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 offers the lowest fares from Sofia to Boston?

Flights via Munich (MUC) offer the lowest average round-trip price of $625.

What airlines fly to Boston?

Lufthansa, KLM and United Airlines 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 44% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 9 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

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

Amsterdam (AMS) was the most common stop: 32% of momondo users choosing 1-stop flights on this route connected there.

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

Lufthansa and Air Serbia are the most popular carriers operating from Sofia to Boston Logan Intl

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

Vienna (VIE) has the shortest average layover time for this route: 1h 56m.

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 9 operators available for flights from Sofia Airport to Boston Logan Intl Airport as of August 2025.

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.

$337 Cheap Flights from Sofia to Boston in 2025

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Find the cheapest flights from Sofia to Boston

Round-trip

One-way

Last minute

Cheap round-trip flights

4:45 pm - 8:55 pmSOF-BOS

35h 10m1 stop

10:40 pm - 11:30 pmBOS-SOF

17h 50m1 stop

$534

Find Deal

lun., dic. 15 - lun., ene. 12

4:45 pm - 8:55 pmSOF-BOS

35h 10m1 stop

10:40 pm - 11:30 pmBOS-SOF

17h 50m1 stop

$535

Find Deal

lun., dic. 15 - jue., ene. 15

9:15 pm - 7:40 pmSOF-BOS

29h 25m1 stop

8:00 pm - 9:15 amBOS-SOF

30h 15m1 stop

$556Turkish Airlines

Find Deal

mié., oct. 8 - mié., nov. 12

3:35 pm - 7:40 pmSOF-BOS

35h 05m1 stop

8:00 pm - 9:15 amBOS-SOF

30h 15m1 stop

$560Turkish Airlines

Find Deal

mié., oct. 8 - mié., nov. 12

2:05 pm - 8:10 pmSOF-BOS

13h 05m1 stop

4:20 pm - 6:15 pmBOS-SOF

18h 55m1 stop

$566Lufthansa

Find Deal

mié., oct. 8 - mar., nov. 25

2:05 pm - 8:10 pmSOF-BOS

13h 05m1 stop

4:20 pm - 6:15 pmBOS-SOF

18h 55m1 stop

$575Lufthansa

Find Deal

mié., oct. 8 - mar., nov. 25

2:05 pm - 8:10 pmSOF-BOS

13h 05m1 stop

11:59 am - 1:15 pmBOS-SOF

18h 16m2 stops

$583United Airlines

Find Deal

mié., oct. 8 - mar., nov. 25

2:05 pm - 8:10 pmSOF-BOS

13h 05m1 stop

3:40 pm - 1:50 pmBOS-SOF

15h 10m2 stops

$584United Airlines

Find Deal

mié., oct. 8 - mié., nov. 12

9:00 pm - 10:55 pmSOF-BOS

31h 55m1 stop

9:35 pm - 1:00 pmBOS-SOF

32h 25m1 stop

$588British Airways

Find Deal

mié., oct. 29 - vie., nov. 14

2:30 pm - 10:55 pmSOF-BOS

14h 25m1 stop

9:35 pm - 1:00 pmBOS-SOF

32h 25m1 stop

$617British Airways

Find Deal

dom., oct. 26 - vie., nov. 14

Lufthansa flights from Sofia to Boston

Our best Lufthansa deals on Sofia to Boston flight tickets

Lufthansa

Oct 8

SOF2:05 pmSofia

13h 05m

1 stop

BOS8:10 pmBoston Logan Intl

Nov 25

BOS4:20 pmBoston Logan Intl

18h 55m

1 stop

SOF6:15 pmSofia

$566

Find similar

Lufthansa

Oct 8

SOF2:05 pmSofia

13h 05m

1 stop

BOS8:10 pmBoston Logan Intl

Nov 25

BOS4:20 pmBoston Logan Intl

18h 55m

1 stop

SOF6:15 pmSofia

$575

Find similar

Lufthansa

Sep 6

SOF6:15 amSofia

16h 40m

1 stop

BOS3:55 pmBoston Logan Intl

Sep 22

BOS8:05 pmBoston Logan Intl

15h 35m

1 stop

SOF6:40 pmSofia

$576

Find similar

United Airlines flights from Sofia to Boston

Our best United Airlines deals on Sofia to Boston flight tickets

United Airlines

Oct 8

SOF2:05 pmSofia

13h 05m

1 stop

BOS8:10 pmBoston Logan Intl

Nov 25

BOS11:59 amBoston Logan Intl

18h 16m

2 stops

SOF1:15 pmSofia

$583

Find similar

United Airlines

Oct 8

SOF2:05 pmSofia

13h 05m

1 stop

BOS8:10 pmBoston Logan Intl

Nov 12

BOS3:40 pmBoston Logan Intl

15h 10m

2 stops

SOF1:50 pmSofia

$584

Find similar

United Airlines

Sep 13

SOF6:15 amSofia

20h 55m

1 stop

BOS8:10 pmBoston Logan Intl

Oct 8

BOS2:36 pmBoston Logan Intl

14h 24m

2 stops

SOF12:00 pmSofia

$587

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

