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$563+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — BOS
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Cheap flight deals from Bulgaria to Boston

Keep the following information in mind while searching for Bulgaria to Boston flight deals. Data was last updated April 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$616
(United Airlines)

One-way from

$563
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$715
Provider with most accurate pricing for Sofia-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Sofia-Boston Logan Intl flights.
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From Bulgaria to Boston Logan Intl
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One-way flight from Bulgaria to Boston Logan Intl
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Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 28, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:15 amSOF - BOS
2 stops34h 20mUnited Airlines
Wed 8/138:05 pmBOS - SOF
1 stop19h 55mUnited Airlines
Deal found 4/28$616
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:20 amSOF - BOS
2 stops34h 15mAir Canada
Tue 5/276:20 pmBOS - SOF
2 stops33h 55mAir Canada
Deal found 4/28$630
This Netflights deal was found by Cheapflights users on 4/28. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:45 pmSOF - BOS
1 stop11h 55mLufthansa
Sat 5/3110:00 pmBOS - SOF
1 stop17h 50mLufthansa
Deal found 4/28$631
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Tue 5/131:15 pmSOF - BOS
1 stop13h 40mSWISS
Tue 5/279:40 pmBOS - SOF
1 stop29h 25mSWISS
Deal found 4/28$634
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/201:15 pmSOF - BOS
1 stop13h 40mMultiple Airlines
Sun 9/1410:00 pmBOS - SOF
1 stop17h 50mMultiple Airlines
Deal found 4/28$639
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/162:20 pmSOF - BOS
2 stops15h 29mBritish Airways
Sat 5/317:21 pmBOS - SOF
2 stops17h 59mBritish Airways
Deal found 4/28$828
This AranGrant deal was found by Cheapflights users on 4/28. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2512:55 pmSOF - BOS
1 stop31h 45mITA Airways
Sun 7/65:05 pmBOS - SOF
1 stop11h 55mITA Airways
Deal found 4/28$2,291

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 April 28, 2025.
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

Fri 5/23

6:15 am-9:35 am

2 stops34h 20m

Boston Logan Intl

Wed 8/13

8:05 pm-11:00 pm

1 stop19h 55m

$616

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Tue 5/13

6:20 am-9:35 am

2 stops34h 15m

Boston Logan Intl

Tue 5/27

6:20 pm-11:15 am

2 stops33h 55m

$630

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 5/17

12:45 pm-5:40 pm

1 stop11h 55m

Boston Logan Intl

Sat 5/31

10:00 pm-10:50 pm

1 stop17h 50m

$631

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Tue 5/13

1:15 pm-7:55 pm

1 stop13h 40m

Boston Logan Intl

Tue 5/27

9:40 pm-10:05 am

1 stop29h 25m

$634

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Tue 5/20

1:15 pm-7:55 pm

1 stop13h 40m

Boston Logan Intl

Sun 9/14

10:00 pm-10:50 pm

1 stop17h 50m

$639

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Fri 5/16

2:20 pm-10:49 pm

2 stops15h 29m

Boston Logan Intl

Sat 5/31

7:21 pm-8:20 pm

2 stops17h 59m

$828

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 6/25

12:55 pm-1:40 pm

1 stop31h 45m

Boston Logan Intl

Sun 7/6

5:05 pm-12:00 pm

1 stop11h 55m

$2,291

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 8/18

5:00 am-9:15 pm

3 stops23h 15m

$563

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/16

1:30 pm-3:05 pm

1 stop32h 35m

$574

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 8/20

12:45 pm-5:40 pm

1 stop11h 55m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 17 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, January is the cheapest month in which you can book a flight from Bulgaria to Boston (average of $218). Flying from Bulgaria to Boston in July is currently the most expensive (average of $311). 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?

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 April 28, 2025.

When flying from Bulgaria to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

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.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

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).

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 April 28, 2025.
Austrian Airlines
7.6
Good
780 reviews

Overall

7.6

Crew

8.1

Entertainment

6.7

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Overall

7.6

Crew

8.1

Entertainment

6.7

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,587 reviews
Austrian Airlines
7.6
Good
780 reviews

Overall

7.6

Crew

8.1

Entertainment

6.7

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Qatar Airways
7.4
Good
3,561 reviews
Austrian Airlines
7.6
Good
780 reviews

Overall

7.6

Crew

8.1

Entertainment

6.7

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air France
7.4
Good
1,444 reviews
Austrian Airlines
7.6
Good
780 reviews

Overall

7.6

Crew

8.1

Entertainment

6.7

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,696 reviews
Austrian Airlines
7.6
Good
780 reviews

Overall

7.6

Crew

8.1

Entertainment

6.7

Boarding

7.6

Food

6.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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.

  • 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 $574 on Qatar Airways. Other airlines that offer cheap prices include Lufthansa from $591 and Air Serbia from $597 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, January is the cheapest month in which you can book a flight from Bulgaria to Boston (average of $218). Flying from Bulgaria to Boston in July is currently the most expensive (average of $311). 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 Bulgaria?

Book flights to Bulgaria if you plan to visit one of these locations
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

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Alternative routes for Bulgaria to Boston

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

Discover the top 8 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$500Average$647FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$520Average$667FlexibilityNo cancel feeOn-time77%
KLMCheapest$520Average$685FlexibilityNo cancel feeOn-time75%
SWISSCheapest$525Average$727FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$538Average$637FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$567Average$680FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$573Average$712FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$574Average$716FlexibilityNo cancel feeOn-time76%

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