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

ITA Airways, Lufthansa, and United Airlines are the most popular carriers operating from Massachusetts to Sofia

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 57% 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.

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 38h 06m 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 August 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.

$257 Cheap Flights from Massachusetts to Sofia in 2025

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Find the cheapest flights from Massachusetts to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

8:40 pm - 6:20 pmBOS-SOF

14h 40m1 stop

1:55 pm - 6:35 pmSOF-BOS

11h 40m1 stop

$361Lufthansa

Find Deal

Wed, Dec 10 - Wed, Dec 24

8:40 pm - 6:05 pmBOS-SOF

14h 25m2 stops

1:55 pm - 6:35 pmSOF-BOS

11h 40m1 stop

$377Lufthansa

Find Deal

Wed, Dec 10 - Wed, Dec 24

9:40 pm - 10:05 amBOS-SOF

29h 25m1 stop

6:00 am - 9:30 amSOF-BOS

34h 30m2 stops

$388

Find Deal

Mon, Aug 25 - Wed, Sep 10

5:05 pm - 12:30 pmBOS-SOF

12h 25m1 stop

1:15 pm - 7:55 pmSOF-BOS

13h 40m1 stop

$389SWISS

Find Deal

Mon, Aug 25 - Tue, Sep 9

10:15 am - 3:15 pmBOS-SOF

22h 00m2 stops

2:00 pm - 9:32 amSOF-BOS

26h 32m2 stops

$390

Find Deal

Wed, Nov 12 - Wed, Nov 26

8:40 pm - 10:45 pmBOS-SOF

19h 05m1 stop

1:55 pm - 6:35 pmSOF-BOS

11h 40m1 stop

$392United Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 24

8:40 pm - 6:20 pmBOS-SOF

14h 40m1 stop

7:55 am - 2:05 pmSOF-BOS

13h 10m1 stop

$393United Airlines

Find Deal

Tue, Feb 10 - Tue, Feb 24

5:10 pm - 11:40 amBOS-SOF

11h 30m1 stop

6:55 pm - 5:47 pmSOF-BOS

29h 52m2 stops

$394Austrian Airlines

Find Deal

Mon, Sep 1 - Mon, Sep 15

5:05 pm - 12:00 pmBOS-SOF

11h 55m2 stops

1:15 pm - 7:55 pmSOF-BOS

13h 40m1 stop

$396SWISS

Find Deal

Mon, Aug 25 - Tue, Sep 9

5:10 pm - 11:40 amBOS-SOF

11h 30m1 stop

8:00 am - 1:50 pmSOF-BOS

12h 50m1 stop

$399Austrian Airlines

Find Deal

Wed, Sep 10 - Wed, Sep 17

United Airlines flights from Massachusetts to Sofia

Our best United Airlines deals on Massachusetts to Sofia flight tickets

United Airlines

Dec 10

BOS8:40 pmBoston Logan Intl

19h 05m

1 stop

SOF10:45 pmSofia

Dec 24

SOF1:55 pmSofia

11h 40m

1 stop

BOS6:35 pmBoston Logan Intl

$392

Find similar

United Airlines

Feb 10

BOS8:40 pmBoston Logan Intl

14h 40m

1 stop

SOF6:20 pmSofia

Feb 24

SOF7:55 amSofia

13h 10m

1 stop

BOS2:05 pmBoston Logan Intl

$393

Find similar

United Airlines

Nov 11

BOS9:30 amBoston Logan Intl

20h 40m

2 stops

SOF1:10 pmSofia

Nov 25

SOF6:05 amSofia

23h 32m

2 stops

BOS10:37 pmBoston Logan Intl

$403

Find similar

Air Canada flights from Massachusetts to Sofia

Our best Air Canada deals on Massachusetts to Sofia flight tickets

Air Canada

Oct 25

BOS6:55 pmBoston Logan Intl

41h 25m

2 stops

SOF7:20 pmSofia

Nov 3

SOF2:20 pmSofia

38h 07m

2 stops

BOS9:27 pmBoston Logan Intl

$426

Find similar

Air Canada

Sep 8

BOS3:15 pmBoston Logan Intl

19h 35m

2 stops

SOF5:50 pmSofia

Sep 19

SOF6:00 amSofia

34h 30m

2 stops

BOS9:30 amBoston Logan Intl

$440

Find similar

Air Canada

Aug 17

BOS5:50 amBoston Logan Intl

29h 00m

2 stops

SOF5:50 pmSofia

Sep 20

SOF12:45 pmSofia

27h 45m

2 stops

BOS9:30 amBoston Logan Intl

$579

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 12/10

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Wed 12/24

1:55 pm-6:35 pm

1 stop11h 40m

$361

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 12/10

8:40 pm-6:05 pm

2 stops14h 25m

Sofia

Wed 12/24

1:55 pm-6:35 pm

1 stop11h 40m

$377

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 8/25

9:40 pm-10:05 am

1 stop29h 25m

Sofia

Wed 9/10

6:00 am-9:30 am

2 stops34h 30m

$388

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 8/25

5:05 pm-12:30 pm

1 stop12h 25m

Sofia

Tue 9/9

1:15 pm-7:55 pm

1 stop13h 40m

$389

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 11/12

10:15 am-3:15 pm

2 stops22h 00m

Sofia

Wed 11/26

2:00 pm-9:32 am

2 stops26h 32m

$390

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 12/10

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

Wed 12/24

1:55 pm-6:35 pm

1 stop11h 40m

$392

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/10

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

Tue 2/24

7:55 am-2:05 pm

1 stop13h 10m

$393

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 9/1

5:10 pm-11:40 am

1 stop11h 30m

Sofia

Mon 9/15

6:55 pm-5:47 pm

2 stops29h 52m

$394

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 8/25

5:05 pm-12:00 pm

2 stops11h 55m

Sofia

Tue 9/9

1:15 pm-7:55 pm

1 stop13h 40m

$396

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 9/10

5:10 pm-11:40 am

1 stop11h 30m

Sofia

Wed 9/17

8:00 am-1:50 pm

1 stop12h 50m

$399

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 $585, 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 November instead. Flights to Sofia in November, while not as cheap as those in October, still average around $666.

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 $810 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 $661 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

Best Price Found	$257
Fastest flight time	10h 10m
Direct flights	None
Airports in Sofia	1 airport

The best one-way flight to Sofia from Massachusetts in the past 72 hours is $257. The best round-trip flight deal from Massachusetts to Sofia found on momondo in the last 72 hours is $361.

The fastest flight from Massachusetts to Sofia takes 10h 10m

There are no direct flights from Massachusetts to Sofia. Popular non-direct route for this connection is Boston Logan Intl Airport - Sofia Airport.

There is 1 airport near Sofia: Sofia (SOF)

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 August 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
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,467 reviews	Search Air France flights
KLM	PriceFrom $432	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
SWISS	PriceFrom $437	Free Cancellation	Rating 7.5 1,699 reviews	Search SWISS flights
United Airlines	PriceFrom $505	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,018 reviews	Search ITA Airways flights
Turkish Airlines	PriceFrom $508	Free Cancellation	Rating 7.3 3,940 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.6 7,266 reviews	Search British Airways flights
Lufthansa	PriceFrom $570	Free Cancellation	Rating 6.8 7,317 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $637	Free Cancellation	Rating 7.6 829 reviews	Search Austrian Airlines flights

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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.