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 September 2026, there is 1 operator 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.

€344 Cheap Flights from Shannon, Clare to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Shannon, Clare to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:50 - 18:45SNN Shannon-ORD Chicago O'Hare Intl

16h 55m1 stop London Heathrow

17:10 - 16:45ORD Chicago O'Hare Intl-SNN Shannon

17h 35m1 stop London Heathrow

€482Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

07:50 - 13:45SNN Shannon-ORD Chicago O'Hare Intl

11h 55m1 stop London Heathrow

20:30 - 16:45ORD Chicago O'Hare Intl-SNN Shannon

14h 15m1 stop London Heathrow

€517Multiple Airlines

Wed, 11 Nov - Wed, 18 Nov

20:05 - 15:05SNN Shannon-ORD Chicago O'Hare Intl

25h 00m2 stops London Heathrow Madrid Barajas

20:30 - 16:45ORD Chicago O'Hare Intl-SNN Shannon

14h 15m1 stop London Heathrow

€560British Airways

Wed, 11 Nov - Wed, 18 Nov

20:05 - 14:55SNN Shannon-ORD Chicago O'Hare Intl

24h 50m2 stops London Heathrow Madrid Barajas

20:30 - 16:45ORD Chicago O'Hare Intl-SNN Shannon

14h 15m1 stop London Heathrow

€564British Airways

Tue, 10 Nov - Tue, 17 Nov

07:30 - 15:00SNN Shannon-ORD Chicago O'Hare Intl

13h 30m1 stop London Heathrow

22:30 - 16:10ORD Chicago O'Hare Intl-SNN Shannon

11h 40m1 stop London Heathrow

€572Multiple Airlines

Thu, 15 Oct - Mon, 19 Oct

20:05 - 14:55SNN Shannon-ORD Chicago O'Hare Intl

24h 50m2 stops London Heathrow Madrid Barajas

18:05 - 16:45ORD Chicago O'Hare Intl-SNN Shannon

16h 40m2 stops Madrid Barajas London Heathrow

€582British Airways

Tue, 10 Nov - Tue, 17 Nov

12:30 - 00:23SNN Shannon-ORD Chicago O'Hare Intl

17h 53m2 stops Newark Houston George Bush Intcntl

13:55 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

14h 20m1 stop Newark

€626United Airlines

Thu, 15 Oct - Mon, 19 Oct

12:30 - 23:32SNN Shannon-ORD Chicago O'Hare Intl

17h 02m2 stops Newark Washington, D.C. Dulles Intl

12:45 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

15h 30m2 stops Houston George Bush Intcntl Newark

€626United Airlines

Thu, 15 Oct - Mon, 19 Oct

07:50 - 22:30SNN Shannon-ORD Chicago O'Hare Intl

20h 40m2 stops London Heathrow New York John F Kennedy Intl

21:50 - 16:45ORD Chicago O'Hare Intl-SNN Shannon

12h 55m1 stop London Heathrow

€634British Airways

Sat, 9 Jan - Mon, 11 Jan

07:50 - 22:30SNN Shannon-ORD Chicago O'Hare Intl

20h 40m2 stops London Heathrow New York John F Kennedy Intl

20:40 - 11:30ORD Chicago O'Hare Intl-SNN Shannon

32h 50m1 stop London Heathrow

€634British Airways

Sat, 9 Jan - Mon, 11 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:30 - 21:29SNN Shannon-ORD Chicago O'Hare Intl

