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Cheap flights from Boston to Sofia from $276

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 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 to Sofia

The cheapest plane tickets to Sofia found on KAYAK recently.
6:20 pm - 3:00 amBOS-SOF
25h 40m3 stops
6:10 am - 5:00 pmSOF-BOS
17h 50m2 stops
Thu, Jan 23 - Thu, Feb 6
11:25 pm - 1:30 amBOS-SOF
19h 05m1 stop
6:50 am - 9:40 pmSOF-BOS
21h 50m2 stops
Thu, Jan 23 - Thu, Feb 6
11:25 pm - 11:40 amBOS-SOF
29h 15m2 stops
5:45 am - 9:40 pmSOF-BOS
22h 55m1 stop
Tue, Jan 21 - Tue, Feb 4
9:00 pm - 3:05 pmBOS-SOF
12h 05m1 stop
3:55 pm - 7:05 pmSOF-BOS
33h 10m1 stop
$504Turkish Airlines
Find Deal
Tue, Mar 11 - Tue, Mar 25
8:00 pm - 8:50 pmBOS-SOF
17h 50m1 stop
3:35 pm - 7:40 pmSOF-BOS
35h 05m1 stop
$519Turkish Airlines
Find Deal
Wed, Mar 5 - Fri, May 16
6:25 pm - 11:50 amBOS-SOF
10h 25m1 stop
8:00 am - 2:10 pmSOF-BOS
13h 10m1 stop
$575Austrian Airlines
Find Deal
Wed, Jan 1 - Wed, Jan 15
8:40 pm - 6:10 pmBOS-SOF
14h 30m1 stop
6:00 am - 2:58 pmSOF-BOS
15h 58m2 stops
$581United Airlines
Find Deal
Tue, Jan 21 - Wed, Jan 29
4:15 pm - 1:30 pmBOS-SOF
14h 15m1 stop
6:10 am - 2:58 pmSOF-BOS
15h 48m2 stops
$582United Airlines
Find Deal
Tue, Jan 14 - Thu, Jan 23
6:25 pm - 11:50 amBOS-SOF
10h 25m1 stop
6:45 pm - 2:10 pmSOF-BOS
26h 25m1 stop
$599Austrian Airlines
Find Deal
Sun, Jan 19 - Tue, Jan 28
9:55 pm - 6:10 pmBOS-SOF
13h 15m2 stops
1:45 pm - 8:20 pmSOF-BOS
13h 35m2 stops
$799SWISS
Find Deal
Tue, Dec 31 - Thu, Jan 9
8:00 pm - 6:45 pmBOS-SOF
15h 45m2 stops
Wed, Feb 12
6:10 pm - 8:20 pmBOS-SOF
19h 10m2 stops
Wed, Mar 5
11:25 pm - 11:40 amBOS-SOF
29h 15m2 stops
Tue, Feb 11
11:25 pm - 11:40 amBOS-SOF
29h 15m2 stops
Tue, Mar 4
4:15 pm - 1:30 pmBOS-SOF
14h 15m1 stop
$302Lufthansa
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Tue, Dec 31
8:40 pm - 10:45 pmBOS-SOF
19h 05m1 stop
$453Lufthansa
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Wed, Feb 12
7:10 am - 2:00 pmBOS-SOF
23h 50m2 stops
$504United Airlines
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Fri, Feb 14
7:30 pm - 10:45 pmBOS-SOF
44h 15m2 stops
$507United Airlines
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Wed, Dec 25
6:25 pm - 3:30 pmBOS-SOF
14h 05m1 stop
$565Austrian Airlines
Find Deal
Fri, Feb 14
8:00 pm - 8:50 pmBOS-SOF
17h 50m1 stop
$1,265Turkish Airlines
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Sun, Dec 22
4:15 pm - 1:25 pmBOS-SOF
14h 10m1 stop
6:00 am - 4:53 pmSOF-BOS
17h 53m2 stops
Thu, Dec 5 - Sun, Dec 8
8:40 pm - 10:45 pmBOS-SOF
19h 05m1 stop
6:00 am - 1:25 pmSOF-BOS
14h 25m1 stop
$754Lufthansa
Find Deal
Thu, Dec 5 - Sun, Dec 8
7:10 am - 1:25 pmBOS-SOF
23h 15m2 stops
6:00 am - 4:53 pmSOF-BOS
17h 53m2 stops
$756Air Canada
Find Deal
Thu, Dec 5 - Sun, Dec 8
6:20 pm - 10:05 pmBOS-SOF
20h 45m2 stops
7:30 pm - 5:00 pmSOF-BOS
28h 30m2 stops
Wed, Dec 4 - Fri, Dec 6
7:10 am - 6:45 pmBOS-SOF
28h 35m3 stops
7:30 pm - 5:00 pmSOF-BOS
28h 30m2 stops
Wed, Dec 4 - Fri, Dec 6
9:55 pm - 3:15 pmBOS-SOF
10h 20m1 stop
1:05 pm - 5:00 pmSOF-BOS
34h 55m2 stops
Wed, Dec 4 - Fri, Dec 6
7:10 am - 6:45 pmBOS-SOF
28h 35m3 stops
10:10 pm - 5:00 pmSOF-BOS
25h 50m3 stops
Wed, Dec 4 - Fri, Dec 6
6:45 pm - 3:30 pmBOS-SOF
13h 45m2 stops
7:10 am - 2:00 pmSOF-BOS
13h 50m1 stop
$992Air France
Find Deal
Tue, Dec 3 - Thu, Dec 19
2:05 pm - 5:55 pmBOS-SOF
20h 50m2 stops
6:10 am - 1:25 pmSOF-BOS
14h 15m1 stop
$1,012Lufthansa
Find Deal
Tue, Dec 3 - Thu, Dec 19
3:40 pm - 1:30 pmBOS-SOF
14h 50m2 stops
6:10 am - 8:03 pmSOF-BOS
20h 53m2 stops
$1,023Air Canada
Find Deal
Tue, Dec 3 - Thu, Dec 19

