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Cheap flights from Chicago to Donegal from $575

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Donegal departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Chicago to Donegal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:55 am - 2:00 pm
ORD
-
CFN
22h 05m
2 stops
Multiple Airlines Logo
2:30 pm - 7:15 pm
CFN
-
ORD
10h 45m
1 stop
$1,266Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
9:55 am - 2:00 pm
ORD
-
CFN
22h 05m
2 stops
Multiple Airlines Logo
2:30 pm - 7:15 pm
CFN
-
ORD
10h 45m
1 stop
$1,280Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Aer Lingus Logo
9:00 pm - 2:00 pm
ORD
-
CFN
11h 00m
1 stop
Aer Lingus Logo
7:55 am - 7:15 pm
CFN
-
ORD
17h 20m
1 stop
$1,281Aer Lingus
Sat, Jun 6 - Sat, Jun 13
Aer Lingus Logo
3:43 pm - 2:00 pm
ORD
-
CFN
16h 17m
2 stops
Aer Lingus Logo
7:55 am - 5:50 pm
CFN
-
ORD
15h 55m
2 stops
$1,294Aer Lingus
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
9:55 am - 8:00 pm
ORD
-
CFN
28h 05m
2 stops
Multiple Airlines Logo
2:30 pm - 6:15 pm
CFN
-
ORD
33h 45m
2 stops
$1,363Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Aer Lingus Logo
9:00 pm - 2:00 pm
ORD
-
CFN
11h 00m
1 stop
Aer Lingus Logo
2:30 pm - 7:15 pm
CFN
-
ORD
10h 45m
1 stop
$1,373Aer Lingus
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
8:45 am - 2:00 pm
ORD
-
CFN
23h 15m
3 stops
Multiple Airlines Logo
2:30 pm - 6:15 pm
CFN
-
ORD
33h 45m
2 stops
$1,535Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
9:00 pm - 2:00 pm
ORD
-
CFN
11h 00m
1 stop
Multiple Airlines Logo
7:55 am - 9:00 am
CFN
-
ORD
31h 05m
2 stops
$1,565Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
9:00 pm - 2:00 pm
ORD
-
CFN
11h 00m
1 stop
Multiple Airlines Logo
2:30 pm - 2:00 pm
CFN
-
ORD
29h 30m
1 stop
$1,678Multiple Airlines
Sat, Jun 6 - Sat, Jun 13
Multiple Airlines Logo
11:05 am - 2:00 pm
ORD
-
CFN
20h 55m
3 stops
Multiple Airlines Logo
2:30 pm - 6:15 pm
CFN
-
ORD
33h 45m
2 stops
$1,694Multiple Airlines
Sat, Jun 6 - Sat, Jun 13

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Aer Lingus flights from Chicago to Donegal

Our best Aer Lingus deals on Chicago to Donegal flight tickets
Aer Lingus
Jun 6
ORD9:00 pmChicago O'Hare Intl
11h 00m
1 stop
CFN2:00 pmDonegal
Jun 13
CFN7:55 amDonegal
17h 20m
1 stop
ORD7:15 pmChicago O'Hare Intl
$1,281
Aer Lingus
Jun 6
ORD3:43 pmChicago O'Hare Intl
16h 17m
2 stops
CFN2:00 pmDonegal
Jun 13
CFN7:55 amDonegal
15h 55m
2 stops
ORD5:50 pmChicago O'Hare Intl
$1,294
Aer Lingus
Jun 6
ORD9:00 pmChicago O'Hare Intl
11h 00m
1 stop
CFN2:00 pmDonegal
Jun 13
CFN2:30 pmDonegal
10h 45m
1 stop
ORD7:15 pmChicago O'Hare Intl
$1,373

momondo 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, momondo users made 832,500 searches. Data last updated April 23, 2026.
Use the filters below to find and compare flights from Chicago to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

9:55 am-2:00 pm

2 stops22h 05m

Donegal

Sat 6/13

2:30 pm-7:15 pm

1 stop10h 45m

$1,266

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

9:55 am-2:00 pm

2 stops22h 05m

Donegal

Sat 6/13

2:30 pm-7:15 pm

1 stop10h 45m

$1,280

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

9:00 pm-2:00 pm

1 stop11h 00m

Donegal

Sat 6/13

7:55 am-7:15 pm

1 stop17h 20m

$1,281

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

3:43 pm-2:00 pm

2 stops16h 17m

Donegal

Sat 6/13

7:55 am-5:50 pm

2 stops15h 55m

$1,294

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

9:55 am-8:00 pm

2 stops28h 05m

Donegal

Sat 6/13

2:30 pm-6:15 pm

2 stops33h 45m

$1,363
Quickest round-trip

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

9:00 pm-2:00 pm

1 stop11h 00m

Donegal

Sat 6/13

2:30 pm-7:15 pm

1 stop10h 45m

$1,373

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

8:45 am-2:00 pm

3 stops23h 15m

Donegal

Sat 6/13

2:30 pm-6:15 pm

2 stops33h 45m

$1,535

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

9:00 pm-2:00 pm

1 stop11h 00m

Donegal

Sat 6/13

7:55 am-9:00 am

2 stops31h 05m

$1,565

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

9:00 pm-2:00 pm

1 stop11h 00m

Donegal

Sat 6/13

2:30 pm-2:00 pm

1 stop29h 30m

$1,678

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

11:05 am-2:00 pm

3 stops20h 55m

Donegal

Sat 6/13

2:30 pm-6:15 pm

2 stops33h 45m

$1,694

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Donegal from

How to get the cheapest flight ticket from Chicago to Donegal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago to Donegal?

Aer Lingus is the most popular carrier operating from Chicago to Donegal

When to book flights from Chicago to Donegal

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Donegal according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Donegal (CHI to CFN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Donegal

Fastest flight time

11h 00m

Direct flights

None
The fastest flight from Chicago to Donegal takes 11h 00m
There are no direct flights from Chicago to Donegal. There are no popular flight routes from Chicago to Donegal.
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Frequently asked questions about flying from Chicago to Donegal

  • How far is Chicago to Donegal by plane?

    Chicago and Donegal are 3554.1 mi apart from one another. By plane, this route typically takes 11h 00m.

  • When did momondo last update prices for flights from Chicago to Donegal Airport?

    Prices for flights from Chicago to Donegal Airport are updated daily.

  • How old do you have to be to fly from Chicago to Donegal Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Donegal Airport.

  • What documentation or ID do you need to fly to Donegal Airport?

    The necessary travel and health documents for your Donegal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Donegal?

Book flights to Donegal if you plan to visit one of these locations
Letterkenny
Bundoran
Killybegs

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Donegal?

It is quick and easy to find Chicago to Donegal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Donegal that suits you.

Can I find flights from Chicago to Donegal with flexible booking policies on momondo?

All flight searches from Chicago to Donegal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Donegal?

momondo helps you find the best flight between Chicago and Donegal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Donegal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Donegal, momondo offers a useful price alert feature which will track prices for flights to Donegal from Chicago and alert you when they change.

An easier way to manage your Donegal trip

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