Cheap flights from London Heathrow Airport to Rio de Janeiro from £423

In general, March is the cheapest month to fly from London Heathrow Airport to Rio de Janeiro. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £808. If you’re not able to fly to Rio de Janeiro in March, then May is your next best option. Flight prices from London Heathrow Airport to Rio de Janeiro during May average around £830.

The cheapest day to depart from London Heathrow Airport to Rio de Janeiro is on a Tuesday when prices can be found for as low as £990. The most expensive day to fly to Rio de Janeiro is Saturday, with ticket prices averaging around £1,141.

Fly from London Heathrow to Rio de Janeiro–Galeão Intl for the best London Heathrow - Rio de Janeiro flight prices

You are more likely to see cheaper flights to Rio de Janeiro from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Rio de Janeiro for around £984 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rio de Janeiro from London Heathrow Airport for as low as £753 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport to Rio de Janeiro flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 17% on your flight if you consider stops on a London Heathrow Airport to Rio de Janeiro flight.

KLM, United Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from London Heathrow to Rio de Janeiro

British Airways, Lufthansa and TAP AIR PORTUGAL are the top three most popular airlines that fly to Rio de Janeiro from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Rio de Janeiro. Keep in mind that there are 10 different airlines that fly to Rio de Janeiro on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between London and Rio de Janeiro have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 27% of momondo users choosing one-stop flights on this route connected there.

Flights via Toronto (YYZ) offer the lowest average return price of £721.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 15h 05m.

Rome (FCO) has the shortest average stopover time for this route: 1h 37m.

The number of flights available between London Heathrow Airport and Rio de Janeiro is 3 per day as of September 2026. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.

As of September 2026, there are 21 flights per week flying from London Heathrow Airport to Rio de Janeiro. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.