Cheapest one-way flights from Seattle to Sofia in April from 386€

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

AirHint found the following cheapest one-way flights from Seattle (SEA) to Sofia (SOF) in April 2025 (see full year).

One-Way flights

26 Apr Alaska Airlines

Also check the deals for return flights from Seattle to Sofia in April.

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.

Book a cheap hotel in Sofia

Cheap car rent in Sofia