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Cheap flights from Chicago to Donegal from €451

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 7/6. 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
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Find the cheapest flights from Chicago to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:25 - 20:00
ORD
-
CFN
18h 35m
2 stops
Multiple Airlines Logo
07:55 - 18:15
CFN
-
ORD
16h 20m
2 stops
€942Multiple Airlines
Sun, 7 Jun - Sun, 14 Jun
Aer Lingus Logo
15:06 - 14:00
ORD
-
CFN
16h 54m
2 stops
Aer Lingus Logo
14:30 - 11:30
CFN
-
ORD
27h 00m
1 stop
€1,054Aer Lingus
Sun, 7 Jun - Sun, 14 Jun
Aer Lingus Logo
21:00 - 14:00
ORD
-
CFN
11h 00m
1 stop
Aer Lingus Logo
14:30 - 11:30
CFN
-
ORD
27h 00m
1 stop
€1,056Aer Lingus
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
09:55 - 14:00
ORD
-
CFN
22h 05m
2 stops
Multiple Airlines Logo
07:55 - 10:18
CFN
-
ORD
32h 23m
3 stops
€1,080Multiple Airlines
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
09:55 - 14:00
ORD
-
CFN
22h 05m
2 stops
Multiple Airlines Logo
14:30 - 19:15
CFN
-
ORD
10h 45m
1 stop
€1,082Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun
Multiple Airlines Logo
09:55 - 14:00
ORD
-
CFN
22h 05m
2 stops
Multiple Airlines Logo
14:30 - 19:15
CFN
-
ORD
10h 45m
1 stop
€1,094Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun
Aer Lingus Logo
21:00 - 14:00
ORD
-
CFN
11h 00m
1 stop
Aer Lingus Logo
07:55 - 19:15
CFN
-
ORD
17h 20m
1 stop
€1,095Aer Lingus
Sat, 6 Jun - Sat, 13 Jun
Aer Lingus Logo
15:43 - 14:00
ORD
-
CFN
16h 17m
2 stops
Aer Lingus Logo
07:55 - 17:50
CFN
-
ORD
15h 55m
2 stops
€1,106Aer Lingus
Sat, 6 Jun - Sat, 13 Jun
Multiple Airlines Logo
12:59 - 20:00
ORD
-
CFN
25h 01m
3 stops
Multiple Airlines Logo
07:55 - 10:18
CFN
-
ORD
32h 23m
3 stops
€1,119Multiple Airlines
Sun, 7 Jun - Sun, 14 Jun
Multiple Airlines Logo
09:55 - 20:00
ORD
-
CFN
28h 05m
2 stops
Multiple Airlines Logo
14:30 - 18:15
CFN
-
ORD
33h 45m
2 stops
€1,165Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun

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Aer Lingus flights from Chicago to Donegal

Our best Aer Lingus deals on Chicago to Donegal flight tickets
Aer Lingus
7 Jun
ORD15:06Chicago O'Hare Intl
16h 54m
2 stops
CFN14:00Donegal
14 Jun
CFN14:30Donegal
27h 00m
1 stop
ORD11:30Chicago O'Hare Intl
€1,054
Aer Lingus
7 Jun
ORD21:00Chicago O'Hare Intl
11h 00m
1 stop
CFN14:00Donegal
14 Jun
CFN14:30Donegal
27h 00m
1 stop
ORD11:30Chicago O'Hare Intl
€1,056
Aer Lingus
6 Jun
ORD21:00Chicago O'Hare Intl
11h 00m
1 stop
CFN14:00Donegal
13 Jun
CFN07:55Donegal
17h 20m
1 stop
ORD19:15Chicago O'Hare Intl
€1,095

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 25 April 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 return flight

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sun 7/6

19:25-20:00

2 stops18h 35m

Donegal

Sun 14/6

07:55-18:15

2 stops16h 20m

€942

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sun 7/6

15:06-14:00

2 stops16h 54m

Donegal

Sun 14/6

14:30-11:30

1 stop27h 00m

€1,054

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sun 7/6

21:00-14:00

1 stop11h 00m

Donegal

Sun 14/6

14:30-11:30

1 stop27h 00m

€1,056

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sun 7/6

09:55-14:00

2 stops22h 05m

Donegal

Sun 14/6

07:55-10:18

3 stops32h 23m

€1,080

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

09:55-14:00

2 stops22h 05m

Donegal

Sat 13/6

14:30-19:15

1 stop10h 45m

€1,082

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

09:55-14:00

2 stops22h 05m

Donegal

Sat 13/6

14:30-19:15

1 stop10h 45m

€1,094
Fastest return journey

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

21:00-14:00

1 stop11h 00m

Donegal

Sat 13/6

07:55-19:15

1 stop17h 20m

€1,095

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

15:43-14:00

2 stops16h 17m

Donegal

Sat 13/6

07:55-17:50

2 stops15h 55m

€1,106

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sun 7/6

12:59-20:00

3 stops25h 01m

Donegal

Sun 14/6

07:55-10:18

3 stops32h 23m

€1,119

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Sat 6/6

09:55-20:00

2 stops28h 05m

Donegal

Sat 13/6

14:30-18:15

2 stops33h 45m

€1,165

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 return 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

33h 30m

Direct flights

None
The fastest flight from Chicago to Donegal takes 33h 30m
There are no direct flights from Chicago to Donegal. There are no popular flight routes from Chicago to Donegal.
Search flight deals

Frequently asked questions about flying from Chicago to Donegal

  • How far is Chicago to Donegal by plane?

    There are 5719.8 km between Chicago and Donegal. By plane, this route typically takes 33h 30m.

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

    Prices for flights from Chicago to Donegal Airport are refreshed on a daily basis.

  • 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 stopovers. 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 travel and health documents required for your trip to Donegal Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Donegal Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Donegal . Millions of users trust and use momondo every year so you are in good hands.

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 provides multiple filters to help you find the best flight to Donegal from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Donegal from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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