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$311+ Cheap flights from Sofia (SOF) 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — BOS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Sofia to Boston Logan Intl are usually found in March or January, booked 28 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Sofia to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$514
(British Airways)

One-way from

$311
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$621
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.
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From Sofia to Boston Logan Intl
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One-way flight from Sofia to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Sofia to Boston

Cheapest flights from Sofia to Boston
Explore the most affordable flight options available from Sofia to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This British Airways deal was found by Cheapflights users on 2/19. 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.
Sat 3/812:05 pmSOF - BOS
1 stop16h 50mBritish Airways
Fri 3/218:30 amBOS - SOF
1 stop20h 45mBritish Airways
Deal found 2/19$514
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Thu 3/66:10 amSOF - BOS
2 stops17h 50mMultiple Airlines
Wed 3/197:20 pmBOS - SOF
2 stops17h 25mMultiple Airlines
Deal found 2/19$543
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 5/86:15 amSOF - BOS
2 stops18h 54mUnited Airlines
Mon 5/198:05 pmBOS - SOF
1 stop19h 55mUnited Airlines
Deal found 2/20$571
This American Airlines deal was found by Cheapflights users on 2/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/78:15 pmSOF - BOS
1 stop32h 40mAmerican Airlines
Sat 3/227:39 pmBOS - SOF
2 stops38h 41mAmerican Airlines
Deal found 2/18$586
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:00 amSOF - BOS
1 stop18h 40mLufthansa
Sun 5/188:05 pmBOS - SOF
1 stop19h 55mLufthansa
Deal found 2/20$587
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Wed 7/26:00 amSOF - BOS
2 stops34h 35mAir Canada
Sun 7/203:20 pmBOS - SOF
2 stops19h 30mAir Canada
Deal found 2/18$598
This Austrian Airlines deal was found by Cheapflights users on 2/18. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/812:35 pmSOF - BOS
1 stop32h 35mAustrian Airlines
Wed 3/267:25 pmBOS - SOF
1 stop16h 35mAustrian Airlines
Deal found 2/18$601
This Air France deal was found by Cheapflights users on 2/19. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/97:00 amSOF - BOS
1 stop20h 20mAir France
Tue 9/23:34 pmBOS - SOF
2 stops15h 26mAir France
Deal found 2/19$604
This SWISS deal was found by Cheapflights users on 2/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/131:45 pmSOF - BOS
2 stops13h 35mSWISS
Thu 3/2710:55 pmBOS - SOF
2 stops37h 15mSWISS
Deal found 2/18$645
This ITA Airways deal was found by Cheapflights users on 2/19. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/136:00 pmSOF - BOS
1 stop26h 40mITA Airways
Sat 8/95:05 pmBOS - SOF
1 stop17h 05mITA Airways
Deal found 2/19$679
This oojo deal was found by Cheapflights users on 2/20. 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.
Sun 4/133:35 pmSOF - BOS
1 stop35h 05mTurkish Airlines
Sun 4/209:35 pmBOS - SOF
1 stop15h 50mTurkish Airlines
Deal found 2/20$688
This KLM deal was found by Cheapflights users on 2/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:00 amSOF - BOS
1 stop16h 25mKLM
Sun 4/208:15 pmBOS - SOF
1 stop10h 45mKLM
Deal found 2/19$748

Find flights from Sofia to Boston within your budget

Customize your flight search to find flights from Sofia 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 February 20, 2025.

