Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sofia to Boston from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Boston departing on 3/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sofia to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:30 pm - 9:05 pm
SOF
-
BOS
32h 35m
2 stops
Multiple Airlines Logo
10:50 pm - 2:15 pm
BOS
-
SOF
32h 25m
1 stop
$610Multiple Airlines
Thu, Apr 9 - Sat, Apr 25
Multiple Airlines Logo
5:45 am - 8:55 pm
SOF
-
BOS
22h 10m
2 stops
Multiple Airlines Logo
5:10 pm - 3:20 pm
BOS
-
SOF
15h 10m
1 stop
$625Multiple Airlines
Thu, Mar 5 - Tue, Oct 20
Multiple Airlines Logo
4:45 pm - 9:55 pm
SOF
-
BOS
35h 10m
1 stop
Multiple Airlines Logo
10:50 pm - 11:30 am
BOS
-
SOF
29h 40m
2 stops
$638Multiple Airlines
Mon, Mar 16 - Sun, Mar 29
Turkish Airlines Logo
3:50 pm - 7:55 pm
SOF
-
BOS
35h 05m
1 stop
Turkish Airlines Logo
9:50 pm - 1:15 pm
BOS
-
SOF
32h 25m
1 stop
$658Turkish Airlines
Thu, Apr 16 - Wed, May 6
Turkish Airlines Logo
4:00 pm - 7:05 pm
SOF
-
BOS
33h 05m
1 stop
Turkish Airlines Logo
9:50 pm - 3:00 pm
BOS
-
SOF
34h 10m
1 stop
$659Turkish Airlines
Mon, Mar 16 - Sun, Mar 29
Multiple Airlines Logo
6:10 am - 2:10 pm
SOF
-
BOS
14h 00m
1 stop
Multiple Airlines Logo
2:16 pm - 11:50 am
BOS
-
SOF
14h 34m
2 stops
$669Multiple Airlines
Mon, Mar 9 - Wed, Dec 2
Multiple Airlines Logo
7:00 am - 2:20 pm
SOF
-
BOS
13h 20m
1 stop
Multiple Airlines Logo
7:30 pm - 2:05 pm
BOS
-
SOF
12h 35m
1 stop
$677Multiple Airlines
Thu, Mar 12 - Mon, Mar 23
Multiple Airlines Logo
7:00 am - 2:20 pm
SOF
-
BOS
13h 20m
1 stop
Multiple Airlines Logo
7:30 pm - 2:05 pm
BOS
-
SOF
12h 35m
1 stop
$678Multiple Airlines
Thu, Mar 12 - Mon, Mar 23
Austrian Airlines Logo
12:35 pm - 2:05 pm
SOF
-
BOS
32h 30m
1 stop
Austrian Airlines Logo
2:16 pm - 11:50 am
BOS
-
SOF
14h 34m
2 stops
$680Austrian Airlines
Thu, Mar 5 - Wed, Dec 2
KLM Logo
7:00 am - 2:20 pm
SOF
-
BOS
13h 20m
1 stop
KLM Logo
8:10 pm - 2:05 pm
BOS
-
SOF
11h 55m
1 stop
$683KLM
Thu, Mar 12 - Tue, Mar 24

Turkish Airlines flights from Sofia to Boston

Our best Turkish Airlines deals on Sofia to Boston flight tickets
Turkish Airlines
Apr 16
SOF3:50 pmSofia
35h 05m
1 stop
BOS7:55 pmBoston Logan Intl
May 6
BOS9:50 pmBoston Logan Intl
32h 25m
1 stop
SOF1:15 pmSofia
$658
Turkish Airlines
Mar 16
SOF4:00 pmSofia
33h 05m
1 stop
BOS7:05 pmBoston Logan Intl
Mar 29
BOS9:50 pmBoston Logan Intl
34h 10m
1 stop
SOF3:00 pmSofia
$659
Turkish Airlines
Mar 5
SOF4:00 pmSofia
33h 05m
1 stop
BOS6:05 pmBoston Logan Intl
Dec 2
BOS8:00 pmBoston Logan Intl
17h 50m
1 stop
SOF8:50 pmSofia
$717

Air Canada flights from Sofia to Boston

Our best Air Canada deals on Sofia to Boston flight tickets
Air Canada
Jun 10
SOF6:20 amSofia
15h 27m
2 stops
BOS2:47 pmBoston Logan Intl
Sep 25
BOS10:40 amBoston Logan Intl
17h 10m
2 stops
SOF10:50 amSofia
$706
Air Canada
Jun 22
SOF2:20 pmSofia
31h 21m
2 stops
BOS2:41 pmBoston Logan Intl
Jul 16
BOS10:40 amBoston Logan Intl
19h 40m
2 stops
SOF1:20 pmSofia
$708
Air Canada
Jun 15
SOF2:20 pmSofia
58h 25m
2 stops
BOS5:45 pmBoston Logan Intl
Sep 19
BOS6:25 pmBoston Logan Intl
36h 10m
2 stops
SOF1:35 pmSofia
$722

