What airlines fly to Sofia?

Lufthansa, Turkish Airlines and United 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 61% 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.

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

Lufthansa is the most popular carrier 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 10h 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.

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 November 2025.

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.

$217 Cheap Flights from Massachusetts to Sofia 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 Massachusetts to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:40 pm - 6:20 pmBOS-SOF

14h 40m1 stop

2:00 pm - 6:35 pmSOF-BOS

11h 35m1 stop

$350Lufthansa

Find Deal

Wed, Jan 14 - Wed, Jan 28

4:15 pm - 1:45 pmBOS-SOF

14h 30m1 stop

7:55 am - 5:14 pmSOF-BOS

16h 19m2 stops

$361Multiple Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 27

2:20 pm - 1:15 pmBOS-SOF

15h 55m2 stops

2:20 pm - 1:35 pmSOF-BOS

30h 15m1 stop

$363Lufthansa

Find Deal

Mon, Jan 12 - Mon, Jan 26

3:40 pm - 3:15 pmBOS-SOF

40h 35m2 stops

7:55 am - 9:32 amSOF-BOS

32h 37m2 stops

$368Multiple Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 27

10:10 pm - 3:15 pmBOS-SOF

10h 05m1 stop

6:05 am - 1:35 pmSOF-BOS

14h 30m2 stops

$372Multiple Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 28

10:10 pm - 3:15 pmBOS-SOF

10h 05m1 stop

6:05 am - 1:35 pmSOF-BOS

14h 30m2 stops

$374Multiple Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 28

5:30 am - 6:20 pmBOS-SOF

29h 50m2 stops

6:45 pm - 2:05 pmSOF-BOS

26h 20m1 stop

$375Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 15

4:20 pm - 1:15 pmBOS-SOF

13h 55m2 stops

2:00 pm - 6:35 pmSOF-BOS

11h 35m1 stop

$377Lufthansa

Find Deal

Tue, Dec 2 - Wed, Dec 10

10:15 am - 11:50 amBOS-SOF

18h 35m2 stops

7:55 am - 7:42 pmSOF-BOS

18h 47m2 stops

$378Multiple Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 27

8:40 pm - 10:45 pmBOS-SOF

19h 05m1 stop

6:45 pm - 2:05 pmSOF-BOS

26h 20m1 stop

$381Multiple Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 15

Lufthansa flights from Massachusetts to Sofia

Our best Lufthansa deals on Massachusetts to Sofia flight tickets

Lufthansa

Jan 14

BOS8:40 pmBoston Logan Intl

14h 40m

1 stop

SOF6:20 pmSofia

Jan 28

SOF2:00 pmSofia

11h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$350

Find similar

Lufthansa

Jan 12

BOS2:20 pmBoston Logan Intl

15h 55m

2 stops

SOF1:15 pmSofia

Jan 26

SOF2:20 pmSofia

30h 15m

1 stop

BOS1:35 pmBoston Logan Intl

$363

Find similar

Lufthansa

Dec 2

BOS4:20 pmBoston Logan Intl

13h 55m

2 stops

SOF1:15 pmSofia

Dec 10

SOF2:00 pmSofia

11h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$377

Find similar

Air France flights from Massachusetts to Sofia

Our best Air France deals on Massachusetts to Sofia flight tickets

Air France

Jan 13

BOS6:30 pmBoston Logan Intl

12h 25m

1 stop

SOF1:55 pmSofia

Jan 27

SOF7:10 amSofia

13h 30m

1 stop

BOS1:40 pmBoston Logan Intl

$395

Find similar

Air France

Feb 20

BOS6:30 pmBoston Logan Intl

12h 25m

1 stop

SOF1:55 pmSofia

Mar 6

SOF7:00 amSofia

13h 30m

1 stop

BOS1:30 pmBoston Logan Intl

$445

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 1/14

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Wed 1/28

2:00 pm-6:35 pm

1 stop11h 35m

$350

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 1/13

4:15 pm-1:45 pm

1 stop14h 30m

Sofia

Tue 1/27

7:55 am-5:14 pm

2 stops16h 19m

$361

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 1/12

2:20 pm-1:15 pm

2 stops15h 55m

Sofia

Mon 1/26

2:20 pm-1:35 pm

1 stop30h 15m

$363

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 1/13

3:40 pm-3:15 pm

2 stops40h 35m

Sofia

Tue 1/27

7:55 am-9:32 am

2 stops32h 37m

$368

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 1/14

10:10 pm-3:15 pm

1 stop10h 05m

Sofia

Wed 1/28

6:05 am-1:35 pm

2 stops14h 30m

$372

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 1/14

10:10 pm-3:15 pm

1 stop10h 05m

Sofia

Wed 1/28

6:05 am-1:35 pm

2 stops14h 30m

$374

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 12/1

5:30 am-6:20 pm

2 stops29h 50m

Sofia

Mon 12/15

6:45 pm-2:05 pm

1 stop26h 20m

$375

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 12/2

4:20 pm-1:15 pm

2 stops13h 55m

Sofia

Wed 12/10

2:00 pm-6:35 pm

1 stop11h 35m

$377

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 1/13

10:15 am-11:50 am

2 stops18h 35m

Sofia

Tue 1/27

7:55 am-7:42 pm

2 stops18h 47m

$378

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 12/1

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

Mon 12/15

6:45 pm-2:05 pm

1 stop26h 20m

$381

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 October. Flight prices, which tend to average around $532, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from Massachusetts during January instead. Flights to Sofia in January, while not as cheap as those in October, still average around $578.

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

According to our data, Tuesday is the cheapest day to fly to Sofia from Massachusetts. The lowest ticket price found for a Tuesday departure recently was $843. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Massachusetts to Sofia on a Friday will generally be more expensive and average around $997. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the evening is the cheapest time of day to fly from Massachusetts to Sofia when you can find flight prices for as low as $816. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,022 per ticket.

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 $751 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 $665 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

Direct flights	None

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 November 2025.
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 $407	Free Cancellation	Rating 7.7 1,419 reviews	Search KLM flights
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,494 reviews	Search Air France flights
SWISS	PriceFrom $436	Free Cancellation	Rating 7.5 1,790 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $447	Free Cancellation	Rating 7.6 874 reviews	Search Austrian Airlines flights
Lufthansa	PriceFrom $451	Free Cancellation	Rating 6.8 7,583 reviews	Search Lufthansa flights
United Airlines	PriceFrom $472	Free Cancellation	Rating 7.4 9,037 reviews	Search United Airlines flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,087 reviews	Search ITA Airways flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 7,535 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $520	Free Cancellation	Rating 7.3 4,050 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.