What airlines fly to Sofia?

Lufthansa, KLM 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 48% 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 Provincetown to Sofia takes 16h 39m 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 September 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.

$264 Cheap Flights from Massachusetts to Sofia in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

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

20h 45m2 stops Reykjavik Keflavik Intl Václav Havel Prague

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

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

$655Multiple Airlines

Sun, Nov 8 - Sun, Nov 22

7:30 pm - 7:20 pmBOS Boston Logan Intl-SOF Sofia

16h 50m1 stop London Heathrow

5:15 pm - 7:40 pmSOF Sofia-BOS Boston Logan Intl

33h 25m1 stop London Heathrow

$659British Airways

Sun, Oct 18 - Mon, Nov 2

10:50 pm - 3:25 pmBOS Boston Logan Intl-SOF Sofia

10h 35m1 stop Zurich

11:05 am - 7:55 pmSOF Sofia-BOS Boston Logan Intl

15h 50m1 stop Zurich

$660SWISS

Wed, Mar 17 - Wed, Mar 31

9:50 pm - 3:25 pmBOS Boston Logan Intl-SOF Sofia

10h 35m1 stop Zurich

2:00 pm - 11:59 pmSOF Sofia-BOS Boston Logan Intl

16h 59m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$661Multiple Airlines

Wed, Nov 11 - Wed, Nov 25

6:55 pm - 11:50 amBOS Boston Logan Intl-SOF Sofia

9h 55m1 stop Vienna Intl

7:55 am - 1:30 pmSOF Sofia-BOS Boston Logan Intl

12h 35m1 stop Vienna Intl

$662Austrian Airlines

Tue, Nov 10 - Tue, Nov 24

5:30 pm - 8:10 pmBOS Boston Logan Intl-SOF Sofia

19h 40m2 stops New York John F Kennedy Intl London Heathrow

5:15 pm - 7:40 pmSOF Sofia-BOS Boston Logan Intl

33h 25m1 stop London Heathrow

$663British Airways

Tue, Nov 10 - Mon, Nov 23

8:40 pm - 10:55 pmBOS Boston Logan Intl-SOF Sofia

19h 15m1 stop Munich Franz Josef Strauss

2:00 pm - 6:35 pmSOF Sofia-BOS Boston Logan Intl

11h 35m1 stop Munich Franz Josef Strauss

$666Lufthansa

Tue, Jan 19 - Tue, Feb 2

5:10 pm - 11:40 amBOS Boston Logan Intl-SOF Sofia

11h 30m1 stop Vienna Intl

7:55 am - 6:57 pmSOF Sofia-BOS Boston Logan Intl

18h 02m2 stops Vienna Intl Washington, D.C. Dulles Intl

$681Austrian Airlines

Tue, Oct 20 - Tue, Nov 3

8:40 pm - 10:55 pmBOS Boston Logan Intl-SOF Sofia

19h 15m1 stop Munich Franz Josef Strauss

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

14h 20m1 stop Frankfurt am Main

$699Lufthansa

Sun, Jan 10 - Wed, Jan 20

5:10 pm - 12:10 pmBOS Boston Logan Intl-SOF Sofia

12h 00m2 stops Zurich Munich Franz Josef Strauss

12:55 pm - 7:55 pmSOF Sofia-BOS Boston Logan Intl

38h 00m2 stops Munich Franz Josef Strauss Zurich

$833SWISS

Thu, Oct 1 - Mon, Oct 12

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United Airlines flights from Massachusetts to Sofia

