What is the cheapest day to fly from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport?

Travellers seeking maximum savings on their London Heathrow Airport to Rio de Janeiro Santos Dumont Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

How far in advance should I book a flight from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport?

To save up to 48% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport from £734 1-2 weeks out and tickets from £1,007 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport?

Our data shows that March tends to be the cheapest month to fly to Rio de Janeiro Santos Dumont Airport from London Heathrow Airport. Users have commonly found prices around £775 for the month, but tickets can be as low as £514. Due to multiple factors, prepare for potentially higher prices in December.

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.

£462+ Cheap Flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil

Cheap flight deals from Heathrow to Santos Dumont

Round-trip from	£734
One-way from	£462
Popular in	December
Cheapest in	March
Average price	£955

LATAM Airlines
8/2-10/3
2 total stops
32h 55m total
London to Rio de Janeiro

Search Deals

United Airlines
6/9
2 total stops
31h 35m total
London to Rio de Janeiro

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 26 August 2025.

Fri 14/1120:15LHR - SDU

1 stop20h 00mLATAM Airlines

Fri 21/1120:05SDU - LHR

1 stop15h 00mLATAM Airlines

Deal found 25/8£751

Sun 16/1118:30LHR - SDU

2 stops28h 55mMultiple Airlines

Thu 27/1108:15SDU - LHR

1 stop26h 50mMultiple Airlines

Deal found 23/8£752

Wed 12/1120:15LHR - SDU

1 stop20h 00mLATAM Airlines

Fri 21/1120:05SDU - LHR

1 stop15h 00mLATAM Airlines

Deal found 24/8£756

Wed 24/921:20LHR - SDU

1 stop20h 00mLATAM Airlines

Wed 4/314:00SDU - LHR

1 stop21h 05mLATAM Airlines

Deal found 24/8£759

Mon 24/1106:00LHR - SDU

2 stops28h 05mMultiple Airlines

Mon 1/1220:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 23/8£763

Mon 15/921:20LHR - SDU

1 stop20h 20mLATAM Airlines

Mon 29/910:00SDU - LHR

2 stops25h 05mLATAM Airlines

Deal found 24/8£764

Tue 11/1118:30LHR - SDU

2 stops28h 55mMultiple Airlines

Wed 26/1120:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 24/8£765

Thu 13/1120:15LHR - SDU

1 stop16h 10mLATAM Airlines

Thu 27/1114:00SDU - LHR

1 stop21h 05mLATAM Airlines

Deal found 24/8£766

Mon 10/1106:00LHR - SDU

2 stops28h 05mMultiple Airlines

Wed 26/1120:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 24/8£767

Wed 12/1108:15LHR - SDU

2 stops17h 10mMultiple Airlines

Wed 26/1120:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 24/8£769

Fri 14/1107:00LHR - SDU

2 stops27h 05mMultiple Airlines

Mon 1/1220:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 24/8£771

Best flights from Heathrow to Santos Dumont
Discover carefully curated flight deals from Heathrow to Santos Dumont that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2025.

Sun 8/220:15LHR - SDU

1 stop16h 10mLATAM Airlines

Tue 10/318:20SDU - LHR

1 stop16h 45mLATAM Airlines

Deal found 24/8£734

Tue 18/1107:30LHR - SDU

2 stops17h 55mMultiple Airlines

Wed 26/1120:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 23/8£745

Tue 18/1107:30LHR - SDU

2 stops17h 55mMultiple Airlines

Wed 3/1220:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 22/8£745

Thu 13/1120:15LHR - SDU

1 stop16h 10mLATAM Airlines

Thu 20/1120:05SDU - LHR

1 stop15h 00mLATAM Airlines

Deal found 23/8£747

Mon 9/220:15LHR - SDU

1 stop20h 00mLATAM Airlines

Mon 16/220:05SDU - LHR

1 stop15h 00mLATAM Airlines

Deal found 23/8£747

Tue 18/1107:30LHR - SDU

2 stops17h 55mMultiple Airlines

Mon 1/1220:05SDU - LHR

1 stop15h 00mMultiple Airlines

Deal found 22/8£749

Mon 9/220:15LHR - SDU

1 stop20h 00mLATAM Airlines

Mon 9/314:00SDU - LHR

1 stop21h 05mLATAM Airlines

Deal found 22/8£747

Fri 14/1120:15LHR - SDU

1 stop20h 00mLATAM Airlines

Fri 21/1120:05SDU - LHR

1 stop15h 00mLATAM Airlines

Deal found 25/8£751

Wed 12/1120:15LHR - SDU

1 stop20h 00mLATAM Airlines

Wed 19/1120:05SDU - LHR

1 stop15h 00mLATAM Airlines

Deal found 23/8£752

Last-minute flights from Heathrow to Santos Dumont
Discover last-minute flight deals from Heathrow to Santos Dumont. Data last updated 26 August 2025 and is based on user searches.

