Cheap flights from Rio de Janeiro to London from $521

The month of May is, on average, the cheapest month to fly to London Heathrow Airport from Rio de Janeiro, with most prices found around $431. If you’re not able to fly to London Heathrow Airport in May, then September is your next best option. Flight prices from Rio de Janeiro to London Heathrow Airport during September average around $453.

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $915. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,524.

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

You are more likely to see cheaper flights to London Heathrow Airport from Rio de Janeiro when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,142 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Rio de Janeiro for as low as $965 on momondo.

You could potentially save up to 26% on your flight if you consider stops on a Rio de Janeiro to London Heathrow Airport flight.

Historically, on average around 7% of flights between Rio de Janeiro and London have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

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

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

According to our data, British Airways have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

3 flights are operational daily from Rio de Janeiro to London Heathrow Airport as of May 2026. The most popular departure time for this route is 4:00PM, with 100% of flights per day taking off in the afternoon.

As of May 2026, 21 flights take off from Rio de Janeiro and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.