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$898+ Cheap flights from Chicago (CHI) to Donegal (CFN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CFN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Chicago to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Donegal (CFN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$898
(Gurufare)
From Chicago (CHI) to Donegal
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Find flight deals from Chicago to Donegal

Cheapest flights from Chicago to Donegal
Explore the most affordable flight options available from Chicago to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Gurufare deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:15 pmORD - CFN
1 stop10h 45mAer Lingus
Wed 9/242:30 pmCFN - ORD
1 stop29h 30mAer Lingus
Deal found 8/18$898
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:15 pmORD - CFN
1 stop10h 45mMultiple Airlines
Wed 9/247:55 amCFN - ORD
2 stops17h 34mMultiple Airlines
Deal found 8/19$903
This British Airways deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:10 pmORD - CFN
2 stops14h 50mBritish Airways
Sun 12/71:00 pmCFN - ORD
2 stops30h 50mBritish Airways
Deal found 8/17$1,022

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Donegal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Chicago to Donegal that are best for you.

Fly from

Chicago

Fly to

Donegal

Route

Depart

Return

Price

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Wed 9/17

9:15 pm-2:00 pm

1 stop10h 45m

Donegal

Wed 9/24

2:30 pm-2:00 pm

1 stop29h 30m

$898

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Wed 9/17

9:15 pm-2:00 pm

1 stop10h 45m

Donegal

Wed 9/24

7:55 am-7:29 pm

2 stops17h 34m

$903

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Wed 12/3

5:10 pm-2:00 pm

2 stops14h 50m

Donegal

Sun 12/7

1:00 pm-1:50 pm

2 stops30h 50m

$1,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Chicago to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Donegal
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Donegal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Donegal from Chicago?

    For a flight from Chicago to Donegal, you will be flying into Donegal. Donegal (CFN) is just 28.5 mi from the center of the city. Donegal is the only Donegal airport and it handles 0 inbound flights from Chicago per day. 0 airlines have flights to Donegal from Chicago on a regular basis.

  • How long is the flight from Chicago to Donegal?

    Departing from Chicago to Donegal will take you 10h 45m. Chicago and Donegal are separated by a distance of 3541 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Chicago to Donegal that include hotel bookings?

    Yes. In addition to deals on Chicago to Donegal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Donegal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Donegal.

  • Can I find deals for business class flights from Chicago to Donegal?

    Yes. Cheapflights offers flight deals from Chicago to Donegal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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