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

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

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 46% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 8 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 13h 10m on average. Another popular route from Bulgaria to Boston is flying from Burgas to Boston, which will take roughly 31h 45m. 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 8 operators available for flights from Bulgaria to Boston Logan Intl Airport as of December 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.

$409 Cheap Flights from Bulgaria to Boston in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Bulgaria to Boston

Round-trip

One-way

Last minute

Recent round-trip flight deals from Bulgaria to Boston

Enter your travel dates to find the best prices.

4:50 pm - 8:55 pm

SOF

BOS

35h 05m1 stop

10:40 pm - 11:15 pm

BOS

SOF

17h 35m1 stop

$558Multiple Airlines

Fri, Jan 16 - Thu, Jan 29

11:15 am - 8:55 pm

SOF

BOS

40h 40m2 stops

10:40 pm - 11:15 pm

BOS

SOF

17h 35m1 stop

$570Multiple Airlines

Wed, Jan 14 - Thu, Jan 29

7:15 pm - 8:55 pm

SOF

BOS

32h 40m2 stops

10:40 pm - 11:15 pm

BOS

SOF

17h 35m1 stop

$577Multiple Airlines

Fri, Jan 16 - Thu, Jan 29

11:15 am - 8:55 pm

SOF

BOS

40h 40m2 stops

10:40 pm - 11:15 pm

BOS

SOF

17h 35m1 stop

$578Multiple Airlines

Wed, Jan 14 - Thu, Jan 22

6:50 pm - 9:05 pm

SOF

BOS

33h 15m1 stop

10:50 pm - 1:30 am

BOS

SOF

19h 40m1 stop

$622Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

6:45 am - 8:55 pm

SOF

BOS

21h 10m2 stops

11:00 pm - 1:30 am

BOS

SOF

19h 30m1 stop

$646Multiple Airlines

Sat, Jan 31 - Fri, Oct 9

6:05 am - 8:55 pm

SOF

BOS

45h 50m2 stops

5:30 pm - 1:40 pm

BOS

SOF

13h 10m1 stop

$663Multiple Airlines

Wed, Jan 28 - Fri, Oct 9

4:45 pm - 2:35 pm

SOF

BOS

28h 50m2 stops

7:25 pm - 9:45 pm

BOS

SOF

19h 20m2 stops

$670Multiple Airlines

Thu, Jan 22 - Wed, Feb 4

7:00 am - 6:30 pm

SOF

BOS

18h 30m1 stop

6:50 pm - 2:00 pm

BOS

SOF

12h 10m1 stop

$672KLM

Wed, Apr 29 - Wed, May 6

7:00 am - 4:33 pm

SOF

BOS

16h 33m1 stop

4:35 pm - 2:00 pm

BOS

SOF

14h 25m1 stop

$673KLM

Mon, May 4 - Tue, May 12

United Airlines flights from Bulgaria to Boston

Our best United Airlines deals on Bulgaria to Boston flight tickets

United Airlines

Jun 9

SOF6:10 amSofia

16h 45m

1 stop

BOS3:55 pmBoston Logan Intl

Jul 5

BOS8:05 pmBoston Logan Intl

20h 05m

1 stop

SOF11:10 pmSofia

$689

Find similar

United Airlines

Jun 8

SOF6:20 amSofia

16h 35m

1 stop

BOS3:55 pmBoston Logan Intl

Jul 4

BOS10:00 pmBoston Logan Intl

17h 50m

1 stop

SOF10:50 pmSofia

$690

Find similar

United Airlines

Jun 9

SOF6:10 amSofia

16h 45m

1 stop

BOS3:55 pmBoston Logan Intl

Jul 5

BOS8:05 pmBoston Logan Intl

20h 05m

1 stop

SOF11:10 pmSofia

$691

Find similar

KLM flights from Bulgaria to Boston

Our best KLM deals on Bulgaria to Boston flight tickets

KLM

Apr 29

SOF7:00 amSofia

18h 30m

1 stop

BOS6:30 pmBoston Logan Intl

May 6

BOS6:50 pmBoston Logan Intl

12h 10m

1 stop

SOF2:00 pmSofia

$672

Find similar

KLM

May 4

SOF7:00 amSofia

16h 33m

1 stop

BOS4:33 pmBoston Logan Intl

May 12

BOS4:35 pmBoston Logan Intl

14h 25m

1 stop

SOF2:00 pmSofia

$673

Find similar

KLM

May 4

SOF7:00 amSofia

15h 19m

2 stops

BOS3:19 pmBoston Logan Intl

May 12

BOS4:35 pmBoston Logan Intl

14h 25m

1 stop

