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Cheap flights from London to Rio de Janeiro Santos Dumont Airport, Brazil from £432

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
6 Feb — 13 Feb1
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 January 2026.

Round-trip from

£672

One-way from

£432

Popular in

July

Cheapest in

September

Average price

£1,022
26/2-8/3
  • 26/2-8/3
  • 5 total stops
  • 60h 15m total
  • London to Rio de Janeiro
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22/1
  • 22/1
  • 3 total stops
  • 52h 35m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£207 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£33 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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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 January 2026.

Thu 26/207:50LGW - SDU
2 stops28h 20mMultiple Airlines
Sun 8/310:05SDU - LGW
3 stops31h 55mMultiple Airlines
Deal found 6/1£672
Thu 26/208:25LCY - SDU
2 stops50h 30mITA Airways
Fri 13/308:15SDU - LCY
2 stops23h 40mITA Airways
Deal found 5/1£691
Sun 1/316:45LCY - SDU
2 stops50h 55mITA Airways
Sun 15/308:30SDU - LCY
2 stops28h 40mITA Airways
Deal found 6/1£702
Wed 4/320:15LHR - SDU
1 stop16h 10mLATAM Airlines
Thu 12/320:05SDU - LHR
1 stop15h 00mLATAM Airlines
Deal found 4/1£703
Mon 9/320:15LHR - SDU
1 stop16h 10mLATAM Airlines
Tue 17/320:05SDU - LHR
1 stop15h 00mLATAM Airlines
Deal found 5/1£706
Tue 3/320:15LHR - SDU
1 stop16h 10mLATAM Airlines
Tue 17/320:05SDU - LHR
2 stops17h 30mLATAM Airlines
Deal found 6/1£707
Mon 2/316:45LCY - SDU
2 stops41h 55mITA Airways
Tue 17/308:15SDU - LCY
2 stops28h 55mITA Airways
Deal found 6/1£717
Tue 3/320:15LHR - SDU
1 stop16h 10mLATAM Airlines
Thu 12/320:05SDU - LHR
1 stop15h 00mLATAM Airlines
Deal found 4/1£718
Mon 9/316:45LCY - SDU
2 stops26h 55mITA Airways
Tue 17/308:15SDU - LCY
2 stops28h 55mITA Airways
Deal found 5/1£719
Mon 23/209:55LGW - SDU
2 stops24h 10mMultiple Airlines
Tue 24/211:25SDU - LGW
2 stops32h 05mMultiple Airlines
Deal found 5/1£719
Wed 22/418:45LHR - SDU
2 stops17h 50mLATAM Airlines
Thu 7/518:45SDU - LHR
1 stop16h 20mLATAM Airlines
Deal found 5/1£722
Sat 28/220:15LGW - SDU
2 stops28h 30mMultiple Airlines
Sun 8/320:05SDU - LGW
3 stops33h 55mMultiple Airlines
Deal found 5/1£722

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 January 2026.
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

Thu 26/2

08:25-07:55

2 stops50h 30m

Rio de Janeiro Santos Dumont

Fri 13/3

08:15-10:55

2 stops23h 40m

£691

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sun 1/3

16:45-16:40

2 stops50h 55m

Rio de Janeiro Santos Dumont

Sun 15/3

08:30-16:10

2 stops28h 40m

£702

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Mon 2/3

16:45-16:40

2 stops26h 55m

Rio de Janeiro Santos Dumont

Sun 15/3

08:30-16:10

2 stops28h 40m

£723

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 3/3

16:45-16:40

2 stops26h 55m

Rio de Janeiro Santos Dumont

Sun 15/3

08:30-16:10

2 stops28h 40m

£723

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Thu 26/2

08:25-16:40

2 stops35h 15m

Rio de Janeiro Santos Dumont

Sat 21/3

07:55-16:10

2 stops29h 15m

£724

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sun 1/3

16:45-07:40

2 stops41h 55m

Rio de Janeiro Santos Dumont

Wed 11/3

08:15-16:10

2 stops28h 55m

£726

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Mon 2/3

16:45-16:40

2 stops26h 55m

Rio de Janeiro Santos Dumont

Fri 13/3

08:15-10:55

2 stops23h 40m

£748

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 3/3

16:45-16:40

2 stops26h 55m

Rio de Janeiro Santos Dumont

Fri 13/3

08:15-10:55

2 stops23h 40m

£748

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 24/2

20:15-09:35

1 stop16h 20m

Rio de Janeiro Santos Dumont

Tue 10/3

20:05-14:05

1 stop15h 00m

£753

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 24/2

16:45-16:40

2 stops50h 55m

Rio de Janeiro Santos Dumont

Tue 3/3

08:15-10:55

2 stops23h 40m

£754

Flights are sorted by cheapest return flights first.

Deals found on 6/1

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 7 January 2026.
Read through reviews of airlines operating flights from London to Rio de Janeiro Santos Dumont Airport, such as LATAM Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
LATAM Airlines
7.5
Good
1,898 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.
LATAM Airlines
7.5
Good
1,898 reviews
LATAM Airlines
7.5
Good
1,898 reviews
Check prices

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

JC,Jan 2026

FLN - GRU

Plane was late in FLN and missed connection in GRU. No alternative was given to me until 6 hours later and I was delayed by over 12 hours total.

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 Air Europa fly from London to Rio de Janeiro Santos Dumont Airport in about 16h 20m. The time it takes to get you to your destination can typically vary by up to 34h 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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