London LON to Southampton SOU Flights

It's helpful to compare your options as there are 2 ways to travel between London and Southampton including taking a train and bus.

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

There is no time difference between London and Southampton.

The best events to attend in Southampton include:

• Mayflower 400, commemorating the 400th anniversary of the Mayflower's voyage
• Southampton Boat Show, a showcase of the latest in marine and boating products
• Southampton International Film Festival, celebrating independent films from around the world
• Christmas Market, a festive market featuring local crafts and seasonal food.

The best holidays to experience in Southampton include:

• Easter, mild spring weather and blooming flowers
• May Bank Holiday, long weekend perfect for outdoor activities
• Summer Bank Holiday, warm weather ideal for beach outings and local events
• Christmas Day, a time for family gatherings and festive spirit.

The best season to visit Southampton is Spring or Summer. The best weather to explore Southampton is during May-June or September-October.

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.