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

Air Serbia, Lufthansa, and American Airlines are the most popular carriers operating from Bulgaria to Boston Logan Intl

How long does it take to fly to Boston?

Flight times from Bulgaria to Boston vary, but if you’re flying out of Sofia and flying into Boston (one of the most popular routes), then the duration is 14h on average. Another popular route from Bulgaria to Boston is flying from Burgas to Boston, which will take roughly 28h 50m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Boston?

Lufthansa, KLM and United Airlines are the top three most popular airlines that fly to Boston from Bulgaria 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.

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

Prices for flights from Bulgaria to Boston Logan Intl Airport refresh daily.

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

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bulgaria to Boston Logan Intl Airport.

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

The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$385 Cheap Flights from Bulgaria to Boston in 2025

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Find the cheapest flights from Bulgaria to Boston

Round-trip

One-way

Last minute

Recent round-trip flight deals from Bulgaria to Boston

6:15 am - 9:30 amSOF-BOS

34h 15m2 stops

6:00 am - 5:50 pmBOS-SOF

28h 50m2 stops

$567Air Canada

Find Deal

vie., sep. 12 - mar., sep. 16

3:35 pm - 7:40 pmSOF-BOS

35h 05m1 stop

9:35 pm - 8:35 amBOS-SOF

28h 00m1 stop

$568Turkish Airlines

Find Deal

jue., oct. 2 - jue., oct. 9

6:15 am - 4:00 pmSOF-BOS

16h 45m1 stop

8:05 pm - 6:40 pmBOS-SOF

15h 35m1 stop

$571Lufthansa

Find Deal

vie., sep. 12 - mar., sep. 16

6:15 am - 3:55 pmSOF-BOS

16h 40m1 stop

8:05 pm - 6:40 pmBOS-SOF

15h 35m1 stop

$578Lufthansa

Find Deal

sáb., sep. 6 - lun., sep. 22

6:15 am - 3:55 pmSOF-BOS

16h 40m1 stop

8:05 pm - 11:00 pmBOS-SOF

19h 55m1 stop

$581Lufthansa

Find Deal

sáb., sep. 6 - lun., sep. 22

6:15 am - 3:55 pmSOF-BOS

16h 40m1 stop

8:05 pm - 11:00 pmBOS-SOF

19h 55m1 stop

$584United Airlines

Find Deal

sáb., sep. 6 - lun., sep. 22

6:20 am - 4:00 pmSOF-BOS

16h 40m1 stop

8:05 pm - 6:40 pmBOS-SOF

15h 35m1 stop

$585Lufthansa

Find Deal

dom., sep. 7 - sáb., sep. 20

6:15 am - 3:55 pmSOF-BOS

16h 40m1 stop

6:00 am - 5:50 pmBOS-SOF

28h 50m2 stops

$586United Airlines

Find Deal

sáb., sep. 6 - lun., sep. 22

8:00 am - 1:50 pmSOF-BOS

12h 50m1 stop

6:25 pm - 5:05 pmBOS-SOF

15h 40m1 stop

$692Austrian Airlines

Find Deal

sáb., oct. 25 - vie., feb. 27

8:00 pm - 6:49 pmSOF-BOS

29h 49m2 stops

6:29 pm - 8:20 pmBOS-SOF

18h 51m2 stops

$949British Airways

Find Deal

lun., sep. 8 - sáb., sep. 13

United Airlines flights from Bulgaria to Boston

Our best United Airlines deals on Bulgaria to Boston flight tickets

United Airlines

Sep 6

SOF6:15 amSofia

16h 40m

1 stop

BOS3:55 pmBoston Logan Intl

Sep 22

BOS8:05 pmBoston Logan Intl

19h 55m

1 stop

SOF11:00 pmSofia

$584

Find similar

United Airlines

Sep 6

SOF6:15 amSofia

16h 40m

1 stop

BOS3:55 pmBoston Logan Intl

Sep 22

BOS6:00 amBoston Logan Intl

28h 50m

2 stops

SOF5:50 pmSofia

$586

Find similar

United Airlines

Sep 12

SOF6:15 amSofia

16h 45m

1 stop

BOS4:00 pmBoston Logan Intl

Sep 16

BOS2:40 pmBoston Logan Intl

15h 40m

2 stops

SOF1:20 pmSofia

$588

Find similar

Lufthansa flights from Bulgaria to Boston

Our best Lufthansa deals on Bulgaria to Boston flight tickets

Lufthansa

Sep 12

SOF6:15 amSofia

16h 45m

1 stop

BOS4:00 pmBoston Logan Intl

Sep 16

BOS8:05 pmBoston Logan Intl

15h 35m

1 stop

SOF6:40 pmSofia

$571

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

$578

Find similar

Lufthansa

Sep 6

SOF6:15 amSofia

16h 40m

1 stop

BOS3:55 pmBoston Logan Intl

Sep 22

BOS8:05 pmBoston Logan Intl

19h 55m

1 stop

SOF11:00 pmSofia

$581

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

vie. 9/12

