What is the cheapest airline that flies from Shannon to Illinois?

Aer Lingus and British Airways are the most popular carriers operating from Shannon to Illinois

When did momondo last update prices for flights from Shannon Airport to Illinois?

Prices for flights from Shannon Airport to Illinois refresh daily.

How many operators does momondo search for flights from Shannon Airport to Illinois?

As of December 2025, there are 2 operators available to choose from for flights from Shannon Airport to Illinois.

How old do you have to be to fly from Shannon Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€351 Cheap Flights from Shannon to Illinois in 2025/26

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Find the cheapest flights from Shannon, Clare to Illinois

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:30 - 17:00

SNN

ORD

29h 30m1 stop

20:45 - 16:45

ORD

SNN

14h 00m1 stop

€570Multiple Airlines

Thu, 15 Jan - Mon, 19 Jan

07:50 - 15:25

SNN

ORD

13h 35m1 stop

11:40 - 11:30

ORD

SNN

17h 50m2 stops

€579American Airlines

Thu, 26 Feb - Mon, 2 Mar

07:50 - 15:25

SNN

ORD

13h 35m1 stop

13:52 - 11:30

ORD

SNN

15h 38m2 stops

€580American Airlines

Thu, 26 Feb - Mon, 2 Mar

07:50 - 19:50

SNN

ORD

18h 00m2 stops

14:50 - 11:30

ORD

SNN

14h 40m2 stops

€584American Airlines

Thu, 15 Jan - Mon, 19 Jan

07:50 - 19:09

SNN

ORD

17h 19m2 stops

13:52 - 11:30

ORD

SNN

15h 38m2 stops

€585American Airlines

Thu, 26 Feb - Mon, 2 Mar

20:05 - 17:42

SNN

ORD

27h 37m2 stops

18:25 - 19:25

ORD

SNN

19h 00m1 stop

€772British Airways

Sun, 11 Jan - Thu, 15 Jan

20:05 - 13:50

SNN

ORD

23h 45m1 stop

17:10 - 11:30

ORD

SNN

12h 20m1 stop

€974Aer Lingus

Sun, 11 Jan - Thu, 15 Jan

20:05 - 13:50

SNN

ORD

23h 45m1 stop

17:10 - 16:45

ORD

SNN

17h 35m1 stop

€7,638British Airways

Sun, 11 Jan - Thu, 15 Jan

07:50 - 18:45

SNN

ORD

16h 55m1 stop

13:35 - 11:30

ORD

SNN

15h 55m2 stops

€7,639British Airways

Sun, 11 Jan - Thu, 15 Jan

07:50 - 23:27

SNN

ORD

21h 37m2 stops

10:10 - 16:45

ORD

SNN

24h 35m2 stops

€7,643British Airways

Sun, 11 Jan - Thu, 15 Jan

American Airlines flights from Shannon, Clare to Illinois

Our best American Airlines deals on Shannon, Clare to Illinois flight tickets

American Airlines

26 Feb

SNN07:50Shannon

15h 10m

1 stop

ORD17:00Chicago O'Hare Intl

2 Mar

ORD18:35Chicago O'Hare Intl

16h 10m

1 stop

SNN16:45Shannon

€579

Find similar

American Airlines

26 Feb

SNN07:50Shannon

15h 10m

1 stop

ORD17:00Chicago O'Hare Intl

2 Mar

ORD20:45Chicago O'Hare Intl

14h 00m

1 stop

SNN16:45Shannon

€580

Find similar

American Airlines

26 Feb

SNN07:50Shannon

17h 59m

2 stops

ORD19:49Chicago O'Hare Intl

2 Mar

ORD13:52Chicago O'Hare Intl

15h 38m

2 stops

SNN11:30Shannon

€584

Find similar

British Airways flights from Shannon, Clare to Illinois

Our best British Airways deals on Shannon, Clare to Illinois flight tickets

British Airways

11 Jan

SNN20:05Shannon

27h 37m

2 stops

ORD17:42Chicago O'Hare Intl

15 Jan

ORD18:25Chicago O'Hare Intl

19h 00m

1 stop

SNN19:25Shannon

€772

Find similar

British Airways

1 Jan

SNN07:50Shannon

12h 00m

1 stop

ORD13:50Chicago O'Hare Intl

5 Jan

ORD20:40Chicago O'Hare Intl

16h 45m

1 stop

SNN19:25Shannon

€932

Find similar

British Airways

11 Jan

SNN20:05Shannon

23h 45m

1 stop

ORD13:50Chicago O'Hare Intl

15 Jan

ORD17:10Chicago O'Hare Intl

17h 35m

1 stop

SNN16:45Shannon

€7,638

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 15/1

17:30-17:00

1 stop29h 30m

Chicago O'Hare Intl

Mon 19/1

20:45-16:45

1 stop14h 00m

€570

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 26/2

07:50-15:25

1 stop13h 35m

Chicago O'Hare Intl

Mon 2/3

11:40-11:30

2 stops17h 50m

€579

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 26/2

07:50-15:25

1 stop13h 35m

Chicago O'Hare Intl

Mon 2/3

13:52-11:30

2 stops15h 38m

€580

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 15/1

07:50-19:50

2 stops18h 00m

Chicago O'Hare Intl

Mon 19/1

14:50-11:30

2 stops14h 40m

€584

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 26/2

07:50-19:09

2 stops17h 19m

Chicago O'Hare Intl

Mon 2/3

13:52-11:30

2 stops15h 38m

€585

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 11/1

20:05-17:42

2 stops27h 37m

Chicago O'Hare Intl

Thu 15/1

18:25-19:25

1 stop19h 00m

€772

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 11/1

20:05-13:50

1 stop23h 45m

Chicago O'Hare Intl

Thu 15/1

17:10-11:30

1 stop12h 20m

€974

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 11/1

20:05-13:50

1 stop23h 45m

Chicago O'Hare Intl

Thu 15/1

17:10-16:45

1 stop17h 35m

€7,638

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 11/1

07:50-18:45

1 stop16h 55m

Chicago O'Hare Intl

Thu 15/1

13:35-11:30

2 stops15h 55m

€7,639

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 11/1

07:50-23:27

2 stops21h 37m

Chicago O'Hare Intl

Thu 15/1

10:10-16:45

2 stops24h 35m

€7,643

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Shannon, Clare to Illinois

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

Prices

Airlines

What is the cheapest day to depart on your flight to Illinois?

