Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Illinois to Shannon from €227

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 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to Shannon

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
16:55 - 16:10ORD-SNN
17h 15m1 stop
American Airlines Logo
21:15 - 13:50SNN-ORD
22h 35m1 stop
€407American Airlines
Find Deal
Mon, 27 Apr - Wed, 6 May
American Airlines Logo
20:40 - 16:45ORD-SNN
14h 05m1 stop
American Airlines Logo
07:50 - 19:41SNN-ORD
17h 51m2 stops
€415American Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
United Airlines Logo
15:45 - 10:15ORD-SNN
12h 30m1 stop
United Airlines Logo
12:30 - 20:22SNN-ORD
13h 52m1 stop
€422United Airlines
Find Deal
Tue, 21 Apr - Tue, 5 May
United Airlines Logo
15:00 - 10:15ORD-SNN
13h 15m2 stops
United Airlines Logo
12:30 - 20:11SNN-ORD
13h 41m2 stops
€426United Airlines
Find Deal
Tue, 21 Apr - Wed, 29 Apr
Multiple Airlines Logo
21:30 - 10:15ORD-SNN
30h 45m1 stop
Multiple Airlines Logo
12:00 - 12:55SNN-ORD
30h 55m1 stop
€473Multiple Airlines
Find Deal
Sat, 11 Apr - Sat, 18 Apr
Multiple Airlines Logo
15:00 - 10:15ORD-SNN
13h 15m2 stops
Multiple Airlines Logo
12:00 - 19:55SNN-ORD
13h 55m1 stop
€493Multiple Airlines
Find Deal
Sat, 11 Apr - Sat, 18 Apr
Lufthansa Logo
21:15 - 11:15ORD-SNN
32h 00m2 stops
Lufthansa Logo
12:00 - 19:55SNN-ORD
13h 55m1 stop
€516Lufthansa
Find Deal
Thu, 23 Apr - Sat, 2 May
Lufthansa Logo
16:05 - 11:15ORD-SNN
13h 10m1 stop
Lufthansa Logo
12:00 - 12:55SNN-ORD
30h 55m1 stop
€535Lufthansa
Find Deal
Fri, 24 Apr - Sat, 2 May
British Airways Logo
18:35 - 16:45ORD-SNN
16h 10m2 stops
British Airways Logo
07:50 - 17:55SNN-ORD
16h 05m2 stops
€570British Airways
Find Deal
Tue, 11 Nov - Tue, 18 Nov
British Airways Logo
20:40 - 19:25ORD-SNN
16h 45m1 stop
British Airways Logo
20:05 - 15:25SNN-ORD
25h 20m1 stop
€582British Airways
Find Deal
Tue, 11 Nov - Mon, 17 Nov

American Airlines flights from Illinois to Shannon, Clare

Our best American Airlines deals on Illinois to Shannon, Clare flight tickets
American Airlines
10 Nov
ORD18:30Chicago O'Hare Intl
11h 00m
1 stop
SNN11:30Shannon
18 Nov
SNN07:50Shannon
13h 35m
1 stop
ORD15:25Chicago O'Hare Intl
€405
Find similar
American Airlines
27 Apr
ORD16:55Chicago O'Hare Intl
17h 15m
1 stop
SNN16:10Shannon
6 May
SNN21:15Shannon
22h 35m
1 stop
ORD13:50Chicago O'Hare Intl
€407
Find similar
American Airlines
11 Nov
ORD20:40Chicago O'Hare Intl
14h 05m
1 stop
SNN16:45Shannon
18 Nov
SNN07:50Shannon
17h 51m
2 stops
ORD19:41Chicago O'Hare Intl
€415
Find similar

United Airlines flights from Illinois to Shannon, Clare

Our best United Airlines deals on Illinois to Shannon, Clare flight tickets
United Airlines
21 Apr
ORD15:45Chicago O'Hare Intl
12h 30m
1 stop
SNN10:15Shannon
5 May
SNN12:30Shannon
13h 52m
1 stop
ORD20:22Chicago O'Hare Intl
€422
Find similar
United Airlines
21 Apr
ORD15:00Chicago O'Hare Intl
13h 15m
2 stops
SNN10:15Shannon
29 Apr
SNN12:30Shannon
13h 41m
2 stops
ORD20:11Chicago O'Hare Intl
€426
Find similar
United Airlines
7 Apr
STL17:20Lambert-St Louis
10h 55m
1 stop
SNN10:15Shannon
21 Apr
SNN12:30Shannon
13h 18m
1 stop
STL19:48Lambert-St Louis
€464
Find similar

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 1 November 2025.
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

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 27/4

16:55-16:10

1 stop17h 15m

Shannon

Wed 6/5

21:15-13:50

1 stop22h 35m

€407

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 11/11

20:40-16:45

1 stop14h 05m

Shannon

Tue 18/11

07:50-19:41

2 stops17h 51m

€415

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 21/4

15:45-10:15

1 stop12h 30m

Shannon

Tue 5/5

12:30-20:22

1 stop13h 52m

€422

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 21/4

15:00-10:15

2 stops13h 15m

Shannon

Wed 29/4

12:30-20:11

2 stops13h 41m

€426

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sat 11/4

21:30-10:15

1 stop30h 45m

Shannon

Sat 18/4

12:00-12:55

1 stop30h 55m

€473

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sat 11/4

15:00-10:15

2 stops13h 15m

Shannon

Sat 18/4

12:00-19:55

1 stop13h 55m

€493

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Thu 23/4

21:15-11:15

2 stops32h 00m

Shannon

Sat 2/5

12:00-19:55

1 stop13h 55m

€516

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Fri 24/4

16:05-11:15

1 stop13h 10m

Shannon

Sat 2/5

12:00-12:55

1 stop30h 55m

€535

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 11/11

18:35-16:45

2 stops16h 10m

Shannon

Tue 18/11

07:50-17:55

2 stops16h 05m

€570

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 11/11

20:40-19:25

1 stop16h 45m

Shannon

Mon 17/11

20:05-15:25

1 stop25h 20m

€582

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 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 €545.

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 €689 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 €598 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

Direct flights

None
There are no direct flights from Illinois to Shannon, Clare. There are no popular flight routes from Illinois to Shannon, Clare.
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
Nenagh
Tipperary
Adare
Killaloe
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.

An easier way to manage your Shannon, Clare 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 1/12
Mon 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland