What is the cheapest airline that flies from Massachusetts to Sofia?

Austrian Airlines, Lufthansa, and Iberia are the most popular carriers operating from Massachusetts to Sofia

How long does it take to fly to Sofia?

Flight times vary depending on what airport in Massachusetts you fly out of and what airport in Sofia you fly into. For example, flying from Boston to Sofia takes 14h 25m on average. On the other hand, flying from Worcester to Sofia takes 18h 03m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Sofia?

Lufthansa, United Airlines and Turkish Airlines are the top three most popular airlines that fly to Sofia from Massachusetts according to our data. Lufthansa is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 9 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Massachusetts to Sofia Airport?

Prices for flights from Massachusetts to Sofia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Massachusetts to Sofia Airport?

The number of operators available for flights from Massachusetts to Sofia Airport is 9 as of January 2026.

How old do you have to be to fly from Massachusetts to Sofia 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 Massachusetts to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The necessary travel and health documents for your Sofia 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.

$200 Cheap Flights from Massachusetts to Sofia in 2026

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Find the cheapest flights from Massachusetts to Sofia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:31 pm - 11:50 am

BOS

SOF

15h 19m

2 stops

7:55 am - 2:05 pm

SOF

BOS

13h 10m

1 stop

$341Austrian Airlines

Tue, Feb 3 - Tue, Feb 17

1:31 pm - 11:50 am

BOS

SOF

15h 19m

2 stops

7:55 am - 2:05 pm

SOF

BOS

13h 10m

1 stop

$342Austrian Airlines

Tue, Feb 3 - Tue, Feb 17

1:55 pm - 6:00 pm

BOS

SOF

21h 05m

2 stops

12:35 pm - 2:05 pm

SOF

BOS

32h 30m

1 stop

$346Austrian Airlines

Mon, Feb 16 - Mon, Feb 23

8:40 pm - 6:20 pm

BOS

SOF

14h 40m

1 stop

2:00 pm - 7:35 pm

SOF

BOS

11h 35m

1 stop

$355Lufthansa

Wed, Mar 4 - Wed, Mar 18

5:05 pm - 10:20 am

BOS

SOF

10h 15m

1 stop

12:25 pm - 1:50 pm

SOF

BOS

32h 25m

1 stop

$361Multiple Airlines

Tue, Apr 14 - Tue, Apr 28

10:15 am - 6:20 pm

BOS

SOF

25h 05m

2 stops

6:05 am - 7:35 pm

SOF

BOS

19h 30m

1 stop

$373Multiple Airlines

Wed, Mar 4 - Wed, Mar 18

1:00 pm - 12:10 pm

BOS

SOF

16h 10m

2 stops

6:55 pm - 1:50 pm

SOF

BOS

25h 55m

1 stop

$374Multiple Airlines

Tue, Apr 14 - Tue, Apr 28

10:15 am - 6:20 pm

BOS

SOF

25h 05m

2 stops

2:00 pm - 6:35 pm

SOF

BOS

11h 35m

1 stop

$377Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

3:40 pm - 1:15 pm

BOS

SOF

14h 35m

2 stops

6:05 am - 6:02 pm

SOF

BOS

18h 57m

2 stops

$378Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

9:55 am - 10:45 pm

BDL

SOF

29h 50m

2 stops

1:45 pm - 7:14 pm

SOF

BDL

36h 29m

2 stops

$541United Airlines

Thu, Jan 29 - Mon, Feb 2

Lufthansa flights from Massachusetts to Sofia

Our best Lufthansa deals on Massachusetts to Sofia flight tickets

Lufthansa

Mar 4

BOS8:40 pmBoston Logan Intl

14h 40m

1 stop

SOF6:20 pmSofia

Mar 18

SOF2:00 pmSofia

11h 35m

1 stop

BOS7:35 pmBoston Logan Intl

$355

Lufthansa

Jan 28

BOS8:40 pmBoston Logan Intl

14h 40m

1 stop

SOF6:20 pmSofia

Feb 4

SOF2:00 pmSofia

11h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$385

Lufthansa

Apr 1

BOS8:05 pmBoston Logan Intl

20h 05m

1 stop

SOF11:10 pmSofia

Apr 29

SOF6:10 amSofia

18h 30m

1 stop

BOS5:40 pmBoston Logan Intl

$394

Air Canada flights from Massachusetts to Sofia

Our best Air Canada deals on Massachusetts to Sofia flight tickets

Air Canada

Feb 17

BOS6:15 amBoston Logan Intl

29h 05m

2 stops

SOF6:20 pmSofia

Feb 23

SOF1:45 pmSofia

39h 52m

2 stops

BOS10:37 pmBoston Logan Intl

$423

Air Canada

Feb 18

BOS3:35 pmBoston Logan Intl

15h 15m

2 stops

SOF1:50 pmSofia

Feb 23

SOF1:45 pmSofia

39h 52m

2 stops

BOS10:37 pmBoston Logan Intl

$440

Air Canada

Feb 15

BOS6:55 pmBoston Logan Intl

35h 30m

2 stops

SOF1:25 pmSofia

Feb 23

SOF1:45 pmSofia

39h 52m

2 stops

BOS10:37 pmBoston Logan Intl

$445

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/3

1:31 pm-11:50 am

2 stops15h 19m

Sofia

Tue 2/17

7:55 am-2:05 pm

1 stop13h 10m

$341

