Cheapest return flights from Seattle to Sofia in April from 603€
AirHint found the following cheapest return flights from Seattle (SEA) to Sofia (SOF) in April 2025 (see full year).
Return flights
| 17 Apr - 24 Apr | Turkish Airlines | ||
| 18 Apr - 25 Apr | Turkish Airlines | ||
| 30 Apr - 14 May | Lufthansa |
Also check the deals for one-way flights from Seattle 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.
