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 15m on average. Another popular route from Bulgaria to Boston is flying from Burgas to Boston, which will take roughly 29h 55m. Keep in mind that layovers or delays could extend your travel time.

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 38% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 6 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 6 operators available for flights from Bulgaria to Boston Logan Intl Airport as of September 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.

$449 Cheap Flights from Bulgaria to Boston in 2026

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.

11:25 pm - 9:05 pmSOF Sofia-BOS Boston Logan Intl

28h 40m1 stop Barcelona-El Prat

11:35 pm - 11:10 amBOS Boston Logan Intl-SOF Sofia

28h 35m2 stops Barcelona-El Prat Bergamo Orio Al Serio

$524Multiple Airlines

Tue, Oct 13 - Sun, Oct 18

6:00 am - 9:05 pmSOF Sofia-BOS Boston Logan Intl

22h 05m2 stops London Luton Barcelona-El Prat

10:55 pm - 1:35 amBOS Boston Logan Intl-SOF Sofia

19h 40m1 stop Barcelona-El Prat

$658Multiple Airlines

Wed, Sep 23 - Thu, Sep 24

4:00 pm - 5:50 pmSOF Sofia-BOS Boston Logan Intl

32h 50m3 stops Belgrade Nikola Tesla Václav Havel Prague Reykjavik Keflavik Intl

7:50 pm - 11:35 pmBOS Boston Logan Intl-SOF Sofia

20h 45m2 stops Reykjavik Keflavik Intl Václav Havel Prague

$673Multiple Airlines

Sun, Nov 1 - Sun, Nov 15

9:40 am - 6:05 pmSOF Sofia-BOS Boston Logan Intl

15h 25m1 stop Istanbul

8:00 pm - 11:05 amBOS Boston Logan Intl-SOF Sofia

32h 05m1 stop Istanbul

$726Turkish Airlines

Tue, Nov 24 - Fri, Feb 26

9:40 am - 7:05 pmSOF Sofia-BOS Boston Logan Intl

16h 25m1 stop Istanbul

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

12h 10m1 stop Istanbul

$726Turkish Airlines

Sun, Nov 1 - Sun, Nov 15

9:40 am - 6:05 pmSOF Sofia-BOS Boston Logan Intl

15h 25m1 stop Istanbul

8:00 pm - 8:50 amBOS Boston Logan Intl-SOF Sofia

29h 50m1 stop Istanbul

$726Turkish Airlines

Tue, Nov 24 - Mon, Feb 22

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

14h 20m1 stop Frankfurt am Main

2:16 pm - 1:15 pmBOS Boston Logan Intl-SOF Sofia

15h 59m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

$787Lufthansa

Tue, Nov 24 - Fri, Feb 26

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

14h 20m1 stop Frankfurt am Main

7:35 pm - 10:55 pmBOS Boston Logan Intl-SOF Sofia

20h 20m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

$787Lufthansa

Tue, Dec 1 - Mon, Mar 1

1:50 pm - 8:10 pmSOF Sofia-BOS Boston Logan Intl

13h 20m1 stop Frankfurt am Main

8:05 pm - 6:40 pmBOS Boston Logan Intl-SOF Sofia

15h 35m1 stop Munich Franz Josef Strauss

$807United Airlines

Wed, Oct 7 - Sun, Oct 18

6:30 am - 3:40 pmSOF Sofia-BOS Boston Logan Intl

16h 10m1 stop Frankfurt am Main

8:05 pm - 11:15 pmBOS Boston Logan Intl-SOF Sofia

20h 10m1 stop Munich Franz Josef Strauss

$807United Airlines

Thu, Oct 8 - Tue, Oct 20

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Air Canada flights from Bulgaria to Boston

