Cheapest return flights from Washington to Sofia in July from £963

Best time to book flights for Washington (IAD) to Sofia (SOF) flights at AirHint

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

Return flights

22 Jul - 29 Jul Turkish Airlines
01 Jul - 08 Jul Turkish Airlines

Also check the deals for one-way flights from Washington 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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