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$235+ Cheap flights from Massachusetts to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOF
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Massachusetts to Sofia

Keep the following information in mind while searching for Massachusetts to Sofia flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$351
(Kiwi.com)

One-way from

$235
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$604
From Massachusetts to Sofia
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One-way flight from Massachusetts to Sofia
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Highest demand for flights based on searches. 8% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Massachusetts to Sofia

Cheapest flights from Massachusetts to Sofia
Explore the most affordable flight options available from Massachusetts to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/38:40 pmBOS - SOF
1 stop14h 40mMultiple Airlines
lun. 11/176:45 pmSOF - BOS
1 stop26h 20mMultiple Airlines
Deal found 9/14$351
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:25 pmBOS - SOF
1 stop10h 25mMultiple Airlines
mar. 11/182:00 pmSOF - BOS
1 stop11h 35mMultiple Airlines
Deal found 9/15$356
This Air France deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/195:20 pmBOS - SOF
1 stop13h 40mAir France
mar. 11/47:10 amSOF - BOS
1 stop13h 30mAir France
Deal found 9/14$366
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/59:50 pmBOS - SOF
1 stop10h 25mMultiple Airlines
mié. 11/196:10 amSOF - BOS
1 stop14h 15mMultiple Airlines
Deal found 9/16$367
This Air France deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:30 pmBOS - SOF
1 stop12h 25mAir France
mar. 11/187:10 amSOF - BOS
2 stops18h 46mAir France
Deal found 9/15$376
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/155:10 pmBOS - SOF
1 stop18h 00mMultiple Airlines
mié. 10/292:00 pmSOF - BOS
1 stop11h 35mMultiple Airlines
Deal found 9/14$381
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/76:25 pmBOS - SOF
1 stop10h 25mMultiple Airlines
vie. 11/212:00 pmSOF - BOS
1 stop11h 35mMultiple Airlines
Deal found 9/15$383
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:15 pmBOS - SOF
2 stops18h 55mAmerican Airlines
lun. 11/175:25 pmSOF - BOS
1 stop29h 45mAmerican Airlines
Deal found 9/14$384
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1912:15 pmBOS - SOF
2 stops16h 45mMultiple Airlines
mar. 11/42:00 pmSOF - BOS
2 stops37h 20mMultiple Airlines
Deal found 9/14$390
This Air France deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/75:20 pmBOS - SOF
1 stop13h 40mMultiple Airlines
mar. 10/217:00 amSOF - BOS
1 stop16h 30mMultiple Airlines
Deal found 9/16$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Massachusetts to Sofia that are best for you.

Fly from

Massachusetts

Fly to

Sofia

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 2/11

1:10 pm-2:05 pm

2 stops17h 55m

Sofia

mié. 2/25

7:00 am-1:40 pm

1 stop13h 40m

$383

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 1/14

10:10 pm-3:15 pm

1 stop10h 05m

Sofia

mié. 1/28

2:00 pm-6:35 pm

1 stop11h 35m

$389

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 2/16

5:30 am-1:15 pm

2 stops24h 45m

Sofia

lun. 3/2

6:45 pm-2:05 pm

1 stop26h 20m

$394

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 1/13

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

mar. 1/27

2:00 pm-6:35 pm

1 stop11h 35m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 11/5

2:21 pm-10:45 pm

2 stops25h 24m

Sofia

mié. 11/19

2:00 pm-6:35 pm

1 stop11h 35m

$397

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 2/11

9:30 am-10:45 pm

2 stops30h 15m

Sofia

mié. 2/25

2:00 pm-6:35 pm

1 stop11h 35m

$400

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 1/13

1:30 pm-1:15 pm

2 stops16h 45m

Sofia

mar. 1/27

6:00 am-7:42 pm

2 stops20h 42m

$407

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 2/16

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

lun. 3/2

1:55 pm-3:57 pm

2 stops57h 02m

$410

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

sáb. 10/25

6:05 pm-11:15 am

1 stop10h 10m

Sofia

lun. 11/3

6:45 pm-2:05 pm

1 stop26h 20m

$412

HartfordSofia

BDL - SOF

BDLSOF

Hartford Bradley Intl

mié. 3/11

12:58 pm-10:45 pm

2 stops27h 47m

Sofia

dom. 3/15

6:10 am-11:57 pm

2 stops23h 47m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
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Best time to book a flight from Massachusetts to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Sofia

What is the cheapest month to book a flight from Massachusetts to Sofia?

Currently, November is the cheapest month in which you can book a flight from Massachusetts to Sofia (average of $632). Flying from Massachusetts to Sofia in June is currently the most expensive (average of $1,183). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MA to SOF?

Find hourly flight availability from Massachusetts to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

When flying from Massachusetts to Sofia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Massachusetts?

    For a flight from Massachusetts to Sofia, you will be flying into Sofia. Sofia (SOF) is just 4.2 mi from the center of the city.

  • How long is the flight from Massachusetts to Sofia?

    A quick flight from Massachusetts to Sofia can take about 25h 24m. United Airlines provides one of the quickest options available for as low as $397. The distance between Massachusetts and Sofia is about 4521 mi.

  • What are the most popular routes from Massachusetts to Sofia?

    When deciding which route to take from Massachusetts to Sofia consider Boston Logan Intl - Sofia, Hartford Bradley Intl - Sofia or Provincetown - Sofia as they are the most popular.

  • Can I find deals for flights from Massachusetts to Sofia that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Sofia.

  • Can I find deals for business class flights from Massachusetts to Sofia?

    Yes. Cheapflights offers flight deals from Massachusetts to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Massachusetts to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Massachusetts to Sofia (average of $632). Flying from Massachusetts to Sofia in June is currently the most expensive (average of $1,183). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 9 airlines flying from Massachusetts to Sofia

Discover the top 9 airlines that operate flights from Massachusetts to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$416Average$719FlexibilityNo cancel feeOn-time77%
KLMCheapest$430Average$775FlexibilityNo cancel feeOn-time75%
SWISSCheapest$437Average$731FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$497Average$845FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$505Average$807FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$505Average$657FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$505Average$924FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$510Average$561FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$530Average$877FlexibilityNo cancel feeOn-time76%

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