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Cheap flights from London to Rio de Janeiro Santos Dumont Airport, Brazil from £424

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
2 Mar — 9 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 31 January 2026.

Mon 2/316:45
LCY
-
SDU
2 stops41h 55m
Multiple Airlines
Mon 9/313:50
SDU
-
LCY
2 stops42h 05m
Multiple Airlines
Deal found 29/1£686
Sun 1/316:45
LCY
-
SDU
2 stops41h 55m
Multiple Airlines
Sun 15/308:30
SDU
-
LCY
2 stops47h 25m
Multiple Airlines
Deal found 30/1£687
Wed 25/216:45
LCY
-
SDU
2 stops27h 00m
ITA Airways
Tue 17/308:15
SDU
-
LCY
2 stops47h 40m
ITA Airways
Deal found 30/1£694
Sun 8/316:45
LCY
-
SDU
2 stops27h 00m
ITA Airways
Sun 15/308:30
SDU
-
LCY
2 stops47h 25m
ITA Airways
Deal found 29/1£694
Sun 8/316:45
LCY
-
SDU
2 stops51h 00m
Multiple Airlines
Sun 15/308:30
SDU
-
LCY
2 stops47h 25m
Multiple Airlines
Deal found 29/1£697
Sat 7/311:30
LCY
-
SDU
2 stops56h 15m
ITA Airways
Tue 17/308:15
SDU
-
LCY
2 stops47h 40m
ITA Airways
Deal found 29/1£702
Mon 9/320:50
LHR
-
SDU
3 stops28h 35m
Multiple Airlines
Mon 13/413:45
SDU
-
LHR
2 stops21h 50m
Multiple Airlines
Deal found 29/1£722
Mon 4/521:20
LHR
-
SDU
1 stop15h 15m
LATAM Airlines
Mon 18/520:15
SDU
-
LHR
1 stop14h 50m
LATAM Airlines
Deal found 29/1£732
Mon 16/310:00
LGW
-
SDU
2 stops24h 05m
Multiple Airlines
Mon 30/307:45
SDU
-
LGW
2 stops21h 15m
Multiple Airlines
Deal found 31/1£734
Mon 16/313:40
LHR
-
SDU
2 stops20h 25m
Multiple Airlines
Mon 23/313:50
SDU
-
LHR
2 stops21h 45m
Multiple Airlines
Deal found 30/1£739
Tue 17/208:25
LCY
-
SDU
2 stops50h 10m
ITA Airways
Thu 12/308:15
SDU
-
LCY
2 stops47h 40m
ITA Airways
Deal found 30/1£742
Tue 10/316:20
LHR
-
SDU
2 stops27h 25m
United Airlines
Tue 24/313:50
SDU
-
LHR
2 stops37h 05m
United Airlines
Deal found 30/1£745

Find 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 31 January 2026.

Round-trip from

£686

One-way from

£424

Popular in

July

Cheapest in

September

Average price

£1,007
2/3-9/3
  • 2/3-9/3
  • 4 total stops
  • 84h 00m total
  • London to Rio de Janeiro
Search Deals
4/5
  • 4/5
  • 2 total stops
  • 39h 15m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£192 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 31 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

Sun 1/3

16:45-07:40

2 stops41h 55m

Rio de Janeiro Santos Dumont

Sun 15/3

08:30-10:55

2 stops47h 25m

£687

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Wed 25/2

16:45-16:45

2 stops27h 00m

Rio de Janeiro Santos Dumont

Tue 17/3

08:15-10:55

2 stops47h 40m

£694

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sun 8/3

16:45-16:45

2 stops27h 00m

Rio de Janeiro Santos Dumont

Sun 15/3

08:30-10:55

2 stops47h 25m

£694

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sun 8/3

16:45-16:45

2 stops51h 00m

Rio de Janeiro Santos Dumont

Sun 15/3

08:30-10:55

2 stops47h 25m

£697

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sat 14/3

11:30-16:45

2 stops56h 15m

Rio de Janeiro Santos Dumont

Tue 24/3

08:15-10:55

2 stops47h 40m

£702

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sat 7/3

11:30-16:45

2 stops56h 15m

Rio de Janeiro Santos Dumont

Tue 17/3

08:15-10:55

2 stops47h 40m

£702

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 10/3

16:20-16:45

2 stops27h 25m

Rio de Janeiro Santos Dumont

Tue 24/3

13:50-05:55

2 stops37h 05m

£745

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 10/3

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Tue 24/3

20:05-14:05

1 stop15h 00m

£757

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 20/4

14:10-16:45

2 stops30h 35m

Rio de Janeiro Santos Dumont

Mon 4/5

13:45-06:55

2 stops37h 10m

£757

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 29/4

14:10-16:45

2 stops30h 35m

Rio de Janeiro Santos Dumont

Sun 10/5

14:50-07:40

2 stops36h 50m

£758

Flights are sorted by cheapest return flights first.

Deals found on 30/1

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 31 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
1,917 reviews
Check prices

Overall

7.5

Crew

8.0

Boarding

7.5

Entertainment

7.0

Food

6.7

Comfort

7.3

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
1,917 reviews
LATAM Airlines
7.5
Good
1,917 reviews
Check prices

Overall

7.5

Crew

8.0

Boarding

7.5

Entertainment

7.0

Food

6.7

Comfort

7.3

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, United Airlines, and LATAM 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 11h 15m. 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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When you search for this flight from London to Santos Dumont, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Santos Dumont?

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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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