What airlines fly to Boston?

Lufthansa, Turkish Airlines and KLM are the top three most popular airlines that fly to Boston from Sofia according to our data. Lufthansa is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 7 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Sofia to Boston Logan Intl?

British Airways is the most popular carrier operating from Sofia to Boston Logan Intl

Which airport is the most popular layover for flights between Sofia and Boston?

Amsterdam (AMS) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Sofia to Boston?

Flights via London (LHR) offer the lowest average round-trip price of $531.

Which layover airport has the shortest travel time from Sofia to Boston?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 11h 54m.

Which layover airport has the shortest connection time from Sofia to Boston?

Vienna (VIE) has the shortest average layover time for this route: 1h 49m.

When did momondo last update prices for flights from Sofia Airport to Boston Logan Intl Airport?

Prices for flights from Sofia Airport to Boston Logan Intl Airport are updated daily.

How many operators does momondo search for flights from Sofia Airport to Boston Logan Intl Airport?

There are 7 operators available for flights from Sofia Airport to Boston Logan Intl Airport as of January 2026.

How old do you have to be to fly from Sofia Airport to Boston Logan Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Boston Logan Intl Airport.

What documentation or ID do you need to fly to Boston Logan Intl Airport?

The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$387 Cheap Flights from Sofia to Boston in 2026

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Find the cheapest flights from Sofia to Boston

