Cheapest return flights from Washington to Sofia in June from $727

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 June 2025 (see full year).

Return flights

03 Jun - 10 Jun United
16 Jun - 21 Jul Lufthansa
24 Jun - 01 Jul United
10 Jun - 22 Jun Air Canada
06 Jun - 13 Jun United
09 Jun - 16 Jun United
15 Jun - 22 Jun United
30 Jun - 07 Jul United
21 Jun - 28 Jun United
12 Jun - 19 Jun United
27 Jun - 04 Jul United
18 Jun - 25 Jun United
13 Jun - 05 Jul Turkish Airlines

Also check the deals for one-way flights from Washington to Sofia in June.

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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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