Ontario, CA ONT to Miami, FL MIA Flights

The earliest flight from Ontario, CA to Miami, FL leaves at 12: 30AM. Plan your trip with the Journey Planner   from Omio.

The latest flight from Ontario, CA to Miami, FL leaves at 11: 55PM.

Since neither Ontario, CA nor Miami, FL are in the Schengen Area, passport requirements depend on the specific immigration rules of USA and USA. 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 3 h between Ontario, CA and Miami, FL all year round.

The best events to attend in Miami, FL include:

• Art Basel Miami Beach, a premier international art fair showcasing contemporary artworks
• Miami International Boat Show, one of the largest boat shows in the world featuring marine products and services
• Calle Ocho Festival, a celebration of Latin culture with music, food, and dance in Little Havana
• Ultra Music Festival, a major electronic music festival attracting top DJs and fans from around the globe.

The best holidays to experience in Miami, FL include:

• Memorial Day, warm weather and the unofficial start of summer
• Independence Day, fireworks and patriotic celebrations
• Labor Day, a long weekend marking the end of summer with beach activities
• Thanksgiving, pleasant weather and a time for family gatherings.

The best seasons to visit Miami, FL are Spring or Fall. The best weather to explore Miami, FL is during April-June or September-November.

For domestic flights we recommend to arrive 1.5 to 2 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.