How long is the flight from Bulgaria to Boston?

KLM and United Airlines can get you from Bulgaria to Boston in just under 16h 35m. Your travel time can differ by up to 1h 55m. 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 $574 and Turkish Airlines from $580 one-way.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular airlines that fly from Bulgaria to Boston?

Consider Lufthansa, Turkish Airlines or United Airlines when booking your flight. These represent the most popular airlines when flying from Bulgaria to Boston.

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.

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.

$409+ Flights from Bulgaria to Boston

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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 December 15, 2025.

Fri 12/267:55 amSOF - BOS

1 stop13h 10mUnited Airlines

Sat 1/248:40 pmBOS - SOF

1 stop19h 05mUnited Airlines

Deal found 12/13

$700

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

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

Tue 12/236:00 amSOF - BOS

1 stop14h 25mUnited Airlines

Mon 1/55:20 amBOS - SOF

2 stops34h 25mUnited Airlines

Deal found 12/14

$735

Mon 12/293:00 pmSOF - BOS

1 stop12h 00mMultiple Airlines

Mon 6/88:05 pmBOS - SOF

1 stop20h 05mMultiple Airlines

Deal found 12/14

$736

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

Best flights from Bulgaria to Boston
Discover carefully curated flight deals from Bulgaria to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Wed 4/297:00 amSOF - BOS

1 stop18h 30mKLM

Wed 5/66:50 pmBOS - SOF

1 stop12h 10mKLM

Deal found 12/14

$672

Mon 6/86:20 amSOF - BOS

1 stop16h 35mUnited Airlines

Mon 6/298:05 pmBOS - SOF

1 stop20h 05mUnited Airlines

Deal found 12/13

$689

Wed 4/296:20 amSOF - BOS

1 stop16h 35mLufthansa

Wed 5/62:16 pmBOS - SOF

2 stops14h 49mLufthansa

Deal found 12/14

$691

Mon 5/47:00 amSOF - BOS

2 stops15h 19mKLM

Tue 5/124:35 pmBOS - SOF

1 stop14h 25mKLM

Deal found 12/14

$678

Thu 1/226:00 amSOF - BOS

1 stop14h 35mUnited Airlines

Wed 2/48:40 pmBOS - SOF

1 stop14h 40mUnited Airlines

Deal found 12/14

$689

Tue 6/96:10 amSOF - BOS

1 stop16h 45mUnited Airlines

Mon 6/298:05 pmBOS - SOF

1 stop20h 05mUnited Airlines

Deal found 12/13

$689

Mon 6/86:20 amSOF - BOS

1 stop16h 35mUnited Airlines

Sat 7/410:00 pmBOS - SOF

1 stop17h 50mUnited Airlines

Deal found 12/14

$690

Wed 4/296:20 amSOF - BOS

2 stops15h 32mUnited Airlines

Wed 5/62:16 pmBOS - SOF

2 stops14h 49mUnited Airlines

Deal found 12/14

$694

Mon 6/86:20 amSOF - BOS

1 stop16h 35mUnited Airlines

Tue 6/305:45 amBOS - SOF

2 stops22h 20mUnited Airlines

Deal found 12/13

$695

Tue 6/92:00 pmSOF - BOS

2 stops16h 54mUnited Airlines

Tue 6/308:05 pmBOS - SOF

1 stop20h 05mUnited Airlines

Deal found 12/13

$696

Wed 6/106:20 amSOF - BOS

2 stops24h 34mUnited Airlines

Sun 7/58:05 pmBOS - SOF

1 stop20h 05mUnited Airlines

Deal found 12/15

$697

Last-minute flights from Bulgaria to Boston
Discover last-minute flight deals from Bulgaria to Boston. Data last updated December 15, 2025 and is based on user searches.

Wed 1/1411:15 amSOF - BOS

2 stops40h 40mMultiple Airlines

Thu 1/2910:40 pmBOS - SOF

1 stop17h 35mMultiple Airlines

Deal found 12/15

$570

Wed 1/1411:15 amSOF - BOS

2 stops40h 40mMultiple Airlines

Thu 1/2210:40 pmBOS - SOF

1 stop17h 35mMultiple Airlines

Deal found 12/15

$578

Fri 1/164:50 pmSOF - BOS

1 stop35h 05mMultiple Airlines

Thu 1/2910:40 pmBOS - SOF

1 stop17h 35mMultiple Airlines

Deal found 12/13

$558

Thu 1/224:45 pmSOF - BOS

2 stops28h 50mMultiple Airlines

Wed 2/47:25 pmBOS - SOF

2 stops19h 20mMultiple Airlines

Deal found 12/14

$670

Thu 1/226:00 amSOF - BOS

1 stop14h 35mUnited Airlines

Wed 2/48:40 pmBOS - SOF

1 stop14h 40mUnited Airlines

Deal found 12/14

$689

Wed 1/286:05 amSOF - BOS

2 stops45h 50mMultiple Airlines

Fri 10/95:30 pmBOS - SOF

1 stop13h 10mMultiple Airlines

Deal found 12/13

$663

Thu 1/2911:15 pmSOF - BOS

2 stops52h 40mMultiple Airlines

Thu 2/510:40 pmBOS - SOF

1 stop17h 35mMultiple Airlines

Deal found 12/15

$556

Sat 1/316:45 amSOF - BOS

2 stops21h 10mMultiple Airlines

Fri 10/911:00 pmBOS - SOF

1 stop19h 30mMultiple Airlines

Deal found 12/13

$646

One-way flights from Bulgaria to Boston
Search for one-way flight options from Bulgaria to Boston. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Mon 4/278:00 pmSOF - BOS

