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Cheap flights from London to Rio de Janeiro from £435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Rio de Janeiro departing on 26/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:20 - 16:45
LCY
-
SDU
35h 25m
2 stops
Multiple Airlines Logo
09:50 - 10:55
SDU
-
LCY
22h 05m
2 stops
£692Multiple Airlines
Mon, 16 Mar - Fri, 27 Mar
ITA Airways Logo
08:20 - 16:45
LCY
-
SDU
35h 25m
2 stops
ITA Airways Logo
08:15 - 10:55
SDU
-
LCY
23h 40m
2 stops
£710ITA Airways
Tue, 10 Mar - Tue, 24 Mar
ITA Airways Logo
16:45 - 16:45
LCY
-
SDU
51h 00m
2 stops
ITA Airways Logo
08:15 - 10:55
SDU
-
LCY
47h 40m
2 stops
£712ITA Airways
Sun, 1 Mar - Thu, 12 Mar
Multiple Airlines Logo
08:20 - 16:45
LCY
-
SDU
35h 25m
2 stops
Multiple Airlines Logo
13:10 - 10:55
SDU
-
LCY
42h 45m
2 stops
£715Multiple Airlines
Thu, 26 Feb - Wed, 25 Mar
Multiple Airlines Logo
08:20 - 16:45
LCY
-
SDU
35h 25m
2 stops
Multiple Airlines Logo
09:50 - 10:55
SDU
-
LCY
22h 05m
2 stops
£717Multiple Airlines
Thu, 26 Feb - Fri, 6 Mar
LATAM Airlines Logo
20:15 - 09:25
LHR
-
SDU
16h 10m
1 stop
LATAM Airlines Logo
20:05 - 14:05
SDU
-
LHR
15h 00m
1 stop
£720LATAM Airlines
Tue, 10 Mar - Mon, 23 Mar
LATAM Airlines Logo
20:15 - 09:25
LHR
-
SDU
16h 10m
1 stop
LATAM Airlines Logo
20:05 - 16:35
SDU
-
LHR
17h 30m
2 stops
£730LATAM Airlines
Tue, 10 Mar - Mon, 23 Mar
United Airlines Logo
07:40 - 16:45
LHR
-
SDU
36h 05m
2 stops
United Airlines Logo
13:50 - 20:35
SDU
-
LHR
27h 45m
2 stops
£743United Airlines
Thu, 5 Mar - Mon, 16 Mar
United Airlines Logo
12:45 - 16:45
LHR
-
SDU
31h 00m
2 stops
United Airlines Logo
13:50 - 20:35
SDU
-
LHR
27h 45m
2 stops
£745United Airlines
Thu, 26 Feb - Fri, 6 Mar
Air Europa Logo
17:25 - 16:45
LGW
-
SDU
27h 20m
2 stops
Air Europa Logo
08:30 - 09:00
SDU
-
LGW
20h 30m
2 stops
£806Air Europa
Mon, 11 May - Sun, 17 May

Air Europa flights from London to Rio de Janeiro Santos Dumont Airport

Our best Air Europa deals on London to Rio de Janeiro Santos Dumont Airport flight tickets
Air Europa
11 May
LGW17:25London Gatwick
27h 20m
2 stops
SDU16:45Rio de Janeiro Santos Dumont
17 May
SDU08:30Rio de Janeiro Santos Dumont
27h 55m
2 stops
LGW16:25London Gatwick
£809
Air Europa
23 Apr
LGW17:25London Gatwick
27h 20m
2 stops
SDU16:45Rio de Janeiro Santos Dumont
6 May
SDU08:15Rio de Janeiro Santos Dumont
20h 45m
2 stops
LGW09:00London Gatwick
£823
Air Europa
10 Mar
LGW17:25London Gatwick
26h 20m
2 stops
SDU16:45Rio de Janeiro Santos Dumont
24 Mar
SDU08:15Rio de Janeiro Santos Dumont
21h 45m
2 stops
LGW09:00London Gatwick
£825

United Airlines flights from London to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on London to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
5 Mar
LHR07:40London Heathrow
36h 05m
2 stops
SDU16:45Rio de Janeiro Santos Dumont
16 Mar
SDU13:50Rio de Janeiro Santos Dumont
27h 45m
2 stops
LHR20:35London Heathrow
£743
United Airlines
26 Feb
LHR12:45London Heathrow
31h 00m
2 stops
SDU16:45Rio de Janeiro Santos Dumont
6 Mar
SDU13:50Rio de Janeiro Santos Dumont
27h 45m
2 stops
LHR20:35London Heathrow
£745
United Airlines
1 Mar
LHR10:25London Heathrow
33h 20m
2 stops
SDU16:45Rio de Janeiro Santos Dumont
15 Mar
SDU14:50Rio de Janeiro Santos Dumont
36h 05m
2 stops
LHR05:55London Heathrow
£746

momondo Fare Finder

 
Customise your flight search to find flights from London to Rio de Janeiro Santos Dumont Airport 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, momondo users made 279,928 searches. Data last updated 9 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

