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Cheap flights from Rio de Janeiro Santos Dumont Airport to London from $391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to London departing on 12/7. 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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Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 5:30 pmSDU-LHR
24h 30m2 stops
Multiple Airlines Logo
1:40 pm - 9:25 amLHR-SDU
46h 45m2 stops
$927Multiple Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 17
Multiple Airlines Logo
2:00 pm - 5:30 pmSDU-LHR
24h 30m2 stops
Multiple Airlines Logo
1:40 pm - 9:25 amLHR-SDU
46h 45m2 stops
$955Multiple Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 17
LATAM Airlines Logo
5:40 pm - 2:05 pmSDU-LHR
17h 25m1 stop
LATAM Airlines Logo
8:15 pm - 11:40 amLHR-SDU
18h 25m1 stop
$1,089LATAM Airlines
Find Deal
Fri, Nov 14 - Fri, Nov 21
LATAM Airlines Logo
11:50 am - 2:05 pmSDU-LHR
23h 15m2 stops
LATAM Airlines Logo
8:15 pm - 9:25 amLHR-SDU
16h 10m1 stop
$1,095LATAM Airlines
Find Deal
Sun, Nov 30 - Sun, Dec 7
United Airlines Logo
1:45 pm - 5:55 amSDU-LHR
37h 10m2 stops
United Airlines Logo
4:20 pm - 4:40 pmLHR-SDU
27h 20m2 stops
$1,329United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
1:45 pm - 7:55 amSDU-LHR
39h 10m2 stops
United Airlines Logo
12:05 pm - 4:40 pmLHR-SDU
31h 35m2 stops
$1,330United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
TAP AIR PORTUGAL Logo
11:35 am - 12:40 pmSDU-LHR
22h 05m2 stops
TAP AIR PORTUGAL Logo
8:15 am - 2:10 pmLHR-SDU
32h 55m2 stops
$1,376TAP AIR PORTUGAL
Find Deal
Mon, Dec 8 - Mon, Dec 29
TAP AIR PORTUGAL Logo
1:40 pm - 12:40 pmSDU-LHR
20h 00m2 stops
TAP AIR PORTUGAL Logo
6:30 pm - 5:45 pmLHR-SDU
26h 15m2 stops
$1,448TAP AIR PORTUGAL
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Mon, Dec 8 - Sat, Dec 27
Ethiopian Air Logo
11:20 am - 6:35 amSDU-LHR
40h 15m2 stops
Ethiopian Air Logo
8:15 pm - 7:35 amLHR-SDU
38h 20m2 stops
$1,776Ethiopian Air
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Mon, Jan 12 - Sun, Jan 18
Ethiopian Air Logo
8:10 am - 6:35 amSDU-LHR
43h 25m2 stops
Ethiopian Air Logo
8:15 pm - 7:35 amLHR-SDU
38h 20m2 stops
$1,924Ethiopian Air
Find Deal
Mon, Dec 15 - Mon, Jan 5

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

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to London flight tickets
LATAM Airlines
Nov 14
SDU5:40 pmRio de Janeiro Santos Dumont
17h 25m
1 stop
LHR2:05 pmLondon Heathrow
Nov 21
LHR8:15 pmLondon Heathrow
18h 25m
1 stop
SDU11:40 amRio de Janeiro Santos Dumont
$1,089
Find similar
LATAM Airlines
Nov 30
SDU11:50 amRio de Janeiro Santos Dumont
23h 15m
2 stops
LHR2:05 pmLondon Heathrow
Dec 7
LHR8:15 pmLondon Heathrow
16h 10m
1 stop
SDU9:25 amRio de Janeiro Santos Dumont
$1,095
Find similar
LATAM Airlines
Nov 30
SDU8:55 amRio de Janeiro Santos Dumont
26h 10m
1 stop
LHR2:05 pmLondon Heathrow
Dec 7
LHR8:15 pmLondon Heathrow
16h 10m
1 stop
SDU9:25 amRio de Janeiro Santos Dumont
$1,112
Find similar

