Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Sofia from $271

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Sofia departing on 2/17. 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

Deals available from 900+ travel sites.

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.

Find the cheapest flights from Boston to Sofia

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to Sofia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to Sofia.

Cheap last minute flights

Planning a quick getaway from Boston to Sofia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sofia, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to Sofia

Find recent round-trip train or bus tickets from Boston to Sofia.

All round-trip flight deals from Boston to Sofia

The cheapest plane tickets from Boston to Sofia found on KAYAK recently.
11:25 pm - 12:15 pmBOS-SOF
29h 50m1 stop
10:30 pm - 8:55 pmSOF-BOS
53h 25m2 stops
Thu, Jan 30 - Thu, Feb 6
11:25 pm - 12:30 pmBOS-SOF
30h 05m2 stops
5:45 am - 9:40 pmSOF-BOS
22h 55m1 stop
Thu, Feb 6 - Tue, Feb 18
9:00 pm - 8:55 amBOS-SOF
29h 55m1 stop
9:45 am - 7:05 pmSOF-BOS
15h 20m1 stop
$517Turkish Airlines
Find Deal
Mon, Mar 10 - Mon, Mar 24
9:00 pm - 8:50 pmBOS-SOF
17h 50m1 stop
9:15 pm - 7:40 pmSOF-BOS
29h 25m1 stop
$530Turkish Airlines
Find Deal
Tue, Mar 18 - Tue, Apr 1
6:20 pm - 8:30 amBOS-SOF
31h 10m3 stops
2:35 pm - 5:00 pmSOF-BOS
33h 25m3 stops
Tue, Feb 18 - Fri, Feb 28
8:40 pm - 6:10 pmBOS-SOF
14h 30m1 stop
6:05 am - 6:35 pmSOF-BOS
19h 30m1 stop
$613Lufthansa
Find Deal
Tue, Feb 18 - Fri, Feb 28
9:40 pm - 6:10 pmBOS-SOF
14h 30m1 stop
6:15 am - 2:57 pmSOF-BOS
15h 42m2 stops
$622United Airlines
Find Deal
Tue, Mar 25 - Wed, Apr 9
3:40 pm - 1:25 pmBOS-SOF
15h 45m2 stops
6:20 am - 4:00 pmSOF-BOS
16h 40m1 stop
$635United Airlines
Find Deal
Tue, Mar 18 - Tue, Apr 1
5:10 pm - 3:20 pmBOS-SOF
15h 10m1 stop
8:00 am - 1:50 pmSOF-BOS
12h 50m1 stop
$886Austrian Airlines
Find Deal
Tue, Apr 29 - Wed, Sep 17
8:05 pm - 11:00 pmBOS-SOF
19h 55m1 stop
6:00 am - 5:40 pmSOF-BOS
18h 40m1 stop
$894Lufthansa
Find Deal
Wed, Apr 30 - Thu, Sep 18
8:00 pm - 11:15 pmBOS-SOF
20h 15m2 stops
Mon, Feb 17
8:00 pm - 10:45 pmBOS-SOF
19h 45m3 stops
Mon, Feb 17
8:00 pm - 8:55 amBOS-SOF
29h 55m1 stop
$421Turkish Airlines
Find Deal
Mon, Feb 17
10:00 am - 1:35 pmBOS-SOF
20h 35m2 stops
Mon, Feb 17
10:00 pm - 5:10 pmBOS-SOF
12h 10m1 stop
$879British Airways
Find Deal
Mon, Feb 17
6:25 pm - 7:35 pmBOS-SOF
18h 10m3 stops
$1,034
Find Deal
Mon, Feb 17
8:00 pm - 8:50 pmBOS-SOF
17h 50m1 stop
9:45 am - 6:05 pmSOF-BOS
15h 20m1 stop
$645Turkish Airlines
Find Deal
Sun, Jan 19 - Sun, Feb 9
6:10 pm - 12:15 pmBOS-SOF
35h 05m2 stops
5:50 am - 8:55 pmSOF-BOS
22h 05m1 stop
Mon, Jan 20 - Sat, Jan 25
8:00 pm - 11:15 pmBOS-SOF
20h 15m2 stops
5:50 am - 8:05 pmSOF-BOS
21h 15m3 stops
Mon, Jan 20 - Sat, Jan 25
8:00 pm - 8:50 pmBOS-SOF
17h 50m2 stops
8:20 pm - 8:05 pmSOF-BOS
30h 45m3 stops
Sun, Jan 19 - Fri, Jan 24
10:50 pm - 10:25 pmBOS-SOF
16h 35m2 stops
2:05 pm - 8:05 pmSOF-BOS
37h 00m2 stops
$762TAP AIR PORTUGAL
Find Deal
Sun, Jan 19 - Fri, Jan 24
8:00 pm - 11:15 pmBOS-SOF
20h 15m2 stops
7:00 am - 8:05 pmSOF-BOS
20h 05m2 stops
Mon, Jan 20 - Sat, Jan 25
9:20 pm - 12:25 amBOS-SOF
20h 05m3 stops
8:20 pm - 8:05 pmSOF-BOS
30h 45m3 stops
Sun, Jan 19 - Fri, Jan 24
5:50 pm - 6:10 pmBOS-SOF
17h 20m2 stops
6:00 am - 1:25 pmSOF-BOS
14h 25m1 stop
$805United Airlines
Find Deal
Sun, Jan 19 - Sun, Feb 9
8:00 pm - 3:00 amBOS-SOF
24h 00m2 stops
6:45 pm - 8:55 pmSOF-BOS
33h 10m1 stop
Sun, Jan 19 - Fri, Jan 24
3:35 pm - 6:10 pmBOS-SOF
19h 35m2 stops
6:00 am - 11:59 pmSOF-BOS
24h 59m2 stops
$815United Airlines
Find Deal
Sun, Jan 19 - Sun, Feb 9

