$378 Find Cheap Flights from Sofia to Massachusetts

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sofia to Massachusetts departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Massachusetts

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to Massachusetts.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to Massachusetts.
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Flight Deals

Book Cheap Sofia to Massachusetts Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sofia to Massachusetts that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sofia to Massachusetts

Fri, May 15 - Tue, Jun 2
British Airways Logo
2:15 pm - 8:05 pm
SOF
-
BOS
12h 50m
1 stop
British Airways Logo
9:50 pm - 8:30 pm
BOS
-
SOF
15h 40m
1 stop
$596British Airways
Fri, May 15 - Sun, May 31
British Airways Logo
2:15 pm - 10:35 pm
SOF
-
BOS
15h 20m
1 stop
British Airways Logo
9:55 pm - 7:20 pm
BOS
-
SOF
14h 25m
1 stop
$598British Airways
Mon, Mar 16 - Mon, Mar 30
Multiple Airlines Logo
4:45 pm - 9:55 pm
SOF
-
BOS
35h 10m
1 stop
Multiple Airlines Logo
6:05 pm - 11:20 pm
BOS
-
SOF
22h 15m
2 stops
$615Multiple Airlines
Wed, May 13 - Mon, Jun 1
Turkish Airlines Logo
9:35 am - 7:55 pm
SOF
-
BOS
17h 20m
1 stop
Turkish Airlines Logo
9:50 pm - 8:15 pm
BOS
-
SOF
15h 25m
1 stop
$616Turkish Airlines
Thu, May 14 - Tue, Jun 2
Turkish Airlines Logo
9:35 am - 7:55 pm
SOF
-
BOS
17h 20m
1 stop
Turkish Airlines Logo
9:50 pm - 8:15 pm
BOS
-
SOF
15h 25m
1 stop
$617Turkish Airlines
Mon, Feb 16 - Tue, Feb 24
Multiple Airlines Logo
7:00 am - 1:25 pm
SOF
-
BOS
13h 25m
1 stop
Multiple Airlines Logo
6:30 pm - 1:55 pm
BOS
-
SOF
12h 25m
1 stop
$628Multiple Airlines
Thu, Apr 16 - Wed, May 6
Turkish Airlines Logo
9:35 am - 7:55 pm
SOF
-
BOS
17h 20m
1 stop
Turkish Airlines Logo
9:50 pm - 3:00 pm
BOS
-
SOF
34h 10m
1 stop
$629Turkish Airlines
Thu, Apr 30 - Sun, May 17
KLM Logo
7:00 am - 1:13 pm
SOF
-
BOS
13h 13m
1 stop
KLM Logo
4:35 pm - 2:00 pm
BOS
-
SOF
14h 25m
1 stop
$631KLM
Mon, Feb 16 - Tue, Feb 24
Multiple Airlines Logo
7:00 am - 1:25 pm
SOF
-
BOS
13h 25m
1 stop
Multiple Airlines Logo
1:04 pm - 1:55 pm
BOS
-
SOF
17h 51m
2 stops
$632Multiple Airlines
Mon, Feb 16 - Mon, Feb 23
KLM Logo
7:00 am - 1:25 pm
SOF
-
BOS
13h 25m
1 stop
KLM Logo
7:10 pm - 2:05 pm
BOS
-
SOF
11h 55m
1 stop
$633KLM
Booking Insights

KAYAK's insights & trends for Sofia to Massachusetts flights

Get data-powered insights and trends into flights from Sofia to Massachusetts to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Sofia to Massachusetts?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sofia to Massachusetts departing in May.

