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

British Airways is the most popular carrier 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.

€327 Cheap Flights from Shannon to Illinois in 2025/26

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Find the cheapest flights from Shannon, Clare to Illinois

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

07:50 - 15:25

SNN

ORD

13h 35m1 stop

18:25 - 11:30

ORD

SNN

11h 05m1 stop

€509British Airways

Thu, 15 Jan - Mon, 19 Jan

20:05 - 15:25

SNN

ORD

25h 20m1 stop

13:35 - 11:30

ORD

SNN

15h 55m2 stops

€512British Airways

Mon, 26 Jan - Mon, 2 Feb

07:50 - 19:50

SNN

ORD

18h 00m2 stops

18:25 - 11:30

ORD

SNN

11h 05m1 stop

€513British Airways

Thu, 15 Jan - Mon, 19 Jan

07:50 - 19:50

SNN

ORD

18h 00m2 stops

18:25 - 11:30

ORD

SNN

11h 05m1 stop

€514British Airways

Thu, 15 Jan - Mon, 19 Jan

07:50 - 20:10

SNN

ORD

18h 20m2 stops

11:44 - 11:30

ORD

SNN

17h 46m2 stops

€516British Airways

Mon, 26 Jan - Mon, 2 Feb

20:05 - 17:42

SNN

ORD

27h 37m2 stops

16:14 - 16:45

ORD

SNN

18h 31m2 stops

€543British Airways

Sun, 25 Jan - Sun, 1 Feb

07:50 - 19:48

SNN

ORD

17h 58m2 stops

21:45 - 19:25

ORD

SNN

15h 40m1 stop

€544British Airways

Fri, 13 Feb - Wed, 18 Feb

21:15 - 11:55

SNN

ORD

20h 40m1 stop

21:15 - 20:35

ORD

SNN

17h 20m1 stop

€591British Airways

Fri, 22 May - Mon, 15 Jun

09:05 - 15:25

SNN

ORD

36h 20m3 stops

18:30 - 21:45

ORD

SNN

21h 15m3 stops

€604Multiple Airlines

Thu, 15 Jan - Mon, 19 Jan

17:30 - 17:20

SNN

ORD

29h 50m2 stops

18:30 - 19:20

ORD

SNN

18h 50m2 stops

€610Multiple Airlines

Tue, 20 Jan - Sat, 24 Jan

British Airways flights from Shannon, Clare to Illinois

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

British Airways

15 Jan

SNN07:50Shannon

13h 35m

1 stop

ORD15:25Chicago O'Hare Intl

19 Jan

ORD18:25Chicago O'Hare Intl

11h 05m

1 stop

SNN11:30Shannon

€509

Find similar

British Airways

26 Jan

SNN20:05Shannon

25h 20m

1 stop

ORD15:25Chicago O'Hare Intl

2 Feb

ORD13:35Chicago O'Hare Intl

15h 55m

2 stops

SNN11:30Shannon

€512

Find similar

British Airways

25 Jan

SNN20:05Shannon

27h 37m

2 stops

ORD17:42Chicago O'Hare Intl

1 Feb

ORD18:25Chicago O'Hare Intl

19h 00m

1 stop

SNN19:25Shannon

€513

Find similar

United Airlines flights from Shannon, Clare to Illinois

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

United Airlines

14 May

SNN12:30Shannon

12h 17m

1 stop

ORD18:47Chicago O'Hare Intl

6 Jun

ORD18:05Chicago O'Hare Intl

7h 25m

SNN07:30Shannon

€619

Find similar

United Airlines

16 May

SNN12:30Shannon

13h 47m

1 stop

ORD20:17Chicago O'Hare Intl

6 Jun

ORD18:05Chicago O'Hare Intl

7h 25m

SNN07:30Shannon

€658

Find similar

United Airlines

22 May

SNN09:30Shannon

8h 20m

ORD11:50Chicago O'Hare Intl

15 Jun

ORD18:05Chicago O'Hare Intl

7h 25m

SNN07:30Shannon

€720

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 15/1

07:50-15:25

1 stop13h 35m

Chicago O'Hare Intl

Mon 19/1

18:25-11:30

1 stop11h 05m

€509

ShannonChicago

SNN - ORD

SNNORD

Shannon

Mon 26/1

20:05-15:25

1 stop25h 20m

Chicago O'Hare Intl

Mon 2/2

13:35-11:30

2 stops15h 55m

€512

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 15/1

07:50-19:50

2 stops18h 00m

Chicago O'Hare Intl

Mon 19/1

18:25-11:30

1 stop11h 05m

€513

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 15/1

07:50-19:50

2 stops18h 00m

Chicago O'Hare Intl

Mon 19/1

18:25-11:30

1 stop11h 05m

€514

ShannonChicago

SNN - ORD

SNNORD

Shannon

Mon 26/1

07:50-20:10

2 stops18h 20m

Chicago O'Hare Intl

Mon 2/2

11:44-11:30

2 stops17h 46m

€516

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 25/1

20:05-17:42

2 stops27h 37m

Chicago O'Hare Intl

Sun 1/2

16:14-16:45

2 stops18h 31m

€543

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 13/2

07:50-19:48

2 stops17h 58m

Chicago O'Hare Intl

Wed 18/2

21:45-19:25

1 stop15h 40m

€544

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 22/5

21:15-11:55

1 stop20h 40m

Chicago O'Hare Intl

Mon 15/6

21:15-20:35

1 stop17h 20m

€591

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 15/1

09:05-15:25

3 stops36h 20m

Chicago O'Hare Intl

Mon 19/1

18:30-21:45

3 stops21h 15m

€604

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 20/1

17:30-17:20

2 stops29h 50m

Chicago O'Hare Intl

Sat 24/1

18:30-19:20

2 stops18h 50m

€610

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 €652. 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 €971.

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	€546
Fastest flight time	8h 20m
Direct flights	Fri and Sat
Airports in Illinois	98 airports

The best flight deal from Shannon, Clare to Illinois found on momondo in the last 72 hours is €546

The fastest flight from Shannon, Clare to Illinois takes 8h 20m

Direct flights go from Shannon, Clare to Illinois on Friday and Saturday. There are no airlines offering direct flights..

There are 98 airports in Illinois. From Shannon, Clare there are direct flights to Chicago O'Hare Intl (ORD).

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 42.86% of the total bookings. Other popular models include Boeing 767-300 (winglets) with 10.71%, Airbus A220-300 with 10.71%, and Airbus A330-300 with 10.71%.

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 €418	Free Cancellation	Rating 7.4 9,093 reviews		Search United Airlines flights
British Airways	PriceFrom €515	Free Cancellation	Rating 6.7 7,571 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.