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>

$310 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

$334

Overall average: $1,140

Multiple Airlines

Mon 12/8Mon 12/22

BOS - SOF • 2 stops

Cheapest one-way

$310

Typical prices: $484-$646

Multiple Airlines

Thu 12/11

BOS - SOF • 3 stops

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Massachusetts to Sofia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Round-trip

One-way

Recent round-trip flight deals from Massachusetts to Sofia

Mon, Dec 8 - Mon, Dec 22

7:07 pm - 10:45 pmBOS-SOF

20h 38m2 stops

6:45 pm - 2:05 pmSOF-BOS

26h 20m1 stop

$334Multiple Airlines

Find Deal

Mon, Feb 16 - Mon, Mar 2

1:55 pm - 6:00 pmBOS-SOF

21h 05m2 stops

6:45 pm - 2:05 pmSOF-BOS

26h 20m1 stop

$341Austrian Airlines

Find Deal

Wed, Mar 18 - Wed, Apr 1

6:40 pm - 1:15 pmBOS-SOF

12h 35m2 stops

12:50 pm - 9:27 pmSOF-BOS

15h 37m2 stops

$357Multiple Airlines

Find Deal

Wed, Mar 18 - Wed, Apr 1

3:40 pm - 6:20 pmBOS-SOF

20h 40m2 stops

8:00 am - 1:50 pmSOF-BOS

12h 50m1 stop

$366Multiple Airlines

Find Deal

Wed, Mar 18 - Wed, Apr 1

10:50 pm - 3:15 pmBOS-SOF

10h 25m1 stop

10:50 am - 7:55 pmSOF-BOS

16h 05m1 stop

$372SWISS

Find Deal

Tue, Feb 17 - Tue, Mar 3

1:00 pm - 6:20 pmBOS-SOF

22h 20m2 stops

7:55 am - 2:05 pmSOF-BOS

13h 10m1 stop

$377Multiple Airlines

Find Deal

Tue, Feb 17 - Tue, Mar 3

8:40 pm - 6:20 pmBOS-SOF

14h 40m1 stop

7:55 am - 2:05 pmSOF-BOS

13h 10m1 stop

$378Multiple Airlines

Find Deal

Wed, Feb 25 - Tue, Mar 17

9:50 pm - 3:15 pmBOS-SOF

10h 25m1 stop

7:55 am - 3:05 pmSOF-BOS

13h 10m1 stop

$379Multiple Airlines

Find Deal

Tue, Apr 21 - Tue, May 5

8:05 pm - 11:10 pmBOS-SOF

20h 05m1 stop

12:50 pm - 5:40 pmSOF-BOS

11h 50m1 stop

$380Lufthansa

Find Deal

Wed, Dec 3 - Sun, Dec 7

4:42 pm - 6:20 pmBDL-SOF

18h 38m2 stops

6:10 am - 9:38 amSOF-BDL

34h 28m2 stops

$742United Airlines

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$310

Best time to beat the crowds with an average 24% drop in price.

Most popular time to fly with an average 3% 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.

Sandanski

Velingrad

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

$310 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

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