How to find the cheapest flight from
Chicago (CHI) to Donegal (CFN)
When is the cheapest time to fly from Chicago to Donegal (CHI - CFN)?
When flying from Chicago to Donegal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 5% versus a flight at noon.
Related info for your journey
Useful info, stats and facts about Chicago to Donegal flights.
Alternative routes for Chicago to Donegal
Destination information for Donegal
Things to know before you go. Useful info for your trip from Chicago to Donegal
Chicago Midway (MDW)