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Bulgaria

$274+ Cheap flights from Massachusetts to Bulgaria

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SOF
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap flight deals from Massachusetts to Bulgaria

Cheapest flights from Massachusetts to Bulgaria
Explore the most affordable flight options available from Massachusetts to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
mar. 2/178:40 pm
BOS
-
SOF
1 stop14h 40m
Multiple Airlines
vie. 3/67:55 am
SOF
-
BOS
1 stop13h 10m
Multiple Airlines
Deal found 1/29$353
This Kiwi.com deal was found by Cheapflights users on 1/27. 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. 2/188:40 pm
BOS
-
SOF
1 stop14h 40m
Lufthansa
mié. 3/42:00 pm
SOF
-
BOS
1 stop11h 35m
Lufthansa
Deal found 1/27$360
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/259:50 pm
BOS
-
SOF
1 stop10h 25m
Multiple Airlines
mié. 3/42:00 pm
SOF
-
BOS
1 stop11h 35m
Multiple Airlines
Deal found 1/28$363
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/237:34 pm
BOS
-
SOF
2 stops16h 46m
Lufthansa
lun. 4/67:00 pm
SOF
-
BOS
1 stop27h 40m
Lufthansa
Deal found 1/28$369
This Mytrip deal was found by Cheapflights users on 1/27. 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.
mié. 2/188:40 pm
BOS
-
SOF
1 stop14h 40m
Multiple Airlines
mié. 3/47:55 am
SOF
-
BOS
2 stops18h 17m
Multiple Airlines
Deal found 1/27$374
This Mytrip deal was found by Cheapflights users on 1/27. 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. 4/2810:45 am
BOS
-
SOF
2 stops18h 25m
Multiple Airlines
mar. 5/126:55 pm
SOF
-
BOS
1 stop25h 55m
Multiple Airlines
Deal found 1/27$377
This FlightHub deal was found by Cheapflights users on 1/27. 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.
mar. 4/285:20 pm
BOS
-
SOF
1 stop10h 00m
SWISS
mar. 5/121:05 pm
SOF
-
BOS
1 stop13h 50m
SWISS
Deal found 1/27$379
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/48:40 pm
BOS
-
SOF
1 stop14h 40m
Multiple Airlines
mar. 5/56:55 pm
SOF
-
BOS
1 stop25h 55m
Multiple Airlines
Deal found 1/28$384
This FlightHub deal was found by Cheapflights users on 1/27. 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.
mar. 2/241:55 pm
BOS
-
VAR
2 stops18h 20m
Austrian Airlines
jue. 3/194:00 pm
VAR
-
BOS
1 stop29h 05m
Austrian Airlines
Deal found 1/27$397
This FlightHub deal was found by Cheapflights users on 1/27. 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.
mar. 2/241:55 pm
BOS
-
VAR
2 stops18h 20m
Multiple Airlines
jue. 3/194:00 pm
VAR
-
BOS
2 stops28h 10m
Multiple Airlines
Deal found 1/27$430
This Justfly.com deal was found by Cheapflights users on 1/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/188:00 pm
BOS
-
VAR
1 stop30h 10m
Turkish Airlines
vie. 3/610:00 am
VAR
-
BOS
1 stop15h 05m
Turkish Airlines
Deal found 1/27$501
This Turkish Airlines deal was found by Cheapflights users on 1/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/39:50 pm
BOS
-
VAR
1 stop21h 55m
Turkish Airlines
mar. 4/79:35 am
VAR
-
BOS
1 stop17h 20m
Turkish Airlines
Deal found 1/26$574

Find flight deals from Massachusetts to Bulgaria

Keep the following information in mind while searching for Massachusetts to Bulgaria flight deals. Data was last updated enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$353
(Kiwi.com)

One-way from

$274
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$561
Provider with most accurate pricing for Boston Logan Intl-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sofia flights.
Search Deals
From Massachusetts to Bulgaria
Search Deals
One-way flight from Massachusetts to Bulgaria
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Bulgaria 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 enero 29, 2026.
Use the filters below to find and compare flights from Massachusetts to Bulgaria that are best for you.

Fly from

Massachusetts

Fly to

Bulgaria

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 2/17

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

mar. 3/3

7:55 am-2:05 pm

1 stop13h 10m

$353

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 2/16

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

vie. 3/6

7:55 am-2:05 pm

1 stop13h 10m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 2/18

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

mar. 3/3

7:55 am-2:05 pm

1 stop13h 10m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 2/24

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

mar. 3/3

7:55 am-2:05 pm

1 stop13h 10m

$395

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 2/18

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

vie. 3/6

7:55 am-2:05 pm

1 stop13h 10m

$395

BostonVarna

BOS - VAR

BOSVAR

Boston Logan Intl

mar. 2/24

1:55 pm-3:15 pm

2 stops18h 20m

Varna

jue. 3/19

4:00 pm-3:05 pm

1 stop29h 05m

$397

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

dom. 5/3

8:05 pm-11:10 pm

1 stop20h 05m

Sofia

mié. 5/13

6:10 am-5:40 pm

1 stop18h 30m

$397

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 2/18

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

mié. 3/4

6:05 am-6:35 pm

1 stop19h 30m

$398

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 2/17

11:51 am-1:15 pm

2 stops18h 24m

Sofia

mar. 3/3

7:55 am-2:05 pm

1 stop13h 10m

$400

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 2/17

11:51 am-1:15 pm

2 stops18h 24m

Sofia

mié. 3/4

6:05 am-6:35 pm

1 stop19h 30m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 26 results
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Best time to book a flight from Massachusetts to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria 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 Bulgaria

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

Currently, November is the cheapest month in which you can book a flight from Massachusetts to Bulgaria (average of $356). Flying from Massachusetts to Bulgaria in May is currently the most expensive (average of $645). 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.

Related info for your journey

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

  • How long is the flight from Massachusetts to Bulgaria?

    A quick flight from Massachusetts to Bulgaria can take about 18h 20m. United Airlines provides one of the quickest options available for as low as $397. Airlines will cover a distance of 4677 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Austrian Airlines, with whom users have recently found tickets for as low as $229. However, be on the lookout for offers from Lufthansa and KLM, as they are both options that can get you from Massachusetts to Bulgaria for a low price.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Massachusetts to Bulgaria (average of $356). Flying from Massachusetts to Bulgaria in May is currently the most expensive (average of $645). 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 Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Massachusetts to Bulgaria

Discover the top 9 airlines that operate flights from Massachusetts to Bulgaria. 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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$356Average$543FlexibilityNo cancel feeOn-time78%
KLMCheapest$380Average$548FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$396Average$494FlexibilityNo cancel feeOn-time77%
SWISSCheapest$410Average$685FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$417Average$794FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$422Average$714FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$482Average$540FlexibilityNo cancel feeOn-time70%
ITA AirwaysCheapest$505Average$924FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$514Average$962FlexibilityNo cancel feeOn-time77%

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