Austrian Airlines flights from Boston to Sofia

Our best Austrian Airlines deals on Boston to Sofia flight tickets
Austrian Airlines
Jan 1
BOS6:25 pmBoston Logan Intl
10h 25m
1 stop
SOF11:50 amSofia
Jan 15
SOF8:00 amSofia
13h 10m
1 stop
BOS2:10 pmBoston Logan Intl
Austrian Airlines
Jan 19
BOS6:25 pmBoston Logan Intl
10h 25m
1 stop
SOF11:50 amSofia
Jan 28
SOF6:45 pmSofia
26h 25m
1 stop
BOS2:10 pmBoston Logan Intl
Austrian Airlines
Jan 20
BOS1:50 pmBoston Logan Intl
21h 10m
2 stops
SOF6:00 pmSofia
Jan 29
SOF8:00 amSofia
13h 10m
1 stop
BOS2:10 pmBoston Logan Intl

TAP AIR PORTUGAL flights from Boston to Sofia

Our best TAP AIR PORTUGAL deals on Boston to Sofia flight tickets
TAP AIR PORTUGAL
Mar 31
BOS6:10 pmBoston Logan Intl
21h 25m
2 stops
SOF10:35 pmSofia
Apr 14
SOF6:40 pmSofia
32h 25m
2 stops
BOS8:05 pmBoston Logan Intl
TAP AIR PORTUGAL
May 4
BOS6:30 pmBoston Logan Intl
21h 05m
2 stops
SOF10:35 pmSofia
Oct 4
SOF6:00 amSofia
21h 05m
2 stops
BOS8:05 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 November instead. Flights to Sofia in November, while not as cheap as those in October, still average around $581.

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 $839. 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 $1,032. 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?

At noon is the cheapest time of day to fly from Boston to Sofia when you can find flight prices for as low as $745. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $988 per ticket.

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

The best time to book a flight to Sofia from Boston is 12 days out, which is when prices tend to be around $830. In the past 72 hours, momondo users found flights from Boston to Sofia for as low as $597.

Can stopping save me money on Boston to Sofia flights?

You could potentially save up to 8% on your flight if you consider stops on a Boston to Sofia flight.

How have Boston to Sofia flight prices changed over time?

As of December 2024, prices for Boston to Sofia flights are approximately 2% 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

$276

Fastest flight time

10h 20m

Direct flights

None

Airports in Sofia

1 airport
The best one-way flight to Sofia from Boston in the past 72 hours is $276. The best round-trip flight deal from Boston to Sofia found on momondo in the last 72 hours is $460.
The fastest flight from Boston to Sofia takes 10h 20m
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 10h 20m.

  • 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 $529Free CancellationRating
7.3
3,924 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $550Free CancellationRating
6.6
6,832 reviews
Search British Airways flights
SWISSPriceFrom $558Free CancellationRating
7.6
1,628 reviews
Search SWISS flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,141 reviews
Search United Airlines flights
LufthansaPriceFrom $611Free CancellationRating
6.8
7,132 reviews
Search Lufthansa flights
KLMPriceFrom $623Free CancellationRating
7.8
1,343 reviews
Search KLM flights
ITA AirwaysPriceFrom $742Free CancellationRating
6.7
900 reviews
Search ITA Airways flights
Austrian AirlinesPriceFrom $789Free CancellationRating
7.5
800 reviews
Search Austrian Airlines flights

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.


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