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$240+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOF
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$435
(oojo)

One-way from

$240
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$829
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. 4% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/319:40 pmBOS - SOF
1 stop31h 50mSWISS
mar. 9/301:15 pmSOF - BOS
1 stop33h 10mSWISS
Deal found 7/30$435
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
jue. 8/218:05 pmBOS - SOF
1 stop15h 35mLufthansa
jue. 9/46:00 amSOF - BOS
1 stop18h 40mLufthansa
Deal found 7/31$438
This Mytrip deal was found by Cheapflights users on 7/29. 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.
mar. 8/1910:35 amBOS - SOF
2 stops18h 25mMultiple Airlines
mar. 9/26:20 amSOF - BOS
2 stops18h 20mMultiple Airlines
Deal found 7/29$439
This Air Canada deal was found by Cheapflights users on 7/31. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/83:15 pmBOS - SOF
2 stops19h 35mAir Canada
vie. 9/196:00 amSOF - BOS
2 stops34h 30mAir Canada
Deal found 7/31$440
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
vie. 9/125:10 pmBOS - SOF
1 stop18h 00mAustrian Airlines
vie. 9/198:00 amSOF - BOS
1 stop12h 50mAustrian Airlines
Deal found 7/29$442
This United Airlines deal was found by Cheapflights users on 7/30. 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.
lun. 10/612:10 pmBOS - SOF
2 stops16h 50mUnited Airlines
jue. 10/1612:45 pmSOF - BOS
1 stop11h 55mUnited Airlines
Deal found 7/30$447
This British Airways deal was found by Cheapflights users on 7/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/309:35 pmBOS - SOF
1 stop11h 45mBritish Airways
sáb. 12/2012:05 pmSOF - BOS
1 stop14h 40mBritish Airways
Deal found 7/29$461

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 julio 31, 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

dom. 8/31

9:40 pm-12:30 pm

1 stop31h 50m

Sofia

mar. 9/30

1:15 pm-3:25 pm

1 stop33h 10m

$435

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

jue. 8/21

8:05 pm-6:40 pm

1 stop15h 35m

Sofia

jue. 9/4

6:00 am-5:40 pm

1 stop18h 40m

$438

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 8/19

10:35 am-12:00 pm

2 stops18h 25m

Sofia

mar. 9/2

6:20 am-5:40 pm

2 stops18h 20m

$439

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 9/8

3:15 pm-5:50 pm

2 stops19h 35m

Sofia

vie. 9/19

6:00 am-9:30 am

2 stops34h 30m

$440

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

vie. 9/12

5:10 pm-6:10 pm

1 stop18h 00m

Sofia

vie. 9/19

8:00 am-1:50 pm

1 stop12h 50m

$442

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 10/6

12:10 pm-12:00 pm

2 stops16h 50m

Sofia

jue. 10/16

12:45 pm-5:40 pm

1 stop11h 55m

$447

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

dom. 11/30

9:35 pm-4:20 pm

1 stop11h 45m

Sofia

sáb. 12/20

12:05 pm-7:45 pm

1 stop14h 40m

$461

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

dom. 9/21

10:55 pm-1:35 pm

2 stops31h 40m

$240

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

dom. 10/26

9:40 pm-10:45 pm

1 stop19h 05m

$357

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

dom. 12/21

8:10 am-3:30 pm

2 stops24h 20m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 14 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 $632). Flying from Massachusetts to Sofia in June is currently the most expensive (average of $1,187). 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 julio 31, 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.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated julio 31, 2025.
See what other customers who have flown with Austrian Airlines, SWISS, and United Airlines from Massachusetts to Sofia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
823 reviews

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
823 reviews
Austrian Airlines
7.6
Good
823 reviews

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
SWISS
7.5
Good
1,686 reviews
Austrian Airlines
7.6
Good
823 reviews

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
United Airlines
7.4
Good
8,900 reviews
Austrian Airlines
7.6
Good
823 reviews

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
JetBlue
7.3
Good
2,914 reviews
Austrian Airlines
7.6
Good
823 reviews

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Air Canada
7.1
Good
9,851 reviews
Austrian Airlines
7.6
Good
823 reviews

Food

6.8

Entertainment

6.8

Comfort

7.3

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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.

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

    $357 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on JetBlue and British Airways, with prices starting from $460 and $513, respectively.

  • 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, Provincetown - Sofia or Hartford Bradley Intl - 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 $1,187). 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 Massachusetts to Sofia

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

Discover the top 8 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$416Average$725FlexibilityNo cancel feeOn-time77%
SWISSCheapest$437Average$771FlexibilityNo cancel feeOn-time79%
KLMCheapest$457Average$818FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$505Average$819FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$510Average$570FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$511Average$618FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$572Average$879FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$637Average$890FlexibilityNo cancel feeOn-time78%

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