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Cheap flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil from £372

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SDU
26 Mar — 2 Apr1
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 21 March 2025.

Round-trip from

£721

One-way from

£372

Popular in

December

Cheapest in

January

Average price

£695
LATAM Airlines
  • LATAM Airlines
  • 19/5-4/6
  • 2 total stops
  • 31h 00m total
  • London to Rio de Janeiro
10/5
  • 10/5
  • 3 total stops
  • 45h 50m total
  • London to Rio de Janeiro
Highest demand for flights based on searches. 2% potential increase in price (£16 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in March 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 21 March 2025.

Mon 19/521:20LHR - SDU
1 stop16h 15mLATAM Airlines
Wed 4/620:20SDU - LHR
1 stop14h 45mLATAM Airlines
Deal found 20/3£721
Wed 7/506:00LHR - SDU
2 stops20h 25mMultiple Airlines
Mon 9/611:50SDU - LHR
3 stops30h 20mMultiple Airlines
Deal found 21/3£779
Mon 5/518:30LHR - SDU
2 stops42h 10mTurkish Airlines
Mon 26/513:05SDU - LHR
2 stops47h 35mTurkish Airlines
Deal found 21/3£795
Wed 1/1014:05LHR - SDU
2 stops29h 45mAir Canada
Wed 15/1007:55SDU - LHR
2 stops46h 05mAir Canada
Deal found 21/3£860
Sat 29/316:00LHR - SDU
2 stops50h 50mLufthansa
Sun 13/413:00SDU - LHR
2 stops41h 40mLufthansa
Deal found 20/3£933
Sun 4/516:40LHR - SDU
2 stops27h 10mUnited Airlines
Sun 11/513:00SDU - LHR
2 stops38h 40mUnited Airlines
Deal found 20/3£979

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 21 March 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 19/5

21:20-09:35

1 stop16h 15m

Rio de Janeiro Santos Dumont

Wed 4/6

20:20-15:05

1 stop14h 45m

£721

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 7/5

06:00-22:25

2 stops20h 25m

Rio de Janeiro Santos Dumont

Mon 9/6

11:50-22:10

3 stops30h 20m

£779

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 5/5

18:30-08:40

2 stops42h 10m

Rio de Janeiro Santos Dumont

Mon 26/5

13:05-16:40

2 stops47h 35m

£795

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 11/9

17:40-15:50

2 stops26h 10m

Rio de Janeiro Santos Dumont

Mon 15/9

07:55-10:00

2 stops46h 05m

£884

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 17/4

11:05-15:50

2 stops32h 45m

Rio de Janeiro Santos Dumont

Thu 24/4

13:05-06:55

2 stops37h 50m

£953

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 10/5

20:50-14:40

3 stops45h 50m

£372

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 31/3

15:20-15:50

2 stops28h 30m

£458

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sun 30/3

21:20-09:35

1 stop16h 15m

£630

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sun 30/3

09:15-09:35

2 stops28h 20m

£652

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 17/4

19:50-22:10

2 stops30h 20m

£656

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 12 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 21 March 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 21 March 2025.
Get a feel of what it's like to fly with LATAM Airlines, United Airlines and Turkish 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.

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

Food

6.7

Overall

7.5

Crew

8.1

Entertainment

7.0

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

ATL - MSP

Late flight, just one person at the gate. He managed to solve problems and get everybody on the plane at the same time smoothly and with great professionalism. Left on time and arrived early to MSP

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 (£721), Turkish Airlines (£795), and Air Canada (£884) 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?

    £458 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on LATAM Airlines and Iberia, with prices starting from £630 and £652, 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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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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