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$293+ Cheap flights from Bulgaria to Boston (BOS)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — BOS
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap flight deals from Bulgaria to Boston

Cheapest flights from Bulgaria to Boston
Explore the most affordable flight options available from Bulgaria to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/85:25 pm
SOF
-
BOS
1 stop34h 30m
Multiple Airlines
dom. 3/2211:45 pm
BOS
-
SOF
2 stops33h 55m
Multiple Airlines
Deal found 1/26$533
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.
dom. 2/154:45 pm
SOF
-
BOS
1 stop35h 10m
Multiple Airlines
lun. 2/236:05 pm
BOS
-
SOF
2 stops21h 30m
Multiple Airlines
Deal found 1/27$539
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/56:00 am
SOF
-
BOS
2 stops21h 55m
Multiple Airlines
mar. 5/128:05 pm
BOS
-
SOF
1 stop20h 05m
Multiple Airlines
Deal found 1/26$562
This Kiwi.com deal was found by Cheapflights users on 1/25. 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. 4/296:00 am
SOF
-
BOS
2 stops22h 05m
Multiple Airlines
dom. 5/35:20 pm
BOS
-
SOF
1 stop14h 40m
Multiple Airlines
Deal found 1/25$590
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
dom. 2/155:45 am
SOF
-
BOS
2 stops46h 10m
Multiple Airlines
dom. 3/19:15 pm
BOS
-
SOF
1 stop33h 35m
Multiple Airlines
Deal found 1/25$594
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/152:20 pm
SOF
-
BOS
1 stop12h 45m
British Airways
jue. 5/287:25 am
BOS
-
SOF
1 stop23h 00m
British Airways
Deal found 1/26$598
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/179:25 pm
SOF
-
BOS
2 stops29h 02m
British Airways
mar. 7/76:10 am
BOS
-
SOF
2 stops31h 20m
British Airways
Deal found 1/26$604
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/89:25 pm
SOF
-
BOS
2 stops32h 17m
British Airways
mar. 10/69:50 pm
BOS
-
SOF
1 stop15h 50m
British Airways
Deal found 1/27$605
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.
dom. 2/155:25 pm
SOF
-
BOS
1 stop34h 30m
Multiple Airlines
mié. 2/256:05 pm
BOS
-
SOF
2 stops21h 45m
Multiple Airlines
Deal found 1/27$606

Find flight deals from Bulgaria to Boston

Keep the following information in mind while searching for Bulgaria to Boston flight deals. Data was last updated enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$533
(Kiwi.com)

One-way from

$293
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$680
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 Bulgaria to Boston Logan Intl
Search Deals
One-way flight from Bulgaria to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 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 Bulgaria to Boston 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 27, 2026.
Use the filters below to find and compare flights from Bulgaria to Boston that are best for you.

Fly from

Bulgaria

Fly to

Boston

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

jue. 3/12

7:00 am-2:20 pm

1 stop13h 20m

Boston Logan Intl

lun. 3/23

7:30 pm-2:05 pm

1 stop12h 35m

$622

SofiaBoston

SOF - BOS

SOFBOS

Sofia

dom. 2/15

2:30 pm-9:55 pm

1 stop14h 25m

Boston Logan Intl

dom. 3/1

7:00 pm-4:20 pm

2 stops14h 20m

$622

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 2/18

7:00 am-1:25 pm

1 stop13h 25m

Boston Logan Intl

mié. 2/25

6:30 pm-2:05 pm

1 stop12h 35m

$622

SofiaBoston

SOF - BOS

SOFBOS

Sofia

jue. 3/5

7:00 am-1:20 pm

1 stop13h 20m

Boston Logan Intl

mar. 5/12

6:50 pm-2:00 pm

1 stop12h 10m

$627

SofiaBoston

SOF - BOS

SOFBOS

Sofia

dom. 2/15

7:00 am-6:55 pm

1 stop18h 55m

Boston Logan Intl

mar. 2/24

6:30 pm-1:55 pm

1 stop12h 25m

$628

SofiaBoston

SOF - BOS

SOFBOS

Sofia

lun. 2/16

7:00 am-1:25 pm

1 stop13h 25m

Boston Logan Intl

mar. 2/24

6:30 pm-1:55 pm

1 stop12h 25m

$628

SofiaBoston

SOF - BOS

SOFBOS

Sofia

lun. 2/16

5:25 pm-4:15 pm

1 stop29h 50m

Boston Logan Intl

mar. 2/24

9:35 pm-8:10 pm

1 stop15h 35m

$629

SofiaBoston

SOF - BOS

SOFBOS

Sofia

jue. 3/12

7:00 am-2:20 pm

1 stop13h 20m

Boston Logan Intl

lun. 3/23

1:55 pm-2:05 pm

2 stops18h 10m

$632

SofiaBoston

SOF - BOS

SOFBOS

Sofia

dom. 2/15

7:00 am-1:25 pm

1 stop13h 25m

Boston Logan Intl

mié. 2/25

7:10 pm-2:05 pm

1 stop11h 55m

$633

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 4/29

6:50 pm-9:05 pm

1 stop33h 15m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results
1
2

Best time to book a flight from Bulgaria to Boston

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

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

Currently, March is the cheapest month in which you can book a flight from Bulgaria to Boston (average of $517). Flying from Bulgaria to Boston in December is currently the most expensive (average of $656). 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.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated enero 27, 2026.
Read through reviews of airlines operating flights from Bulgaria to Boston, such as KLM, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air France
7.4
Good
1,528 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,207 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,209 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,749 reviews
KLM
7.7
Good
1,443 reviews

Food

7.3

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria to Boston. 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 Boston from Bulgaria?

    For a flight from Bulgaria to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city.

  • How long is the flight from Bulgaria to Boston?

    British Airways and KLM can get you from Bulgaria to Boston in just under 13h 20m. Your travel time can differ by up to 1h 05m. Bulgaria and Boston are separated by a distance of 4521 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $548 on SWISS. Other airlines that offer cheap prices include Lufthansa from $578 and Turkish Airlines from $612 one-way.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Bulgaria to Boston (average of $517). Flying from Bulgaria to Boston in December is currently the most expensive (average of $656). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
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Hampton Beach
Watertown
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Brockton
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Seabrook
Cranston
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Smithfield
Peabody
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York Beach
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Swansea
Old Orchard Beach
Waltham
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Chelsea

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Top 7 airlines flying from Bulgaria to Boston

Discover the top 7 airlines that operate flights from Bulgaria to Boston. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$520Average$718FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$561Average$768FlexibilityNo cancel feeOn-time77%
KLMCheapest$562Average$673FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$586Average$753FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$586Average$729FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$588Average$671FlexibilityNo cancel feeOn-time78%
ITA AirwaysCheapest$819Average$878FlexibilityNo cancel feeOn-time81%

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