Cheap flights from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, Brazil from £436
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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Heathrow to Santos Dumont
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 11 July 2025.
Round-trip from | £759 |
---|---|
One-way from | £436 |
Popular in | December |
Cheapest in | March |
Average price | £943 |
Find flight deals from Heathrow to Santos Dumont
Cheapest flights from Heathrow to Santos DumontExplore the most affordable flight options available from Heathrow to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Heathrow to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow 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 11 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport 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 3/9
21:20-09:35
1 stop16h 15m
Rio de Janeiro Santos Dumont
Wed 17/9
21:20-15:05
2 stops37h 45m
LondonRio de Janeiro
LHR - SDU
LHRSDU
London Heathrow
Mon 8/9
06:00-20:25
2 stops18h 25m
Rio de Janeiro Santos Dumont
Thu 18/9
11:25-15:35
2 stops24h 10m
LondonRio de Janeiro
LHR - SDU
LHRSDU
London Heathrow
Wed 1/10
08:30-14:20
2 stops33h 50m
Rio de Janeiro Santos Dumont
Wed 15/10
08:20-09:35
2 stops45h 15m
LondonRio de Janeiro
LHR - SDU
LHRSDU
London Heathrow
Sun 24/8
06:10-22:15
2 stops20h 05m
LondonRio de Janeiro
LHR - SDU
LHRSDU
London Heathrow
Mon 8/9
16:40-14:20
2 stops25h 40m
LondonRio de Janeiro
LHR - SDU
LHRSDU
London Heathrow
Tue 2/9
21:20-09:35
1 stop16h 15m
LondonRio de Janeiro
LHR - SDU
LHRSDU
London Heathrow
Sat 6/9
19:50-22:20
2 stops30h 30m
LondonRio de Janeiro
LHR - SDU
LHRSDU
London Heathrow
Mon 4/8
16:40-08:40
2 stops44h 00m
Best time to book a flight from Heathrow to Santos Dumont
Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport
What is the cheapest time of day to fly from LHR to SDU?
Find hourly flight availability from Heathrow to Santos Dumont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
When flying from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 11 July 2025.
Read reviews from past customers who have flown with LATAM Airlines, United Airlines, andTurkish Airlines from London Heathrow Airport to Rio de Janeiro Santos Dumont Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Murilo,Jun 2025
SFO - LAX
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Murilo,Jun 2025
SFO - LAX
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Murilo,Jun 2025
SFO - LAX
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Murilo,Jun 2025
SFO - LAX
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Murilo,Jun 2025
SFO - LAX
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Murilo,Jun 2025
SFO - LAX
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to Santos Dumont
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Heathrow to Santos Dumont?
Deals for Heathrow to Santos Dumont flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Santos Dumont?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Santos Dumont for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Heathrow to Santos Dumont with no change fees?
Certainly. Search results for flights to Santos Dumont from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Heathrow to Santos Dumont become cheaper?
Of course! You can now track prices for flights from Heathrow to Santos Dumont and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.