How does KAYAK find such low prices on flights from Massachusetts to Sofia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Sofia. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Sofia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Massachusetts to Sofia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Massachusetts with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Sofia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$245 CHEAP FLIGHTS from Massachusetts to Sofia

SOF

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$346

Overall average: $489

Austrian Airlines

Tue 2/17Tue 3/3

BOS - SOF • 1 stop

Cheapest one-way

$245

Typical prices: $424-$555

Multiple Airlines

Mon 2/2

BOS - SOF • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Sofia!

Flight Deals

Cheap Flights from Massachusetts to Sofia

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Massachusetts to Sofia

Tue, Feb 17 - Tue, Mar 3

6:25 pm - 11:50 am

BOS

SOF

10h 25m

1 stop

7:55 am - 5:21 pm

SOF

BOS

16h 26m

2 stops

$346Austrian Airlines

Mon, Feb 16 - Mon, Mar 2

8:40 pm - 10:45 pm

BOS

SOF

19h 05m

1 stop

6:45 pm - 2:05 pm

SOF

BOS

26h 20m

1 stop

$352Multiple Airlines

Tue, Feb 17 - Fri, Mar 6

8:40 pm - 6:20 pm

BOS

SOF

14h 40m

1 stop

7:55 am - 2:05 pm

SOF

BOS

13h 10m

1 stop

$353Multiple Airlines

Wed, Mar 4 - Tue, May 5

8:40 pm - 6:20 pm

BOS

SOF

14h 40m

1 stop

12:55 pm - 5:40 pm

SOF

BOS

11h 45m

1 stop

$355Lufthansa

Wed, Feb 18 - Wed, Mar 4

8:40 pm - 6:20 pm

BOS

SOF

14h 40m

1 stop

2:00 pm - 6:35 pm

SOF

BOS

11h 35m

1 stop

$360Lufthansa

Mon, Apr 20 - Wed, Apr 29

5:20 pm - 12:15 pm

BOS

SOF

11h 55m

1 stop

8:00 am - 1:50 pm

SOF

BOS

12h 50m

1 stop

$361Multiple Airlines

Wed, Mar 18 - Wed, Apr 1

6:40 pm - 1:15 pm

BOS

SOF

12h 35m

2 stops

8:00 am - 5:57 pm

SOF

BOS

16h 57m

2 stops

$368Multiple Airlines

Wed, Mar 18 - Wed, Apr 1

6:40 pm - 1:15 pm

BOS

SOF

12h 35m

2 stops

8:00 am - 1:50 pm

SOF

BOS

12h 50m

1 stop

$369Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

6:00 am - 1:35 pm

BDL

SOF

25h 35m

2 stops

6:05 am - 11:59 pm

SOF

BDL

23h 54m

2 stops

$820United Airlines

Fri, Mar 13 - Fri, Mar 20

6:00 am - 10:45 pm

BDL

SOF

34h 45m

2 stops

6:10 am - 9:37 am

SOF

BDL

33h 27m

3 stops

$1,426United Airlines

Useful Info

Low season	November
High season	July
Cheapest flight	$245

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly with an average 11% increase in price.

Flight from Boston to Sofia

How does KAYAK find such low prices on flights from Massachusetts to Sofia?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Sofia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Sofia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Massachusetts to Sofia?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Massachusetts with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Sofia?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Velingrad

Sandanski

Everything you need to know for your flight to Sofia

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Sofia

Sofia (SOF)

SOF

$274 Find Cheap Flights from Massachusetts to Sofia

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

Everything you should know

Cheap Flights from Massachusetts to Sofia

Recent round-trip flight deals from Massachusetts to Sofia

Recent one-way flight deals from Massachusetts to Sofia

Recent last minute flight deals from Massachusetts to Sofia

Good to know

FAQs for booking flights from Massachusetts to Sofia

How does KAYAK find such low prices on flights from Massachusetts to Sofia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Sofia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Sofia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Massachusetts to Sofia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Massachusetts with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Sofia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Sofia?

Everything you need to know for your flight to Sofia

Information on the airport you'll fly into in Sofia

Cabin class types available on flights to Massachusetts

Complete your trip to Sofia with a hotel stay or car rental

Find direct flights for Sofia

Flights to other popular destinations

Flights from domestic origins to Sofia

Choose which airport to fly into in Sofia

Find deals for your return flight