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Cheap flights from Illinois to Shannon from €251

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 21/4. 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
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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 - 07:30
ORD
-
SNN
7h 25mdirect
United Airlines Logo
09:30 - 11:50
SNN
-
ORD
8h 20mdirect
€555United Airlines
Tue, 11 Aug - Wed, 26 Aug
United Airlines Logo
18:05 - 07:30
ORD
-
SNN
7h 25mdirect
United Airlines Logo
09:30 - 11:50
SNN
-
ORD
8h 20mdirect
€556United Airlines
Tue, 11 Aug - Wed, 26 Aug
United Airlines Logo
15:55 - 10:15
ORD
-
SNN
12h 20m
1 stop
United Airlines Logo
09:30 - 11:50
SNN
-
ORD
8h 20mdirect
€559United Airlines
Sat, 15 Aug - Sat, 29 Aug
Lufthansa Logo
16:05 - 10:10
ORD
-
SNN
12h 05m
1 stop
Lufthansa Logo
10:55 - 19:55
SNN
-
ORD
15h 00m
1 stop
€561Lufthansa
Wed, 2 Sep - Thu, 10 Sep
KLM Logo
16:13 - 11:10
STL
-
SNN
12h 57m
1 stop
KLM Logo
13:05 - 23:37
SNN
-
STL
16h 32m
2 stops
€571KLM
Sun, 16 Aug - Fri, 28 Aug
KLM Logo
16:13 - 11:10
STL
-
SNN
12h 57m
1 stop
KLM Logo
13:05 - 16:55
SNN
-
STL
33h 50m
1 stop
€572KLM
Sun, 16 Aug - Fri, 28 Aug
Multiple Airlines Logo
13:00 - 11:10
MDW
-
SNN
16h 10m
2 stops
Multiple Airlines Logo
13:05 - 21:46
SNN
-
MDW
14h 41m
2 stops
€795Multiple Airlines
Mon, 10 Aug - Fri, 28 Aug
Delta Logo
13:05 - 11:10
MDW
-
SNN
16h 05m
2 stops
Delta Logo
13:05 - 21:46
SNN
-
MDW
14h 41m
2 stops
€813Delta
Tue, 25 Aug - Wed, 2 Sep
Delta Logo
13:16 - 11:10
MDW
-
SNN
15h 54m
2 stops
Delta Logo
13:05 - 21:46
SNN
-
MDW
14h 41m
2 stops
€920Delta
Mon, 27 Jul - Wed, 12 Aug
Multiple Airlines Logo
13:00 - 11:10
MDW
-
SNN
16h 10m
2 stops
Multiple Airlines Logo
13:05 - 16:27
SNN
-
MDW
33h 22m
2 stops
€1,147Multiple Airlines
Wed, 19 Aug - Sun, 30 Aug

United Airlines flights from Illinois to Shannon, Clare

Our best United Airlines deals on Illinois to Shannon, Clare flight tickets
United Airlines
11 Aug
ORD18:05Chicago O'Hare Intl
7h 25m
SNN07:30Shannon
26 Aug
SNN09:30Shannon
8h 20m
ORD11:50Chicago O'Hare Intl
€555
United Airlines
11 Aug
ORD18:05Chicago O'Hare Intl
7h 25m
SNN07:30Shannon
26 Aug
SNN09:30Shannon
8h 20m
ORD11:50Chicago O'Hare Intl
€556
United Airlines
15 Aug
ORD15:55Chicago O'Hare Intl
12h 20m
1 stop
SNN10:15Shannon
29 Aug
SNN09:30Shannon
8h 20m
ORD11:50Chicago O'Hare Intl
€559

Air Canada flights from Illinois to Shannon, Clare

Our best Air Canada deals on Illinois to Shannon, Clare flight tickets
Air Canada
16 Aug
STL12:10Lambert-St Louis
22h 00m
2 stops
SNN16:10Shannon
28 Aug
SNN07:30Shannon
19h 52m
3 stops
STL21:22Lambert-St Louis
€744
Air Canada
15 Aug
STL12:10Lambert-St Louis
21h 55m
2 stops
SNN16:05Shannon
23 Aug
SNN07:30Shannon
36h 32m
2 stops
STL14:02Lambert-St Louis
€821
Air Canada
25 Mar
STL16:05Lambert-St Louis
19h 40m
2 stops
SNN16:45Shannon
4 Apr
SNN17:25Shannon
28h 00m
2 stops
STL15:25Lambert-St Louis
€825

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 25 March 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
Fastest return journey

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 11/8

18:05-07:30

Nonstop7h 25m

Shannon

Wed 26/8

09:30-11:50

Nonstop8h 20m

€555

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 11/8

18:05-07:30

Nonstop7h 25m

Shannon

Wed 26/8

09:30-11:50

Nonstop8h 20m

€556

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sat 15/8

15:55-10:15

1 stop12h 20m

Shannon

Sat 29/8

09:30-11:50

Nonstop8h 20m

€559

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 2/9

16:05-10:10

1 stop12h 05m

Shannon

Thu 10/9

10:55-19:55

1 stop15h 00m

€561

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 16/8

16:13-11:10

1 stop12h 57m

Shannon

Fri 28/8

13:05-23:37

2 stops16h 32m

€571

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 16/8

16:13-11:10

1 stop12h 57m

Shannon

Fri 28/8

13:05-16:55

1 stop33h 50m

€572

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Mon 10/8

13:00-11:10

2 stops16h 10m

Shannon

Fri 28/8

13:05-21:46

2 stops14h 41m

€795

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Tue 25/8

13:05-11:10

2 stops16h 05m

Shannon

Wed 2/9

13:05-21:46

2 stops14h 41m

€813

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Mon 27/7

13:16-11:10

2 stops15h 54m

Shannon

Wed 12/8

13:05-21:46

2 stops14h 41m

€920

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Wed 19/8

13:00-11:10

2 stops16h 10m

Shannon

Sun 30/8

13:05-16:27

2 stops33h 22m

€1,147

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 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 €738 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 €555 on momondo.

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

There is only 1 cabin class available to choose from on Illinois to Shannon 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

  • 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
Nenagh
Adare
Lahinch
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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