Cheap flights from Rio de Janeiro to London from $521

The cheapest month to fly to London from Rio de Janeiro is in November. Flight prices, which tend to average around $822, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Rio de Janeiro averaging around $912.

The cheapest day to depart from Rio de Janeiro 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 $1,578. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

You are more likely to see cheaper flights to London from Rio de Janeiro when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,102 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Rio de Janeiro for as low as $862 on momondo.

There are 3 cabin classes available to choose from on Rio de Janeiro to London 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 44% on your flight if you consider stops on a Rio de Janeiro to London flight.

Historically, on average around 8% 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 176 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. Sunday 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 8% of their flights experiencing any sort of delay.

Madrid (MAD) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Madrid (MAD) offer the lowest average round-trip price of $822.

Flights connecting via Sao Paulo (GRU) have the shortest average one-way travel time: 15h 30m.

Sao Paulo (GRU) has the shortest average layover time for this route: 3h 03m.

3 flights are operational daily from Rio de Janeiro to London as of March 2026. The most popular departure time for this route is 6:00PM, with 100% of flights per day taking off in the evening.

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