6:15 am-9:30 am

2 stops34h 15m

Boston Logan Intl

mar. 9/16

6:00 am-5:50 pm

2 stops28h 50m

$567

SofiaBoston

SOF - BOS

SOFBOS

Sofia

jue. 10/2

3:35 pm-7:40 pm

1 stop35h 05m

Boston Logan Intl

jue. 10/9

9:35 pm-8:35 am

1 stop28h 00m

$568

SofiaBoston

SOF - BOS

SOFBOS

Sofia

vie. 9/12

6:15 am-4:00 pm

1 stop16h 45m

Boston Logan Intl

mar. 9/16

8:05 pm-6:40 pm

1 stop15h 35m

$571

SofiaBoston

SOF - BOS

SOFBOS

Sofia

sáb. 9/6

6:15 am-3:55 pm

1 stop16h 40m

Boston Logan Intl

lun. 9/22

8:05 pm-6:40 pm

1 stop15h 35m

$578

SofiaBoston

SOF - BOS

SOFBOS

Sofia

sáb. 9/6

6:15 am-3:55 pm

1 stop16h 40m

Boston Logan Intl

lun. 9/22

8:05 pm-11:00 pm

1 stop19h 55m

$581

SofiaBoston

SOF - BOS

SOFBOS

Sofia

sáb. 9/6

6:15 am-3:55 pm

1 stop16h 40m

Boston Logan Intl

lun. 9/22

8:05 pm-11:00 pm

1 stop19h 55m

$584

SofiaBoston

SOF - BOS

SOFBOS

Sofia

dom. 9/7

6:20 am-4:00 pm

1 stop16h 40m

Boston Logan Intl

sáb. 9/20

8:05 pm-6:40 pm

1 stop15h 35m

$585

SofiaBoston

SOF - BOS

SOFBOS

Sofia

sáb. 9/6

6:15 am-3:55 pm

1 stop16h 40m

Boston Logan Intl

lun. 9/22

6:00 am-5:50 pm

2 stops28h 50m

$586

SofiaBoston

SOF - BOS

SOFBOS

Sofia

sáb. 10/25

8:00 am-1:50 pm

1 stop12h 50m

Boston Logan Intl

vie. 2/27

6:25 pm-5:05 pm

1 stop15h 40m

$692

SofiaBoston

SOF - BOS

SOFBOS

Sofia

lun. 9/8

8:00 pm-6:49 pm

2 stops29h 49m

Boston Logan Intl

sáb. 9/13

6:29 pm-8:20 pm

2 stops18h 51m

$949

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 Bulgaria 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

Other information

What is the cheapest month to fly to Boston?

In general, January is the cheapest month to fly from Bulgaria 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 Bulgaria during September instead. Flights to Boston in September, while not as cheap as those in January, still average around $596.

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

The cheapest day to depart from Bulgaria 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 Bulgaria 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 Bulgaria when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $682 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Bulgaria for as low as $538 on momondo.

Cheap Bulgaria to Boston flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Bulgaria to Boston Logan Intl Airport?
Prices for flights from Bulgaria to Boston Logan Intl Airport refresh daily.
How many operators does momondo search for flights from Bulgaria to Boston Logan Intl Airport?
There are 9 operators available for flights from Bulgaria to Boston Logan Intl Airport as of August 2025.
How old do you have to be to fly from Bulgaria to Boston Logan Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bulgaria to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Bulgaria to Boston

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $518	Free Cancellation	Rating 6.7 7,289 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $520	Free Cancellation	Rating 7.3 3,949 reviews	Search Turkish Airlines flights
SWISS	PriceFrom $525	Free Cancellation	Rating 7.6 1,699 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 7.6 830 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $573	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Lufthansa	PriceFrom $580	Free Cancellation	Rating 6.8 7,337 reviews	Search Lufthansa flights
ITA Airways	PriceFrom $819	Free Cancellation	Rating 6.7 1,021 reviews	Search ITA Airways flights

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Why use momondo?

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

Finding the right flight to Boston from Bulgaria is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Bulgaria to Boston flights to just show those with flexible booking policies.

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

Once you have performed a search for Bulgaria to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Bulgaria and alert you when they change.