CHI - CFN

Find Cheap Flights from Chicago to Donegal – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Chicago to Donegal (CHI-CFN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Chicago to Donegal

Multiple Airlines Logo
CHI  Chicago All airports-CFN Donegal Airport
9159 kmmulti-stop
Multiple Airlines Logo
CFN  Donegal Airport-CHI Chicago All airports
9159 kmmulti-stop
Multiple Airlines
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Price, demand, and travel trends for Chicago to Donegal flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Chicago to Donegal flight route?

There's little price difference between Chicago to Donegal routes. They average around €1,018 return, based on KAYAK data over the past 12 months.

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When to book flights from Chicago to Donegal

Are your dates flexible? Find out the best times to travel from Chicago to Donegal based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Chicago to Donegal flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Chicago to Donegal?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Which airports can I use when flying from Chicago to Donegal?

    Flights from Chicago to Donegal may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Donegal (CFN).

  • Which airports do connecting flights from Chicago to Donegal pass through?

    Most connecting flights from Chicago to Donegal pass through Dublin (DUB), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Chicago to Donegal?

    Yes. Flexible dates can save you up to 46% on flights from Chicago to Donegal. Friday is the cheapest departure day at €810 return on average, while Monday is the most expensive at €1,482, a difference of €672.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Chicago and Donegal?

    Donegal is 6 hours ahead of Chicago (Irish Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Chicago to Donegal flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Monday. On this route, Friday flights average €810, about €672 less than Monday fares (45% savings) based on the last 12 months.

More options for your flight from Chicago to Donegal

Complete your trip to Donegal with a hotel stay or car hire

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