Fly to

Route

Depart

Return

Price

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Mon 16/3

08:20-16:45

2 stops35h 25m

Rio de Janeiro Santos Dumont

Fri 27/3

09:50-10:55

2 stops22h 05m

£692

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Tue 10/3

08:20-16:45

2 stops35h 25m

Rio de Janeiro Santos Dumont

Tue 24/3

08:15-10:55

2 stops23h 40m

£710

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sun 1/3

16:45-16:45

2 stops51h 00m

Rio de Janeiro Santos Dumont

Thu 12/3

08:15-10:55

2 stops47h 40m

£712

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Thu 26/2

08:20-16:45

2 stops35h 25m

Rio de Janeiro Santos Dumont

Wed 25/3

13:10-10:55

2 stops42h 45m

£715

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Thu 26/2

08:20-16:45

2 stops35h 25m

Rio de Janeiro Santos Dumont

Fri 6/3

09:50-10:55

2 stops22h 05m

£717

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 10/3

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Mon 23/3

20:05-14:05

1 stop15h 00m

£720

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Tue 10/3

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Mon 23/3

20:05-16:35

2 stops17h 30m

£730

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 5/3

07:40-16:45

2 stops36h 05m

Rio de Janeiro Santos Dumont

Mon 16/3

13:50-20:35

2 stops27h 45m

£743

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Thu 26/2

12:45-16:45

2 stops31h 00m

Rio de Janeiro Santos Dumont

Fri 6/3

13:50-20:35

2 stops27h 45m

£745

LondonRio de Janeiro

LGW - SDU

LGWSDU

London Gatwick

Mon 11/5

17:25-16:45

2 stops27h 20m

Rio de Janeiro Santos Dumont

Sun 17/5

08:30-09:00

2 stops20h 30m

£806

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rio de Janeiro from

How to get the cheapest flight ticket from London to Rio de Janeiro Santos Dumont Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Rio de Janeiro Santos Dumont Airport?

What is the cheapest month to fly to Rio de Janeiro Santos Dumont Airport?

In general, September is the cheapest month to fly from London to Rio de Janeiro Santos Dumont Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £663. If you aren’t able to travel during the month of September, then book flights to Rio de Janeiro Santos Dumont Airport from London during March instead. Flights to Rio de Janeiro Santos Dumont Airport in March, while not as cheap as those in September, still average around £787.

Can stopping save me money on London to Rio de Janeiro Santos Dumont Airport flights?

You could potentially save up to 28% on your flight if you consider stops on a London to Rio de Janeiro Santos Dumont Airport flight.

When to book flights from London to Rio de Janeiro Santos Dumont Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to Rio de Janeiro Santos Dumont Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Rio de Janeiro Santos Dumont Airport (LON to SDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Rio de Janeiro Santos Dumont Airport

Fastest flight time

17h 15m

Direct flights

None
The fastest flight from London to Rio de Janeiro Santos Dumont Airport takes 17h 15m
There are no direct flights from London to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from London to Rio de Janeiro Santos Dumont Airport.
Search flight deals

  • How far is London to Rio de Janeiro Santos Dumont by plane?

    Rio de Janeiro Santos Dumont is 5760.3 mi away from London. By plane, this route typically takes 17h 15m.

  • When did momondo last update prices for flights from London to Rio de Janeiro Santos Dumont Airport?

    Prices for flights from London to Rio de Janeiro Santos Dumont Airport are updated daily.

  • How old do you have to be to fly from London to Rio de Janeiro Santos Dumont Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Rio de Janeiro Santos Dumont Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro Santos Dumont Airport?

    The travel and health documents you'll need for your trip to Rio de Janeiro Santos Dumont Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Rio de Janeiro Santos Dumont Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to Rio de Janeiro Santos Dumont Airport?

Why use momondo?

Why should I use momondo to find a flight deal from London to Rio de Janeiro?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Rio de Janeiro for you.

Can I find flights from London to Rio de Janeiro with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Rio de Janeiro flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Rio de Janeiro?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rio de Janeiro from London.

I’m not ready to book a flight from London to Rio de Janeiro right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Rio de Janeiro from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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