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Cheap flights from London to Rio de Janeiro Santos Dumont Airport, Brazil from £376

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
18 Jun — 25 Jun1
1 adult

Cheap flight deals from London to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 13 June 2025.

Round-trip from

£762

One-way from

£376

Popular in

December

Cheapest in

January

Average price

£1,123
LATAM Airlines
  • LATAM Airlines
  • 15/11-29/11
  • 2 total stops
  • 30h 45m total
  • London to Rio de Janeiro
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24/8
  • 24/8
  • 2 total stops
  • 20h 20m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£58 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from London to Santos Dumont

Cheapest flights from London to Santos Dumont
Explore the most affordable flight options available from London to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sat 15/1120:15LHR - SDU
1 stop16h 00mLATAM Airlines
Sat 29/1120:20SDU - LHR
1 stop14h 45mLATAM Airlines
Deal found 11/6£762
Wed 17/912:05LGW - SDU
2 stops54h 15mITA Airways
Mon 29/907:55SDU - LGW
2 stops23h 20mITA Airways
Deal found 11/6£764
Thu 23/1006:00LHR - SDU
2 stops18h 25mMultiple Airlines
Wed 12/1116:55SDU - LHR
1 stop18h 10mMultiple Airlines
Deal found 11/6£770
Thu 6/1113:25LHR - SDU
2 stops27h 55mAir Canada
Thu 27/1111:25SDU - LHR
2 stops40h 05mAir Canada
Deal found 12/6£774
Thu 28/814:10LGW - SDU
3 stops22h 30mMultiple Airlines
Sun 14/919:20SDU - LGW
2 stops34h 40mMultiple Airlines
Deal found 12/6£774
Wed 17/917:15LGW - SDU
2 stops44h 20mTurkish Airlines
Tue 14/1011:25SDU - LGW
2 stops48h 50mTurkish Airlines
Deal found 11/6£776
Thu 9/1008:30LCY - SDU
2 stops52h 10mITA Airways
Fri 24/1011:25SDU - LCY
2 stops18h 40mITA Airways
Deal found 11/6£785
Tue 4/1116:45LCY - SDU
2 stops24h 35mMultiple Airlines
Tue 18/1107:50SDU - LCY
2 stops24h 05mMultiple Airlines
Deal found 11/6£796
Tue 2/920:40LGW - SDU
2 stops40h 55mLATAM Airlines
Wed 22/1014:20SDU - LGW
2 stops19h 30mLATAM Airlines
Deal found 11/6£801
Wed 2/719:05LHR - SDU
2 stops41h 35mTurkish Airlines
Tue 15/711:25SDU - LHR
2 stops23h 40mTurkish Airlines
Deal found 11/6£807
Mon 17/1117:25LGW - SDU
2 stops23h 55mAir Europa
Sat 22/1107:50SDU - LGW
2 stops22h 10mAir Europa
Deal found 12/6£807
Tue 9/914:10LHR - SDU
2 stops28h 10mUnited Airlines
Tue 16/911:25SDU - LHR
2 stops44h 20mUnited Airlines
Deal found 11/6£845

Cheapflights Fare Finder

Customise your flight search to find flights from London 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 13 June 2025.
Use the filters below to find and compare flights from London to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

London

Fly to

Santos Dumont

Route

Depart

Return

Price

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 15/11

20:15-09:15

1 stop16h 00m

Rio de Janeiro Santos Dumont

Sat 29/11

20:20-14:05

1 stop14h 45m

£762

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Wed 17/9

12:05-14:20

2 stops54h 15m

Rio de Janeiro Santos Dumont

Mon 29/9

07:55-11:15

2 stops23h 20m

£764

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 23/10

06:00-20:25

2 stops18h 25m

Rio de Janeiro Santos Dumont

Wed 12/11

16:55-14:05

1 stop18h 10m

£770

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 6/11

13:25-14:20

2 stops27h 55m

Rio de Janeiro Santos Dumont

Thu 27/11

11:25-06:30

2 stops40h 05m

£774

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Thu 28/8

14:10-08:40

3 stops22h 30m

Rio de Janeiro Santos Dumont

Sun 14/9

19:20-10:00

2 stops34h 40m

£774

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Wed 17/9

17:15-09:35

2 stops44h 20m

Rio de Janeiro Santos Dumont

Tue 14/10

11:25-16:15

2 stops48h 50m

£776

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Thu 9/10

08:30-08:40

2 stops52h 10m

Rio de Janeiro Santos Dumont

Fri 24/10

11:25-10:05

2 stops18h 40m

£785

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 4/11

16:45-14:20

2 stops24h 35m

Rio de Janeiro Santos Dumont

Tue 18/11

07:50-10:55

2 stops24h 05m

£796

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Tue 2/9

20:40-09:35

2 stops40h 55m

Rio de Janeiro Santos Dumont

Wed 22/10

14:20-13:50

2 stops19h 30m

£801

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Mon 17/11

17:25-14:20

2 stops23h 55m

Rio de Janeiro Santos Dumont

Sat 22/11

07:50-09:00

2 stops22h 10m

£807

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 27 results
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2
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Best time to book a flight from London to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from London 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 to Rio de Janeiro Santos Dumont Airport

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

Find hourly flight availability from London 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 13 June 2025.

When flying from London to Rio de Janeiro Santos Dumont Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 4% versus a flight in the morning.

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 13 June 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. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,785 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
United Airlines
7.4
Good
8,790 reviews
LATAM Airlines
7.5
Good
1,785 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Turkish Airlines
7.3
Good
3,849 reviews
LATAM Airlines
7.5
Good
1,785 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Air Canada
7.1
Good
9,539 reviews
LATAM Airlines
7.5
Good
1,785 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
TAP AIR PORTUGAL
7.1
Good
1,885 reviews
LATAM Airlines
7.5
Good
1,785 reviews
Check prices

Boarding

7.6

Food

6.7

Crew

8.1

Comfort

7.4

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

Find useful and relevant information for your journey from London 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 to Rio de Janeiro Santos Dumont Airport round-trip?

    Currently priced at £762, LATAM Airlines will fly you from London to Rio de Janeiro Santos Dumont Airport and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from ITA Airways and Air Canada - these airlines can fly you to your destination from £764 and £774, respectively. You may be able to fly from London to Rio de Janeiro Santos Dumont Airport for 18% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with ITA Airways, which is currently one of the cheapest options available, starting at £418. United Airlines flights start at £564 while deals on LATAM Airlines start at £605 one-way.

  • What are the most popular routes from London to Rio de Janeiro Santos Dumont Airport?

    The most popular flight routes from London to Rio de Janeiro Santos Dumont Airport are London Heathrow - Rio de Janeiro Santos Dumont, London Gatwick - Rio de Janeiro Santos Dumont and London City - Rio de Janeiro Santos Dumont.

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

    Yes. In addition to deals on London to Santos Dumont flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Santos Dumont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Santos Dumont.

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

    Yes. Cheapflights offers flight deals from London 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.

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Yes, Cheapflights offers price alerts on London to Santos Dumont flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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