San Antonio International Airport SAT to London Heathrow Airport LHR Flights

Cheap plane tickets from San Antonio International Airport to London Heathrow Airport can start from as little as $606 (€488) when you book in advance. The average flight ticket price for San Antonio International Airport to London Heathrow Airport is $628 (€506) ; 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 San Antonio International Airport to London Heathrow Airport is 12h 6m to travel the 4970 miles (8000 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.

The earliest flight from San Antonio International Airport to London Heathrow Airport leaves at 11:49 AM. Plan your trip with the Journey Planner from Omio.

The latest flight from San Antonio International Airport to London Heathrow Airport leaves at 10:49 PM.

The cheapest month for a flight from San Antonio International Airport to London Heathrow Airport is November.

Yes, you can take a flight between San Antonio International Airport and London Heathrow Airport.

Since neither San Antonio International Airport nor London Heathrow Airport are in the Schengen Area, passport requirements depend on the specific immigration rules of United States 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 a time difference of 6 h between San Antonio International Airport and London Heathrow Airport all year round.

The best events to attend in London Heathrow Airport include:

• Notting Hill Carnival, a colorful celebration of Caribbean culture with parades and music
• London Fashion Week, a major event showcasing the latest trends in fashion
• The Thames Festival, a riverside festival featuring arts, music, and food along the Thames
• New Year's Day Parade, a grand parade featuring marching bands and performers to ring in the new year.

The best holidays to experience in London Heathrow Airport include:

• Easter, mild spring weather and blooming flowers
• May Bank Holiday, pleasant temperatures and outdoor activities
• Late Summer Bank Holiday, warm weather perfect for exploring parks and attractions
• Christmas, festive decorations and holiday spirit throughout the city.

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

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.

The currency used in the United Kingdom is the British Pound Sterling (GBP). For travelers, using a card is generally more convenient and widely accepted, especially in cities and for transportation tickets, though carrying some cash can be useful for small purchases or in rural areas.

Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.