What airlines fly to Boston?

Lufthansa, Turkish Airlines 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 40% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 5 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.

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 10m on average. Another popular route from Bulgaria to Boston is flying from Burgas to Boston, which will take roughly 28h 25m. Keep in mind that layovers or delays could extend your travel time.

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 5 operators available for flights from Bulgaria to Boston Logan Intl Airport as of November 2026.

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.

$404 Cheap Flights from Bulgaria to Boston in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bulgaria to Boston

Round-trip

One-way

Recent round-trip flight deals from Bulgaria to Boston

Enter your travel dates to find the best prices.

6:00 am - 8:30 pmSOF Sofia-BOS Boston Logan Intl

21h 30m2 stops Valencia Porto

7:50 pm - 9:35 pmBOS Boston Logan Intl-SOF Sofia

18h 45m3 stops Reykjavik Keflavik Intl Dublin London Stansted

$746Multiple Airlines

Sun, Dec 20 - Wed, Feb 24

6:30 pm - 3:05 pmSOF Sofia-BOS Boston Logan Intl

27h 35m2 stops Rome Fiumicino Lisbon Humberto Delgado

7:50 pm - 10:35 pmBOS Boston Logan Intl-SOF Sofia

19h 45m2 stops Reykjavik Keflavik Intl Dublin

$769Multiple Airlines

Wed, Dec 2 - Wed, Feb 3

9:30 am - 6:05 pmSOF Sofia-BOS Boston Logan Intl

15h 35m1 stop Istanbul

8:00 pm - 3:10 pmBOS Boston Logan Intl-SOF Sofia

12h 10m1 stop Istanbul

$770Turkish Airlines

Mon, Dec 7 - Mon, Jan 25

9:30 am - 6:05 pmSOF Sofia-BOS Boston Logan Intl

15h 35m1 stop Istanbul

8:00 pm - 3:10 pmBOS Boston Logan Intl-SOF Sofia

12h 10m1 stop Istanbul

$770Turkish Airlines

Mon, Dec 7 - Fri, Jan 22

6:25 am - 1:45 pmSOF Sofia-BOS Boston Logan Intl

14h 20m1 stop Frankfurt am Main

8:40 pm - 10:55 pmBOS Boston Logan Intl-SOF Sofia

19h 15m1 stop Munich Franz Josef Strauss

$809Lufthansa

Thu, Nov 19 - Wed, Dec 2

6:25 am - 1:45 pmSOF Sofia-BOS Boston Logan Intl

14h 20m1 stop Frankfurt am Main

8:40 pm - 10:55 pmBOS Boston Logan Intl-SOF Sofia

19h 15m1 stop Munich Franz Josef Strauss

$812Lufthansa

Thu, Nov 19 - Wed, Dec 2

6:20 am - 3:40 pmSOF Sofia-BOS Boston Logan Intl

16h 20m1 stop Frankfurt am Main

8:05 pm - 11:05 pmBOS Boston Logan Intl-SOF Sofia

20h 00m1 stop Munich Franz Josef Strauss

$834United Airlines

Mon, May 3 - Sat, May 15

6:20 am - 3:40 pmSOF Sofia-BOS Boston Logan Intl

16h 20m1 stop Frankfurt am Main

8:05 pm - 6:45 pmBOS Boston Logan Intl-SOF Sofia

15h 40m1 stop Munich Franz Josef Strauss

$834United Airlines

Mon, Apr 26 - Tue, May 18

7:55 am - 1:30 pmSOF Sofia-BOS Boston Logan Intl

12h 35m1 stop Vienna Intl

6:55 pm - 11:50 amBOS Boston Logan Intl-SOF Sofia

9h 55m1 stop Vienna Intl

$842Austrian Airlines

Tue, Nov 24 - Fri, Feb 26

7:55 am - 1:30 pmSOF Sofia-BOS Boston Logan Intl

12h 35m1 stop Vienna Intl

12:26 pm - 11:50 amBOS Boston Logan Intl-SOF Sofia

16h 24m2 stops Newark Vienna Intl

$847Austrian Airlines

Sun, Jan 10 - Sat, Feb 6

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Lufthansa flights from Bulgaria to Boston

