few days, from LATAM Airlines. You may also be able to find cheap deals on United Airlines and TAP AIR PORTUGAL, with prices starting from £565 and £653, respectively.

  • 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

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

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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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