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Cheap flights from Chicago to Donegal from €835

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Donegal departing on 1/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
21:00 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
11h 00m1 stop Dublin
Aer Lingus Logo
14:30 - 19:15CFN  Donegal-ORD Chicago O'Hare Intl
10h 45m1 stop Dublin
€835Aer Lingus
Tue, 1 Sep - Wed, 9 Sep
Aer Lingus Logo
21:00 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
11h 00m1 stop Dublin
Aer Lingus Logo
07:55 - 19:15CFN  Donegal-ORD Chicago O'Hare Intl
17h 20m1 stop Dublin
€846Aer Lingus
Mon, 28 Sep - Mon, 5 Oct
Aer Lingus Logo
06:40 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
25h 20m2 stops Cleveland Hopkins Intl Dublin
Aer Lingus Logo
07:55 - 14:00CFN  Donegal-ORD Chicago O'Hare Intl
12h 05m1 stop Dublin
€857Aer Lingus
Tue, 1 Sep - Wed, 9 Sep
Multiple Airlines Logo
21:00 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
11h 00m1 stop Dublin
Multiple Airlines Logo
14:30 - 19:15CFN  Donegal-ORD Chicago O'Hare Intl
10h 45m1 stop Dublin
€867Multiple Airlines
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
18:30 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
13h 30m2 stops New York John F Kennedy Intl Dublin
Multiple Airlines Logo
14:30 - 19:15CFN  Donegal-ORD Chicago O'Hare Intl
10h 45m1 stop Dublin
€874Multiple Airlines
Tue, 1 Sep - Tue, 8 Sep
Aer Lingus Logo
06:45 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
25h 15m2 stops Denver Intl Dublin
Aer Lingus Logo
07:55 - 19:15CFN  Donegal-ORD Chicago O'Hare Intl
17h 20m1 stop Dublin
€881Aer Lingus
Wed, 26 Aug - Wed, 2 Sep
British Airways Logo
18:50 - 20:00ORD  Chicago O'Hare Intl-CFN Donegal
19h 10m2 stops London Heathrow Dublin
British Airways Logo
08:00 - 18:45CFN  Donegal-ORD Chicago O'Hare Intl
16h 45m2 stops Dublin London Heathrow
€889British Airways
Sun, 6 Dec - Thu, 10 Dec
Aer Lingus Logo
15:45 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
16h 15m1 stop Dublin
Aer Lingus Logo
14:30 - 19:15CFN  Donegal-ORD Chicago O'Hare Intl
10h 45m1 stop Dublin
€891Aer Lingus
Tue, 1 Sep - Fri, 11 Sep
Multiple Airlines Logo
22:25 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
33h 35m2 stops London Heathrow Dublin
Multiple Airlines Logo
14:30 - 12:30CFN  Donegal-ORD Chicago O'Hare Intl
28h 00m2 stops Dublin London Heathrow
€898Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
15:45 - 14:00ORD  Chicago O'Hare Intl-CFN Donegal
16h 15m1 stop Dublin
Multiple Airlines Logo
14:30 - 19:15CFN  Donegal-ORD Chicago O'Hare Intl
10h 45m1 stop Dublin
€900Multiple Airlines
Mon, 31 Aug - Tue, 8 Sep

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Aer Lingus flights from Chicago to Donegal

Our best Aer Lingus deals on Chicago to Donegal flight tickets
Aer Lingus
1 Sept
ORD21:00Chicago O'Hare Intl
11h 00m
1 stop
CFN14:00Donegal
9 Sept
CFN14:30Donegal
10h 45m
1 stop
ORD19:15Chicago O'Hare Intl
€835
Aer Lingus
28 Sept
ORD21:00Chicago O'Hare Intl
11h 00m
1 stop
CFN14:00Donegal
5 Oct
CFN07:55Donegal
17h 20m
1 stop
ORD19:15Chicago O'Hare Intl
€846
Aer Lingus
1 Sept
ORD06:40Chicago O'Hare Intl
25h 20m
2 stops
CFN14:00Donegal
9 Sept
CFN07:55Donegal
12h 05m
1 stop
ORD14:00Chicago O'Hare Intl
€857

British Airways flights from Chicago to Donegal

Our best British Airways deals on Chicago to Donegal flight tickets
British Airways
6 Dec
ORD18:50Chicago O'Hare Intl
19h 10m
2 stops
CFN20:00Donegal
10 Dec
CFN08:00Donegal
16h 45m
2 stops
ORD18:45Chicago O'Hare Intl
€889
British Airways
1 Sept
ORD19:05Chicago O'Hare Intl
36h 55m
2 stops
CFN14:00Donegal
9 Sept
CFN14:30Donegal
27h 55m
2 stops
ORD12:25Chicago O'Hare Intl
€1,118
British Airways
30 Aug
ORD22:30Chicago O'Hare Intl
33h 30m
2 stops
CFN14:00Donegal
7 Sept
CFN14:30Donegal
29h 20m
2 stops
ORD13:50Chicago O'Hare Intl
€1,135

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 17 August 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
Fastest return journey

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Tue 1/9

21:00-14:00

1 stop11h 00m

Donegal

Wed 9/9

14:30-19:15

1 stop10h 45m

€835

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Mon 28/9

21:00-14:00

1 stop11h 00m

Donegal

Mon 5/10

07:55-19:15

1 stop17h 20m

€846

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Tue 1/9

06:40-14:00

2 stops25h 20m

Donegal

Wed 9/9

07:55-14:00

1 stop12h 05m

€857

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Wed 2/9

21:00-14:00

1 stop11h 00m

Donegal

Wed 9/9

14:30-19:15

1 stop10h 45m

€867

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Tue 1/9

18:30-14:00

2 stops13h 30m

Donegal

Tue 8/9

14:30-19:15

1 stop10h 45m

€874

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Wed 26/8

06:45-14:00

2 stops25h 15m

Donegal

Wed 2/9

07:55-19:15

1 stop17h 20m

€881

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Sun 6/12

18:50-20:00

2 stops19h 10m

Donegal

Thu 10/12

08:00-18:45

2 stops16h 45m

€889

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Tue 1/9

15:45-14:00

1 stop16h 15m

Donegal

Fri 11/9

14:30-19:15

1 stop10h 45m

€891

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Mon 28/9

22:25-14:00

2 stops33h 35m

Donegal

Mon 5/10

14:30-12:30

2 stops28h 00m

€898

ChicagoDonegal

ORD Chicago O'Hare Intl - CFN Donegal

ORDCFN

Chicago O'Hare Intl

Mon 31/8

15:45-14:00

1 stop16h 15m

Donegal

Tue 8/9

14:30-19:15

1 stop10h 45m

€900

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

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?

    There are 5719.8 km between Chicago and Donegal. 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 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.

Frequently asked questions about flying from Chicago to Donegal

  • How do I get Price Alerts for flights from Chicago to Donegal?

    Search flight deals from Chicago to Donegal. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Chicago to Donegal with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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