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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Chicago (ORD) to Sudbury (YSB), with fares starting from $370.

What is the lowest current fare from ORD to YSB?

The lowest currently-listed fare from Chicago (ORD) to Sudbury (YSB) is $370 on 2026-06-03.

Is there a direct flight from Chicago to Sudbury?

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

Cheap flights from Chicago to Sudbury

Cheapest current fares: $370 in June 2026 on connecting flights.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Chicago (ORD) to Sudbury (YSB). Refreshed daily.

Chicago (ORD) → Sudbury (YSB)

June 2026 $370

Frequently asked questions

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

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Chicago (ORD) to Sudbury (YSB), with fares starting from $370.
What is the lowest current fare from ORD to YSB?

The lowest currently-listed fare from Chicago (ORD) to Sudbury (YSB) is $370 on 2026-06-03.
Is there a direct flight from Chicago to Sudbury?

There is currently no non-stop service from ORD to YSB. 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.