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Cheap flights from London to Rio de Janeiro Santos Dumont Airport, Brazil from £391

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
21 Nov — 28 Nov1
1 adult
1 adult, Economy

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 22 October 2025.

Round-trip from

£711

One-way from

£391

Popular in

December

Cheapest in

January

Average price

£1,054
16/3-23/3
  • 16/3-23/3
  • 4 total stops
  • 45h 30m total
  • London to Rio de Janeiro
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26/1
  • 26/1
  • 2 total stops
  • 28h 05m 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 (£36 potential savings vs. average return price).
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Average for round-trip flights in October 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 22 October 2025.

Wed 3/1216:45LCY - SDU
2 stops41h 50mITA Airways
Wed 10/1208:10SDU - LCY
2 stops23h 45mITA Airways
Deal found 21/10£726
Fri 5/1208:25LCY - SDU
2 stops53h 45mITA Airways
Thu 5/311:25SDU - LCY
2 stops44h 30mITA Airways
Deal found 22/10£740
Fri 5/1208:25LCY - SDU
2 stops53h 45mITA Airways
Wed 4/308:15SDU - LCY
2 stops28h 55mITA Airways
Deal found 21/10£743
Wed 19/1120:15LHR - SDU
1 stop16h 10mLATAM Airlines
Wed 26/1118:25SDU - LHR
1 stop16h 40mLATAM Airlines
Deal found 21/10£743
Tue 25/1120:15LHR - SDU
1 stop16h 10mLATAM Airlines
Fri 5/1220:05SDU - LHR
2 stops18h 10mLATAM Airlines
Deal found 21/10£743
Sat 1/1113:35LHR - SDU
2 stops54h 05mUnited Airlines
Wed 26/1113:45SDU - LHR
2 stops39h 10mUnited Airlines
Deal found 21/10£746
Tue 28/1016:20LHR - SDU
2 stops27h 20mUnited Airlines
Tue 4/1113:45SDU - LHR
2 stops37h 10mUnited Airlines
Deal found 21/10£747
Sat 1/1113:35LHR - SDU
2 stops54h 05mUnited Airlines
Fri 7/1113:45SDU - LHR
2 stops42h 05mUnited Airlines
Deal found 20/10£748
Tue 18/1120:15LHR - SDU
1 stop16h 10mLATAM Airlines
Tue 25/1120:05SDU - LHR
1 stop15h 00mLATAM Airlines
Deal found 20/10£753
Mon 17/1120:15LHR - SDU
1 stop20h 00mLATAM Airlines
Sun 30/1114:00SDU - LHR
1 stop21h 05mLATAM Airlines
Deal found 22/10£754
Wed 26/1120:15LHR - SDU
1 stop20h 00mLATAM Airlines
Fri 5/1220:05SDU - LHR
2 stops18h 10mLATAM Airlines
Deal found 21/10£756
Sun 16/1120:15LHR - SDU
1 stop20h 00mLATAM Airlines
Tue 25/1120:05SDU - LHR
1 stop15h 00mLATAM Airlines
Deal found 20/10£757

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 22 October 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 21/1

16:45-07:35

2 stops41h 50m

Rio de Janeiro Santos Dumont

Wed 4/2

11:20-16:10

2 stops25h 50m

£719

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 1/11

13:35-16:40

2 stops54h 05m

Rio de Janeiro Santos Dumont

Wed 26/11

13:45-07:55

2 stops39h 10m

£746

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sun 16/11

16:20-16:40

2 stops27h 20m

Rio de Janeiro Santos Dumont

Tue 25/11

13:45-05:55

2 stops37h 10m

£747

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 1/11

13:35-16:40

2 stops54h 05m

Rio de Janeiro Santos Dumont

Fri 7/11

13:45-10:50

2 stops42h 05m

£748

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 9/2

20:15-13:15

1 stop20h 00m

Rio de Janeiro Santos Dumont

Mon 23/2

21:20-14:05

2 stops37h 45m

£764

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Tue 10/3

11:45-09:25

2 stops24h 40m

Rio de Janeiro Santos Dumont

Tue 24/3

14:00-19:00

2 stops26h 00m

£769

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 18/3

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Wed 25/3

20:05-14:05

1 stop15h 00m

£778

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 4/12

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Thu 11/12

12:15-14:05

2 stops22h 50m

£792

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Wed 4/2

16:45-07:35

2 stops41h 50m

Rio de Janeiro Santos Dumont

Thu 12/2

11:20-10:55

2 stops20h 35m

£800

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Wed 12/11

08:25-16:45

2 stops35h 20m

Rio de Janeiro Santos Dumont

Wed 19/11

13:45-10:55

2 stops42h 10m

£812

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 60 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 22 October 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
1,869 reviews
Check prices

Food

6.7

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Crew

8.0

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
1,869 reviews
LATAM Airlines
7.5
Good
1,869 reviews
Check prices

Food

6.7

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Crew

8.0

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
1,074 reviews
LATAM Airlines
7.5
Good
1,869 reviews
Check prices

Food

6.7

Overall

7.5

Entertainment

7.0

Comfort

7.3

Boarding

7.6

Crew

8.0

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, United Airlines, and LATAM Airlines fly from London to Rio de Janeiro Santos Dumont Airport in about 20h. 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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Can Cheapflights find flights from London to Santos Dumont with no change fees?

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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