Cheapest return flights from Seattle to Sofia in May from 748€

Best time to book flights for Seattle (SEA) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Sofia (SOF) in May 2025 (see full year).

Return flights

01 May - 08 May Turkish Airlines
22 May - 29 May Turkish Airlines

Also check the deals for one-way flights from Seattle to Sofia in May.

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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