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Cheap flights from Illinois to Shannon from €269

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 8/3. 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
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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
15:35 - 10:15
ORD
-
SNN
12h 40m
1 stop
United Airlines Logo
12:30 - 18:21
SNN
-
ORD
11h 51m
1 stop
€415United Airlines
Sun, 19 Apr - Fri, 8 May
United Airlines Logo
11:15 - 10:15
ORD
-
SNN
17h 00m
2 stops
United Airlines Logo
12:30 - 23:44
SNN
-
ORD
17h 14m
2 stops
€419United Airlines
Sun, 19 Apr - Thu, 7 May
Lufthansa Logo
17:24 - 10:15
STL
-
SNN
10h 51m
1 stop
Lufthansa Logo
12:00 - 13:25
SNN
-
STL
31h 25m
1 stop
€498Lufthansa
Mon, 27 Apr - Sat, 9 May
Lufthansa Logo
16:05 - 11:15
ORD
-
SNN
13h 10m
1 stop
Lufthansa Logo
12:00 - 19:55
SNN
-
ORD
13h 55m
1 stop
€535Lufthansa
Fri, 24 Apr - Sat, 2 May
Air Canada Logo
16:05 - 11:30
STL
-
SNN
37h 25m
2 stops
Air Canada Logo
07:50 - 15:29
SNN
-
STL
37h 39m
2 stops
€584Air Canada
Wed, 25 Feb - Sun, 1 Mar
Air Canada Logo
16:05 - 16:45
STL
-
SNN
18h 40m
2 stops
Air Canada Logo
07:50 - 15:29
SNN
-
STL
37h 39m
2 stops
€585Air Canada
Wed, 25 Feb - Sun, 1 Mar
Multiple Airlines Logo
13:00 - 20:35
STL
-
SNN
25h 35m
2 stops
Multiple Airlines Logo
07:30 - 20:05
SNN
-
STL
18h 35m
2 stops
€597Multiple Airlines
Wed, 6 May - Wed, 3 Jun
British Airways Logo
18:57 - 16:45
STL
-
SNN
16h 48m
2 stops
British Airways Logo
13:45 - 08:38
SNN
-
STL
24h 53m
2 stops
€606British Airways
Wed, 25 Mar - Sat, 4 Apr
British Airways Logo
14:12 - 11:20
STL
-
SNN
15h 08m
2 stops
British Airways Logo
07:30 - 19:30
SNN
-
STL
18h 00m
1 stop
€616British Airways
Wed, 6 May - Wed, 3 Jun
Multiple Airlines Logo
07:30 - 05:55
MDW
-
SNN
17h 25m
1 stop
Multiple Airlines Logo
07:30 - 10:05
SNN
-
MDW
32h 35m
2 stops
€1,029Multiple Airlines
Thu, 26 Mar - Sat, 4 Apr

Air Canada flights from Illinois to Shannon, Clare

Our best Air Canada deals on Illinois to Shannon, Clare flight tickets
Air Canada
30 Mar
ORD15:35Chicago O'Hare Intl
18h 35m
2 stops
SNN16:10Shannon
8 Apr
SNN07:30Shannon
18h 35m
2 stops
ORD20:05Chicago O'Hare Intl
€542
Air Canada
30 Mar
ORD13:55Chicago O'Hare Intl
15h 25m
2 stops
SNN11:20Shannon
8 Apr
SNN12:30Shannon
11h 55m
1 stop
ORD18:25Chicago O'Hare Intl
€565
Air Canada
19 Apr
ORD12:50Chicago O'Hare Intl
16h 30m
2 stops
SNN11:20Shannon
7 May
SNN07:30Shannon
18h 38m
2 stops
ORD20:08Chicago O'Hare Intl
€577

United Airlines flights from Illinois to Shannon, Clare

Our best United Airlines deals on Illinois to Shannon, Clare flight tickets
United Airlines
19 Apr
ORD15:35Chicago O'Hare Intl
12h 40m
1 stop
SNN10:15Shannon
5 May
SNN12:30Shannon
13h 48m
1 stop
ORD20:18Chicago O'Hare Intl
€415
United Airlines
19 Apr
ORD08:45Chicago O'Hare Intl
19h 30m
2 stops
SNN10:15Shannon
5 May
SNN12:30Shannon
12h 52m
2 stops
ORD19:22Chicago O'Hare Intl
€419
United Airlines
21 Apr
ORD15:35Chicago O'Hare Intl
12h 40m
1 stop
SNN10:15Shannon
5 May
SNN12:30Shannon
13h 48m
1 stop
ORD20:18Chicago O'Hare Intl
€457

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 5 February 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

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 19/4

15:35-10:15

1 stop12h 40m

Shannon

Fri 8/5

12:30-18:21

1 stop11h 51m

€415

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 19/4

11:15-10:15

2 stops17h 00m

Shannon

Thu 7/5

12:30-23:44

2 stops17h 14m

€419

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Mon 27/4

17:24-10:15

1 stop10h 51m

Shannon

Sat 9/5

12:00-13:25

1 stop31h 25m

€498

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Fri 24/4

16:05-11:15

1 stop13h 10m

Shannon

Sat 2/5

12:00-19:55

1 stop13h 55m

€535

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 25/2

16:05-11:30

2 stops37h 25m

Shannon

Sun 1/3

07:50-15:29

2 stops37h 39m

€584

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 25/2

16:05-16:45

2 stops18h 40m

Shannon

Sun 1/3

07:50-15:29

2 stops37h 39m

€585

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 6/5

13:00-20:35

2 stops25h 35m

Shannon

Wed 3/6

07:30-20:05

2 stops18h 35m

€597

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 25/3

18:57-16:45

2 stops16h 48m

Shannon

Sat 4/4

13:45-08:38

2 stops24h 53m

€606

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 6/5

14:12-11:20

2 stops15h 08m

Shannon

Wed 3/6

07:30-19:30

1 stop18h 00m

€616

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Thu 26/3

07:30-05:55

1 stop17h 25m

Shannon

Sat 4/4

07:30-10:05

2 stops32h 35m

€1,029

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 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 €705 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 €594 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
Nenagh
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.

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