Our best Air Canada deals on Bulgaria to Boston flight tickets

Air Canada

Nov 5

SOF6:25 amSofia

23h 12m

2 stops

BOS10:37 pmBoston Logan Intl

Nov 12

BOS10:25 amBoston Logan Intl

20h 00m

2 stops

SOF1:25 pmSofia

$776

Air Canada

Jan 30

SOF2:10 pmSofia

27h 02m

2 stops

BOS10:12 amBoston Logan Intl

Feb 16

BOS3:30 pmBoston Logan Intl

14h 55m

2 stops

SOF1:25 pmSofia

$802

Air Canada

Oct 7

SOF6:20 amSofia

42h 22m

2 stops

BOS5:42 pmBoston Logan Intl

Oct 18

BOS10:40 amBoston Logan Intl

25h 00m

2 stops

SOF6:40 pmSofia

$810

United Airlines flights from Bulgaria to Boston

Our best United Airlines deals on Bulgaria to Boston flight tickets

United Airlines

Oct 7

SOF6:20 amSofia

16h 20m

1 stop

BOS3:40 pmBoston Logan Intl

Oct 20

BOS2:15 pmBoston Logan Intl

14h 55m

2 stops

SOF12:10 pmSofia

$807

United Airlines

Jan 13

SOF6:25 amSofia

14h 20m

1 stop

BOS1:45 pmBoston Logan Intl

Mar 31

BOS8:05 pmBoston Logan Intl

19h 55m

1 stop

SOF11:00 pmSofia

$808

United Airlines

Dec 17

SOF6:25 amSofia

14h 20m

1 stop

BOS1:45 pmBoston Logan Intl

Jan 3

BOS5:45 amBoston Logan Intl

24h 40m

2 stops

SOF1:25 pmSofia

$809

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Tue 10/13

11:25 pm-9:05 pm

1 stop28h 40m

Boston Logan Intl

Sun 10/18

11:35 pm-11:10 am

2 stops28h 35m

$524

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Wed 9/23

6:00 am-9:05 pm

2 stops22h 05m

Boston Logan Intl

Thu 9/24

10:55 pm-1:35 am

1 stop19h 40m

$658

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Sun 11/1

4:00 pm-5:50 pm

3 stops32h 50m

Boston Logan Intl

Sun 11/15

7:50 pm-11:35 pm

2 stops20h 45m

$673

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Tue 11/24

9:40 am-6:05 pm

1 stop15h 25m

Boston Logan Intl

Fri 2/26

8:00 pm-11:05 am

1 stop32h 05m

$726

Quickest round-trip

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Sun 11/1

9:40 am-7:05 pm

1 stop16h 25m

Boston Logan Intl

Sun 11/15

8:00 pm-3:10 pm

1 stop12h 10m

$726

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Tue 11/24

9:40 am-6:05 pm

1 stop15h 25m

Boston Logan Intl

Mon 2/22

8:00 pm-8:50 am

1 stop29h 50m

$726

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Tue 11/24

6:25 am-1:45 pm

1 stop14h 20m

Boston Logan Intl

Fri 2/26

2:16 pm-1:15 pm

2 stops15h 59m

$787

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Tue 12/1

6:25 am-1:45 pm

1 stop14h 20m

Boston Logan Intl

Mon 3/1

7:35 pm-10:55 pm

2 stops20h 20m

$787

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Wed 10/7

1:50 pm-8:10 pm

1 stop13h 20m

Boston Logan Intl

Sun 10/18

8:05 pm-6:40 pm

1 stop15h 35m

$807

SofiaBoston

SOF Sofia - BOS Boston Logan Intl

SOFBOS

Sofia

Thu 10/8

6:30 am-3:40 pm

1 stop16h 10m

Boston Logan Intl

Tue 10/20

8:05 pm-11:15 pm

1 stop20h 10m

$807

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 $680. If you aren’t able to travel during the month of January, then book flights to Boston from Bulgaria during November instead. Flights to Boston in November, while not as cheap as those in January, still average around $682.

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 $800 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 40% 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	$449
Fastest flight time	13h 15m
Direct flights	None

The best one-way flight to Boston from Bulgaria in the past 72 hours is $449. The best round-trip flight deal from Bulgaria to Boston found on momondo in the last 72 hours is $524.

The fastest flight from Bulgaria to Boston takes 13h 15m

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 6 operators available for flights from Bulgaria to Boston Logan Intl Airport as of September 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
Austrian Airlines	PriceFrom $590	Free Cancellation	Rating 7.6 959 reviews	Search Austrian Airlines flights
KLM	PriceFrom $592	Free Cancellation	Rating 7.8 1,576 reviews	Search KLM flights
United Airlines	PriceFrom $649	Free Cancellation	Rating 7.4 10,205 reviews	Search United Airlines flights
Lufthansa	PriceFrom $667	Free Cancellation	Rating 6.8 8,220 reviews	Search Lufthansa flights
Air France	PriceFrom $682	Free Cancellation	Rating 7.5 1,650 reviews	Search Air France flights
Turkish Airlines	PriceFrom $703	Free Cancellation	Rating 7.4 4,474 reviews	Search Turkish Airlines 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.