Cheap flights from Sao Paulo Guarulhos Intl Airport to London from $423

The cheapest month to fly to London from Sao Paulo Guarulhos Intl Airport is in November. Flight prices, which tend to average around $820, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Sao Paulo Guarulhos Intl Airport averaging around $824.

The cheapest day to depart from Sao Paulo Guarulhos Intl Airport to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $1,068. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,302. 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 Guarulhos Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,139 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $1,175. Departure times in the afternoon 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 Guarulhos Intl - London flight prices

You are more likely to see cheaper flights to London from Sao Paulo Guarulhos Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,032 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 Guarulhos Intl Airport for as low as $923 on momondo.

There are 3 cabin classes available to choose from on Sao Paulo Guarulhos Intl 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 17% on your flight if you consider stops on a Sao Paulo Guarulhos Intl Airport to London flight.

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

United Airlines, Air Europa, and ITA Airways are the most popular carriers operating from Sao Paulo Guarulhos Intl to London

LATAM Airlines, British Airways and TAP AIR PORTUGAL are the top three most popular airlines that fly to London from Sao Paulo Guarulhos Intl Airport according to our data. LATAM Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% 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 144 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.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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 11% of their flights experiencing any sort of delay.

Frankfurt am Main (FRA) was the most common stop: 20% of momondo users choosing 1-stop flights on this route connected there.

Flights via Munich (MUC) offer the lowest average round-trip price of $670.

Flights connecting via Lisbon (LIS) have the shortest average one-way travel time: 14h 15m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 05m.

The number of flights available between Sao Paulo Guarulhos Intl Airport and London is 10 per day as of February 2026. The most frequent departure time is 11:00PM, with 70% of daily flights leaving in the evening.

The number of flights available between Sao Paulo Guarulhos Intl Airport and London is 70 per week as of February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.