Find flights
When to book
Airlines
FAQs

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
4 Jan — 11 Jan1
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 5 December 2025.

Tue 30/1220:15LHR - SDU
1 stop20h 00mLATAM Airlines
Tue 27/121:20SDU - LHR
2 stops37h 45mLATAM Airlines
Deal found 3/12£851
Sat 6/1211:30LCY - SDU
2 stops47h 05mITA Airways
Tue 16/1208:10SDU - LCY
2 stops29h 00mITA Airways
Deal found 3/12£863
Wed 31/1217:05LGW - SDU
2 stops41h 30mTurkish Airlines
Wed 25/213:45SDU - LGW
2 stops29h 50mTurkish Airlines
Deal found 4/12£879
Wed 31/1217:05LGW - SDU
2 stops41h 30mTurkish Airlines
Tue 24/214:00SDU - LGW
2 stops40h 25mTurkish Airlines
Deal found 4/12£1,022
Wed 31/1217:25LGW - SDU
2 stops24h 05mAir Europa
Tue 27/111:20SDU - LGW
2 stops26h 05mAir Europa
Deal found 4/12£1,026
Sun 28/1220:15LHR - SDU
1 stop16h 10mLATAM Airlines
Tue 10/220:05SDU - LHR
1 stop15h 00mLATAM Airlines
Deal found 3/12£1,053
Wed 31/1210:00LGW - SDU
2 stops31h 30mAir Europa
Fri 27/208:15SDU - LGW
2 stops29h 10mAir Europa
Deal found 4/12£1,056
Mon 29/1220:15LHR - SDU
1 stop16h 10mLATAM Airlines
Mon 26/121:20SDU - LHR
2 stops37h 45mLATAM Airlines
Deal found 3/12£1,081
Wed 31/1217:05LGW - SDU
2 stops41h 30mTurkish Airlines
Sat 28/217:30SDU - LGW
2 stops43h 40mTurkish Airlines
Deal found 4/12£1,087
Sun 28/1216:45LCY - SDU
2 stops24h 20mMultiple Airlines
Thu 29/111:20SDU - LCY
2 stops20h 35mMultiple Airlines
Deal found 3/12£1,098
Wed 31/1210:00LGW - SDU
2 stops31h 30mAir Europa
Fri 23/108:10SDU - LGW
2 stops29h 15mAir Europa
Deal found 4/12£1,116
Mon 15/1208:25LCY - SDU
2 stops50h 10mITA Airways
Sun 21/1214:50SDU - LCY
2 stops22h 20mITA Airways
Deal found 4/12£1,121

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 5 December 2025.

Round-trip from

£672

One-way from

£432

Popular in

July

Cheapest in

January

Average price

£1,304
23/2-9/3
  • 23/2-9/3
  • 4 total stops
  • 63h 05m total
  • London to Rio de Janeiro
Search Deals
7/2
  • 7/2
  • 2 total stops
  • 29h 55m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£236 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 December 2025
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 5 December 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

LHR - SDU

LHRSDU

London Heathrow

Tue 10/3

12:05-16:40

2 stops31h 35m

Rio de Janeiro Santos Dumont

Tue 24/3

13:45-05:55

2 stops37h 10m

£742

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Wed 18/2

16:45-14:30

2 stops24h 45m

Rio de Janeiro Santos Dumont

Wed 4/3

13:45-16:10

2 stops23h 25m

£764

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 4/5

14:25-07:40

3 stops21h 15m

Rio de Janeiro Santos Dumont

Mon 11/5

13:45-15:35

2 stops21h 50m

£779

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Thu 5/3

17:25-16:40

2 stops26h 15m

Rio de Janeiro Santos Dumont

Thu 12/3

08:15-16:25

2 stops29h 10m

£783

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 22/1

20:15-14:25

2 stops21h 10m

Rio de Janeiro Santos Dumont

Wed 18/3

14:00-14:05

1 stop21h 05m

£813

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 7/2

06:00-12:40

2 stops33h 40m

Rio de Janeiro Santos Dumont

Thu 19/2

17:25-22:40

2 stops26h 15m

£819

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Mon 11/5

10:00-16:45

2 stops34h 45m

Rio de Janeiro Santos Dumont

Sun 17/5

08:30-09:00

2 stops20h 30m

£827

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 20/1

20:15-13:50

1 stop20h 35m

Rio de Janeiro Santos Dumont

Tue 3/2

10:15-14:05

2 stops24h 50m

£830

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 26/1

17:25-09:25

2 stops19h 00m

Rio de Janeiro Santos Dumont

Thu 5/2

13:40-14:05

2 stops21h 25m

£837

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sat 18/4

13:15-11:10

2 stops25h 55m

Rio de Janeiro Santos Dumont

Sat 25/4

10:45-15:20

2 stops24h 35m

£845

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 59 results
1
2
3
...
6

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 5 December 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
1,890 reviews
Check prices

Crew

8.0

Food

6.7

Comfort

7.4

Overall

7.5

Boarding

7.6

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
1,890 reviews
LATAM Airlines
7.5
Good
1,890 reviews
Check prices

Crew

8.0

Food

6.7

Comfort

7.4

Overall

7.5

Boarding

7.6

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
1,097 reviews
LATAM Airlines
7.5
Good
1,890 reviews
Check prices

Crew

8.0

Food

6.7

Comfort

7.4

Overall

7.5

Boarding

7.6

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 United Airlines, Air Europa, and LATAM Airlines fly from London to Rio de Janeiro Santos Dumont Airport in about 21h 10m. The time it takes to get you to your destination can typically vary by up to 10h 25m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Santos Dumont?

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?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Santos Dumont for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.