1 stop24h 35mMultiple Airlines

Deal found 12/12

$409

Thu 1/155:00 amSOF - BOS

2 stops22h 55mMultiple Airlines

Deal found 12/14

$416

Mon 4/278:00 pmSOF - BOS

2 stops29h 40mBritish Airways

Deal found 12/14

$423

Tue 1/139:35 amSOF - BOS

1 stop15h 30mTurkish Airlines

Deal found 12/14

$690

Tue 1/137:55 amSOF - BOS

2 stops16h 19mAustrian Airlines

Deal found 12/14

$692

Wed 12/249:35 amSOF - BOS

1 stop15h 30mTurkish Airlines

Deal found 12/14

$750

Sun 1/48:55 pmSOF - BOS

3 stops54h 00mMultiple Airlines

Deal found 12/13

$900

Tue 12/309:35 amSOF - BOS

1 stop15h 30mTurkish Airlines

Deal found 12/14

$1,081

Find flight deals from Bulgaria to Boston

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$558 (Kiwi.com)
One-way from	$409 (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 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. 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

Fly from

Fly to

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 4/29

7:00 am-6:30 pm

1 stop18h 30m

Boston Logan Intl

Wed 5/6

6:50 pm-2:00 pm

1 stop12h 10m

$672

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 5/4

7:00 am-3:19 pm

2 stops15h 19m

Boston Logan Intl

Tue 5/12

4:35 pm-2:00 pm

1 stop14h 25m

$678

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/8

6:20 am-3:55 pm

1 stop16h 35m

Boston Logan Intl

Mon 6/29

8:05 pm-11:10 pm

1 stop20h 05m

$689

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 1/22

6:00 am-1:35 pm

1 stop14h 35m

Boston Logan Intl

Wed 2/4

8:40 pm-6:20 pm

1 stop14h 40m

$689

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Tue 6/9

6:10 am-3:55 pm

1 stop16h 45m

Boston Logan Intl

Mon 6/29

8:05 pm-11:10 pm

1 stop20h 05m

$689

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/8

6:20 am-3:55 pm

1 stop16h 35m

Boston Logan Intl

Sat 7/4

10:00 pm-10:50 pm

1 stop17h 50m

$690

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 4/29

6:20 am-3:55 pm

1 stop16h 35m

Boston Logan Intl

Wed 5/6

2:16 pm-12:05 pm

2 stops14h 49m

$691

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 4/29

6:20 am-2:52 pm

2 stops15h 32m

Boston Logan Intl

Wed 5/6

2:16 pm-12:05 pm

2 stops14h 49m

$694

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/8

6:20 am-3:55 pm

1 stop16h 35m

Boston Logan Intl

Tue 6/30

5:45 am-11:05 am

2 stops22h 20m

$695

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Tue 6/9

2:00 pm-11:54 pm

2 stops16h 54m

Boston Logan Intl

Tue 6/30

8:05 pm-11:10 pm

1 stop20h 05m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 17 results

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 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 BG to BOS?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% on flights from Bulgaria to Boston by exploring options for tickets in the evening.

What is the cheapest day to fly from Bulgaria to Boston?

Travelers seeking maximum savings on their Bulgaria to Boston 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 Boston

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

1,430 reviews

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

1,430 reviews

KLM

7.7

Good

1,430 reviews

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

1,506 reviews

KLM

7.7

Good

1,430 reviews

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

9,092 reviews

KLM

7.7

Good

1,430 reviews

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

4,097 reviews

KLM

7.7

Good

1,430 reviews

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

7,628 reviews

KLM

7.7

Good

1,430 reviews

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

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?
KLM and United Airlines can get you from Bulgaria to Boston in just under 16h 35m. Your travel time can differ by up to 1h 55m. 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 $574 and Turkish Airlines from $580 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 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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Hampton Beach

Watertown

Seabrook

Seekonk

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Cranston

Lincoln

Lowell

Smithfield

Peabody

Quincy

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Swansea

Old Orchard Beach

Waltham

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Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Bulgaria to Boston

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$533	Average$700	FlexibilityNo cancel fee	On-time77%
Air France	Cheapest$538	Average$709	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$556	Average$667	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$585	Average$727	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$586	Average$721	FlexibilityNo cancel fee	On-time69%
Austrian Airlines	Cheapest$590	Average$671	FlexibilityNo cancel fee	On-time78%
SWISS	Cheapest$594	Average$752	FlexibilityNo cancel fee	On-time79%
ITA Airways	Cheapest$819	Average$878	FlexibilityNo cancel fee	On-time81%

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$409+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Bulgaria to Boston with Cheapflights

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Cheap flight deals from Bulgaria to Boston

Cheapest flights from Bulgaria to BostonExplore 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 December 15, 2025.

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 December 15, 2025.

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 December 15, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bulgaria to Boston that are best for you.

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.

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?

What is the cheapest time of day to fly from BG to BOS?

Find hourly flight availability from Bulgaria to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

What is the cheapest day to fly from Bulgaria to Boston?

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

Reviews of airlines servicing Boston

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.

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?

How long is the flight from Bulgaria to Boston?

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

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

How can I find direct flights from Bulgaria to Boston?

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

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

Traveling to a place near Boston?

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Alternative routes for Bulgaria to Boston

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Top 8 airlines flying from Bulgaria to Boston

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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 December 15, 2025.