Fri 5/921:20LHR - SDU

1 stop20h 30mLATAM Airlines

Mon 6/1013:55SDU - LHR

1 stop21h 10mLATAM Airlines

Deal found 24/8£812

Fri 5/921:20LHR - SDU

2 stops25h 05mLATAM Airlines

Tue 23/908:50SDU - LHR

2 stops26h 15mLATAM Airlines

Deal found 25/8£814

Tue 9/921:20LHR - SDU

1 stop20h 20mLATAM Airlines

Tue 16/911:55SDU - LHR

2 stops23h 10mLATAM Airlines

Deal found 24/8£795

Mon 15/921:20LHR - SDU

1 stop20h 20mLATAM Airlines

Mon 29/910:00SDU - LHR

2 stops25h 05mLATAM Airlines

Deal found 24/8£764

Tue 16/921:20LHR - SDU

1 stop16h 15mLATAM Airlines

Wed 24/911:55SDU - LHR

2 stops23h 10mLATAM Airlines

Deal found 24/8£815

Tue 16/921:20LHR - SDU

1 stop16h 15mLATAM Airlines

Fri 26/911:55SDU - LHR

2 stops23h 10mLATAM Airlines

Deal found 24/8£816

Wed 17/921:20LHR - SDU

1 stop16h 15mLATAM Airlines

Mon 29/910:00SDU - LHR

2 stops25h 05mLATAM Airlines

Deal found 25/8£795

Wed 24/921:20LHR - SDU

1 stop20h 00mLATAM Airlines

Wed 4/314:00SDU - LHR

1 stop21h 05mLATAM Airlines

Deal found 24/8£759

Tue 30/921:20LHR - SDU

1 stop16h 15mLATAM Airlines

Wed 8/1011:50SDU - LHR

2 stops23h 15mLATAM Airlines

Deal found 24/8£800

One-way flights from Heathrow to Santos Dumont
Search for one-way flight options from Heathrow to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated 26 August 2025.

Sat 6/914:10LHR - SDU

2 stops31h 35mUnited Airlines

Deal found 25/8£462

Fri 12/920:55LHR - SDU

3 stops29h 30mMultiple Airlines

Deal found 23/8£471

Tue 14/1006:00LHR - SDU

2 stops18h 25mMultiple Airlines

Deal found 25/8£474

Sun 15/219:55LHR - SDU

3 stops44h 20mMultiple Airlines

Deal found 25/8£479

Sat 15/1113:40LHR - SDU

3 stops24h 30mMultiple Airlines

Deal found 24/8£480

Tue 10/206:00LHR - SDU

2 stops19h 25mMultiple Airlines

Deal found 25/8£485

Sat 7/206:00LHR - SDU

2 stops19h 25mMultiple Airlines

Deal found 25/8£491

Mon 9/206:00LHR - SDU

2 stops19h 25mMultiple Airlines

Deal found 25/8£498

Sun 8/218:30LHR - SDU

2 stops21h 45mMultiple Airlines

Deal found 25/8£500

Cheapflights Fare Finder

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

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sun 8/2

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Tue 10/3

18:20-14:05

1 stop16h 45m

£734

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 18/11

07:30-22:25

2 stops17h 55m

Rio de Janeiro Santos Dumont

Wed 26/11

20:05-14:05

1 stop15h 00m

£745

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 18/11

07:30-22:25

2 stops17h 55m

Rio de Janeiro Santos Dumont

Wed 3/12

20:05-14:05

1 stop15h 00m

£745

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 13/11

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Thu 20/11

20:05-14:05

1 stop15h 00m

£747

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 9/2

20:15-13:15

1 stop20h 00m

Rio de Janeiro Santos Dumont

Mon 16/2

20:05-14:05

1 stop15h 00m

£747

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 9/2

20:15-13:15

1 stop20h 00m

Rio de Janeiro Santos Dumont

Mon 9/3

14:00-14:05

1 stop21h 05m

£747

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 18/11

07:30-22:25

2 stops17h 55m

Rio de Janeiro Santos Dumont

Mon 1/12

20:05-14:05

1 stop15h 00m

£749

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 14/11

20:15-13:15

1 stop20h 00m

Rio de Janeiro Santos Dumont

Fri 21/11

20:05-14:05

1 stop15h 00m

£751

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 12/11

20:15-13:15

1 stop20h 00m

Rio de Janeiro Santos Dumont

Wed 19/11

20:05-14:05

1 stop15h 00m

£752

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 6/9

14:10-17:45

2 stops31h 35m

£462

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 18 results

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?

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.

Related info for your journey

How long is the flight from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport?
For as low as £734, LATAM Airlines can have you in Rio de Janeiro Santos Dumont Airport from London Heathrow Airport in 16h 10m. Airlines will cover a distance of 5750 mi.
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

Alternative routes for Heathrow to Santos Dumont

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Other flights to Santos Dumont

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Rio de Janeiro Santos Dumont Airport to Brasilia flights

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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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Cheap flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil from £462

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Santos Dumont

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to Santos Dumont

Cheapest flights from Heathrow to Santos DumontExplore 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 26 August 2025.

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 26 August 2025.

Cheapflights Fare Finder

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.

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.

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?

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?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.

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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?

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

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

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

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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 26 August 2025.