Cheap flights from Sao Paulo to London from $411

The cheapest month to fly to London from Sao Paulo is in March. Flight prices, which tend to average around $839, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Sao Paulo averaging around $882.

The cheapest day to depart from Sao Paulo to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $1,040. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,269. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Sao Paulo in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,134 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,201. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Sao Paulo Guarulhos Intl to London Heathrow for the best Sao Paulo - London flight prices

You are more likely to see cheaper flights to London from Sao Paulo when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,069 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sao Paulo for as low as $1,002 on momondo.

There are 3 cabin classes available to choose from on Sao Paulo 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 6% on your flight if you consider stops on a Sao Paulo to London flight.

As of June 2026, prices for Sao Paulo to London flights are approximately 12% more expensive when compared to flights at the same time last year.

Historically, on average around 20% of flights between Sao Paulo and London have experienced a delay on any given week. The average delay length over the past 12 months has been 142 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening 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. Monday 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 13% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 43% of momondo users choosing 1-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average round-trip price of $743.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 14h 40m.

Zurich (ZRH) has the shortest average layover time for this route: 1h 28m.

As of June 2026, 10 flights take off from Sao Paulo and land in London each day. The most common flight departure time for this route is 11:00PM, with 75% of daily flights taking off in the evening.

As of June 2026, there are 74 flights per week flying from Sao Paulo to London. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.