14h 59m2 stops Newark Washington, D.C. Reagan-National

14:00 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

14h 15m2 stops Washington, D.C. Reagan-National Newark

€534United Airlines

Fri, 2 Oct - Fri, 9 Oct

12:30 - 21:32SNN Shannon-ORD Chicago O'Hare Intl

15h 02m1 stop Newark

16:00 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

12h 15m1 stop Newark

€534United Airlines

Fri, 2 Oct - Fri, 9 Oct

12:30 - 21:29SNN Shannon-ORD Chicago O'Hare Intl

14h 59m2 stops Newark Washington, D.C. Reagan-National

12:09 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

16h 06m1 stop Newark

€534United Airlines

Fri, 2 Oct - Fri, 9 Oct

12:30 - 20:22SNN Shannon-ORD Chicago O'Hare Intl

13h 52m1 stop Newark

14:00 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

14h 15m2 stops Washington, D.C. Reagan-National Newark

€535United Airlines

Sun, 4 Oct - Mon, 12 Oct

12:30 - 23:32SNN Shannon-ORD Chicago O'Hare Intl

17h 02m2 stops Newark Washington, D.C. Dulles Intl

10:54 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

17h 21m2 stops Washington, D.C. Dulles Intl Newark

€535United Airlines

Mon, 5 Oct - Mon, 12 Oct

12:30 - 21:29SNN Shannon-ORD Chicago O'Hare Intl

14h 59m2 stops Newark Washington, D.C. Reagan-National

16:00 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

12h 15m2 stops Washington, D.C. Reagan-National Newark

€535United Airlines

Sun, 4 Oct - Mon, 12 Oct

12:30 - 21:32SNN Shannon-ORD Chicago O'Hare Intl

15h 02m1 stop Newark

14:00 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

14h 15m2 stops Washington, D.C. Reagan-National Newark

€535United Airlines

Mon, 5 Oct - Mon, 12 Oct

12:30 - 18:39SNN Shannon-ORD Chicago O'Hare Intl

12h 09m1 stop Newark

06:00 - 10:15ORD Chicago O'Hare Intl-SNN Shannon

22h 15m1 stop Newark

€535United Airlines

Mon, 5 Oct - Mon, 12 Oct

16:50 - 12:25SNN Shannon-ORD Chicago O'Hare Intl

25h 35m1 stop London Heathrow

18:35 - 11:20ORD Chicago O'Hare Intl-SNN Shannon

10h 45m1 stop London Heathrow

€672British Airways

Sat, 3 Oct - Sat, 10 Oct

21:15 - 12:25SNN Shannon-ORD Chicago O'Hare Intl

21h 10m1 stop London Heathrow

22:30 - 16:10ORD Chicago O'Hare Intl-SNN Shannon

11h 40m1 stop London Heathrow

€740British Airways

Wed, 30 Sep - Mon, 12 Oct

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British Airways flights from Shannon, Clare to Illinois

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

British Airways

11 Nov

SNN20:05Shannon

25h 00m

2 stops

ORD15:05Chicago O'Hare Intl

18 Nov

ORD20:30Chicago O'Hare Intl

14h 15m

1 stop

SNN16:45Shannon

€560

British Airways

10 Nov

SNN20:05Shannon

24h 50m

2 stops

ORD14:55Chicago O'Hare Intl

17 Nov

ORD20:30Chicago O'Hare Intl

14h 15m

1 stop

SNN16:45Shannon

€564

British Airways

10 Nov

SNN20:05Shannon

24h 50m

2 stops

ORD14:55Chicago O'Hare Intl

17 Nov

ORD18:05Chicago O'Hare Intl

16h 40m

2 stops

SNN16:45Shannon

€582

United Airlines flights from Shannon, Clare to Illinois

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

United Airlines

2 Oct

SNN12:30Shannon

14h 59m

2 stops

ORD21:29Chicago O'Hare Intl

9 Oct

ORD12:09Chicago O'Hare Intl

16h 06m

1 stop

SNN10:15Shannon

€534

United Airlines

4 Oct

SNN12:30Shannon

15h 01m

1 stop

ORD21:31Chicago O'Hare Intl

11 Oct

ORD16:00Chicago O'Hare Intl

12h 15m

1 stop

SNN10:15Shannon

€535

United Airlines

4 Oct

SNN12:30Shannon

15h 58m

1 stop

ORD22:28Chicago O'Hare Intl

12 Oct

ORD16:00Chicago O'Hare Intl

12h 15m

1 stop

SNN10:15Shannon

€597

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Tue 10/11

07:50-18:45

1 stop16h 55m

Chicago O'Hare Intl

Tue 17/11

17:10-16:45

1 stop17h 35m

€482

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Wed 11/11

07:50-13:45

1 stop11h 55m

Chicago O'Hare Intl

Wed 18/11

20:30-16:45

1 stop14h 15m

€517

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Wed 11/11

20:05-15:05

2 stops25h 00m

Chicago O'Hare Intl

Wed 18/11

20:30-16:45

1 stop14h 15m

€560

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Tue 10/11

20:05-14:55

2 stops24h 50m

Chicago O'Hare Intl

Tue 17/11

20:30-16:45

1 stop14h 15m

€564

Fastest return journey

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Thu 15/10

07:30-15:00

1 stop13h 30m

Chicago O'Hare Intl

Mon 19/10

22:30-16:10

1 stop11h 40m

€572

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Tue 10/11

20:05-14:55

2 stops24h 50m

Chicago O'Hare Intl

Tue 17/11

18:05-16:45

2 stops16h 40m

€582

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Thu 15/10

12:30-00:23

2 stops17h 53m

Chicago O'Hare Intl

Mon 19/10

13:55-10:15

1 stop14h 20m

€626

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Thu 15/10

12:30-23:32

2 stops17h 02m

Chicago O'Hare Intl

Mon 19/10

12:45-10:15

2 stops15h 30m

€626

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Sat 9/1

07:50-22:30

2 stops20h 40m

Chicago O'Hare Intl

Mon 11/1

21:50-16:45

1 stop12h 55m

€634

ShannonChicago

SNN Shannon - ORD Chicago O'Hare Intl

SNNORD

Shannon

Sat 9/1

07:50-22:30

2 stops20h 40m

Chicago O'Hare Intl

Mon 11/1

20:40-11:30

1 stop32h 50m

€634

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, Sunday is the cheapest day to fly to Illinois from Shannon, Clare. The lowest ticket price found for a Sunday departure recently was €800. 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, Saturday 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 €928.

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, Clare to Illinois flights?

There are 2 cabin classes available to choose from on Shannon, Clare 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 20% 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	€344
Fastest flight time	15h 58m
Direct flights	None

The best one-way flight to Illinois from Shannon, Clare in the past 72 hours is €344. The best return flight deal from Shannon, Clare to Illinois found on momondo in the last 72 hours is €482.

The fastest flight from Shannon, Clare to Illinois takes 15h 58m

There are no direct flights from Shannon, Clare to Illinois. There are no popular flight routes from Shannon, Clare to Illinois.

Search flight deals

Frequently asked questions about flying from Shannon, Clare 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 September 2026, there is 1 operator 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 69.23% of the total bookings. Other popular models include Airbus A321neo with 10.26%, Boeing 767-300 (winglets) with 7.69%, and Embraer 195 with 7.69%.

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 €693	Free Cancellation	Rating 7.4 10,261 reviews		Search United Airlines 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.