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Cheap flights from Illinois to Shannon from €265

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Shannon departing on 2/10. 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 Illinois to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
18:05 - 07:30ORD  Chicago O'Hare Intl-SNN Shannon
7h 25mdirect
United Airlines Logo
12:30 - 23:21SNN  Shannon-ORD Chicago O'Hare Intl
16h 51m1 stop Newark
€654United Airlines
Mon, 21 Sep - Tue, 29 Sep
United Airlines Logo
18:00 - 10:15ORD  Chicago O'Hare Intl-SNN Shannon
10h 15m1 stop Newark
United Airlines Logo
12:30 - 20:13SNN  Shannon-ORD Chicago O'Hare Intl
13h 43m1 stop Newark
€657United Airlines
Mon, 28 Sep - Fri, 16 Oct
United Airlines Logo
12:55 - 10:15ORD  Chicago O'Hare Intl-SNN Shannon
15h 20m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
12:30 - 07:25SNN  Shannon-ORD Chicago O'Hare Intl
24h 55m2 stops Newark Washington, D.C. Dulles Intl
€661United Airlines
Sun, 11 Oct - Thu, 22 Oct
United Airlines Logo
21:35 - 10:15ORD  Chicago O'Hare Intl-SNN Shannon
30h 40m1 stop Newark
United Airlines Logo
12:30 - 18:39SNN  Shannon-ORD Chicago O'Hare Intl
12h 09m1 stop Newark
€662United Airlines
Sat, 3 Oct - Thu, 15 Oct
United Airlines Logo
18:05 - 07:30ORD  Chicago O'Hare Intl-SNN Shannon
7h 25mdirect
United Airlines Logo
09:30 - 11:50SNN  Shannon-ORD Chicago O'Hare Intl
8h 20mdirect
€675United Airlines
Wed, 9 Sep - Thu, 17 Sep
United Airlines Logo
11:15 - 07:30STL  Lambert-St Louis-SNN Shannon
14h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
12:30 - 23:38SNN  Shannon-STL Lambert-St Louis
17h 08m1 stop Newark
€676United Airlines
Tue, 8 Sep - Tue, 15 Sep
United Airlines Logo
18:10 - 10:15ORD  Chicago O'Hare Intl-SNN Shannon
10h 05m1 stop Newark
United Airlines Logo
09:30 - 11:50SNN  Shannon-ORD Chicago O'Hare Intl
8h 20mdirect
€677United Airlines
Mon, 7 Sep - Wed, 16 Sep
United Airlines Logo
09:00 - 10:15STL  Lambert-St Louis-SNN Shannon
19h 15m2 stops Denver Intl Newark
United Airlines Logo
12:30 - 23:38SNN  Shannon-STL Lambert-St Louis
17h 08m1 stop Newark
€680United Airlines
Tue, 8 Sep - Tue, 15 Sep
Delta Logo
09:24 - 11:10MDW  Chicago Midway-SNN Shannon
19h 46m2 stops Detroit Metropolitan Wayne County New York LaGuardia
Delta Logo
13:05 - 09:49SNN  Shannon-MDW Chicago Midway
26h 44m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
€682Delta
Mon, 7 Sep - Wed, 16 Sep
Delta Logo
14:50 - 11:10ORD  Chicago O'Hare Intl-SNN Shannon
14h 20m1 stop New York LaGuardia
Delta Logo
13:05 - 12:59SNN  Shannon-ORD Chicago O'Hare Intl
29h 54m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County
€682Delta
Mon, 7 Sep - Wed, 16 Sep

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Air France flights from Illinois to Shannon, Clare

Our best Air France deals on Illinois to Shannon, Clare flight tickets
Air France
10 Sept
ORD18:00Chicago O'Hare Intl
11h 10m
1 stop
SNN11:10Shannon
16 Sept
SNN13:05Shannon
14h 32m
1 stop
ORD21:37Chicago O'Hare Intl
€734
Air France
7 Sept
ORD18:00Chicago O'Hare Intl
11h 10m
1 stop
SNN11:10Shannon
14 Sept
SNN13:05Shannon
33h 54m
2 stops
ORD16:59Chicago O'Hare Intl
€739
Air France
16 Aug
ORD09:54Chicago O'Hare Intl
19h 16m
2 stops
SNN11:10Shannon
26 Aug
SNN13:05Shannon
16h 52m
2 stops
ORD23:57Chicago O'Hare Intl
€879

