Ontario, CA ONT to San Diego, CA SAN Flights

Cheap plane tickets from Ontario, CA to San Diego, CA can start from as little as $61 (€50) when you book in advance. The average flight ticket price for Ontario, CA to San Diego, CA is $201 (€162); however, prices vary depending on the time of day and class and they tend to be more expensive on the day.

The average journey time by plane from Ontario, CA to San Diego, CA is 3 h 23 min   to travel the 97 mile (156 km) long journey, with around there are 18 flights per day. Journey times can vary on weekends and holidays.

The earliest flight from Ontario, CA to San Diego, CA leaves at 12: 40AM. Plan your trip with the Journey Planner   from Omio.

The latest flight from Ontario, CA to San Diego, CA leaves at 11: 55PM.

The cheapest month for a flight from Ontario, CA to San Diego, CA is July.

It's helpful to compare your options as there are 2 ways to travel to San Diego, CA from Ontario, CA including taking a bus or flight.

Since neither Ontario, CA nor San Diego, CA 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.

The best events to attend in San Diego, CA include:

• Comic-Con International, the largest comic book and popular arts convention in the world
• San Diego County Fair, a month-long fair featuring rides, games, and local food
• San Diego Beer Week, a celebration of craft beer with tastings and events across the county
• La Jolla Music Festival, an annual event showcasing classical music performances in a picturesque coastal setting.

The best holidays to experience in San Diego, CA include:

• Memorial Day, ideal weather for beach activities and outdoor events
• Independence Day, spectacular fireworks and patriotic celebrations
• Labor Day, perfect for enjoying the last days of summer at the beach
• Thanksgiving, a time for family gatherings with pleasant fall weather.

The best seasons to visit San Diego, CA are Spring or Fall. The best weather to explore San Diego, CA 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.