SOF2:00 pmSofia

$678

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Fri 1/16

4:50 pm-8:55 pm

1 stop35h 05m

Boston Logan Intl

Thu 1/29

10:40 pm-11:15 pm

1 stop17h 35m

$558

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 1/14

11:15 am-8:55 pm

2 stops40h 40m

Boston Logan Intl

Thu 1/29

10:40 pm-11:15 pm

1 stop17h 35m

$570

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Fri 1/16

7:15 pm-8:55 pm

2 stops32h 40m

Boston Logan Intl

Thu 1/29

10:40 pm-11:15 pm

1 stop17h 35m

$577

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 1/14

11:15 am-8:55 pm

2 stops40h 40m

Boston Logan Intl

Thu 1/22

10:40 pm-11:15 pm

1 stop17h 35m

$578

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Tue 4/21

6:50 pm-9:05 pm

1 stop33h 15m

Boston Logan Intl

Tue 4/28

10:50 pm-1:30 am

1 stop19h 40m

$622

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 1/31

6:45 am-8:55 pm

2 stops21h 10m

Boston Logan Intl

Fri 10/9

11:00 pm-1:30 am

1 stop19h 30m

$646

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 1/28

6:05 am-8:55 pm

2 stops45h 50m

Boston Logan Intl

Fri 10/9

5:30 pm-1:40 pm

1 stop13h 10m

$663

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 1/22

4:45 pm-2:35 pm

2 stops28h 50m

Boston Logan Intl

Wed 2/4

7:25 pm-9:45 pm

2 stops19h 20m

$670

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 4/29

7:00 am-6:30 pm

1 stop18h 30m

Boston Logan Intl

Wed 5/6

6:50 pm-2:00 pm

1 stop12h 10m

$672

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 5/4

7:00 am-4:33 pm

1 stop16h 33m

Boston Logan Intl

Tue 5/12

4:35 pm-2:00 pm

1 stop14h 25m

$673

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 $611. If you aren’t able to travel during the month of January, then book flights to Boston from Bulgaria during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $631.

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 $697 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 $520 on momondo.

Can stopping save me money on Bulgaria to Boston flights?

You could potentially save up to 1% 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

Fastest flight time	13h 10m
Direct flights	None

The fastest flight from Bulgaria to Boston takes 13h 10m

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 8 operators available for flights from Bulgaria to Boston Logan Intl Airport as of December 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
Turkish Airlines	PriceFrom $533	Free Cancellation	Rating 7.3 4,100 reviews	Search Turkish Airlines flights
Air France	PriceFrom $538	Free Cancellation	Rating 7.4 1,506 reviews	Search Air France flights
KLM	PriceFrom $556	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
Lufthansa	PriceFrom $585	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
United Airlines	PriceFrom $586	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Austrian Airlines	PriceFrom $590	Free Cancellation	Rating 7.6 879 reviews	Search Austrian Airlines flights
SWISS	PriceFrom $594	Free Cancellation	Rating 7.5 1,812 reviews	Search SWISS flights
ITA Airways	PriceFrom $819	Free Cancellation	Rating 6.7 1,107 reviews	Search ITA Airways flights

Hampton Beach

Salem

Ogunquit

Old Orchard Beach

Hampton

York Beach

Plymouth

Kennebunkport

South Yarmouth

Cambridge

Narragansett

Gloucester

Nashua

Falmouth

Laconia

Brockton

Concord

Sturbridge

Everett

Chatham

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.