Ontario, CA ONT to Guarulhos, SP GRU Flights

Yes, you can take a between Ontario, CA and Guarulhos, SP.

Since neither Ontario, CA nor Guarulhos, SP are in the Schengen Area, passport requirements depend on the specific immigration rules of United States and Brazil. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is a time difference of 5 h in winter and 4 h in summer between Ontario, CA and Guarulhos, SP.

The best events to attend in Guarulhos, SP include:

• Festa de São Miguel, a vibrant festival celebrating the patron saint of Guarulhos with processions, music, and traditional food
• Festival Internacional de Inverno, an annual winter festival featuring concerts, art exhibitions, and cultural performances
• Aniversário de Guarulhos, a citywide celebration with parades, fireworks, and community events marking the founding of Guarulhos.

The best holidays to experience in Guarulhos, SP include:

• Carnival, vibrant street parties and cultural festivities throughout the city
• Independence Day, patriotic celebrations with parades and fireworks
• New Year’s Eve, spectacular fireworks displays and lively beach parties.

The best season to visit Guarulhos, SP is Spring or Fall. The best weather to explore Guarulhos, SP is during May-September.

For international flights we recommend to arrive 2.5 to 3 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.