AirHint found the following cheapest return flights from Washington (DCA) to Sofia (SOF) in January 2026 (see full year).

Return flights

08 Jan - 02 Feb	Air Canada
05 Jan - 30 Jan	KLM
20 Jan - 03 Feb	Emirates
05 Jan - 31 Jan	Emirates
23 Jan - 06 Feb	Emirates

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

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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Cheapest return flights from Washington to Sofia in January from $549

Return flights