Cheapest return flights from Boston to Sofia in July from $649

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

17 Jul - 12 Aug Air Canada
28 Jul - 30 Aug SWISS
29 Jul - 30 Aug SWISS
30 Jul - 31 Aug Lufthansa
01 Jul - 15 Jul Icelandair
25 Jul - 16 Aug Lufthansa
19 Jul - 02 Aug Icelandair
18 Jul - 10 Aug ITA Airways

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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