What is the cheapest month to fly from Sofia to Chicago?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sofia (SOF) to Chicago (ORD), with fares starting from $656.

What is the lowest current fare from SOF to ORD?

The lowest currently-listed fare from Sofia (SOF) to Chicago (ORD) is $656 on 2026-08-22.

Is there a direct flight from Sofia to Chicago?

There is currently no non-stop service from SOF to ORD. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Sofia to Chicago

Cheapest current fares: $656 in August 2026 on connecting flights.

Last updated August 3, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Sofia (SOF) to Chicago (ORD). Refreshed daily.

Sofia (SOF) → Chicago (ORD)

August 2026 $656

Frequently asked questions

What is the cheapest month to fly from Sofia to Chicago?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sofia (SOF) to Chicago (ORD), with fares starting from $656.
What is the lowest current fare from SOF to ORD?

The lowest currently-listed fare from Sofia (SOF) to Chicago (ORD) is $656 on 2026-08-22.
Is there a direct flight from Sofia to Chicago?

There is currently no non-stop service from SOF to ORD. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.