Cheapest return flights from Washington to Sofia in April from 563€

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 April 2025 (see full year).

Return flights

01 Apr - 08 Apr SWISS
02 Apr - 09 Apr Lufthansa
15 Apr - 29 Apr Turkish Airlines
02 Apr - 16 Apr Lufthansa
18 Apr - 02 May Turkish Airlines
21 Apr - 27 Apr Turkish Airlines
17 Apr - 04 May Turkish Airlines
05 Apr - 31 May Turkish Airlines
08 Apr - 15 Apr United
16 Apr - 23 Apr United
22 Apr - 29 Apr United
28 Apr - 05 May United
04 Apr - 11 Apr United
18 Apr - 25 Apr United
25 Apr - 02 May United

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

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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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