Bucharest (OTP) to Sofia (SOF) at a glance

Choose from a range of airlines offering flights from Bucharest (OTP) to Sofia (SOF) on this international short-haul route. Evaluate options from full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel desires as you delve into Sofia’s renowned attractions and neighborhoods. Here, you’ll find essential information for flights departing from Henri Coanda International Airport (OTP) to Sofia Airport (SOF).

• Fastest flight duration: around 1h 15m non-stop
• Route distance: roughly 200 miles (320 km)
• Flights per week: around 7 departures on average
• Typical fares (one-way): economy tickets often range from $100–$245, depending on seasonality and how far ahead you book

Flights from Henri Coanda International Airport (OTP) to Sofia Airport (SOF)

Based on the latest traveler bookings, here are the top airlines preferred for flights from Bucharest to Sofia, offering both non-stop and one-stop options. Common layover spots include Vienna International Airport (VIE) with a layover of about 2 hours, Eleftherios Venizelos Airport (ATH) at approximately 1 hour and 45 minutes, and Istanbul Airport (IST) with a 2 hour and 15-minute connection. These choices allow you to tailor your itinerary by balancing price, total travel time, and cabin class.

• Tarom-Romanian Air Transport: This full-service airline provides non-stop flights, with one-way ticket prices generally falling between $125 and $255. It operates about 76% of departures for this route, featuring a total travel duration of 1 hour and 15 minutes.
• Austrian Airlines: Operating as a full-service carrier, Austrian Airlines offers one-stop flights with one-way fares typically ranging from $105 to $275. It constitutes around 11% of the flights on this route, with an in-flight duration of 3 hours and 15 minutes and a total journey time of approximately 5 hours, including layover.
• Turkish Airlines: As a full-service airline providing one-stop services, Turkish Airlines' one-way fares typically range from $180 to $280. This carrier accounts for about 4% of the departures on this route, featuring an in-flight time of 3 hours and 15 minutes, with an overall journey time of roughly 5 hours (including layover).
• Aegean: Aegean is a full-service airline that offers one-stop flights, with one-way fares usually between $100 and $180. This airline represents around 4% of the departures on this route, with an in-flight duration of 3 hours and 15 minutes and a total travel time of about 5 hours, factoring in a layover.

Travelers flying from Bucharest to Sofia have the option to upgrade their experience, as Tarom-Romanian Air Transport provides business class service on this route.

Best time to fly from Bucharest (OTP) to Sofia (SOF)

The most popular months for travelers flying from Bucharest to Sofia are May, June, and September, when peak temperatures in Sofia reach up to 64.9°F in June. If you prefer quieter travel, consider April, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 49.6°F. For better deals, January usually offers the lowest average one-way fare around $149. Flight availability peaks in May, June, August, September, and October, with approximately 8 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: January usually offers good deals with average one-way fare around $149, roughly 14% cheaper than the yearly average.
• More budget-friendly months to fly: March and October typically offer average one-way fares of around $158.
• Most flight options: May, June, August, September, and October have the highest number of flights from Bucharest to Sofia, with approximately 8 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	30.2°F (-1.0°C)	Average	7	$149
February	34.3°F (1.3°C)	Low	7	$179
March	40.8°F (4.9°C)	Average	7	$155
April	49.6°F (9.8°C)	Low	7	$166
May	57.7°F (14.3°C)	High	8	$183
June	64.9°F (18.3°C)	High	8	$201
July	70.0°F (21.1°C)	Average	7	$184
August	70.7°F (21.5°C)	Average	8	$185
September	62.6°F (17.0°C)	High	8	$172
October	52.2°F (11.2°C)	Average	8	$162
November	43.7°F (6.5°C)	Average	7	$178
December	34.2°F (1.2°C)	Low	7	$177

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to find the best prices for flights from Bucharest (OTP) to Sofia (SOF)

Getting some of the best deals on flights from Bucharest to Sofia is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, coinciding with when most travelers make their reservations. Morning departures, between 5 AM and 12 PM, not only tend to be less expensive but are also the most popular. Additionally, flying on Tuesday often provides lower prices, while Monday remains the busiest travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sofia Airport from Henri Coanda International Airport

Sofia welcomes travelers from Bucharest with a range of transport options based on price, convenience, and proximity. For departures, Henri Coanda International Airport is roughly a 20-minute drive (covering about 12 miles) from central Bucharest. Here's how to reach Sofia efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Sofia, with private rides that can be arranged in advance.
• Car rental: Renting a car from Sofia Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sofia Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Sofia Airport, several key transport links are conveniently accessible by car. The Sofia Airport Terminal 2 Station, a metro station, is located about 0.7 miles from the airport, while Sofia Seaport, a seaport, is approximately 4.6 miles away. Additionally, Sofia Central Station, a train station, is situated about 5 miles from the airport.