Fly from

Sofia

Fly to

Boston

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 3/8

12:05 pm-9:55 pm

1 stop16h 50m

Boston Logan Intl

Fri 3/21

8:30 am-11:15 am

1 stop20h 45m

$514

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 3/6

6:10 am-5:00 pm

2 stops17h 50m

Boston Logan Intl

Wed 3/19

7:20 pm-6:45 pm

2 stops17h 25m

$543

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 5/8

6:15 am-6:09 pm

2 stops18h 54m

Boston Logan Intl

Mon 5/19

8:05 pm-11:00 pm

1 stop19h 55m

$571

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Fri 3/7

8:15 pm-9:55 pm

1 stop32h 40m

Boston Logan Intl

Sat 3/22

7:39 pm-4:20 pm

2 stops38h 41m

$586

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Fri 5/9

6:00 am-5:40 pm

1 stop18h 40m

Boston Logan Intl

Sun 5/18

8:05 pm-11:00 pm

1 stop19h 55m

$587

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Wed 7/2

6:00 am-9:35 am

2 stops34h 35m

Boston Logan Intl

Sun 7/20

3:20 pm-5:50 pm

2 stops19h 30m

$598

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sat 3/8

12:35 pm-2:10 pm

1 stop32h 35m

Boston Logan Intl

Fri 3/21

7:25 pm-11:55 pm

1 stop22h 30m

$601

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 6/9

7:00 am-8:20 pm

1 stop20h 20m

Boston Logan Intl

Tue 9/2

3:34 pm-2:00 pm

2 stops15h 26m

$604

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 3/13

1:45 pm-9:20 pm

2 stops13h 35m

Boston Logan Intl

Sun 3/23

10:55 pm-1:00 pm

2 stops32h 05m

$645

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Sun 7/13

6:00 pm-1:40 pm

1 stop26h 40m

Boston Logan Intl

Sat 8/9

5:05 pm-5:10 pm

1 stop17h 05m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results
1
2

Compare providers for flights from Sofia to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sofia to Boston in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sofia-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sofia-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sofia to Boston

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

Travel insights for flights from Sofia to Boston

Get recent, data-driven insights about flights from Sofia to Boston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Sofia to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Sofia to Boston. Price data was last updated on February 14, 2025.

The price you pay for your flight from Sofia to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Sofia to Boston (average of $218). Flying from Sofia 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 SOF to BOS?

Find hourly flight availability from Sofia 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 February 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Sofia to Boston in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

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

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

Travelers seeking maximum savings on their Sofia to Boston flight should consider departing on Tuesday 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.

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 February 20, 2025.
Emirates
8.1
Very good
3,276 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very good
3,276 reviews
Emirates
8.1
Very good
3,276 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

KLM
7.8
Good
1,333 reviews
Emirates
8.1
Very good
3,276 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Austrian Airlines
7.6
Good
773 reviews
Emirates
8.1
Very good
3,276 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

SWISS
7.5
Good
1,568 reviews
Emirates
8.1
Very good
3,276 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Qatar Airways
7.4
Good
3,613 reviews
Emirates
8.1
Very good
3,276 reviews

Entertainment

8.2

Boarding

8.1

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.3

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

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

  • What are the cheapest airlines flying from Sofia to Boston round-trip?

    British Airways, at $514, was found to be the cheapest airline from Sofia to Boston.Alternate airlines to your destination round-trip include United Airlines and American Airlines. British Airways is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Qatar Airways, with whom users have recently found tickets for as low as $538. However, be on the lookout for offers from Emirates and SWISS, as they are both options that can get you from Sofia to Boston for a low price.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sofia to Boston (average of $218). Flying from Sofia 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 Sofia?

Book flights to Sofia if you plan to visit one of these locations
Warwick
Marlborough
Brockton
Waltham
Cambridge
Sturbridge
Framingham
Somerville
Chestnut Hill
Seekonk
Randolph
Lowell
Watertown
West Yarmouth
Woburn
Saco
Seabrook
Salem
Brookline
Fall River

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Top 9 airlines flying from Sofia to Boston

Discover the top 9 airlines that operate flights from Sofia 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$503Average$640FlexibilityNo cancel feeOn-time70%
KLMCheapest$517Average$687FlexibilityNo cancel feeOn-time75%
SWISSCheapest$525Average$727FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$538Average$644FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$567Average$719FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$574Average$694FlexibilityNo cancel feeOn-time76%
ITA AirwaysCheapest$574Average$687FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$576Average$667FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$582Average$715FlexibilityNo cancel feeOn-time69%
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