$324 Cheap Flights from Boston (BOS) to Belgrade (BEG)

Boston (BOS) to Belgrade (BEG) at a glance

Embark on an exciting journey from Boston (BOS) to Belgrade (BEG) with a range of airlines operating this international long-haul route. Explore various options, from full-service to budget carriers, to discover the itinerary that aligns with your budget, schedule, and travel preferences as you delve into Belgrade's iconic attractions and neighborhoods. Get all the essential information for flights departing from Logan International Airport (BOS) to Nikola Tesla Airport (BEG).

• Fastest flight duration: around 9 hours in-flight, plus roughly 1h 30m layover with one stop
• Route distance: roughly 4,300 miles (6,920 km)
• Flights per week: around 9 departures on average
• Typical fares (one-way): economy tickets often range from $205–$740, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Nikola Tesla Airport (BEG)

Based on recent travel bookings, here are the top airlines favored by passengers flying from Boston to Belgrade, particularly for one-stop and multi-stop flights. Common layover points include Zürich Airport, ZRH (approximately 1 hour and 15 minutes), Franz Josef Strauss International Airport, MUC (about 1 hour and 30 minutes), and Frankfurt International Airport, FRA (around 3 hours and 30 minutes). These options allow you to tailor your journey by balancing cost, total travel time, and cabin class to secure the best itinerary.

• Swiss International Air Lines: This full-service airline provides one-stop journeys, with one-way ticket prices generally between $205 and $600. It operates about 31% of flights on this route, featuring an in-flight duration of 9 hours and a total travel time of approximately 10 hours and 45 minutes, including layover.
• Lufthansa: Another full-service option, Lufthansa offers one-stop service, with one-way fares typically falling in the range of $210 to $790. This airline accounts for roughly 20% of departures on this route, with an in-flight time of 9 hours and a total journey duration of around 10 hours and 45 minutes, including layover.
• Air Serbia: A full-service airline, Air Serbia provides one-stop flights, with one-way fares usually ranging from $435 to $720. It represents about 9% of the departures for this route, featuring an in-flight time of 9 hours and a total travel duration of roughly 10 hours and 45 minutes, including a layover.
• United: Offering one-stop service as a full-service carrier, United has one-way fares that typically range from $235 to $885. It covers approximately 8% of departures on this route, with an in-flight duration of 9 hours and a total journey time of around 10 hours and 45 minutes, including layover.
• Austrian Airlines: This full-service carrier provides one-stop service, with one-way fares generally between $205 and $1035. Austrian Airlines accounts for about 7% of the departures on this route, boasting an in-flight time of 9 hours and a total travel time of approximately 10 hours and 45 minutes, including a layover.

Best time to fly from Boston (BOS) to Belgrade (BEG)

The most popular months for travelers flying from Boston to Belgrade are January, May, and October, when peak temperatures in Belgrade reach up to 63.3°F in May. If you prefer quieter travel, consider November, the least busy time to visit with temperatures around 47.8°F and typically the lowest average one-way fare (around $264). Flight availability peaks in July, with approximately 12 flights per week, making it easier to find convenient departure times. January, March, April, and October have the fewest flights, with approximately 8 flights per week.

• Cheapest time to fly: November usually offers good deals with average one-way fare around $264, roughly 38% cheaper than the yearly average.
• Most flight options: July has the highest number of flights from Boston to Belgrade, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.

*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 Boston (BOS) to Belgrade (BEG)

Getting some of the best deals on flights from Boston to Belgrade 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 often available when booking within two weeks, although most travelers tend to book their flights two to eight weeks in advance. Departures in the evening (6 PM to 12 AM) usually offer lower fares and are also the most popular times to fly. Additionally, flying on Sunday generally provides cheaper prices, even though Monday is 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.* Find Belgrade hotel and flight deals.
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 Nikola Tesla Airport from Logan International Airport

Belgrade welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Here's how to reach Belgrade efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Belgrade, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Nikola Tesla Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Nikola Tesla 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.

Boston to Belgrade Flights

The cheapest times to fly from Boston to Belgrade

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Belgrade are during the month of January. You can find some of the cheapest flights from Boston to Belgrade with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Belgrade

Sunday is one of the best days to book for cheap flights from Boston to Belgrade: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boston to Belgrade

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Belgrade in 2026. You can also book with separate airlines for your outbound and return journeys, from $324 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Belgrade flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Belgrade airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.