Turkish Airlines flights from Boston to Sofia

Our best Turkish Airlines deals on Boston to Sofia flight tickets
Turkish Airlines
Mar 10
BOS9:00 pmBoston Logan Intl
29h 55m
1 stop
SOF8:55 amSofia
Mar 24
SOF9:45 amSofia
15h 20m
1 stop
BOS7:05 pmBoston Logan Intl
Turkish Airlines
Mar 18
BOS9:00 pmBoston Logan Intl
17h 50m
1 stop
SOF8:50 pmSofia
Apr 1
SOF9:15 pmSofia
29h 25m
1 stop
BOS7:40 pmBoston Logan Intl
Turkish Airlines
Feb 16
BOS8:00 pmBoston Logan Intl
17h 50m
1 stop
SOF8:50 pmSofia
Mar 2
SOF9:40 pmSofia
27h 25m
1 stop
BOS6:05 pmBoston Logan Intl

British Airways flights from Boston to Sofia

Our best British Airways deals on Boston to Sofia flight tickets
British Airways
Mar 10
BOS4:05 pmBoston Logan Intl
19h 05m
2 stops
SOF5:10 pmSofia
Mar 24
SOF5:25 pmSofia
31h 31m
2 stops
BOS6:56 pmBoston Logan Intl
British Airways
Feb 6
BOS10:00 pmBoston Logan Intl
14h 25m
1 stop
SOF7:25 pmSofia
Feb 18
SOF6:05 pmSofia
26h 55m
1 stop
BOS2:00 pmBoston Logan Intl
British Airways
Apr 29
BOS9:55 pmBoston Logan Intl
15h 45m
1 stop
SOF8:40 pmSofia
Sep 17
SOF9:30 pmSofia
26h 40m
1 stop
BOS5:10 pmBoston Logan Intl

See travel insights to Sofia from

How to get the cheapest flight ticket from Boston to Sofia

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 typical price of a round-trip flight between Boston and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Boston is in October. Flight prices, which tend to average around $578, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from Boston during March instead. Flights to Sofia in March, while not as cheap as those in October, still average around $665.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Tuesday is the cheapest day to fly to Sofia from Boston. The lowest ticket price found for a Tuesday departure recently was $843. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Boston to Sofia on a Friday will generally be more expensive and average around $997. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the evening is the cheapest time of day to fly from Boston to Sofia when you can find flight prices for as low as $816. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,022 per ticket.

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

You are more likely to see cheaper flights to Sofia from Boston when booking 2 weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $842 when searching 2 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Boston for as low as $843 on momondo.

How have Boston to Sofia flight prices changed over time?

As of January 2025, prices for Boston to Sofia flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Sofia

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

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

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

Best Price Found

$271

Fastest flight time

11h 58m

Direct flights

None

Airports in Sofia

1 airport
The best one-way flight to Sofia from Boston in the past 72 hours is $271. The best round-trip flight deal from Boston to Sofia found on momondo in the last 72 hours is $477.
The fastest flight from Boston to Sofia takes 11h 58m
There are no direct flights from Boston to Sofia. Popular non-direct route for this connection is Boston Logan Intl Airport - Sofia Airport.
There is 1 airport near Sofia: Sofia (SOF)

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

    Boston Logan Intl and Sofia are 4519.3 mi apart from one another. In terms of flight time, this usually takes a little over 11h 58m.

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

    Prices for flights from Boston Logan Intl Airport to Sofia Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Sofia Airport?

    The travel and health documents you'll need for your trip to Sofia 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 Sofia 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 Boston to Sofia?


Best airlines flying from Boston to Sofia

Compare and see reviews for airlines that fly from Boston to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $517Free CancellationRating
7.3
3,921 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $550Free CancellationRating
6.6
6,823 reviews
Search British Airways flights
SWISSPriceFrom $558Free CancellationRating
7.5
1,598 reviews
Search SWISS flights
LufthansaPriceFrom $618Free CancellationRating
6.7
7,093 reviews
Search Lufthansa flights
KLMPriceFrom $624Free CancellationRating
7.8
1,339 reviews
Search KLM flights
United AirlinesPriceFrom $679Free CancellationRating
7.4
8,964 reviews
Search United Airlines flights
ITA AirwaysPriceFrom $742Free CancellationRating
6.6
926 reviews
Search ITA Airways flights
Austrian AirlinesPriceFrom $789Free CancellationRating
7.5
786 reviews
Search Austrian Airlines flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Sandanski
Borovets
Velingrad

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Sofia. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Boston to Sofia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Boston to Sofia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Sofia from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Sofia 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 1/21
Tue 1/28
Email me momondo's favorite deals

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo