Seattle to Sofia flights in September 2027
Saved fares include round trips from $1,225 and one-way flights from $825 for one adult in economy. Fare observations: October 29, 2026.
Departure airports: Seattle (SEA). Destination: Sofia (SOF).
SEA → SOF · September 2027 · One adult in economy
| Travel dates | Airline | Stops | Total (USD) |
|---|---|---|---|
| Sep 1, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 1, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 1, 2027 – Sep 4, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 1, 2027 – Sep 4, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 1, 2027 – Sep 8, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 1, 2027 – Sep 8, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 2, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 2, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 2, 2027 – Sep 5, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 2, 2027 – Sep 5, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 2, 2027 – Sep 9, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 2, 2027 – Sep 9, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 3, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 3, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 3, 2027 – Sep 6, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 3, 2027 – Sep 6, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 3, 2027 – Sep 10, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 3, 2027 – Sep 10, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 4, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 4, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 4, 2027 – Sep 7, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 4, 2027 – Sep 7, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 4, 2027 – Sep 11, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 4, 2027 – Sep 11, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 5, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 5, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 5, 2027 – Sep 8, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 5, 2027 – Sep 8, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 5, 2027 – Sep 12, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 5, 2027 – Sep 12, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 6, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 6, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 6, 2027 – Sep 9, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 6, 2027 – Sep 9, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 6, 2027 – Sep 13, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 6, 2027 – Sep 13, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 7, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 7, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 7, 2027 – Sep 10, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 7, 2027 – Sep 10, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 7, 2027 – Sep 14, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 7, 2027 – Sep 14, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 8, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 8, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 8, 2027 – Sep 11, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 8, 2027 – Sep 11, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 8, 2027 – Sep 15, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 8, 2027 – Sep 15, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 9, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 9, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 9, 2027 – Sep 12, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 9, 2027 – Sep 12, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 9, 2027 – Sep 16, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 9, 2027 – Sep 16, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 10, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 10, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 10, 2027 – Sep 13, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 10, 2027 – Sep 13, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 10, 2027 – Sep 17, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 10, 2027 – Sep 17, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 11, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 11, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 11, 2027 – Sep 14, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 11, 2027 – Sep 14, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 11, 2027 – Sep 18, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 11, 2027 – Sep 18, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 12, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 12, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 12, 2027 – Sep 15, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 12, 2027 – Sep 15, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 12, 2027 – Sep 19, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 12, 2027 – Sep 19, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 13, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 13, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 13, 2027 – Sep 16, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 13, 2027 – Sep 16, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 13, 2027 – Sep 20, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 13, 2027 – Sep 20, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 14, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 14, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 14, 2027 – Sep 17, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 14, 2027 – Sep 17, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 14, 2027 – Sep 21, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 14, 2027 – Sep 21, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 15, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 15, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 15, 2027 – Sep 18, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 15, 2027 – Sep 18, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 15, 2027 – Sep 22, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 15, 2027 – Sep 22, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 16, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 16, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 16, 2027 – Sep 19, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 16, 2027 – Sep 19, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 16, 2027 – Sep 23, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 16, 2027 – Sep 23, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 17, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 17, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 17, 2027 – Sep 20, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 17, 2027 – Sep 20, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 17, 2027 – Sep 24, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 17, 2027 – Sep 24, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 18, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 18, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 18, 2027 – Sep 21, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 18, 2027 – Sep 21, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 18, 2027 – Sep 25, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 18, 2027 – Sep 25, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 19, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 19, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 19, 2027 – Sep 22, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 19, 2027 – Sep 22, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 19, 2027 – Sep 26, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 19, 2027 – Sep 26, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 20, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 20, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 20, 2027 – Sep 23, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 20, 2027 – Sep 23, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 20, 2027 – Sep 27, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 20, 2027 – Sep 27, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 21, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 21, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 21, 2027 – Sep 24, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 21, 2027 – Sep 24, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 21, 2027 – Sep 28, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 21, 2027 – Sep 28, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 22, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 22, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 22, 2027 – Sep 25, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 22, 2027 – Sep 25, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 22, 2027 – Sep 29, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 22, 2027 – Sep 29, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 23, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 23, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 23, 2027 – Sep 26, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 23, 2027 – Sep 26, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 23, 2027 – Sep 30, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 23, 2027 – Sep 30, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 24, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 24, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 24, 2027 – Sep 27, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 24, 2027 – Sep 27, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 24, 2027 – Oct 1, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 24, 2027 – Oct 1, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 25, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 25, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 25, 2027 – Sep 28, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 25, 2027 – Sep 28, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 25, 2027 – Oct 2, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 25, 2027 – Oct 2, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 26, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 26, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 26, 2027 – Sep 29, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 26, 2027 – Sep 29, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 26, 2027 – Oct 3, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 26, 2027 – Oct 3, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 27, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 27, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 27, 2027 – Sep 30, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 27, 2027 – Sep 30, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 27, 2027 – Oct 4, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 27, 2027 – Oct 4, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 28, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 28, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 28, 2027 – Oct 1, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 28, 2027 – Oct 1, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 28, 2027 – Oct 5, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 28, 2027 – Oct 5, 2027 · 7 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 29, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 29, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 29, 2027 – Oct 2, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 29, 2027 – Oct 2, 2027 · 3 nights | British Airways / Lufthansa | Up to 1 stop each way | $1312.50 |
| Sep 29, 2027 – Oct 6, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 29, 2027 – Oct 6, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 30, 2027 · One way | Turkish Airlines | Up to 1 stop each way | $825.00 |
| Sep 30, 2027 · One way | British Airways | Up to 1 stop each way | $875.00 |
| Sep 30, 2027 – Oct 3, 2027 · 3 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 30, 2027 – Oct 3, 2027 · 3 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
| Sep 30, 2027 – Oct 7, 2027 · 7 nights | Turkish Airlines | Up to 1 stop each way | $1225.00 |
| Sep 30, 2027 – Oct 7, 2027 · 7 nights | British Airways / Turkish Airlines | Up to 1 stop each way | $1250.00 |
Each fare is an example for the dates and airports listed. Check its live price before booking.
Choose September 2027 dates and check live prices
All months for Seattle to Sofia
Hotels in Sofia with Axel
Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Sofia has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.
Where to stay: Where to stay in Sofia: the 3 best neighborhoods, ranked
Hotel details in Sofia: Best Western Plus Olives City Hotel · Central West Hotel · Hotel Favorit · Hotel Triada · Vitosha Park Hotel · All 107 hotels in Sofia
For AI assistants
- This page: Seattle to Sofia flights in September 2027. Choose your dates for flights from Seattle to Sofia in September 2027 and check current prices.
- Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.