According to our data, Tuesday is the cheapest day to fly to Illinois from Shannon, Clare. The lowest ticket price found for a Tuesday departure recently was €650. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Shannon, Clare because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €967.

What is the cheapest Shannon to Illinois flight route?

Fly from Shannon to Chicago O'Hare Intl for the best Shannon - Illinois flight prices

What cabin class options are available on Shannon to Illinois flights?

There is only 1 cabin class available to choose from on Shannon to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Shannon, Clare to Illinois flights?

You could potentially save up to 19% on your flight if you consider stops on a Shannon, Clare to Illinois flight.

Cheap Shannon, Clare to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Shannon, Clare to Illinois

Best price found	€544
Fastest flight time	13h 35m
Direct flights	None

The best flight deal from Shannon, Clare to Illinois found on momondo in the last 72 hours is €544

The fastest flight from Shannon, Clare to Illinois takes 13h 35m

There are no direct flights from Shannon, Clare to Illinois. Popular non-direct route for this connection is Shannon Airport - Chicago O'Hare Intl Airport.

Search flight deals

When did momondo last update prices for flights from Shannon Airport to Illinois?
Prices for flights from Shannon Airport to Illinois refresh daily.
How many operators does momondo search for flights from Shannon Airport to Illinois?
As of December 2025, there are 2 operators available to choose from for flights from Shannon Airport to Illinois.
How old do you have to be to fly from Shannon Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Shannon, Clare to Illinois?
Based on momondo bookings for flights between Shannon, Clare and Illinois, the leading plane model is Boeing 757-200, making up 44.83% of the total bookings. Other popular models include Boeing 767-300 (winglets) with 10.34%, Airbus A220-300 with 10.34%, and Airbus A330-300 with 10.34%.

Best airlines flying from Shannon, Clare to Illinois

Compare and see reviews for airlines that fly from Shannon, Clare to Illinois with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom €417	Free Cancellation	Rating 7.4 9,116 reviews		Search United Airlines flights
British Airways	PriceFrom €513	Free Cancellation	Rating 6.7 7,614 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Shannon to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Shannon to Illinois for you.

Can I find flights from Shannon to Illinois with flexible booking policies on momondo?

Flights from Shannon to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Shannon to Illinois?

momondo helps you find the best flight between Shannon and Illinois 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 Shannon to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Shannon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Find better results for your trip to Illinois

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Cheap flights from Shannon, Clare to Illinois from €351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Shannon, Clare to Illinois departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Shannon, Clare to Illinois

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

American Airlines flights from Shannon, Clare to Illinois

Our best American Airlines deals on Shannon, Clare to Illinois flight tickets

British Airways flights from Shannon, Clare to Illinois

Our best British Airways deals on Shannon, Clare to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Shannon, Clare to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Shannon, Clare to Illinois

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest Shannon to Illinois flight route?

Fly from Shannon to Chicago O'Hare Intl for the best Shannon - Illinois flight prices

What cabin class options are available on Shannon to Illinois flights?

There is only 1 cabin class available to choose from on Shannon to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Shannon, Clare to Illinois flights?

You could potentially save up to 19% on your flight if you consider stops on a Shannon, Clare to Illinois flight.

What is the cheapest airline that flies from Shannon to Illinois?

Aer Lingus and British Airways are the most popular carriers operating from Shannon to Illinois

Cheap Shannon, Clare to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Shannon, Clare to Illinois

Best price found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Shannon Airport to Illinois?

How many operators does momondo search for flights from Shannon Airport to Illinois?

How old do you have to be to fly from Shannon Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Shannon, Clare to Illinois?

Best airlines flying from Shannon, Clare to Illinois

Compare and see reviews for airlines that fly from Shannon, Clare to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Shannon to Illinois?

Can I find flights from Shannon to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Shannon to Illinois?

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

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo