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

SWISS, Lufthansa, and Air Canada are the most popular carriers operating from Massachusetts to Sofia

What airlines fly to Sofia?

Lufthansa, KLM 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 55% 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 15h 25m on average. On the other hand, flying from Worcester to Sofia takes 41h 16m 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 April 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.

$299 Cheap Flights from Massachusetts to Sofia in 2026

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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.

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

9:35 am - 7:55 pm

SOF

BOS

17h 20m

1 stop

$537Turkish Airlines

Thu, Sep 17 - Thu, Oct 1

9:50 pm - 8:15 pm

BOS

SOF

15h 25m

1 stop

10:05 am - 7:05 pm

SOF

BOS

15h 00m

1 stop

$578Turkish Airlines

Sun, Oct 11 - Tue, Oct 27

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

9:05 pm - 7:55 pm

SOF

BOS

29h 50m

1 stop

$584Turkish Airlines

Tue, Sep 15 - Tue, Sep 29

9:50 pm - 8:15 pm

BOS

SOF

15h 25m

1 stop

10:05 am - 7:05 pm

SOF

BOS

15h 00m

1 stop

$590Turkish Airlines

Mon, Oct 12 - Tue, Oct 27

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

9:40 pm - 7:05 pm

SOF

BOS

28h 25m

1 stop

$593Turkish Airlines

Sun, Oct 18 - Sun, Nov 1

11:00 pm - 1:35 am

BOS

SOF

19h 35m

1 stop

7:45 pm - 9:55 pm

SOF

BOS

32h 10m

2 stops

$603Multiple Airlines

Thu, Oct 15 - Mon, Oct 26

11:00 pm - 1:35 am

BOS

SOF

19h 35m

1 stop

4:50 pm - 9:55 pm

SOF

BOS

35h 05m

1 stop

$604Multiple Airlines

Thu, Oct 15 - Mon, Oct 26

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

9:40 pm - 7:05 pm

SOF

BOS

27h 25m

1 stop

$608Turkish Airlines

Sun, Oct 11 - Wed, Oct 28

5:10 pm - 11:40 am

BOS

SOF

11h 30m

1 stop

6:55 pm - 1:50 pm

SOF

BOS

25h 55m

1 stop

$612Austrian Airlines

Mon, Sep 14 - Mon, Sep 28

7:10 pm - 2:00 pm

BOS

SOF

11h 50m

1 stop

7:00 am - 1:39 pm

SOF

BOS

13h 39m

1 stop

$618Air France

Wed, Aug 5 - Wed, Aug 26

Turkish Airlines flights from Massachusetts to Sofia

Our best Turkish Airlines deals on Massachusetts to Sofia flight tickets

Turkish Airlines

Sep 17

BOS9:50 pmBoston Logan Intl

34h 10m

1 stop

SOF3:00 pmSofia

Oct 1

SOF9:35 amSofia

17h 20m

1 stop

BOS7:55 pmBoston Logan Intl

$537

Turkish Airlines

Oct 11

BOS9:50 pmBoston Logan Intl

15h 25m

1 stop

SOF8:15 pmSofia

Oct 27

SOF10:05 amSofia

15h 00m

1 stop

BOS7:05 pmBoston Logan Intl

$578

Turkish Airlines

Apr 27

BOS9:50 pmBoston Logan Intl

15h 25m

1 stop

SOF8:15 pmSofia

May 12

SOF3:50 pmSofia

35h 05m

1 stop

BOS7:55 pmBoston Logan Intl

$582

Austrian Airlines flights from Massachusetts to Sofia

Our best Austrian Airlines deals on Massachusetts to Sofia flight tickets

Austrian Airlines

Sep 14

BOS5:10 pmBoston Logan Intl

11h 30m

1 stop

SOF11:40 amSofia

Sep 28

SOF6:55 pmSofia

25h 55m

1 stop

BOS1:50 pmBoston Logan Intl

$612

Austrian Airlines

Sep 2

BOS2:19 pmBoston Logan Intl

20h 51m

2 stops

SOF6:10 pmSofia

Sep 14

SOF4:05 pmSofia

28h 45m

1 stop

BOS1:50 pmBoston Logan Intl

$653

Austrian Airlines

Oct 13

BOS5:10 pmBoston Logan Intl

15h 10m

1 stop

SOF3:20 pmSofia

Oct 26

SOF12:35 pmSofia

36h 14m

2 stops

BOS6:49 pmBoston Logan Intl

$659

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Thu 9/17

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Thu 10/1

9:35 am-7:55 pm

1 stop17h 20m

$537

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 10/11

9:50 pm-8:15 pm

1 stop15h 25m

Sofia

Tue 10/27

10:05 am-7:05 pm

1 stop15h 00m

$578

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 9/15

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Tue 9/29

9:05 pm-7:55 pm

1 stop29h 50m

$584

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 10/12

9:50 pm-8:15 pm

1 stop15h 25m

Sofia

Tue 10/27

10:05 am-7:05 pm

1 stop15h 00m

$590

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 10/18

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Sun 11/1

9:40 pm-7:05 pm

1 stop28h 25m

$593

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Thu 10/15

11:00 pm-1:35 am

1 stop19h 35m

Sofia

Mon 10/26

7:45 pm-9:55 pm

2 stops32h 10m

$603

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Thu 10/15

11:00 pm-1:35 am

1 stop19h 35m

Sofia

Mon 10/26

4:50 pm-9:55 pm

1 stop35h 05m

$604

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 10/11

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Wed 10/28

9:40 pm-7:05 pm

1 stop27h 25m

$608

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 9/14

5:10 pm-11:40 am

1 stop11h 30m

Sofia

Mon 9/28

6:55 pm-1:50 pm

1 stop25h 55m

$612

Quickest round-trip

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 8/5

7:10 pm-2:00 pm

1 stop11h 50m

Sofia

Wed 8/26

7:00 am-1:39 pm

1 stop13h 39m

$618

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

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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 $460, 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 $625 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 $493 on momondo.

Can stopping save me money on Massachusetts to Sofia flights?

You could potentially save up to 49% on your flight if you consider stops on a Massachusetts to Sofia flight.

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	15h 25m
Direct flights	None

The fastest flight from Massachusetts to Sofia takes 15h 25m

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

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Frequently asked questions about flying from Massachusetts to Sofia

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 April 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 7.8 1,501 reviews	Search KLM flights
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.6 905 reviews	Search Austrian Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.4 1,578 reviews	Search Air France flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.6 1,924 reviews	Search SWISS flights
United Airlines	PriceFrom $415	Free Cancellation	Rating 7.4 9,613 reviews	Search United Airlines flights
Lufthansa	PriceFrom $417	Free Cancellation	Rating 6.8 7,937 reviews	Search Lufthansa flights
British Airways	PriceFrom $478	Free Cancellation	Rating 6.7 7,903 reviews	Search British Airways flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,195 reviews	Search ITA Airways flights
Turkish Airlines	PriceFrom $524	Free Cancellation	Rating 7.4 4,321 reviews	Search Turkish Airlines flights

Bansko

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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.

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Cheap flights from Massachusetts to Sofia from $299

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Sofia departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Massachusetts to Sofia

What is the cheapest month to fly to Sofia?

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Can stopping save me money on Massachusetts to Sofia flights?

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

What airlines fly to Sofia?

How long does it take to fly to Sofia?

Cheap Massachusetts to Sofia flight deals and tips

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

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Why use momondo?

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

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