What is the cheapest month to fly from Sofia to Massachusetts?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sofia to Massachusetts, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sofia to Massachusetts is February, when tickets cost $618 (return) on average. On the other hand, the most expensive months are December and October, when the average cost of round-trip tickets is $827 and $766 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sofia to Massachusetts, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sofia to Massachusetts, you should book around 2 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$378
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Sofia to Boston

FAQs - booking Massachusetts flights

  • How does KAYAK find such low prices on flights from Sofia to Massachusetts?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sofia to Massachusetts.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to Massachusetts?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sofia to Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sofia to Massachusetts?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Sofia to Massachusetts with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sofia to Massachusetts?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Sofia to Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Sofia to Massachusetts

 
See real verified KAYAK customer reviews for airlines flying from Sofia to Massachusetts. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sofia to Massachusetts? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.7
KLMOverall score based on 1450 reviews
7.8Boarding
8.4Crew
7.6Comfort
7.1Entertainment
7.3Food
Airline reviews

Empty seats next to me - wish it had been for a longer flight!!

8.0 ExcellentAnonymous, Feb 2026
AMS - NCL
Read more KLM reviews

Empty seats next to me - wish it had been for a longer flight!!

I’m grateful for the KLM Air France shuttle bus service to Ottawa. However due to construction and other issues related to the chaotic Uber pickup system at YUL, it’s a challenge to find the Kelios bus service to Ottawa. The signs are not clear or even available. No staff to guide passengers. It’s a stressful experience.

Flight was on time, staff are friendly and helpful onboard.

Terrible last row seats many seats available but no offer to move to better seat

Delay on my previous leg, had to run to catch my flight. But that happens. Overall ok.

At the airport, terrible, I do not want to even remember it. It was too humiliating for a business class passenger.

Flight was ok but lack of communication cost me to literally beg to be put on another flight as connecting flight had departed

They forgot to serve food and the crew was very unfriendly. Never experienced such a bad KLM flight. Usually fly from Toronto. New York was different.

The immigration hall in Amsterdam was understaffed, so passport checking was slower than it should be for a major airport. They need to get the automatic readers up and running for non EU passport holders. Waiting in line after a long flight feels a bit abusive.

Ad experience - been flying many years with them but they are losing out to other carriers with their service and bagage / seating policy. My 2 12-yo kids were not placed with the parent. Absurdity.

Communication on the delay, rebooking and how to get a hotel was poor. Mails, airport check-in and transfer desk said different things.

Not consistent with the food quality (I mean taste not freshness)

Food was really mediocre for premium economy in comparison to other airlines… the crew was nowhere to be found… 14 hour flight…

I don’t like that an equipment change caused my seat to change from 23A to 44A. The boarding was also delayed. The crew were excellent, however and very attentive. The food was not bad.

Worst airlines either. First leg was delayed because of crew not available. My connection was missed so they booked me automatically the next day! But, impossible to get anyone on site, web site does not let me access my reservation anymore, confirmed by useless agents over the phone. My 2-leg trip with part in business class arriving at 4:10pm ends up in an awful 3-leg arriving at 9pm the next day with no way to even choose the seats and of course at the very end of the plane. I can understand problems arrive but the way Air France handle it is just unacceptable. You are on your own. Apparently getting you to your destination is the only thing they consider their duty. The customer experience and fatigue is none of their concern. And I have a status with them. I will reconsider my priorities when flying with Air France and encourage everyone to do the same.

Our flight crew were terrific. And they handle a difficult passenger with finesse.

3 hour delay but out of their control. App said I get vouchers but when I applied for them, they were nowhere to be found in my account

I don't understand the concept of paying to get your personal luggage onboard and then asked to check it in.... either sell the space or don't, its a hassle to carry those all through the airport just to make a check in at the last minute.

The food was great and the service and attitude was amazing!!

It was a great experience. The only thing I would have changed was that the bathrooms were never cleaned and they got very dirty.

Everything except the food and entertainment. It was a great experience though

Bad food, bad service, cold cabin with no additional blankets when asked for (they told me they don’t provide additional blankets). I’m a frequent traveler and this is one of the worst companies I traveled with (by the way I thought that I booked my ticket with Lufthansa but I didn’t see that the flights were handled by United).

United Airlines is my preferred airlines and I am thankful for Gary who also help support me on the phone to switch my flight literally last min.