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Sofia to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 4/9

7:30 pm-9:05 pm

2 stops32h 35m

Boston Logan Intl

Sat 4/25

10:50 pm-2:15 pm

1 stop32h 25m

$610

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 3/5

5:45 am-8:55 pm

2 stops22h 10m

Boston Logan Intl

Tue 10/20

5:10 pm-3:20 pm

1 stop15h 10m

$625

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 3/16

4:45 pm-9:55 pm

1 stop35h 10m

Boston Logan Intl

Sun 3/29

10:50 pm-11:30 am

2 stops29h 40m

$638

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 4/16

3:50 pm-7:55 pm

1 stop35h 05m

Boston Logan Intl

Wed 5/6

9:50 pm-1:15 pm

1 stop32h 25m

$658

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 3/16

4:00 pm-7:05 pm

1 stop33h 05m

Boston Logan Intl

Sun 3/29

9:50 pm-3:00 pm

1 stop34h 10m

$659

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Mon 3/9

6:10 am-2:10 pm

1 stop14h 00m

Boston Logan Intl

Wed 12/2

2:16 pm-11:50 am

2 stops14h 34m

$669

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 3/12

7:00 am-2:20 pm

1 stop13h 20m

Boston Logan Intl

Mon 3/23

7:30 pm-2:05 pm

1 stop12h 35m

$677

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 3/12

7:00 am-2:20 pm

1 stop13h 20m

Boston Logan Intl

Mon 3/23

7:30 pm-2:05 pm

1 stop12h 35m

$678

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 3/5

12:35 pm-2:05 pm

1 stop32h 30m

Boston Logan Intl

Wed 12/2

2:16 pm-11:50 am

2 stops14h 34m

$680

SofiaBoston

SOF - BOS

SOFBOS

Sofia

Thu 3/12

7:00 am-2:20 pm

1 stop13h 20m

Boston Logan Intl

Tue 3/24

8:10 pm-2:05 pm

1 stop11h 55m

$683

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Boston from

How to get the cheapest flight ticket from Sofia to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

In general, January is the cheapest month to fly from Sofia to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $652. If you aren’t able to travel during the month of January, then book flights to Boston from Sofia during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $652.

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $717 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Sofia for as low as $547 on momondo.

Can stopping save me money on Sofia to Boston flights?

You could potentially save up to 28% on your flight if you consider stops on a Sofia to Boston flight.

How have Sofia to Boston flight prices changed over time?

When to book flights from Sofia to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sofia to Boston (SOF to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Boston

Fastest flight time

13h 20m

Direct flights

None
The fastest flight from Sofia to Boston takes 13h 20m
There are no direct flights from Sofia to Boston. There are no popular flight routes from Sofia to Boston.
Search flight deals

  • How far is Sofia to Boston Logan Intl by plane?

    The distance between Sofia and Boston Logan Intl is about 4519.3 mi. In terms of flight time, this usually takes a little over 13h 20m.

  • When did momondo last update prices for flights from Sofia Airport to Boston Logan Intl Airport?

    Prices for flights from Sofia Airport to Boston Logan Intl Airport are updated daily.

  • How many operators does momondo search for flights from Sofia Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Sofia Airport to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sofia to Boston?

Best airlines flying from Sofia to Boston

Compare and see reviews for airlines that fly from Sofia to Boston with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $520Free CancellationRating
7.3
4,220 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $561Free CancellationRating
7.4
1,534 reviews
Search Air France flights
KLMPriceFrom $562Free CancellationRating
7.7
1,455 reviews
Search KLM flights
United AirlinesPriceFrom $586Free CancellationRating
7.4
9,308 reviews
Search United Airlines flights
LufthansaPriceFrom $586Free CancellationRating
6.8
7,786 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom $588Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights
ITA AirwaysPriceFrom $819Free CancellationRating
6.7
1,149 reviews
Search ITA Airways flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Plymouth
Cambridge
South Yarmouth
Narragansett
Gloucester
Falmouth
Nashua
Brockton
Laconia
Warwick
Sturbridge
Chatham
Everett

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Boston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from Sofia.

Can I find flights from Sofia to Boston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Boston from Sofia with this policy.

How can momondo help me find flights from Sofia to Boston?

momondo helps you find the best flight between Sofia and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sofia to Boston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sofia to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 3/18
Wed 3/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States