Our best United Airlines deals on Massachusetts to Sofia flight tickets

United Airlines

Jan 18

BDL6:00 amHartford Bradley Intl

24h 15m

2 stops

SOF1:15 pmSofia

Jan 21

SOF7:55 amSofia

17h 36m

2 stops

BDL6:31 pmHartford Bradley Intl

$716

United Airlines

Nov 1

BOS7:40 pmBoston Logan Intl

44h 15m

2 stops

SOF10:55 pmSofia

Nov 8

SOF7:55 amSofia

12h 35m

1 stop

BOS1:30 pmBoston Logan Intl

$745

United Airlines

Feb 27

BOS7:35 pmBoston Logan Intl

34h 40m

2 stops

SOF1:15 pmSofia

Mar 7

SOF7:55 amSofia

12h 35m

1 stop

BOS1:30 pmBoston Logan Intl

$757

British Airways flights from Massachusetts to Sofia

Our best British Airways deals on Massachusetts to Sofia flight tickets

British Airways

Oct 18

BOS7:30 pmBoston Logan Intl

16h 50m

1 stop

SOF7:20 pmSofia

Nov 2

SOF5:15 pmSofia

33h 25m

1 stop

BOS7:40 pmBoston Logan Intl

$659

British Airways

Oct 18

BOS7:30 pmBoston Logan Intl

16h 50m

1 stop

SOF7:20 pmSofia

Nov 2

SOF5:15 pmSofia

32h 51m

2 stops

BOS7:06 pmBoston Logan Intl

$669

British Airways

Oct 19

BOS7:35 pmBoston Logan Intl

41h 55m

2 stops

SOF8:30 pmSofia

Nov 2

SOF5:15 pmSofia

30h 42m

2 stops

BOS4:57 pmBoston Logan Intl

$675

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Sun 11/8

7:50 pm-11:35 pm

2 stops20h 45m

Sofia

Sun 11/22

4:00 pm-5:50 pm

3 stops32h 50m

$655

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Sun 10/18

7:30 pm-7:20 pm

1 stop16h 50m

Sofia

Mon 11/2

5:15 pm-7:40 pm

1 stop33h 25m

$659

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Wed 3/17

10:50 pm-3:25 pm

1 stop10h 35m

Sofia

Wed 3/31

11:05 am-7:55 pm

1 stop15h 50m

$660

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Wed 11/11

9:50 pm-3:25 pm

1 stop10h 35m

Sofia

Wed 11/25

2:00 pm-11:59 pm

2 stops16h 59m

$661

Quickest round-trip

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Tue 11/10

6:55 pm-11:50 am

1 stop9h 55m

Sofia

Tue 11/24

7:55 am-1:30 pm

1 stop12h 35m

$662

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Tue 11/10

5:30 pm-8:10 pm

2 stops19h 40m

Sofia

Mon 11/23

5:15 pm-7:40 pm

1 stop33h 25m

$663

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Tue 1/19

8:40 pm-10:55 pm

1 stop19h 15m

Sofia

Tue 2/2

2:00 pm-6:35 pm

1 stop11h 35m

$666

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Tue 10/20

5:10 pm-11:40 am

1 stop11h 30m

Sofia

Tue 11/3

7:55 am-6:57 pm

2 stops18h 02m

$681

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Sun 1/10

8:40 pm-10:55 pm

1 stop19h 15m

Sofia

Wed 1/20

6:25 am-1:45 pm

1 stop14h 20m

$699

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Thu 10/1

5:10 pm-12:10 pm

2 stops12h 00m

Sofia

Mon 10/12

12:55 pm-7:55 pm

2 stops38h 00m

$833

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 $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 from Massachusetts 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 $701 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 $474 on momondo.

Can stopping save me money on Massachusetts to Sofia flights?

You could potentially save up to 56% 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

Best Price Found	$264
Fastest flight time	10h 25m
Direct flights	None

The best one-way flight to Sofia from Massachusetts in the past 72 hours is $264. The best round-trip flight deal from Massachusetts to Sofia found on momondo in the last 72 hours is $655.

The fastest flight from Massachusetts to Sofia takes 10h 25m

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

Search flight deals

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 September 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
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.6 962 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 10,229 reviews	Search United Airlines flights
Air France	PriceFrom $394	Free Cancellation	Rating 7.5 1,650 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,577 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,076 reviews	Search SWISS flights
Lufthansa	PriceFrom $415	Free Cancellation	Rating 6.8 8,236 reviews	Search Lufthansa flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,229 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $524	Free Cancellation	Rating 7.4 4,463 reviews	Search Turkish Airlines flights
ITA Airways	PriceFrom $694	Free Cancellation	Rating 6.7 1,360 reviews	Search ITA Airways flights

Bansko

Borovets

Velingrad

Sandanski

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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 $264

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 10/18. 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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United Airlines flights from Massachusetts to Sofia

Our best United Airlines deals on Massachusetts to Sofia flight tickets

British Airways flights from Massachusetts to Sofia

Our best British Airways deals on Massachusetts to Sofia flight tickets

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How to get the cheapest flight ticket from Massachusetts to Sofia

What is the cheapest month to fly to Sofia?

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

Can stopping save me money on Massachusetts to Sofia flights?

What airlines fly to Sofia?

How long does it take to fly to Sofia?

Cheap Massachusetts to Sofia flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Massachusetts to Sofia

Best airlines flying from Massachusetts to Sofia

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

Traveling to a place near Sofia?

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.

Get notified when prices go down

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

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Fly your favorite airline to Sofia

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List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.

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