HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Donegal

$884+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CFN
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Donegal with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 23, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
1 star

Round-trip from

$884
(Trip.com)
Provider with most accurate pricing for Chicago (CHI)-Donegal flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Donegal flights.
Search Deals
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 February 23, 2025.

This Trip.com deal was found by Cheapflights users on 2/22. 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.
Tue 4/87:30 pmORD - CFN
2 stops18h 30mMultiple Airlines
Tue 4/152:30 pmCFN - ORD
2 stops33h 50mMultiple Airlines
Deal found 2/22$884
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Tue 3/47:40 pmORD - CFN
1 stop11h 10mAer Lingus
Tue 3/111:15 pmCFN - ORD
1 stop30h 45mAer Lingus
Deal found 2/20$885
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/41:54 pmORD - CFN
3 stops16h 56mBritish Airways
Tue 3/117:55 amCFN - ORD
2 stops16h 50mBritish Airways
Deal found 2/20$1,038

Find flights from Chicago to Donegal within your budget

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 February 23, 2025.

Fly from

Chicago

Fly to

Donegal

Route

Depart

Return

Price

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Tue 4/8

7:30 pm-8:00 pm

2 stops18h 30m

Donegal

Tue 4/15

2:30 pm-6:20 pm

2 stops33h 50m

$884

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Tue 3/4

7:40 pm-12:50 pm

1 stop11h 10m

Donegal

Tue 3/11

1:15 pm-3:00 pm

1 stop30h 45m

$885

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Tue 3/4

1:54 pm-12:50 pm

3 stops16h 56m

Donegal

Tue 3/11

7:55 am-7:45 pm

2 stops16h 50m

$1,038

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

  • Most accurate provider: When it comes to deals on Chicago-Donegal flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Donegal flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Donegal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Donegal flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Donegal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Chicago to Donegal

Get recent, data-driven insights about flights from Chicago to Donegal including ideal travel times, pricing trends, and more.

Rainfall in Donegal by month

Plan your trip to Donegal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Donegal ranges from 2.3 - 4.6 inches per month. October is typically the wettest month, when rainfall can reach 4.6 in. April is typically the driest time to visit Donegal when rainfall is around 2.3 in.

Temperature in Donegal by month

Plan your trip to Donegal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Donegal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 57.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 February 23, 2025.
Aer Lingus
7.0
Good
1,071 reviews

Boarding

7.2

Food

6.4

Entertainment

6.7

Overall

7.0

Crew

7.9

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

Aer Lingus
7.0
Good
1,071 reviews
Aer Lingus
7.0
Good
1,071 reviews

Boarding

7.2

Food

6.4

Entertainment

6.7

Overall

7.0

Crew

7.9

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

British Airways
6.6
Okay
6,754 reviews
Aer Lingus
7.0
Good
1,071 reviews

Boarding

7.2

Food

6.4

Entertainment

6.7

Overall

7.0

Crew

7.9

Comfort

7.0

Reviews

1 / 20

4.0
Okay

Anonymous,Feb 2025

LAS - DUB

Twin prop plane with no space in it, should have been left where it belongs 40 years ago. Very unstable coming into land on both flights two weeks apart.

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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.