lun. 12/15

4:45 pm-8:55 pm

1 stop35h 10m

Boston Logan Intl

lun. 1/12

10:40 pm-11:30 pm

1 stop17h 50m

$534

SofiaBoston

SOF - BOS

SOFBOS

Sofia

lun. 12/15

4:45 pm-8:55 pm

1 stop35h 10m

Boston Logan Intl

jue. 1/15

10:40 pm-11:30 pm

1 stop17h 50m

$535

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 10/8

9:15 pm-7:40 pm

1 stop29h 25m

Boston Logan Intl

mié. 11/12

8:00 pm-9:15 am

1 stop30h 15m

$556

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 10/8

3:35 pm-7:40 pm

1 stop35h 05m

Boston Logan Intl

mié. 11/12

8:00 pm-9:15 am

1 stop30h 15m

$560

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 10/8

2:05 pm-8:10 pm

1 stop13h 05m

Boston Logan Intl

mar. 11/25

4:20 pm-6:15 pm

1 stop18h 55m

$566

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 10/8

2:05 pm-8:10 pm

1 stop13h 05m

Boston Logan Intl

mar. 11/25

4:20 pm-6:15 pm

1 stop18h 55m

$575

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 10/8

2:05 pm-8:10 pm

1 stop13h 05m

Boston Logan Intl

mar. 11/25

11:59 am-1:15 pm

2 stops18h 16m

$583

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 10/8

2:05 pm-8:10 pm

1 stop13h 05m

Boston Logan Intl

mié. 11/12

3:40 pm-1:50 pm

2 stops15h 10m

$584

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 10/29

9:00 pm-10:55 pm

1 stop31h 55m

Boston Logan Intl

vie. 11/14

9:35 pm-1:00 pm

1 stop32h 25m

$588

SofiaBoston

SOF - BOS

SOFBOS

Sofia

dom. 10/26

2:30 pm-10:55 pm

1 stop14h 25m

Boston Logan Intl

vie. 11/14

9:35 pm-1:00 pm

1 stop32h 25m

$617

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, January 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 $595. If you aren’t able to travel during the month of January, then book flights to Boston from Sofia during September instead. Flights to Boston in September, while not as cheap as those in January, still average around $600.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Sofia to Boston is on a Thursday when prices can be found for as low as $644. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $752.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Sofia to Boston in the afternoon for as low as $596. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $709 per ticket.

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 $685 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 $538 on momondo.

How have Sofia to Boston flight prices changed over time?

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

Direct flights	None

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

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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 11h 35m.
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 9 operators available for flights from Sofia Airport to Boston Logan Intl Airport as of August 2025.
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 (33% of total bookings). The next most popular airlines are KLM (18%), United Airlines (13%), and Turkish Airlines (10%).

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
British Airways	PriceFrom $518	Free Cancellation	Rating 6.7 7,305 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $520	Free Cancellation	Rating 7.3 3,953 reviews	Search Turkish Airlines flights
SWISS	PriceFrom $525	Free Cancellation	Rating 7.6 1,710 reviews	Search SWISS flights
Air France	PriceFrom $538	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
KLM	PriceFrom $545	Free Cancellation	Rating 7.8 1,388 reviews	Search KLM flights
Austrian Airlines	PriceFrom $567	Free Cancellation	Rating 7.6 835 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $573	Free Cancellation	Rating 7.4 8,940 reviews	Search United Airlines flights
Lufthansa	PriceFrom $580	Free Cancellation	Rating 6.8 7,359 reviews	Search Lufthansa flights
ITA Airways	PriceFrom $819	Free Cancellation	Rating 6.7 1,024 reviews	Search ITA Airways flights

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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.