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.

$264 CHEAP FLIGHTS from Massachusetts to Sofia

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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

Wed, Nov 18 - Thu, Nov 26

9:20 pm - 10:35 pmBOS Boston Logan Intl-SOF Sofia

18h 15m1 stop Dublin

11:00 pm - 1:55 pmSOF Sofia-BOS Boston Logan Intl

21h 55m1 stop Dublin

$547Multiple Airlines

Wed, Nov 18 - Thu, Nov 26

11:15 am - 10:35 pmBOS Boston Logan Intl-SOF Sofia

28h 20m2 stops Toronto Pearson Intl Dublin

11:00 pm - 1:45 pmSOF Sofia-BOS Boston Logan Intl

21h 45m2 stops Dublin Frankfurt am Main

$569Multiple Airlines

Sun, Oct 18 - Mon, Nov 2

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

Tue, Nov 17 - Mon, Nov 23

7:30 am - 8:10 pmBOS Boston Logan Intl-SOF Sofia

29h 40m1 stop London Heathrow

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

33h 25m1 stop London Heathrow

$659British Airways

Wed, Mar 17 - Wed, Mar 31

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

Tue, Nov 10 - Tue, Nov 24

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, Jan 19 - Tue, Feb 2

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

$664Lufthansa

Wed, Nov 18 - Thu, Nov 26

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

10h 35m1 stop Zurich

4:15 pm - 8:20 pmSOF Sofia-BOS Boston Logan Intl

35h 05m1 stop Zurich

$665SWISS

Tue, Jan 19 - Tue, Feb 2

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, Feb 16 - Tue, Mar 2

6:55 pm - 6:00 pmBOS Boston Logan Intl-SOF Sofia

16h 05m1 stop Vienna Intl

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

12h 35m1 stop Vienna Intl

$667Austrian Airlines

Recent last minute flight deals from Massachusetts to Sofia

Sun, Sep 27 - Mon, Nov 30

9:40 pm - 12:15 pmBOS Boston Logan Intl-SOF Sofia

31h 35m1 stop Zurich

6:45 pm - 1:30 pmSOF Sofia-BOS Boston Logan Intl

25h 45m1 stop Vienna Intl

$713Multiple Airlines

Sun, Sep 27 - Mon, Nov 30

8:05 pm - 6:40 pmBOS Boston Logan Intl-SOF Sofia

15h 35m1 stop Munich Franz Josef Strauss

7:05 pm - 6:35 pmSOF Sofia-BOS Boston Logan Intl

30h 30m1 stop Munich Franz Josef Strauss

$726Lufthansa

Sun, Sep 27 - Mon, Nov 30

8:05 pm - 6:40 pmBOS Boston Logan Intl-SOF Sofia

15h 35m1 stop Munich Franz Josef Strauss

12:35 pm - 5:41 pmSOF Sofia-BOS Boston Logan Intl

36h 06m2 stops Vienna Intl Newark

$737Multiple Airlines

Sun, Sep 27 - Mon, Nov 30

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

36h 00m2 stops Zurich Munich Franz Josef Strauss

2:10 pm - 10:37 pmSOF Sofia-BOS Boston Logan Intl

39h 27m2 stops Frankfurt am Main Toronto Pearson Intl

$836Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

4:45 pm - 3:30 pmBOS Boston Logan Intl-SOF Sofia

15h 45m2 stops Frankfurt am Main Belgrade Nikola Tesla

5:00 am - 2:45 pmSOF Sofia-BOS Boston Logan Intl

16h 45m2 stops Belgrade Nikola Tesla Frankfurt am Main

$934Multiple Airlines

Sun, Sep 27 - Mon, Nov 30

8:50 pm - 12:15 amBOS Boston Logan Intl-SOF Sofia

20h 25m2 stops Reykjavik Keflavik Intl Brussels Bruxelles-National

5:00 am - 7:05 pmSOF Sofia-BOS Boston Logan Intl

21h 05m3 stops Belgrade Nikola Tesla Amsterdam Schiphol Dublin

$936Multiple Airlines

Sun, Sep 27 - Mon, Nov 30

5:05 pm - 10:00 pmBOS Boston Logan Intl-SOF Sofia

21h 55m3 stops Rome Fiumicino Milan Linate London City

5:00 am - 7:10 pmSOF Sofia-BOS Boston Logan Intl

21h 10m3 stops Belgrade Nikola Tesla Paris Charles de Gaulle Toronto Pearson Intl

$1,031Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

5:10 pm - 6:10 pmBOS Boston Logan Intl-SOF Sofia

18h 00m1 stop Vienna Intl

12:55 pm - 5:40 pmSOF Sofia-BOS Boston Logan Intl

11h 45m1 stop Munich Franz Josef Strauss

$1,052Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

5:50 am - 3:05 pmBOS Boston Logan Intl-SOF Sofia

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

12:55 pm - 5:40 pmSOF Sofia-BOS Boston Logan Intl

11h 45m1 stop Munich Franz Josef Strauss

$1,054Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

12:30 pm - 10:40 pmBOS Boston Logan Intl-SOF Sofia

27h 10m3 stops Toronto Pearson Intl Kastrup Copenhagen Frankfurt am Main

6:45 pm - 10:40 pmSOF Sofia-BOS Boston Logan Intl

34h 55m3 stops Warsaw Frederic Chopin Kastrup Copenhagen Toronto Pearson Intl

$1,169Multiple Airlines

Useful Info

Low season	October
High season	July
Cheapest flight	$264

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly with an average 24% 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.