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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Sofia (SOF) to Boston (BOS), with fares starting from $535.

What is the lowest current fare from SOF to BOS?

The lowest currently-listed fare from Sofia (SOF) to Boston (BOS) is $535 on 2026-06-18.

Is there a direct flight from Sofia to Boston?

There is currently no non-stop service from SOF to BOS. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Sofia to Boston

Cheapest current fares: $535 in June 2026 on connecting flights.

Last updated May 22, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Sofia (SOF) to Boston (BOS). Refreshed daily.

Sofia (SOF) → Boston (BOS)

June 2026 $535

Frequently asked questions

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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Sofia (SOF) to Boston (BOS), with fares starting from $535.
What is the lowest current fare from SOF to BOS?

The lowest currently-listed fare from Sofia (SOF) to Boston (BOS) is $535 on 2026-06-18.
Is there a direct flight from Sofia to Boston?

There is currently no non-stop service from SOF to BOS. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.