Cheapest return flights from Washington to Sofia in November from $596

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 November 2025 (see full year).

Return flights

19 Nov - 26 Nov United
09 Nov - 16 Nov United
29 Nov - 06 Dec United

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

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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