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$816+ Cheap flights from O'Hare Intl (ORD) 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CFN
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Donegal

Cheapest flights from O'Hare Intl to Donegal
Explore the most affordable flight options available from O'Hare Intl to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This oojo deal was found by Cheapflights users on 2/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:55 pm
ORD
-
CFN
2 stops23h 05m
Aer Lingus
Mon 4/68:00 am
CFN
-
ORD
2 stops18h 02m
Aer Lingus
Deal found 2/13$816
This Ovago deal was found by Cheapflights users on 2/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:00 pm
ORD
-
CFN
1 stop17h 00m
Multiple Airlines
Mon 4/68:00 am
CFN
-
ORD
1 stop17h 15m
Multiple Airlines
Deal found 2/13$890

Find flight deals from O'Hare Intl to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 February 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$816
(oojo)
Provider with most accurate pricing for Chicago (CHI)-Donegal flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Donegal flights.
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From Chicago O'Hare Intl to Donegal
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 February 15, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Donegal that are best for you.

Fly from

O'Hare Intl

Fly to

Donegal

Route

Depart

Return

Price

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Mon 3/30

2:55 pm-8:00 pm

2 stops23h 05m

Donegal

Mon 4/6

8:00 am-8:02 pm

2 stops18h 02m

$816

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Mon 3/30

9:00 pm-8:00 pm

1 stop17h 00m

Donegal

Mon 4/6

8:00 am-7:15 pm

1 stop17h 15m

$890

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Best time to book a flight from O'Hare Intl to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    For a flight from Chicago O'Hare Intl 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 O'Hare Intl per day. 0 airlines have flights to Donegal from Chicago O'Hare Intl on a regular basis.

  • How long is the flight from Chicago O'Hare Intl Airport to Donegal?

    A quick flight from Chicago O'Hare Intl Airport to Donegal can take about 23h 05m. Aer Lingus provides one of the quickest options available for as low as $816. Chicago O'Hare Intl Airport and Donegal are separated by a distance of 3541 mi.

  • Can I find deals for flights from O'Hare Intl to Donegal that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Donegal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Donegal?

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

  • Can I find deals for business class flights from O'Hare Intl to Donegal?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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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