Lufthansa flights from Illinois to Shannon, Clare

Our best Lufthansa deals on Illinois to Shannon, Clare flight tickets
Lufthansa
10 Sept
STL09:40Lambert-St Louis
15h 50m
1 stop
SNN07:30Shannon
17 Sept
SNN09:30Shannon
16h 30m
1 stop
STL20:00Lambert-St Louis
€761
Lufthansa
24 Sept
STL12:20Lambert-St Louis
15h 55m
1 stop
SNN10:15Shannon
1 Oct
SNN12:30Shannon
14h 39m
1 stop
STL21:09Lambert-St Louis
€908
Lufthansa
27 Aug
ORD18:05Chicago O'Hare Intl
7h 25m
SNN07:30Shannon
3 Sept
SNN09:30Shannon
8h 20m
ORD11:50Chicago O'Hare Intl
€928

momondo Fare Finder

 
Customise your flight search to find flights from Illinois to Shannon, Clare 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 14 August 2026.
Use the filters below to find and compare flights from Illinois to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoShannon

ORD Chicago O'Hare Intl - SNN Shannon

ORDSNN

Chicago O'Hare Intl

Mon 21/9

18:05-07:30

Nonstop7h 25m

Shannon

Tue 29/9

12:30-23:21

1 stop16h 51m

€654

ChicagoShannon

ORD Chicago O'Hare Intl - SNN Shannon

ORDSNN

Chicago O'Hare Intl

Mon 28/9

18:00-10:15

1 stop10h 15m

Shannon

Fri 16/10

12:30-20:13

1 stop13h 43m

€657

ChicagoShannon

ORD Chicago O'Hare Intl - SNN Shannon

ORDSNN

Chicago O'Hare Intl

Sun 11/10

12:55-10:15

2 stops15h 20m

Shannon

Thu 22/10

12:30-07:25

2 stops24h 55m

€661

ChicagoShannon

ORD Chicago O'Hare Intl - SNN Shannon

ORDSNN

Chicago O'Hare Intl

Sat 3/10

21:35-10:15

1 stop30h 40m

Shannon

Thu 15/10

12:30-18:39

1 stop12h 09m

€662
Fastest return journey

ChicagoShannon

ORD Chicago O'Hare Intl - SNN Shannon

ORDSNN

Chicago O'Hare Intl

Wed 9/9

18:05-07:30

Nonstop7h 25m

Shannon

Thu 17/9

09:30-11:50

Nonstop8h 20m

€675

St. LouisShannon

STL Lambert-St Louis - SNN Shannon

STLSNN

Lambert-St Louis

Tue 8/9

11:15-07:30

1 stop14h 15m

Shannon

Tue 15/9

12:30-23:38

1 stop17h 08m

€676

ChicagoShannon

ORD Chicago O'Hare Intl - SNN Shannon

ORDSNN

Chicago O'Hare Intl

Mon 7/9

18:10-10:15

1 stop10h 05m

Shannon

Wed 16/9

09:30-11:50

Nonstop8h 20m

€676

St. LouisShannon

STL Lambert-St Louis - SNN Shannon

STLSNN

Lambert-St Louis

Tue 8/9

09:00-10:15

2 stops19h 15m

Shannon

Tue 15/9

12:30-23:38

1 stop17h 08m

€680

ChicagoShannon

MDW Chicago Midway - SNN Shannon

MDWSNN

Chicago Midway

Mon 7/9

09:24-11:10

2 stops19h 46m

Shannon

Wed 16/9

13:05-09:49

2 stops26h 44m

€682

ChicagoShannon

ORD Chicago O'Hare Intl - SNN Shannon

ORDSNN

Chicago O'Hare Intl

Mon 7/9

14:50-11:10

1 stop14h 20m

Shannon

Wed 16/9

13:05-12:59

2 stops29h 54m

€682

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Shannon from

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

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 month to fly to Shannon, Clare?

The month of February is another great option to travel to Shannon, Clare, with average flight prices from Illinois averaging around €539.

What is the cheapest Illinois to Shannon flight route?

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

How far in advance should I book a flight from Illinois to Shannon, Clare?

You are more likely to see cheaper flights to Shannon, Clare from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Shannon, Clare for around €765 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon, Clare from Illinois for as low as €592 on momondo.

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

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

Cheap Illinois to Shannon, Clare flight deals and tips

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

Fastest flight time

7h 25m

Direct flights

Every day

Airports in Shannon, Clare

1 airport
The fastest flight from Illinois to Shannon, Clare takes 7h 25m
Direct flights go from Illinois to Shannon, Clare every day.
There is 1 airport in Shannon, Clare. From Illinois there are direct flights to Shannon (SNN).
Search flight deals

Frequently asked questions about flying from Illinois to Shannon, Clare

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

    Prices for flights from Illinois to Shannon Airport are refreshed on a daily basis.

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

    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 Illinois to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The necessary travel and health documents for your Shannon Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Tipperary
Killaloe
Lahinch
Nenagh
Adare
Bunratty

Why use momondo?

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

Finding the right flight to Shannon from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Shannon quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Shannon from Illinois with this policy.

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

Once you have performed a search for Illinois to Shannon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Shannon from Illinois 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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