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Cheap flights from London to Rio de Janeiro Santos Dumont Airport, Brazil from £382

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
14 Dec — 21 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 14 November 2025.

Round-trip from

£739

One-way from

£382

Popular in

July

Cheapest in

January

Average price

£791
LATAM Airlines
  • LATAM Airlines
  • 17/4-26/4
  • 2 total stops
  • 31h 00m total
  • London to Rio de Janeiro
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22/1
  • 22/1
  • 2 total stops
  • 29h 20m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£270 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 14 November 2025.

Tue 25/1109:50LCY - SDU
2 stops27h 40mMultiple Airlines
Mon 1/1217:40SDU - LCY
2 stops21h 00mMultiple Airlines
Deal found 13/11£809
Tue 25/1113:30LHR - SDU
2 stops25h 05mMultiple Airlines
Mon 1/1216:50SDU - LHR
2 stops21h 55mMultiple Airlines
Deal found 13/11£812
Thu 27/1119:15LHR - SDU
2 stops45h 05mMultiple Airlines
Thu 4/1218:25SDU - LHR
1 stop16h 40mMultiple Airlines
Deal found 12/11£845
Tue 30/1220:15LHR - SDU
2 stops46h 55mLATAM Airlines
Tue 27/112:15SDU - LHR
2 stops22h 50mLATAM Airlines
Deal found 13/11£847
Wed 3/1208:25LCY - SDU
2 stops35h 15mITA Airways
Tue 9/1213:45SDU - LCY
2 stops23h 25mITA Airways
Deal found 12/11£850
Fri 28/1108:25LCY - SDU
2 stops53h 45mITA Airways
Fri 5/1208:10SDU - LCY
2 stops23h 45mITA Airways
Deal found 12/11£885
Thu 20/1120:15LHR - SDU
1 stop25h 50mLATAM Airlines
Wed 3/1218:25SDU - LHR
1 stop16h 40mLATAM Airlines
Deal found 12/11£890
Fri 21/1120:15LHR - SDU
1 stop22h 55mLATAM Airlines
Thu 4/1218:25SDU - LHR
1 stop16h 40mLATAM Airlines
Deal found 13/11£894
Sat 15/1106:35LHR - SDU
2 stops52h 00mTurkish Airlines
Sat 29/1114:00SDU - LHR
2 stops47h 00mTurkish Airlines
Deal found 13/11£894
Thu 20/1120:15LHR - SDU
1 stop18h 20mLATAM Airlines
Sun 30/1111:50SDU - LHR
2 stops23h 15mLATAM Airlines
Deal found 13/11£903
Tue 25/1107:25LHR - SDU
2 stops36h 20mUnited Airlines
Thu 4/1213:45SDU - LHR
2 stops28h 35mUnited Airlines
Deal found 12/11£904
Tue 25/1112:45LHR - SDU
2 stops27h 30mMultiple Airlines
Thu 4/1220:05SDU - LHR
1 stop15h 00mMultiple Airlines
Deal found 12/11£914

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 14 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

LGW - SDU

LGWSDU

London Gatwick

Sat 28/2

20:15-21:45

2 stops28h 30m

Rio de Janeiro Santos Dumont

Sun 8/3

20:05-23:20

3 stops24h 15m

£748

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 6/2

06:00-07:25

2 stops28h 25m

Rio de Janeiro Santos Dumont

Mon 16/2

11:10-17:00

3 stops26h 50m

£775

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

08:15-16:10

2 stops28h 55m

£790

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 7/5

17:40-16:45

2 stops27h 05m

Rio de Janeiro Santos Dumont

Thu 14/5

13:45-06:30

2 stops36h 45m

£805

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 2/2

20:15-13:15

1 stop20h 00m

Rio de Janeiro Santos Dumont

Sat 14/2

21:20-14:05

2 stops37h 45m

£806

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 30/4

17:40-16:45

2 stops27h 05m

Rio de Janeiro Santos Dumont

Tue 12/5

13:45-06:35

2 stops36h 50m

£811

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 5/2

11:30-07:35

2 stops23h 05m

Rio de Janeiro Santos Dumont

Wed 25/2

12:50-14:55

2 stops23h 05m

£817

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 7/2

06:00-09:15

2 stops30h 15m

Rio de Janeiro Santos Dumont

Wed 25/2

13:45-12:40

2 stops19h 55m

£818

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 20/1

16:45-07:35

2 stops41h 50m

Rio de Janeiro Santos Dumont

Tue 3/2

11:20-10:55

2 stops20h 35m

£825

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sat 14/2

11:35-14:20

2 stops53h 45m

Rio de Janeiro Santos Dumont

Tue 24/2

11:25-16:10

2 stops25h 45m

£831

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 57 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 14 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
1,876 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

Overall

7.5

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
1,876 reviews
LATAM Airlines
7.5
Good
1,876 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

Overall

7.5

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
1,082 reviews
LATAM Airlines
7.5
Good
1,876 reviews
Check prices

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Entertainment

7.0

Overall

7.5

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, Air Canada, 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 30h 10m. 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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