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Cheap flights from London to Rio de Janeiro Santos Dumont Airport, Brazil from £445

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SDU
23 Mar — 30 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 21 February 2026.

Tue 26/510:30
LHR
-
SDU
2 stops49h 10m
ITA Airways
Tue 9/613:45
SDU
-
LHR
2 stops39h 55m
ITA Airways
Deal found 21/2£695
Wed 18/306:00
LHR
-
SDU
2 stops28h 15m
Multiple Airlines
Mon 23/320:05
SDU
-
LHR
2 stops22h 30m
Multiple Airlines
Deal found 19/2£697
Sun 7/610:30
LHR
-
SDU
2 stops49h 10m
ITA Airways
Mon 15/613:45
SDU
-
LHR
2 stops21h 55m
ITA Airways
Deal found 19/2£698
Sun 10/510:30
LHR
-
SDU
2 stops49h 10m
ITA Airways
Tue 26/513:45
SDU
-
LHR
2 stops39h 55m
ITA Airways
Deal found 18/2£699
Tue 10/316:45
LCY
-
SDU
2 stops41h 55m
Multiple Airlines
Tue 24/313:50
SDU
-
LCY
2 stops23h 20m
Multiple Airlines
Deal found 17/2£701
Thu 26/208:20
LCY
-
SDU
2 stops50h 35m
Multiple Airlines
Sun 1/314:50
SDU
-
LCY
2 stops46h 20m
Multiple Airlines
Deal found 20/2£702
Sat 18/416:30
LHR
-
SDU
2 stops22h 40m
ITA Airways
Sun 26/408:30
SDU
-
LHR
2 stops45h 10m
ITA Airways
Deal found 18/2£703
Mon 9/308:00
LGW
-
SDU
3 stops35h 45m
Multiple Airlines
Sun 15/308:30
SDU
-
LGW
3 stops33h 45m
Multiple Airlines
Deal found 21/2£704
Thu 19/308:20
LCY
-
SDU
2 stops35h 25m
ITA Airways
Thu 26/308:15
SDU
-
LCY
2 stops47h 40m
ITA Airways
Deal found 19/2£704
Thu 9/416:30
LHR
-
SDU
2 stops28h 15m
Multiple Airlines
Thu 23/408:30
SDU
-
LHR
2 stops21h 10m
Multiple Airlines
Deal found 20/2£707
Sun 3/510:30
LHR
-
SDU
2 stops58h 15m
ITA Airways
Mon 11/513:45
SDU
-
LHR
2 stops39h 55m
ITA Airways
Deal found 19/2£708
Sat 7/320:15
LGW
-
SDU
2 stops28h 35m
Multiple Airlines
Thu 12/317:25
SDU
-
LGW
2 stops26h 10m
Multiple Airlines
Deal found 21/2£708

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 21 February 2026.

Round-trip from

£695

One-way from

£445

Popular in

July

Cheapest in

September

Average price

£889
ITA Airways
  • ITA Airways
  • 26/5-9/6
  • 4 total stops
  • 89h 05m total
  • London to Rio de Janeiro
Search Deals
9/5
  • 9/5
  • 3 total stops
  • 38h 40m total
  • London to Rio de Janeiro
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£197 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 21 February 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

Wed 18/3

11:30-07:40

3 stops47h 10m

Rio de Janeiro Santos Dumont

Tue 24/3

13:50-16:10

2 stops23h 20m

£701

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Wed 11/3

16:45-16:45

2 stops27h 00m

Rio de Janeiro Santos Dumont

Wed 25/3

08:15-10:55

2 stops23h 40m

£701

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 10/3

16:45-07:40

2 stops41h 55m

Rio de Janeiro Santos Dumont

Tue 24/3

13:50-16:10

2 stops23h 20m

£701

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Thu 19/3

08:20-16:45

2 stops35h 25m

Rio de Janeiro Santos Dumont

Thu 26/3

08:15-10:55

2 stops47h 40m

£704

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 7/5

10:30-07:55

2 stops49h 25m

Rio de Janeiro Santos Dumont

Sun 17/5

08:30-09:40

2 stops45h 10m

£713

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Mon 9/3

16:45-16:45

2 stops27h 00m

Rio de Janeiro Santos Dumont

Thu 26/3

13:50-16:10

2 stops23h 20m

£726

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Mon 9/3

16:45-16:45

2 stops27h 00m

Rio de Janeiro Santos Dumont

Wed 25/3

08:15-10:55

2 stops23h 40m

£726

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 9/6

16:30-07:40

2 stops43h 10m

Rio de Janeiro Santos Dumont

Wed 17/6

08:15-09:40

2 stops21h 25m

£738

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 9/3

10:00-16:45

2 stops33h 45m

Rio de Janeiro Santos Dumont

Sun 15/3

14:50-21:20

2 stops27h 30m

£746

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 16/3

12:50-16:45

2 stops30h 55m

Rio de Janeiro Santos Dumont

Tue 24/3

13:50-21:20

2 stops28h 30m

£749

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 56 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 21 February 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
1,921 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Overall

7.5

Boarding

7.5

Food

6.7

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
1,921 reviews
LATAM Airlines
7.5
Good
1,921 reviews
Check prices

Crew

8.0

Comfort

7.3

Entertainment

7.0

Overall

7.5

Boarding

7.5

Food

6.7

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 Air Europa fly from London to Rio de Janeiro Santos Dumont Airport in about 27h. The time it takes to get you to your destination can typically vary by up to 6h 45m. The distance from London to Rio de Janeiro Santos Dumont Airport is about 5765 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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