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

Our best United Airlines deals on Rio de Janeiro Santos Dumont Airport to London flight tickets
United Airlines
Nov 11
SDU1:45 pmRio de Janeiro Santos Dumont
37h 10m
2 stops
LHR5:55 amLondon Heathrow
Nov 23
LHR10:25 amLondon Heathrow
33h 15m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$1,168
Find similar
United Airlines
Nov 14
SDU1:45 pmRio de Janeiro Santos Dumont
37h 10m
2 stops
LHR5:55 amLondon Heathrow
Nov 16
LHR4:20 pmLondon Heathrow
27h 20m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$1,329
Find similar
United Airlines
Nov 14
SDU1:45 pmRio de Janeiro Santos Dumont
39h 10m
2 stops
LHR7:55 amLondon Heathrow
Nov 16
LHR12:05 pmLondon Heathrow
31h 35m
2 stops
SDU4:40 pmRio de Janeiro Santos Dumont
$1,330
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to London 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 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Sat 2/7

2:00 pm-5:30 pm

2 stops24h 30m

London Heathrow

Tue 2/17

1:40 pm-9:25 am

2 stops46h 45m

$927

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Sat 2/7

2:00 pm-5:30 pm

2 stops24h 30m

London Heathrow

Tue 2/17

1:40 pm-9:25 am

2 stops46h 45m

$955

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Fri 11/14

5:40 pm-2:05 pm

1 stop17h 25m

London Heathrow

Fri 11/21

8:15 pm-11:40 am

1 stop18h 25m

$1,089

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Sun 11/30

11:50 am-2:05 pm

2 stops23h 15m

London Heathrow

Sun 12/7

8:15 pm-9:25 am

1 stop16h 10m

$1,095

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Fri 11/14

1:45 pm-5:55 am

2 stops37h 10m

London Heathrow

Sun 11/16

4:20 pm-4:40 pm

2 stops27h 20m

$1,329

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Fri 11/14

1:45 pm-7:55 am

2 stops39h 10m

London Heathrow

Sun 11/16

12:05 pm-4:40 pm

2 stops31h 35m

$1,330

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 12/8

11:35 am-12:40 pm

2 stops22h 05m

London Heathrow

Mon 12/29

8:15 am-2:10 pm

2 stops32h 55m

$1,376

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 12/8

1:40 pm-12:40 pm

2 stops20h 00m

London Heathrow

Sat 12/27

6:30 pm-5:45 pm

2 stops26h 15m

$1,448

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 1/12

11:20 am-6:35 am

2 stops40h 15m

London Heathrow

Sun 1/18

8:15 pm-7:35 am

2 stops38h 20m

$1,776

Rio de JaneiroLondon

SDU - LHR

SDULHR

Rio de Janeiro Santos Dumont

Mon 12/15

8:10 am-6:35 am

2 stops43h 25m

London Heathrow

Mon 1/5

8:15 pm-7:35 am

2 stops38h 20m

$1,924

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Rio de Janeiro Santos Dumont Airport to London

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 cheapest day to depart on your flight to London?

The cheapest day to depart from Rio de Janeiro Santos Dumont Airport to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $915. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,512. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Rio de Janeiro Santos Dumont Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $877 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $1,268. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 37% on your flight if you consider stops on a Rio de Janeiro Santos Dumont Airport to London flight.

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

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

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

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

Direct flights

None
There are no direct flights from Rio de Janeiro Santos Dumont Airport to London. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to London.
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  • How far is Rio de Janeiro Santos Dumont to London by plane?

    Rio de Janeiro Santos Dumont and London are 5760.3 mi apart from one another. A reasonable flight in good conditions will take 15h 00m.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rio de Janeiro Santos Dumont Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford
Harrow

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rio de Janeiro to London. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to London from Rio de Janeiro on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to London from Rio de Janeiro. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Rio de Janeiro to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport