Belfast BFS to Sofia SOF flight with KLM

Cheap plane tickets from Belfast to Sofia can start from as little as $273 (€225) when you book in advance. The average flight ticket price for Belfast to Sofia is $321 (€265) ; 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 Belfast to Sofia is 18h 30m to travel the 1550 miles (2496 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 Belfast to Sofia leaves at 7:00 AM. Plan your trip with the Journey Planner from Omio.

The latest flight from Belfast to Sofia leaves at 9:00 PM.

There are 2 flights a day from Belfast to Sofia which require at least one change with KLM. Schedules can vary on holidays or weekends with fewer flights.

When taking a flight from Belfast to Sofia, you can count on KLM for the best way to get you to Sofia. You can also check all possible airlines who offer a service between Belfast and Sofia and compare the amenities they offer before buying a plane ticket.

Flights from Belfast to Sofia generally leave from George Best Belfast City Airport and arrive in Sofia Airport.George Best Belfast City Airport is 1 miles (3 km) away from Belfast city centre and Sofia Airport is 3 miles (6 km) from Sofia city centre.

The cheapest month for a flight from Belfast to Sofia is December.

Yes, you can take a flight between Belfast and Sofia.

Sofia is within the Schengen Area. Passport and visa requirements depend on your nationality. 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 2 h between Belfast and Sofia all year round.

Some of the most interesting sights to explore in Sofia are:

• Alexander Nevsky Cathedral, a stunning Orthodox cathedral known for its impressive architecture and golden domes
• Vitosha Boulevard, a vibrant pedestrian street lined with shops, cafes, and restaurants
• National Palace of Culture, a multifunctional conference and exhibition center surrounded by beautiful gardens
• Boyana Church, a UNESCO World Heritage site famous for its medieval frescoes
• Sofia Central Mineral Baths, a historic building showcasing beautiful architecture and housing a museum.

The best events to attend in Sofia include:

• Sofia International Film Festival, a prominent film festival showcasing international and Bulgarian cinema
• Sofia Music Weeks, an annual classical music festival featuring renowned orchestras and soloists
• Sofia Pride, a celebration of LGBTQ+ rights with a colorful parade and various events
• Christmas Market in Sofia, a festive market offering traditional crafts, food, and holiday entertainment.

The best holidays to experience in Sofia include:

• Easter, beautiful spring weather and traditional celebrations
• Labor Day, a public holiday with various outdoor activities and gatherings
• National Revival Day, cultural events celebrating Bulgarian heritage
• Unification Day, commemorating the unification of Bulgaria with festivities and parades.

The best things to do in Sofia include:

• Borisova Gradina, a large and scenic park ideal for leisurely walks and outdoor activities
• Sofia Zoo, one of the oldest and largest zoos in the Balkans, home to a wide variety of animals
• Sofia History Museum, offering insights into the city's rich past and cultural heritage
• Serdika Archaeological Complex, where you can explore ancient Roman ruins in the heart of the city
• Sofia Opera and Ballet, where you can enjoy world-class performances in a beautiful setting.

We recommend using the flight as it is the most popular way to get from Belfast to Sofia among Omio's users.

The best season to visit Sofia is Spring or Fall. The best weather to explore Sofia 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.

Currently, UK citizens do not need a visa for short stays (up to 90 days in a 180-day period) for tourism or business in the Schengen Area. However, the new ETIAS (European Travel Information and Authorisation System) is scheduled to launch in late 2026. Once active, this digital travel authorization will be a mandatory pre-travel requirement for all UK passport holders.

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 Bulgaria is the Bulgarian Lev (BGN). Travelers can use both cash and cards, but cash is widely preferred in smaller towns and markets, while cards are accepted in most hotels, restaurants, and larger stores in cities.

In Sofia, travelers should be cautious of pickpocketing, especially in crowded areas like markets, public transport, and popular tourist sites. Taxi scams are common; using official taxis with meters or ride-hailing apps is recommended to avoid overcharging. Avoid unlicensed guides and be wary of distraction techniques used by thieves. Overall, staying alert and securing personal belongings helps ensure a safe visit.

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.