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4:45 pm - 8:55 pm

SOF

BOS

35h 10m1 stop

10:40 pm - 3:40 pm

BOS

SOF

34h 00m2 stops

$502Multiple Airlines

Mon, Jan 26 - Tue, Mar 3

11:15 pm - 8:55 pm

SOF

BOS

52h 40m2 stops

5:10 pm - 11:35 am

BOS

SOF

11h 25m1 stop

$559Multiple Airlines

Sat, Feb 14 - Sun, Mar 1

5:25 pm - 7:02 pm

SOF

BOS

32h 37m2 stops

7:00 pm - 8:10 pm

BOS

SOF

18h 10m2 stops

$593British Airways

Mon, Jan 26 - Tue, Mar 3

11:15 pm - 8:55 pm

SOF

BOS

52h 40m2 stops

8:40 pm - 10:45 pm

BOS

SOF

19h 05m1 stop

$613Multiple Airlines

Sat, Feb 14 - Sun, Mar 1

12:05 pm - 7:45 pm

SOF

BOS

14h 40m1 stop

7:00 pm - 4:20 pm

BOS

SOF

14h 20m2 stops

$617British Airways

Sat, Feb 14 - Sun, Mar 1

7:15 pm - 8:10 pm

SOF

BOS

31h 55m2 stops

10:45 am - 6:20 pm

BOS

SOF

24h 35m2 stops

$619Multiple Airlines

Sat, Feb 14 - Sun, Mar 1

9:30 pm - 6:59 pm

SOF

BOS

28h 29m2 stops

9:55 pm - 7:10 pm

BOS

SOF

14h 15m1 stop

$622British Airways

Wed, Jun 17 - Sun, Jul 5

9:30 pm - 9:29 pm

SOF

BOS

30h 59m2 stops

9:55 pm - 7:10 pm

BOS

SOF

14h 15m1 stop

$623British Airways

Wed, Jun 17 - Sun, Jul 5

2:35 pm - 2:45 pm

SOF

BOS

31h 10m2 stops

5:10 pm - 11:35 pm

BOS

SOF

23h 25m3 stops

$624Multiple Airlines

Mon, Jan 26 - Tue, Mar 3

12:05 pm - 11:59 pm

SOF

BOS

18h 54m2 stops

7:00 pm - 4:20 pm

BOS

SOF

14h 20m2 stops

$628British Airways

Sat, Feb 14 - Sun, Mar 1

British Airways flights from Sofia to Boston

Our best British Airways deals on Sofia to Boston flight tickets

British Airways

Jan 26

SOF5:25 pmSofia

32h 37m

2 stops

BOS7:02 pmBoston Logan Intl

Mar 3

BOS7:00 pmBoston Logan Intl

18h 10m

2 stops

SOF8:10 pmSofia

$593

British Airways

Feb 14

SOF12:05 pmSofia

14h 40m

1 stop

BOS7:45 pmBoston Logan Intl

Mar 1

BOS7:00 pmBoston Logan Intl

14h 20m

2 stops

SOF4:20 pmSofia

$617

British Airways

Jun 17

SOF9:30 pmSofia

28h 03m

2 stops

BOS6:33 pmBoston Logan Intl

Jul 7

BOS7:25 amBoston Logan Intl

30h 15m

1 stop

SOF8:40 pmSofia

$622

United Airlines flights from Sofia to Boston

Our best United Airlines deals on Sofia to Boston flight tickets

United Airlines

Jun 14

SOF1:50 pmSofia

13h 20m

1 stop

BOS8:10 pmBoston Logan Intl

Jul 7

BOS8:05 pmBoston Logan Intl

20h 05m

1 stop

SOF11:10 pmSofia

$689

United Airlines

Jun 19

SOF6:20 amSofia

16h 20m

1 stop

BOS3:40 pmBoston Logan Intl

Aug 7

BOS8:05 pmBoston Logan Intl

20h 05m

1 stop

SOF11:10 pmSofia

$690

United Airlines

Jun 21

SOF6:20 amSofia

16h 20m

1 stop

BOS3:40 pmBoston Logan Intl

Jul 14

BOS6:00 amBoston Logan Intl

22h 00m

2 stops

SOF11:00 amSofia

$691

Fly from

Fly to

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 1/26

4:45 pm-8:55 pm

1 stop35h 10m

Boston Logan Intl

Tue 3/3

10:40 pm-3:40 pm

2 stops34h 00m

$502

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 2/14

11:15 pm-8:55 pm

2 stops52h 40m

Boston Logan Intl

Sun 3/1

5:10 pm-11:35 am

1 stop11h 25m

$559

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 1/26

5:25 pm-7:02 pm

2 stops32h 37m

Boston Logan Intl

Tue 3/3

7:00 pm-8:10 pm

2 stops18h 10m

$593

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 2/14

11:15 pm-8:55 pm

2 stops52h 40m

Boston Logan Intl

Sun 3/1

8:40 pm-10:45 pm

1 stop19h 05m

$613

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 2/14

12:05 pm-7:45 pm

1 stop14h 40m

Boston Logan Intl

Sun 3/1

7:00 pm-4:20 pm

2 stops14h 20m

$617

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 2/14

7:15 pm-8:10 pm

2 stops31h 55m

Boston Logan Intl

Sun 3/1

10:45 am-6:20 pm

2 stops24h 35m

$619

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 6/17

9:30 pm-6:59 pm

2 stops28h 29m

Boston Logan Intl

Sun 7/5

9:55 pm-7:10 pm

1 stop14h 15m

$622

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 6/17

9:30 pm-9:29 pm

2 stops30h 59m

Boston Logan Intl

Sun 7/5

9:55 pm-7:10 pm

1 stop14h 15m

$623

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 1/26

2:35 pm-2:45 pm

2 stops31h 10m

Boston Logan Intl

Tue 3/3

5:10 pm-11:35 pm

3 stops23h 25m

$624

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 2/14

12:05 pm-11:59 pm

2 stops18h 54m

Boston Logan Intl

Sun 3/1

7:00 pm-4:20 pm

2 stops14h 20m

$628

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sofia to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Boston?

In general, February is the cheapest month to fly from Sofia to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $612. If you aren’t able to travel during the month of February, then book flights to Boston from Sofia during March instead. Flights to Boston in March, while not as cheap as those in February, still average around $643.

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $713 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Sofia for as low as $520 on momondo.

Can stopping save me money on Sofia to Boston flights?

You could potentially save up to 31% on your flight if you consider stops on a Sofia to Boston flight.

How have Sofia to Boston flight prices changed over time?

As of January 2026, prices for Sofia to Boston flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Sofia to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Boston according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sofia to Boston (SOF to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Boston

Fastest flight time	12h 45m
Direct flights	None

The fastest flight from Sofia to Boston takes 12h 45m

There are no direct flights from Sofia to Boston. There are no popular flight routes from Sofia to Boston.

Search flight deals

How far is Sofia to Boston Logan Intl by plane?
The distance between Sofia and Boston Logan Intl is about 4519.3 mi. In terms of flight time, this usually takes a little over 12h 45m.
When did momondo last update prices for flights from Sofia Airport to Boston Logan Intl Airport?
Prices for flights from Sofia Airport to Boston Logan Intl Airport are updated daily.
How many operators does momondo search for flights from Sofia Airport to Boston Logan Intl Airport?
There are 7 operators available for flights from Sofia Airport to Boston Logan Intl Airport as of January 2026.
How old do you have to be to fly from Sofia Airport to Boston Logan Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sofia to Boston?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sofia to Boston is Lufthansa (39% of total bookings). The next most popular airlines are Turkish Airlines (18%), KLM (14%), and United Airlines (14%).

Best airlines flying from Sofia to Boston

Compare and see reviews for airlines that fly from Sofia to Boston with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $533	Free Cancellation	Rating 7.3 4,154 reviews	Search Turkish Airlines flights
Air France	PriceFrom $538	Free Cancellation	Rating 7.4 1,519 reviews	Search Air France flights
KLM	PriceFrom $556	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
United Airlines	PriceFrom $586	Free Cancellation	Rating 7.4 9,142 reviews	Search United Airlines flights
Lufthansa	PriceFrom $587	Free Cancellation	Rating 6.8 7,698 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $588	Free Cancellation	Rating 7.6 889 reviews	Search Austrian Airlines flights
ITA Airways	PriceFrom $819	Free Cancellation	Rating 6.7 1,126 reviews	Search ITA Airways flights

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Old Orchard Beach

Hampton

York Beach

Plymouth

Kennebunkport

South Yarmouth

Cambridge

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Gloucester

Falmouth

Nashua

Laconia

Brockton

Concord

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Sturbridge

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Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Boston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from Sofia.

Can I find flights from Sofia to Boston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Boston from Sofia with this policy.

How can momondo help me find flights from Sofia to Boston?

momondo helps you find the best flight between Sofia and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sofia to Boston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sofia to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.