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Cheap flights from London to Rio de Janeiro from £453

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 27/9. 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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Find the cheapest flights from London to Rio de Janeiro

Cheap return flights

Logo
19:40 - 22:25LHR-SDU
29h 45m2 stops
Logo
20:05 - 14:05SDU-LHR
15h 00m1 stop
£689
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Wed, 26 Nov - Fri, 5 Dec
Logo
06:00 - 08:25LHR-SDU
29h 25m2 stops
Logo
08:30 - 12:40SDU-LHR
25h 10m2 stops
£709
Find Deal
Fri, 21 Nov - Sun, 30 Nov
ITA Airways Logo
08:25 - 07:55LCY-SDU
50h 30m2 stops
ITA Airways Logo
13:45 - 16:10SDU-LCY
23h 25m2 stops
£715ITA Airways
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Thu, 6 Nov - Thu, 13 Nov
Logo
06:00 - 09:10LHR-SDU
30h 10m2 stops
Logo
20:05 - 14:05SDU-LHR
15h 00m1 stop
£728
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Air Canada Logo
11:10 - 14:20LHR-SDU
30h 10m2 stops
Air Canada Logo
11:25 - 07:10SDU-LHR
40h 45m2 stops
£731Air Canada
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Wed, 25 Feb - Fri, 13 Mar
Air Canada Logo
11:10 - 16:45LHR-SDU
32h 35m2 stops
Air Canada Logo
13:45 - 07:10SDU-LHR
38h 25m2 stops
£731Air Canada
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Wed, 12 Nov - Wed, 19 Nov
LATAM Airlines Logo
17:25 - 09:35LHR-SDU
19h 10m2 stops
LATAM Airlines Logo
20:05 - 14:05SDU-LHR
15h 00m1 stop
£736LATAM Airlines
Find Deal
Fri, 6 Mar - Mon, 16 Mar
ITA Airways Logo
11:35 - 07:40LCY-SDU
47h 05m2 stops
ITA Airways Logo
11:25 - 16:10SDU-LCY
25h 45m2 stops
£737ITA Airways
Find Deal
Sat, 7 Feb - Mon, 16 Feb
LATAM Airlines Logo
20:15 - 09:25LHR-SDU
16h 10m1 stop
LATAM Airlines Logo
20:05 - 14:05SDU-LHR
15h 00m1 stop
£737LATAM Airlines
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Mon, 1 Dec - Mon, 8 Dec
United Airlines Logo
12:05 - 14:20LHR-SDU
29h 15m2 stops
United Airlines Logo
14:55 - 10:15SDU-LHR
40h 20m2 stops
£742United Airlines
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Sun, 1 Mar - Sun, 8 Mar

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
14 Mar
LGW10:00London Gatwick
28h 10m
2 stops
SDU11:10Rio de Janeiro Santos Dumont
21 Mar
SDU11:25Rio de Janeiro Santos Dumont
18h 35m
2 stops
LGW09:00London Gatwick
£779
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Air Europa
14 Mar
LGW10:00London Gatwick
28h 10m
2 stops
SDU11:10Rio de Janeiro Santos Dumont
21 Mar
SDU11:25Rio de Janeiro Santos Dumont
26h 00m
2 stops
LGW16:25London Gatwick
£779
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Air Europa
5 Mar
LGW17:25London Gatwick
23h 55m
2 stops
SDU14:20Rio de Janeiro Santos Dumont
17 Mar
SDU11:25Rio de Janeiro Santos Dumont
26h 00m
2 stops
LGW16:25London Gatwick
£782
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Turkish Airlines flights from London to Rio de Janeiro Santos Dumont Airport

Our best Turkish Airlines deals on London to Rio de Janeiro Santos Dumont Airport flight tickets
Turkish Airlines
4 Feb
LGW06:25London Gatwick
28h 15m
2 stops
SDU07:40Rio de Janeiro Santos Dumont
11 Mar
SDU11:25Rio de Janeiro Santos Dumont
25h 45m
2 stops
LGW16:10London Gatwick
£761
Find similar
Turkish Airlines
10 Feb
LGW06:25London Gatwick
28h 15m
2 stops
SDU07:40Rio de Janeiro Santos Dumont
14 Mar
SDU11:25Rio de Janeiro Santos Dumont
32h 10m
2 stops
LGW22:35London Gatwick
£778
Find similar
Turkish Airlines
4 Feb
LGW06:25London Gatwick
28h 15m
2 stops
SDU07:40Rio de Janeiro Santos Dumont
12 Feb
SDU11:25Rio de Janeiro Santos Dumont
42h 45m
2 stops
LGW09:10London Gatwick
£792
Find similar

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 16 September 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

Fly to

Route

Depart

Return

Price

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 26/11

19:40-22:25

2 stops29h 45m

Rio de Janeiro Santos Dumont

Fri 5/12

20:05-14:05

1 stop15h 00m

£689

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 21/11

06:00-08:25

2 stops29h 25m

Rio de Janeiro Santos Dumont

Sun 30/11

08:30-12:40

2 stops25h 10m

£709

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Thu 6/11

08:25-07:55

2 stops50h 30m

Rio de Janeiro Santos Dumont

Thu 13/11

13:45-16:10

2 stops23h 25m

£715

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 1/12

06:00-09:10

2 stops30h 10m

Rio de Janeiro Santos Dumont

Mon 8/12

20:05-14:05

1 stop15h 00m

£728

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 25/2

11:10-14:20

2 stops30h 10m

Rio de Janeiro Santos Dumont

Fri 13/3

11:25-07:10

2 stops40h 45m

£731

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Wed 12/11

11:10-16:45

2 stops32h 35m

Rio de Janeiro Santos Dumont

Wed 19/11

13:45-07:10

2 stops38h 25m

£731

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Fri 6/3

17:25-09:35

2 stops19h 10m

Rio de Janeiro Santos Dumont

Mon 16/3

20:05-14:05

1 stop15h 00m

£736

LondonRio de Janeiro

LCY - SDU

LCYSDU

London City

Sat 7/2

11:35-07:40

2 stops47h 05m

Rio de Janeiro Santos Dumont

Mon 16/2

11:25-16:10

2 stops25h 45m

£737

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Mon 1/12

20:15-09:25

1 stop16h 10m

Rio de Janeiro Santos Dumont

Mon 8/12

20:05-14:05

1 stop15h 00m

£737

LondonRio de Janeiro

LHR - SDU

LHRSDU

London Heathrow

Sun 1/3

12:05-14:20

2 stops29h 15m

Rio de Janeiro Santos Dumont

Sun 8/3

14:55-10:15

2 stops40h 20m

£742

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, January 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 £642. If you aren’t able to travel during the month of January, then book flights to Rio de Janeiro Santos Dumont Airport from London during September instead. Flights to Rio de Janeiro Santos Dumont Airport in September, while not as cheap as those in January, still average around £726.

What is the cheapest day to depart on your flight to Rio de Janeiro Santos Dumont Airport?

On average, the least expensive day to fly to Rio de Janeiro Santos Dumont Airport from London is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £714. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Rio de Janeiro Santos Dumont Airport on Saturday is £1,974.

What is the cheapest time of day to depart on your flight to Rio de Janeiro Santos Dumont Airport?

In the evening is the cheapest time of day to fly from London to Rio de Janeiro Santos Dumont Airport when you can find flight prices for as low as £1,053. Flying to Rio de Janeiro Santos Dumont Airport in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive, with an average ticket price of £1,090.

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

Direct flights

None
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.
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  • 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 16h 10m.

  • 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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