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Cheap flights from London to Rio de Janeiro Santos Dumont Airport, Brazil from £399

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Round-trip from

£736

One-way from

£399

Popular in

December

Cheapest in

January

Average price

£795
ITA Airways
  • ITA Airways
  • 12/3-26/3
  • 4 total stops
  • 50h 20m total
  • London to Rio de Janeiro
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28/1
  • 28/1
  • 3 total stops
  • 34h 25m total
  • London to Rio de Janeiro
Search Deals
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (£37 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from London to Santos Dumont

Enter your travel dates to find the best prices.

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 7 November 2025.

Wed 3/1216:45LCY - SDU
2 stops26h 55mITA Airways
Wed 10/1213:45SDU - LCY
2 stops42h 10mITA Airways
Deal found 5/11£790
Sun 23/1120:15LHR - SDU
1 stop19h 50mLATAM Airlines
Sun 7/1211:50SDU - LHR
2 stops23h 15mLATAM Airlines
Deal found 5/11£803
Thu 20/1116:05LHR - SDU
2 stops20h 20mMultiple Airlines
Thu 27/1114:00SDU - LHR
1 stop21h 05mMultiple Airlines
Deal found 5/11£810
Tue 30/1220:15LHR - SDU
2 stops24h 30mLATAM Airlines
Tue 27/121:20SDU - LHR
2 stops37h 45mLATAM Airlines
Deal found 5/11£815
Thu 20/1113:55LHR - SDU
2 stops22h 30mMultiple Airlines
Sat 6/1221:20SDU - LHR
2 stops37h 45mMultiple Airlines
Deal found 5/11£819
Thu 27/1120:15LHR - SDU
1 stop20h 00mLATAM Airlines
Sat 13/1211:50SDU - LHR
2 stops23h 15mLATAM Airlines
Deal found 6/11£847
Sun 16/1110:00LHR - SDU
2 stops33h 40mUnited Airlines
Tue 25/1113:45SDU - LHR
2 stops42h 30mUnited Airlines
Deal found 5/11£849
Wed 3/1210:00LGW - SDU
2 stops33h 40mAir Europa
Wed 10/1208:10SDU - LGW
2 stops21h 50mAir Europa
Deal found 5/11£851
Sun 23/1107:10LHR - SDU
2 stops33h 05mMultiple Airlines
Sun 7/1211:50SDU - LHR
2 stops23h 15mMultiple Airlines
Deal found 5/11£855
Thu 20/1107:50LGW - SDU
2 stops27h 30mMultiple Airlines
Sat 6/1220:05SDU - LGW
2 stops17h 20mMultiple Airlines
Deal found 5/11£857
Mon 29/1220:15LHR - SDU
2 stops21h 10mLATAM Airlines
Mon 26/121:20SDU - LHR
2 stops37h 45mLATAM Airlines
Deal found 5/11£858
Sun 30/1109:15LHR - SDU
2 stops55h 00mLATAM Airlines
Sun 7/1221:20SDU - LHR
2 stops37h 45mLATAM Airlines
Deal found 6/11£862

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 7 November 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

LCY - SDU

LCYSDU

London City

Wed 11/3

08:25-07:40

2 stops50h 15m

Rio de Janeiro Santos Dumont

Wed 18/3

11:25-16:10

2 stops25h 45m

£752

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 16/2

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Mon 23/2

21:20-14:05

2 stops37h 45m

£773

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 17/2

08:25-07:35

2 stops50h 10m

Rio de Janeiro Santos Dumont

Tue 24/2

08:15-10:55

2 stops23h 40m

£797

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Mon 9/2

16:45-07:35

2 stops41h 50m

Rio de Janeiro Santos Dumont

Mon 23/2

11:25-16:10

2 stops25h 45m

£798

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Mon 16/3

16:45-07:40

2 stops41h 55m

Rio de Janeiro Santos Dumont

Sun 22/3

08:30-10:55

2 stops47h 25m

£801

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 17/4

21:20-11:15

2 stops17h 55m

Rio de Janeiro Santos Dumont

Sun 26/4

20:20-15:05

1 stop14h 45m

£803

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Mon 23/2

17:05-07:40

2 stops41h 35m

Rio de Janeiro Santos Dumont

Sun 8/3

08:30-16:10

2 stops28h 40m

£807

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Fri 20/3

17:25-20:15

2 stops29h 50m

Rio de Janeiro Santos Dumont

Tue 24/3

08:15-16:25

2 stops29h 10m

£810

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 12/3

17:45-09:35

2 stops42h 50m

Rio de Janeiro Santos Dumont

Thu 26/3

11:25-14:55

2 stops24h 30m

£810

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Tue 10/3

10:00-16:45

2 stops33h 45m

Rio de Janeiro Santos Dumont

Tue 24/3

08:15-09:00

2 stops21h 45m

£810

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 58 results
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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
No data available for this route at this time. Please check back soon.

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 7 November 2025.
Read through reviews of airlines operating flights from London to Rio de Janeiro Santos Dumont Airport, such as LATAM Airlines and ITA Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Boarding

7.6

Crew

8.0

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
LATAM Airlines
7.5
Good
1,872 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Boarding

7.6

Crew

8.0

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP
ITA Airways
6.7
Okay
1,081 reviews
LATAM Airlines
7.5
Good
1,872 reviews
Check prices

Comfort

7.3

Boarding

7.6

Crew

8.0

Food

6.7

Overall

7.5

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

MIA - GRU

Terrible baggage service! Almost lost my connection flight in SP

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.

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

    Airlines like ITA Airways, LATAM Airlines, and Turkish Airlines fly from London to Rio de Janeiro Santos Dumont Airport in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 34h 05m. The distance from London to Rio de Janeiro Santos Dumont Airport is about 5750 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

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Yes, we can. To see specific flights from London to Santos Dumont with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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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