SOF → BOS
Cheap flights from Sofia to Boston
We track fares from Sofia to Boston, United States every day. Across 70 prices we've logged, the cheapest was €549 return and a typical fare runs around €697. The cheapest month to fly is usually Oct 2026.
Cheapest seen
€549
Typical price
€697
Cheapest month
Oct 2026
Non-stop
With a stop
No live deal on this exact route right now — but the typical fare is around €697. Search your dates below, or browse all current deals.
Cheapest months to fly
The typical cheapest fare by month, from our tracking — a guide only. Check the live price on Aviasales before booking.
| Month | Typical from | Check price |
|---|---|---|
| Oct 2026 | €550 | Check on Aviasales → |
| Nov 2026 | €614 | Check on Aviasales → |
| May 2027 | €692 | Check on Aviasales → |
Each link opens the live Aviasales search for that month, where you can pick the exact cheapest dates.
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Sofia to Boston: the basics
- Route
- Sofia (SOF) → Boston (BOS)
- Distance
- 7,280 km
- Non-stop
- No (with a stop)
- Airlines seen
- Ryanair, Lufthansa, Austrian Airlines, Wizz Air
Planning the trip? United States: what to see and when to go covers where to go and when.
Where these flights connect
There is no non-stop flight from Sofia to Boston. Based on the airlines that fly this route, connections are usually through Frankfurt, Vienna — worth checking when you compare fares.