Cheapest return flights from Boston to Sofia in July from $526

Best time to book flights for Boston (BOS) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Sofia (SOF) in July 2025 (see full year).

Return flights

28 Jul - 14 Aug SWISS
28 Jul - 30 Aug Lufthansa
05 Jul - 20 Aug Lufthansa
05 Jul - 23 Aug Lufthansa
20 Jul - 03 Aug ITA Airways
20 Jul - 05 Aug Lufthansa
11 Jul - 18 Jul ITA Airways
25 Jul - 16 Aug Lufthansa
17 Jul - 31 Jul Lufthansa

Also check the deals for one-way flights from Boston to Sofia in July.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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