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$735+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CFN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$735
(Kiwi.com)
From Chicago (CHI) to Donegal
Search Deals

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 July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:45 pmORD - CFN
1 stop15h 05mAer Lingus
Sat 8/237:55 amCFN - ORD
1 stop17h 05mAer Lingus
Deal found 7/2$735
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:25 pmORD - CFN
2 stops18h 35mMultiple Airlines
Fri 8/227:55 amCFN - ORD
2 stops16h 20mMultiple Airlines
Deal found 6/30$842
This British Airways deal was found by Cheapflights users on 7/2. 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 11/198:45 pmORD - CFN
2 stops17h 15mBritish Airways
Sun 11/231:00 pmCFN - ORD
2 stops32h 25mBritish Airways
Deal found 7/2$935

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 July 3, 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

Sat 8/16

3:45 pm-12:50 pm

1 stop15h 05m

Donegal

Sat 8/23

7:55 am-7:00 pm

1 stop17h 05m

$735

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Fri 8/15

7:25 pm-8:00 pm

2 stops18h 35m

Donegal

Fri 8/22

7:55 am-6:15 pm

2 stops16h 20m

$842

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Thu 8/14

9:15 pm-8:00 pm

2 stops16h 45m

Donegal

Tue 8/19

2:30 pm-11:55 am

2 stops27h 25m

$996

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.

Reviews of airlines servicing Donegal

Get insights into the airlines that provide service to Donegal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Donegal. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Aer Lingus and British Airways from Chicago to Donegal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.1
Good
1,144 reviews

Overall

7.1

Comfort

7.0

Food

6.4

Crew

8.0

Boarding

7.2

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Aer Lingus
7.1
Good
1,144 reviews
Aer Lingus
7.1
Good
1,144 reviews

Overall

7.1

Comfort

7.0

Food

6.4

Crew

8.0

Boarding

7.2

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
British Airways
6.6
Okay
7,093 reviews
Aer Lingus
7.1
Good
1,144 reviews

Overall

7.1

Comfort

7.0

Food

6.4

Crew

8.0

Boarding

7.2

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

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.

  • 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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