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 (£754), offers the cheapest pricing from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport.

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).

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.

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.

£446+ Cheap Flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil

Cheap flight deals from Heathrow to Santos Dumont

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 18 September 2026.

Thu 19/1120:15 -

1 stop28h 45m

Thu 26/1110:05 -

1 stop25h 00m

Deal found 18/9£768

Wed 11/1120:15 -

1 stop16h 10m

Wed 25/1106:15 -

1 stop28h 50m

Deal found 14/9£777

Tue 24/1120:15 -

1 stop24h 10m

Sun 6/1210:05 -

1 stop25h 00m

Deal found 15/9£784

Mon 9/1120:15 -

1 stop28h 45m

Mon 30/1120:10 -

2 stops38h 55m

Deal found 15/9£785

Tue 10/1120:15 -

1 stop16h 10m

Wed 25/1114:20 -

2 stops20h 45m

Deal found 15/9£786

Thu 26/1110:30 -

2 stops27h 20m

Tue 8/1209:05 -

2 stops27h 35m

Deal found 14/9£790

Sun 15/1110:30 -

2 stops51h 20m

Fri 27/1107:50 -

2 stops28h 50m

Deal found 15/9£791

Wed 25/1120:15 -

1 stop24h 10m

Tue 8/1211:45 -

1 stop23h 20m

Deal found 13/9£793

Fri 20/1120:15 -

2 stops41h 50m

Fri 27/1120:10 -

2 stops38h 55m

Deal found 13/9£793

Thu 29/1020:15 -

1 stop16h 10m

Wed 11/1118:55 -

1 stop16h 10m

Deal found 18/9£796

Mon 9/1120:15 -

1 stop24h 10m

Tue 24/1116:25 -

1 stop18h 40m

Deal found 15/9£802

Mon 16/1116:30 -

2 stops45h 20m

Tue 24/1107:50 -

2 stops22h 50m

Deal found 16/9£807

Find flight deals from Heathrow to Santos Dumont

Round-trip from	£765
One-way from	£446
Popular in	December
Cheapest in	March
Average price	£866

LATAM Airlines
1/3-8/3
4 total stops
69h 05m total
London to Rio de Janeiro

Search Deals

22/11-31/12
2 total stops
41h 45m total
London to Rio de Janeiro

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£39 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 September 2026

Search Deals

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

Cheapest return flight

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Mon 8/3

10:00-13:10

2 stops30h 10m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£561

Fastest return journey

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Wed 10/3

12:00-10:50

2 stops25h 50m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£561

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Sat 31/10

09:10-11:10

2 stops29h 00m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£562

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Sat 10/10

18:00-13:15

2 stops47h 15m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£562

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Tue 27/10

07:40-10:50

2 stops30h 10m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£562

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Tue 1/12

07:40-13:10

2 stops32h 30m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£563

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Wed 30/9

08:00-16:45

2 stops36h 45m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£563

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Wed 28/10

12:00-13:10

2 stops28h 10m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£564

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Thu 1/10

16:40-16:45

2 stops28h 05m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£564

LondonRio de Janeiro

LHR London Heathrow - SDU Rio de Janeiro Santos Dumont

LHRSDU

London Heathrow

Fri 5/3

16:30-11:10

2 stops45h 40m

Rio de Janeiro Santos Dumont

Wed 31/12

00:00-04:00

Nonstop0h 00m

£646

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 23 resultsSorted by cheapest first

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.

LHR-SDU

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

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

1,984 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Noah,Aug 2026

JFK - GRU

This was fine, the flight crew and food were good.

LATAM Airlines

7.4

Good

1,984 reviews

LATAM Airlines

7.4

Good

1,984 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Noah,Aug 2026

JFK - GRU

This was fine, the flight crew and food were good.

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 £929, ITA Airways can have you in Rio de Janeiro Santos Dumont Airport from London Heathrow Airport in 26h 20m. 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 (£754), 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

Alternative routes

Complete your trip

Direct flights to Rio de Janeiro

Flights by cabin class

Other flight options

Other flights from Heathrow

Popular flights

Santos Dumont flight routes

Alternative routes for Heathrow to Santos Dumont

Heathrow to Rio de Janeiro–Galeão Intl flights

Gatwick to Rio de Janeiro–Galeão Intl flights

London City to Rio de Janeiro–Galeão Intl flights

Gatwick to Santos Dumont flights

Stansted to Rio de Janeiro–Galeão Intl flights

Top airline flying from Heathrow to Santos Dumont

Airline	Cheapest	Average	Flexibility	On-time
LATAM Airlines	Cheapest£754	Average£1,017	FlexibilityNo cancel fee	On-time81%	Search LATAM Airlines 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.

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Cheap flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil from £446

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. 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

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 18 September 2026.

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 18 September 2026.

Best flights from Heathrow to Santos DumontDiscover 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 18 September 2026.

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 18 September 2026.

Last-minute flights from Heathrow to Santos DumontDiscover last-minute flight deals from Heathrow to Santos Dumont. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Santos Dumont. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Heathrow to Santos DumontSearch for one-way flight options from Heathrow to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Heathrow to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

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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.

Reviews of airlines servicing Santos Dumont

Related info for your journey

How long is the flight from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport?

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

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Santos Dumont

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

Complete your trip

Complete your trip to Santos Dumont by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Rio de Janeiro

Book a non-stop flight to one of these other cities located in Rio de Janeiro.

Search flights from Heathrow to Santos Dumont by cabin class

Find flights from Heathrow to Santos Dumont, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Santos Dumont flights

Browse other Heathrow and Santos Dumont flight options. Last updated on 18 September 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Santos Dumont

Explore flights to Santos Dumont departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Top airline flying from Heathrow to Santos Dumont

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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 18 September 2026.

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 18 September 2026.

Last-minute flights from Heathrow to Santos Dumont
Discover last-minute flight deals from Heathrow to Santos Dumont. Data last updated 18 September 2026 and is based on user searches.

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 18 September 2026.