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$412+ Cheap flights from Sofia (SOF) to Massachusetts

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — BOS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Sofia to Massachusetts

Cheapest flights from Sofia to Massachusetts
Explore the most affordable flight options available from Sofia to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:35 pmSOF - BOS
2 stops35h 13mUnited Airlines
Thu 1/88:40 pmBOS - SOF
1 stop19h 05mUnited Airlines
Deal found 12/15$704
This Travelocity deal was found by Cheapflights users on 12/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:45 pmSOF - BOS
1 stop26h 20mMultiple Airlines
Thu 1/88:40 pmBOS - SOF
1 stop19h 05mMultiple Airlines
Deal found 12/15$730
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Sat 12/276:15 pmSOF - BOS
1 stop26h 50mMultiple Airlines
Thu 3/125:25 pmBOS - SOF
1 stop14h 25mMultiple Airlines
Deal found 12/17$751
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/272:25 pmSOF - BOS
2 stops40h 29mUnited Airlines
Thu 3/125:45 amBOS - SOF
2 stops26h 05mUnited Airlines
Deal found 12/17$822
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amSOF - BOS
2 stops23h 48mUnited Airlines
Wed 12/314:20 pmBOS - SOF
1 stop14h 30mUnited Airlines
Deal found 12/15$834
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:00 pmSOF - BOS
1 stop11h 35mUnited Airlines
Mon 1/52:15 pmBOS - SOF
2 stops25h 30mUnited Airlines
Deal found 12/15$935
This Booking.com deal was found by Cheapflights users on 12/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:00 pmSOF - BOS
1 stop11h 35mLufthansa
Wed 12/314:20 pmBOS - SOF
1 stop14h 30mLufthansa
Deal found 12/15$952

Find flight deals from Sofia to Massachusetts

Keep the following information in mind while searching for Sofia to Massachusetts flight deals. Data was last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$655
(Mytrip)

One-way from

$412
(Finnair)

Popular in

December

Cheapest in

January

Average price

$821
Provider with most accurate pricing for Sofia-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Boston Logan Intl flights.
Search Deals
From Sofia to Massachusetts
Search Deals
One-way flight from Sofia to Massachusetts
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to Massachusetts 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 December 18, 2025.
Use the filters below to find and compare flights from Sofia to Massachusetts that are best for you.

Fly from

Sofia

Fly to

Massachusetts

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sun 6/14

6:00 pm-1:40 pm

1 stop26h 40m

Boston Logan Intl

Sat 7/11

5:05 pm-5:10 pm

1 stop17h 05m

$688

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/15

6:20 am-3:40 pm

1 stop16h 20m

Boston Logan Intl

Thu 7/9

8:05 pm-11:10 pm

1 stop20h 05m

$689

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/15

2:00 pm-8:10 pm

1 stop13h 10m

Boston Logan Intl

Sun 7/5

8:05 pm-11:10 pm

1 stop20h 05m

$689

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sun 6/14

1:55 pm-8:10 pm

1 stop13h 15m

Boston Logan Intl

Mon 6/29

8:05 pm-11:10 pm

1 stop20h 05m

$689

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/15

2:00 pm-8:10 pm

1 stop13h 10m

Boston Logan Intl

Tue 7/7

8:05 pm-11:10 pm

1 stop20h 05m

$689

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/15

2:00 pm-8:10 pm

1 stop13h 10m

Boston Logan Intl

Mon 7/6

8:05 pm-11:10 pm

1 stop20h 05m

$691

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sun 6/14

6:10 am-3:55 pm

1 stop16h 45m

Boston Logan Intl

Wed 7/8

8:05 pm-11:10 pm

1 stop20h 05m

$691

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/15

6:20 am-3:40 pm

1 stop16h 20m

Boston Logan Intl

Wed 7/8

8:05 pm-11:10 pm

1 stop20h 05m

$691

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/15

6:20 am-8:10 pm

1 stop20h 50m

Boston Logan Intl

Wed 8/26

12:30 pm-12:05 pm

2 stops16h 35m

$691

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 4/27

8:00 pm-1:35 pm

1 stop24h 35m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 17 results
1
2

Best time to book a flight from Sofia to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Sofia 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 Sofia to Massachusetts

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

Currently, March is the cheapest month in which you can book a flight from Sofia to Massachusetts (average of $517). Flying from Sofia to Massachusetts in August is currently the most expensive (average of $595). 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 SOF to MA?

Find hourly flight availability from Sofia to Massachusetts. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Sofia to Massachusetts is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 16% on airfare.

What is the cheapest day to fly from Sofia to Massachusetts?

Use this chart to determine the cheapest time to fly round-trip from Sofia to Massachusetts. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Sofia to Massachusetts flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Massachusetts

Get insights into the airlines that provide service to Massachusetts. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Massachusetts. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Sofia to Massachusetts, such as KLM, Air France, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,428 reviews

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,428 reviews
KLM
7.7
Good
1,428 reviews

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Air France
7.4
Good
1,507 reviews
KLM
7.7
Good
1,428 reviews

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,093 reviews
KLM
7.7
Good
1,428 reviews

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,102 reviews
KLM
7.7
Good
1,428 reviews

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,635 reviews
KLM
7.7
Good
1,428 reviews

Food

7.2

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Sofia to Massachusetts. 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 from for flights from Sofia to Massachusetts?

    If you book a flight to Massachusetts from Sofia, you will be flying from Sofia, which is the city’s only airport. Sofia (SOF) is located 4.2 mi from the center of Sofia.

  • How long is the flight from Sofia to Massachusetts?

    Airlines like ITA Airways and United Airlines fly from Sofia to Massachusetts in about 16h 20m. The time it takes to get you to your destination can typically vary by up to 10h 20m. There are 4521 mi between Sofia and Massachusetts. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Sofia to Massachusetts one-way?

    $548 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Lufthansa and Turkish Airlines, with prices starting from $574 and $580, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sofia to Massachusetts 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 Sofia to Massachusetts?

    Currently, March is the cheapest month in which you can book a flight from Sofia to Massachusetts (average of $517). Flying from Sofia to Massachusetts in August is currently the most expensive (average of $595). 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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Alternative routes for Sofia to Massachusetts

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Sofia to Massachusetts

Discover the top 8 airlines that operate flights from Sofia to Massachusetts. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$533Average$700FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$538Average$709FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$667FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$585Average$727FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$586Average$721FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$590Average$671FlexibilityNo cancel feeOn-time78%
SWISSCheapest$594Average$752FlexibilityNo cancel feeOn-time79%
ITA AirwaysCheapest$819Average$878FlexibilityNo cancel feeOn-time81%

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