Our best Lufthansa deals on Bulgaria to Boston flight tickets

Lufthansa

Nov 19

SOF6:25 amSofia

14h 20m

1 stop

BOS1:45 pmBoston Logan Intl

Dec 2

BOS8:40 pmBoston Logan Intl

19h 15m

1 stop

SOF10:55 pmSofia

$809

Lufthansa

Nov 19

SOF6:25 amSofia

14h 20m

1 stop

BOS1:45 pmBoston Logan Intl

Dec 2

BOS8:40 pmBoston Logan Intl

19h 15m

1 stop

SOF10:55 pmSofia

$812

Lufthansa

Nov 20

SOF6:25 amSofia

14h 20m

1 stop

BOS1:45 pmBoston Logan Intl

Dec 6

BOS8:40 pmBoston Logan Intl

19h 15m

1 stop

SOF10:55 pmSofia

$813

United Airlines flights from Bulgaria to Boston

Our best United Airlines deals on Bulgaria to Boston flight tickets

United Airlines

Apr 26

SOF6:20 amSofia

16h 20m

1 stop

BOS3:40 pmBoston Logan Intl

May 15

BOS8:05 pmBoston Logan Intl

20h 00m

1 stop

SOF11:05 pmSofia

$834

United Airlines

Apr 26

SOF6:20 amSofia

15h 32m

2 stops

BOS2:52 pmBoston Logan Intl

May 13

BOS8:05 pmBoston Logan Intl

20h 00m

1 stop

SOF11:05 pmSofia

$836

United Airlines

Apr 25

SOF6:20 amSofia

22h 13m

2 stops

BOS9:33 pmBoston Logan Intl

May 12

BOS8:05 pmBoston Logan Intl

15h 40m

1 stop

SOF6:45 pmSofia

$838

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Sun 12/20

6:00 am-8:30 pm

2 stops21h 30m

Boston Logan Intl

Wed 2/24

7:50 pm-9:35 pm

3 stops18h 45m

$746

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Wed 12/2

6:30 pm-3:05 pm

2 stops27h 35m

Boston Logan Intl

Wed 2/3

7:50 pm-10:35 pm

2 stops19h 45m

$769

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Mon 12/7

9:30 am-6:05 pm

1 stop15h 35m

Boston Logan Intl

Mon 1/25

8:00 pm-3:10 pm

1 stop12h 10m

$770

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Mon 12/7

9:30 am-6:05 pm

1 stop15h 35m

Boston Logan Intl

Fri 1/22

8:00 pm-3:10 pm

1 stop12h 10m

$770

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Thu 11/19

6:25 am-1:45 pm

1 stop14h 20m

Boston Logan Intl

Wed 12/2

8:40 pm-10:55 pm

1 stop19h 15m

$809

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Thu 11/19

6:25 am-1:45 pm

1 stop14h 20m

Boston Logan Intl

Wed 12/2

8:40 pm-10:55 pm

1 stop19h 15m

$812

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Mon 5/3

6:20 am-3:40 pm

1 stop16h 20m

Boston Logan Intl

Sat 5/15

8:05 pm-11:05 pm

1 stop20h 00m

$834

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Mon 4/26

6:20 am-3:40 pm

1 stop16h 20m

Boston Logan Intl

Tue 5/18

8:05 pm-6:45 pm

1 stop15h 40m

$834

Quickest round-trip

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Tue 11/24

7:55 am-1:30 pm

1 stop12h 35m

Boston Logan Intl

Fri 2/26

6:55 pm-11:50 am

1 stop9h 55m

$842

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Sun 1/10

7:55 am-1:30 pm

1 stop12h 35m

Boston Logan Intl

Sat 2/6

12:26 pm-11:50 am

2 stops16h 24m

$847

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, November 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 $675. If you aren’t able to travel during the month of November, then book flights to Boston from Bulgaria during January instead. Flights to Boston in January, while not as cheap as those in November, still average around $704.

How far in advance should I book a flight from Bulgaria 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 $832 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 $647 on momondo.

Can stopping save me money on Bulgaria to Boston flights?

You could potentially save up to 46% on your flight if you consider stops on a Bulgaria to Boston flight.

Cheap Bulgaria to Boston flight deals and tips

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

Best Price Found	$404
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to Boston from Bulgaria in the past 72 hours is $404. The best round-trip flight deal from Bulgaria to Boston found on momondo in the last 72 hours is $746.

The fastest flight from Bulgaria to Boston takes 14h 10m

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

Search flight deals

Frequently asked questions about flying from Bulgaria to Boston

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 5 operators available for flights from Bulgaria to Boston Logan Intl Airport as of November 2026.
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
KLM	PriceFrom $624	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Lufthansa	PriceFrom $667	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $726	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $733	Free Cancellation	Rating 7.5 982 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $753	Free Cancellation	Rating 7.3 10,476 reviews	Search United Airlines flights

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Cambridge

Revere

Hampton

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Middletown

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Warwick

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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.