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/3

1:31 pm-11:50 am

2 stops15h 19m

Sofia

Tue 2/17

7:55 am-2:05 pm

1 stop13h 10m

$342

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/16

1:55 pm-6:00 pm

2 stops21h 05m

Sofia

Mon 2/23

12:35 pm-2:05 pm

1 stop32h 30m

$346

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 3/4

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Wed 3/18

2:00 pm-7:35 pm

1 stop11h 35m

$355

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 4/14

5:05 pm-10:20 am

1 stop10h 15m

Sofia

Tue 4/28

12:25 pm-1:50 pm

1 stop32h 25m

$361

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 3/4

10:15 am-6:20 pm

2 stops25h 05m

Sofia

Wed 3/18

6:05 am-7:35 pm

1 stop19h 30m

$373

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 4/14

1:00 pm-12:10 pm

2 stops16h 10m

Sofia

Tue 4/28

6:55 pm-1:50 pm

1 stop25h 55m

$374

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 1/28

10:15 am-6:20 pm

2 stops25h 05m

Sofia

Wed 2/4

2:00 pm-6:35 pm

1 stop11h 35m

$377

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 1/28

3:40 pm-1:15 pm

2 stops14h 35m

Sofia

Wed 2/4

6:05 am-6:02 pm

2 stops18h 57m

$378

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

Thu 1/29

9:55 am-10:45 pm

2 stops29h 50m

Sofia

Mon 2/2

1:45 pm-7:14 pm

2 stops36h 29m

$541

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 Massachusetts to Sofia

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 Sofia?

The cheapest month to fly to Sofia from Massachusetts is in February. Flight prices, which tend to average around $465, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from Massachusetts during November instead. Flights to Sofia in November, while not as cheap as those in February, still average around $478.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $667 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Massachusetts for as low as $604 on momondo.

Cheap Massachusetts to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Sofia

Fastest flight time	14h 25m
Direct flights	None

The fastest flight from Massachusetts to Sofia takes 14h 25m

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

Search flight deals

When did momondo last update prices for flights from Massachusetts to Sofia Airport?
Prices for flights from Massachusetts to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Massachusetts to Sofia Airport?
The number of operators available for flights from Massachusetts to Sofia Airport is 9 as of January 2026.
How old do you have to be to fly from Massachusetts to Sofia 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 Massachusetts to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The necessary travel and health documents for your Sofia 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 Massachusetts to Sofia

Compare and see reviews for airlines that fly from Massachusetts to Sofia with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $380	Free Cancellation	Rating 7.7 1,437 reviews	Search KLM flights
SWISS	PriceFrom $388	Free Cancellation	Rating 7.5 1,847 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.5 893 reviews	Search Austrian Airlines flights
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,522 reviews	Search Air France flights
United Airlines	PriceFrom $422	Free Cancellation	Rating 7.4 9,156 reviews	Search United Airlines flights
Lufthansa	PriceFrom $443	Free Cancellation	Rating 6.8 7,711 reviews	Search Lufthansa flights
British Airways	PriceFrom $482	Free Cancellation	Rating 6.7 7,671 reviews	Search British Airways flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,128 reviews	Search ITA Airways flights
Turkish Airlines	PriceFrom $536	Free Cancellation	Rating 7.3 4,167 reviews	Search Turkish Airlines flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Sofia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Massachusetts to Sofia. momondo saves you time and could save you money on your trip.

Can I find flights from Massachusetts to Sofia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sofia from Massachusetts which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Massachusetts to Sofia?

momondo provides multiple filters to help you find the best flight to Sofia from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Sofia from Massachusetts are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.