London Heathrow Airport LHR to Shannon SNN flight with Aer Lingus

Cheap plane tickets from London Heathrow Airport to Shannon can start from as little as $167 (€135) when you book in advance. The average flight ticket price for London Heathrow Airport to Shannon is $167 (€135) ; 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 London Heathrow Airport to Shannon is 1h 30m to travel the 366 miles (590 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 London Heathrow Airport to Shannon leaves at 10:00 AM. Plan your trip with the Journey Planner from Omio.

The latest flight from London Heathrow Airport to Shannon leaves at 3:15 PM.

Yes, there are 5 direct flights a day from London Heathrow Airport to Shannon with Aer Lingus. Schedules can vary on holidays or weekends with fewer direct flights.

When taking a flight from London Heathrow Airport to Shannon, you can count on Aer Lingus for the best way to get you to Shannon. You can also check all possible airlines who offer a service between London Heathrow Airport and Shannon and compare the amenities they offer before buying a plane ticket.

The cheapest month for a flight from London Heathrow Airport to Shannon is September.

Yes, you can take a flight between London Heathrow Airport and Shannon.

Since neither London Heathrow Airport nor Shannon are in the Schengen Area, passport requirements depend on the specific immigration rules of United Kingdom and Ireland. 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 Heathrow Airport and Shannon.

The best events to attend in Shannon include:

• Shannon International Airshow, a spectacular display of aviation excellence featuring thrilling aerial performances and military demonstrations
• Fleadh Cheoil na hÉireann, the largest traditional Irish music festival celebrating folk music and culture with competitions and performances
• Shannon Heritage's Medieval Banquet, an immersive dining experience that transports guests to the medieval era with food, entertainment, and storytelling.

The best holidays to experience in Shannon include:

• St. Patrick's Day, vibrant celebrations with parades and cultural festivities
• May Bank Holiday, pleasant weather perfect for outdoor activities and local events
• August Bank Holiday, lively atmosphere with various summer festivals and events.

The best season to visit Shannon is Spring or Summer. The best weather to explore Shannon 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.