Not being stranded in Chicago for her airport to 11:30 tomorrow morning the 3rd

the whole trip was smooth, and as comfortable as flying is these days. flight crew was friendly and very courteous and helpful.

Very poor. The flight was delayed from Toronto because some forget to do there job . I got to my connecting gate in San Francisco 10 minutes before the departure.but this didn’t let me board even though the flight was still there for an other 30 minutes. The the gentleman at the unite airline desk told me that they usually wait for passengers but air Canada called and told them not to we I been rerouted to Manila instead of Hong Kong . In San Francisco they mad me check in my carryon bag . I was told the it will directly go yo ho chi minn cuyt but I was told that by the Vietnams airline desk that’s not there I’m 10 hours behind my scheduled flight and looks like I I’m going without baggage. I don’t have a chance of catching ..

Great other than a couple very drunk guys that for a while kept bumping my seat from behind. The staff did their best to control them. Even refused serving them alcohol and allowed the gal sitting next to them to move.

The attendant on board was amazing. She should be doing business/first international long haul.

The boarding was cumbersome. The staff was not aligned. They called group 1 but then the agent said no. Then they called group 1 again but still would not board us. Then they called group 2 and they all came up and still hadn’t started boarding. Then someone came from the plane and said why is no one coming? And the agent said bc i thought not yet and she said I said over the walkie talkie to send the passengers down? What was not clear about that? Also, onboard, the crew gave announcements very ironic/authoritative, and in first class they gave us a cheesebox. My expectations based on competition airlines, is a warm meal. A little underwhelming.

I was fully checked in the prior night and i was unchecked and then didn’t have a seat when I boarded. Instead of an aisle seat, I was out in the middle seat of the very last row of the plane.

Very hot cabin made long flight uncomfortable, even in business class! Food was great. Istanbul business lounge had great food but too few bathrooms and seating . They also need more electric outlets for charging devices. Appreciate the ability to go through fast track lines w business class

The crew on this flight provided exceptional business class service to me.

The staff at the boarding or the rudest uninformative and no English whatsoever they’re very rude as if they are envious of you travelling I don’t understand how could someone would be this rude and this out of touch and cold

You charged me for luggage although the airline does not- you charged me for seat when customers can pick their own seat at checkout in I travel to Europe slot and I will not use kayak again

The seats were extremely small. Boarding was not communicated correctly. It wasn’t a pleasant trip.

They oversold the tickets by one which was my ticket so I didn’t have a ticket till last second

Not good. I was supposed to be in Mint but got in economy class

Requested food options were always finished. Supplied food items were good but of course not the desired choices.

The airport staff never announced that boarding has started. Both at iad or Islamabad or Istanbul.

Very bad experience with turkish airline tk 0001. Very uncomfortable seats and food ran out and crew was not helpful

Flight map did not work. Crew was great, food was good, plane took off on time and landed early. That's all I can ask.

I had a good comfortable seat. There was nearly an hour delay. There was an accident with the champagne, but I was well compensated. These things happen sometimes.

Very good. Comfortable and I felt well taken care of from start to finish

Bulkhead seats should not be an extra charge. They are extremely uncomfortable. And we missed our connecting flight due to slow luggage retreaval.

Not great - seats were very narrow and food was terrible.

Some of the crew was sassy and not super helpful. The food was okay, but it seems like they were all unprepared compared to my flight I did from JFK to Frankfurt

We missed our flight. There was not enough time built into the layover to get through immigration, customs, bagclaim, bag rechecking, and the long trip to another terminal and gate. Kayak really screwed up. We took the bus up to Wisconsin and then were picked up in Brookfield by private car. It was lucky we didnt miss the last bus out.

We were in premium economy seats that appeared to be locked in plae, No reclining. My aching back.

I don’t understand how they charge as much as they do for such a poor experience

Lufthansa flight LH04414 from Munich to Washington DC, was fine. Efficient and safe!

Everything you need to know for your flight from Sofia to Massachusetts

Information on your arrival and departure airports