C$334 Cheap Flights from Boston Logan International (BOS) to Sofia (SOF)

Compare Boston Logan International to Sofia flight deals

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Flight deals from Boston Logan International Airport to Sofia Airport

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to Sofia Airport? If you want to travel next month, return fares start from C$801. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boston Logan International to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Sofia flights are currently cheapest in April.

Boston Logan International to Sofia: Alternative routes

Compare routes from Boston Logan International to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Boston to Sofia: Flight information

The things to know before you go.
Cheapest flight foundC$334
Cheapest month to flyApril

Finding cheap flights from Boston Logan International to Sofia: Frequently asked questions

The best price we found for a return flight from Boston Logan International to Sofia is C$728. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boston Logan International to Sofia. But we found flights with one or more stops from C$728.
As of April 2026, there are no flights flying from Boston Logan International to Sofia.
The cheapest month to fly from Boston Logan International to Sofia is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Sofia Airport on Tuesday, September 29, 2026.
No airlines currently offer direct flights between Boston Logan International Airport and Sofia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Turkish Airlines offers the cheapest flight tickets to Sofia.

Traveling from Logan International Airport (BOS) to Sofia Airport (SOF): what you need to know

  • Traveling during a popular month like August? Major public holidays and other popular periods can lead to longer queues and delays at checkpoints. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • If you'd like to have a stopover for your flight from Logan International Airport to Sofia Airport, simply uncheck 'Direct flights only' and explore your options. These are the top stopovers between BOS and SOF:

    • Copenhagen Airport

    • Amsterdam Airport Schiphol

    • Charles de Gaulle Airport

  • Don't forget, you may need a visa to enter Bulgaria. Visa regulations can vary and travel documentation requirements change often. Before organizing your cheap ticket from BOS to SOF, be sure to check with your airline and your destination country's local embassy or consulate for the most up-to-date information.

How to find the cheapest flights from Logan International Airport (BOS) to Sofia Airport (SOF)

  • The best price we've found for a one-way ticket from Logan International Airport to Sofia Airport is C$334. The cheapest price for a return flight is C$728. Keep in mind that fares may change due to availability at the time of booking.

  • It's usually smart to book early if you want to get cheap flight tickets from BOS to SOF. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flight tickets from Logan International Airport to Sofia Airport throughout the month. It's the best way to find a bargain if your travel plans aren't set in stone.

  • Getting a cheap ticket from BOS to SOF is easy with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Use filters to tailor your flights from Logan International Airport to Sofia Airport. Pick your preferred departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Handy information about Logan International Airport (BOS)

  • Logan International Airport is about 5 kilometres from central Boston. If you're driving, ride-sharing or catching a cab from the center, it'll take 12 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 23 minutes.

  • Catching an early flight from Logan International Airport to Sofia Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by choosing one of these hotels close to BOS:

Arriving at Sofia Airport (SOF)

Getting from Sofia Airport (SOF) to central Sofia

  • From Sofia Airport, Sofia is approximately 11 kilometres away. It takes around 16 minutes to get to the center driving.

  • It'll take around 37 minutes if you're traveling on public transport.

When to fly to Sofia Airport (SOF)

  • The quietest month for a flight from Logan International Airport to Sofia Airport is April, while August is the most popular. Choose the ideal time to visit Sofia based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Logan International Airport to Sofia Airport for August if you'd like to visit Sofia during its warmest month. You can expect temperatures of between 14ºC and 30ºC.

  • Search for cheap flight tickets from BOS to SOF in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -11ºC and 7ºC on average.

More about Sofia

  • Start your Sofia trip right by finding a fantastic place to stay. As soon as you've booked your flight from BOS to SOF, have a look at our hotel options including:

  • Every great vacation has to include some sightseeing. National Palace of Culture, Boyana Church and City Garden are must-visits when exploring Sofia.

Complete your Sofia trip with hotels and a car rental

  • You've locked in your cheap ticket to Sofia Airport — next up is finding somewhere to stay, and perhaps even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Sofia.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.