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Donegal

$504+ Cheap flights from Illinois to Donegal (CFN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CFN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 January 21, 2025.

Round-trip from

$784
(Gotogate)
From Illinois to Donegal
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Find flight deals from Illinois to Donegal

Cheapest flights from Illinois to Donegal
Explore the most affordable flight options available from Illinois to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/63:55 pmORD - CFN
1 stop14h 55mAer Lingus
Thu 3/137:55 amCFN - ORD
2 stops16h 50mAer Lingus
Deal found 1/20$784
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/68:11 pmORD - CFN
2 stops17h 49mBritish Airways
Thu 3/131:15 pmCFN - ORD
2 stops33h 25mBritish Airways
Deal found 1/20$853
This flugladen.de deal was found by Cheapflights users on 1/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/72:06 pmORD - CFN
2 stops16h 44mMultiple Airlines
Fri 3/147:55 amCFN - ORD
2 stops20h 29mMultiple Airlines
Deal found 1/21$974
This flugladen.de deal was found by Cheapflights users on 1/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/74:40 pmORD - CFN
2 stops14h 10mRoyal Air Maroc
Fri 3/147:55 amCFN - ORD
1 stop16h 00mRoyal Air Maroc
Deal found 1/21$1,016

Find flights from Illinois to Donegal within your budget

Customize your flight search to find flights from Illinois 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 January 21, 2025.

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Price

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Thu 3/6

3:55 pm-12:50 pm

1 stop14h 55m

Donegal

Thu 3/13

7:55 am-7:45 pm

2 stops16h 50m

$784

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Thu 3/6

8:11 pm-8:00 pm

2 stops17h 49m

Donegal

Thu 3/13

1:15 pm-5:40 pm

2 stops33h 25m

$853

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Fri 3/7

2:06 pm-12:50 pm

2 stops16h 44m

Donegal

Fri 3/14

7:55 am-11:24 pm

2 stops20h 29m

$974

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Fri 3/7

4:40 pm-12:50 pm

2 stops14h 10m

Donegal

Fri 3/14

7:55 am-6:55 pm

1 stop16h 00m

$1,016

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Mon 6/9

5:30 pm-2:00 pm

3 stops38h 30m

$504

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Mon 6/9

8:50 pm-2:00 pm

1 stop11h 10m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Illinois to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Illinois 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 Illinois to Donegal

Get recent, data-driven insights about flights from Illinois 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 January 21, 2025.
Aer Lingus
7.1
Good
1,082 reviews

Comfort

7.0

Food

6.4

Overall

7.1

Entertainment

6.8

Crew

8.0

Boarding

7.3

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

Aer Lingus
7.1
Good
1,082 reviews
Aer Lingus
7.1
Good
1,082 reviews

Comfort

7.0

Food

6.4

Overall

7.1

Entertainment

6.8

Crew

8.0

Boarding

7.3

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

British Airways
6.6
Okay
6,834 reviews
Aer Lingus
7.1
Good
1,082 reviews

Comfort

7.0

Food

6.4

Overall

7.1

Entertainment

6.8

Crew

8.0

Boarding

7.3

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

Royal Air Maroc
6.2
Okay
487 reviews
Aer Lingus
7.1
Good
1,082 reviews

Comfort

7.0

Food

6.4

Overall

7.1

Entertainment

6.8

Crew

8.0

Boarding

7.3

Reviews

1 / 10

I telephoned to order salt free meal, which wasn’t on board. Not enough water to drink on board for my kidneys. Couldn’t use app, pressed buttons, but wasn’t allowed to do anything

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    For a flight from Illinois to Donegal, you will be flying into Donegal. Donegal (CFN) is just 28.5 mi from the center of the city.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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

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Alternative routes for Illinois to Donegal

See prices for flight routes from nearby airports that may be better suited for you.
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