Cheap flights from Sofia to Boston from $449
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 6/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.Find the cheapest flights from Sofia to Boston
Cheap round-trip flights
Cheap one-way flights
British Airways flights from Sofia to Boston
Our best British Airways deals on Sofia to Boston flight tickets
Lufthansa flights from Sofia to Boston
Our best Lufthansa deals on Sofia to Boston flight tickets
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 typical price of a round-trip flight between Sofia and Boston?
What is the cheapest month to fly to Boston?
In general, September 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 $585. If you aren’t able to travel during the month of September, then book flights to Boston from Sofia during January instead. Flights to Boston in January, while not as cheap as those in September, still average around $595.
What is the cheapest day to depart on your flight to Boston?
The cheapest day to depart from Sofia to Boston is on a Thursday when prices can be found for as low as $644. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $752.
What is the cheapest time of day to depart on your flight to Boston?
According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from Sofia to Boston in the afternoon for as low as $596. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $709 per ticket.
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 16 weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $691 when searching 16 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 $538 on momondo.
What is the cheapest airline that flies from Sofia to Boston Logan Intl?
Qatar Airways, SWISS, and Lufthansa are the most popular carriers operating from Sofia to Boston Logan Intl
What airlines fly to Boston?
Lufthansa, KLM and United Airlines are the top three most popular airlines that fly to Boston from Sofia according to our data. Lufthansa is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 8 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.
When to book flights from Sofia to Boston
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
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 11h 35m.
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?
There are 8 operators available for flights from Sofia Airport to Boston Logan Intl Airport as of June 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sofia to Boston is Lufthansa (34% of total bookings). The next most popular airlines are KLM (20%), United Airlines (11%), and Turkish Airlines (11%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $503 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $520 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $520 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $525 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $538 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $567 | Free Cancellation | Rating 7.6 802 reviews | |||
| PriceFrom $571 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $574 | Free Cancellation | Rating 6.7 7,136 reviews |
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWhy 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.