AirHint found the following cheapest return flights from Detroit (DTW) to Sofia (SOF) in April 2026 (see full year).

Return flights

01 Apr - 23 Apr	Lufthansa
01 Apr - 09 Apr	Lufthansa
01 Apr - 22 Apr	Lufthansa
05 Apr - 22 Apr	Lufthansa
01 Apr - 25 Apr	Lufthansa
01 Apr - 26 Apr	Lufthansa
07 Apr - 28 Apr	Air France
07 Apr - 14 Apr	Air France
07 Apr - 22 Apr	Air France
14 Apr - 23 Apr	Air France
14 Apr - 05 May	Air France
21 Apr - 12 May	Air France
13 Apr - 05 May	Air France
14 Apr - 06 May	Air France
28 Apr - 07 May	KLM
29 Apr - 12 May	KLM
14 Apr - 01 May	Lufthansa
22 Apr - 19 May	Turkish Airlines
15 Apr - 06 May	Lufthansa
22 Apr - 13 May	Lufthansa

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

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 Detroit to Sofia in April from 393€

Return flights