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$251+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOF
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$366
(Mytrip)

One-way from

$251
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$534
Provider with most accurate pricing for Boston Logan Intl-Sofia flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Sofia flights.
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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 ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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.
Mon 11/175:30 amBOS - SOF
2 stops29h 50mMultiple Airlines
Wed 12/32:00 pmSOF - BOS
2 stops14h 27mMultiple Airlines
Deal found 10/29$366
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Mon 11/2410:15 amBOS - SOF
2 stops25h 05mMultiple Airlines
Mon 12/812:35 pmSOF - BOS
1 stop32h 30mMultiple Airlines
Deal found 10/30$367
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/198:40 pmBOS - SOF
2 stops14h 20mLufthansa
Wed 12/32:00 pmSOF - BOS
1 stop11h 35mLufthansa
Deal found 10/29$368
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 11/236:25 pmBOS - SOF
1 stop10h 25mAustrian Airlines
Mon 12/112:35 pmSOF - BOS
1 stop32h 30mAustrian Airlines
Deal found 10/29$380
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Mon 11/178:40 pmBOS - SOF
1 stop14h 40mLufthansa
Wed 12/32:00 pmSOF - BOS
1 stop11h 35mLufthansa
Deal found 10/29$386
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:25 pmBOS - SOF
1 stop10h 25mMultiple Airlines
Wed 12/32:00 pmSOF - BOS
1 stop11h 35mMultiple Airlines
Deal found 10/29$392
This Lufthansa deal was found by Cheapflights users on 10/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:40 pmBOS - SOF
1 stop19h 05mLufthansa
Thu 1/87:05 pmSOF - BOS
1 stop30h 30mLufthansa
Deal found 10/30$394
This Lufthansa deal was found by Cheapflights users on 10/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:25 pmBOS - SOF
1 stop10h 25mMultiple Airlines
Tue 3/311:15 pmSOF - BOS
1 stop13h 40mMultiple Airlines
Deal found 10/30$395
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:20 amBOS - SOF
2 stops24h 55mUnited Airlines
Fri 4/38:00 amSOF - BOS
1 stop12h 50mUnited Airlines
Deal found 10/30$397
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amBDL - SOF
2 stops24h 15mUnited Airlines
Fri 12/196:05 amSOF - BDL
2 stops24h 53mUnited Airlines
Deal found 10/28$1,155
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:47 pmBDL - SOF
2 stops15h 13mUnited Airlines
Tue 11/46:00 amSOF - BDL
2 stops22h 38mUnited Airlines
Deal found 10/29$1,282

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 October 30, 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

Wed 11/19

8:40 pm-6:00 pm

2 stops14h 20m

Sofia

Wed 12/3

2:00 pm-6:35 pm

1 stop11h 35m

$368

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

6:25 pm-11:50 am

1 stop10h 25m

Sofia

Mon 3/9

6:45 pm-3:05 pm

1 stop26h 20m

$392

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 12/30

6:25 pm-11:50 am

1 stop10h 25m

Sofia

Tue 4/14

1:15 pm-7:55 pm

1 stop13h 40m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 12/30

5:20 am-1:15 pm

2 stops24h 55m

Sofia

Wed 4/1

6:10 am-5:40 pm

1 stop18h 30m

$398

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

1:55 pm-1:00 pm

2 stops16h 05m

Sofia

Mon 3/9

12:35 pm-3:05 pm

1 stop32h 30m

$398

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 1/27

9:30 am-6:20 pm

3 stops25h 50m

Sofia

Tue 2/10

7:55 am-6:32 pm

2 stops17h 37m

$408

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 1/27

7:10 pm-2:05 pm

1 stop11h 55m

Sofia

Tue 2/10

7:10 am-1:40 pm

1 stop13h 30m

$408

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 12/28

10:45 am-10:45 pm

2 stops29h 00m

Sofia

Tue 3/31

6:10 am-7:23 pm

2 stops20h 13m

$409

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

1:55 pm-1:00 pm

2 stops16h 05m

Sofia

Mon 3/9

1:45 pm-10:37 pm

2 stops38h 52m

$415

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 11/19

4:20 pm-6:00 pm

1 stop18h 40m

Sofia

Wed 12/3

2:00 pm-6:35 pm

1 stop11h 35m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 20 results
1
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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 $392). Flying from Massachusetts to Sofia in May is currently the most expensive (average of $652). 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 October 30, 2025.

It’s optimal to fly from Massachusetts to Sofia in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

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 10h 25m. Lufthansa provides one of the quickest options available for as low as $392. The distance between Massachusetts and Sofia is about 4521 mi. This flight may include one or multiple stops.

  • 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 $392). Flying from Massachusetts to Sofia in May is currently the most expensive (average of $652). 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.

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Alternative routes for Massachusetts to Sofia

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$410Average$734FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$416Average$609FlexibilityNo cancel feeOn-time77%
SWISSCheapest$436Average$724FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$447Average$752FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$472Average$800FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$479Average$866FlexibilityNo cancel feeOn-time76%
ITA AirwaysCheapest$505Average$924FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$510Average$564FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$520Average$676FlexibilityNo cancel feeOn-time77%

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