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Cheap flights from Illinois to Shannon from $329

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 9/15. 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 round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:05 pm - 7:30 am
ORD
-
SNN
7h 25mnonstop
United Airlines Logo
9:30 am - 11:50 am
SNN
-
ORD
8h 20mnonstop
$694United Airlines
Wed, Sep 9 - Thu, Sep 17
United Airlines Logo
8:40 am - 10:15 am
ORD
-
SNN
19h 35m
1 stop
United Airlines Logo
9:30 am - 11:50 am
SNN
-
ORD
8h 20mnonstop
$698United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
4:00 pm - 10:15 am
ORD
-
SNN
12h 15m
2 stops
United Airlines Logo
9:30 am - 11:50 am
SNN
-
ORD
8h 20mnonstop
$703United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
6:05 pm - 7:30 am
ORD
-
SNN
7h 25mnonstop
United Airlines Logo
12:30 pm - 11:16 pm
SNN
-
ORD
16h 46m
1 stop
$704United Airlines
Wed, Sep 9 - Thu, Sep 17
Delta Logo
10:40 am - 11:10 am
ORD
-
SNN
18h 30m
1 stop
Delta Logo
1:05 pm - 9:36 pm
SNN
-
ORD
14h 31m
1 stop
$708Delta
Wed, Sep 9 - Thu, Sep 17
Delta Logo
11:30 am - 11:10 am
ORD
-
SNN
17h 40m
2 stops
Delta Logo
1:05 pm - 11:57 pm
SNN
-
ORD
16h 52m
2 stops
$713Delta
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
12:46 pm - 11:10 am
MDW
-
SNN
16h 24m
2 stops
Multiple Airlines Logo
1:05 pm - 3:38 pm
SNN
-
MDW
32h 33m
2 stops
$784Multiple Airlines
Wed, Aug 12 - Fri, Aug 21
KLM Logo
1:05 pm - 11:10 am
MDW
-
SNN
16h 05m
2 stops
KLM Logo
1:05 pm - 3:27 pm
SNN
-
MDW
32h 22m
2 stops
$863KLM
Tue, Sep 1 - Thu, Sep 10
KLM Logo
12:53 pm - 11:10 am
MDW
-
SNN
16h 17m
2 stops
KLM Logo
1:05 pm - 4:16 pm
SNN
-
MDW
33h 11m
2 stops
$921KLM
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
12:46 pm - 11:10 am
MDW
-
SNN
16h 24m
2 stops
Multiple Airlines Logo
1:05 pm - 4:27 pm
SNN
-
MDW
33h 22m
2 stops
$974Multiple Airlines
Wed, Aug 5 - Mon, Aug 31

United Airlines flights from Illinois to Shannon, Clare

Our best United Airlines deals on Illinois to Shannon, Clare flight tickets
United Airlines
Sep 9
ORD6:05 pmChicago O'Hare Intl
7h 25m
SNN7:30 amShannon
Sep 17
SNN9:30 amShannon
8h 20m
ORD11:50 amChicago O'Hare Intl
$694
United Airlines
Sep 1
ORD8:40 amChicago O'Hare Intl
19h 35m
1 stop
SNN10:15 amShannon
Sep 8
SNN9:30 amShannon
8h 20m
ORD11:50 amChicago O'Hare Intl
$698
United Airlines
Sep 1
ORD4:00 pmChicago O'Hare Intl
12h 15m
2 stops
SNN10:15 amShannon
Sep 8
SNN9:30 amShannon
8h 20m
ORD11:50 amChicago O'Hare Intl
$703

Delta flights from Illinois to Shannon, Clare

Our best Delta deals on Illinois to Shannon, Clare flight tickets
Delta
Sep 9
ORD10:40 amChicago O'Hare Intl
18h 30m
1 stop
SNN11:10 amShannon
Sep 17
SNN1:05 pmShannon
14h 31m
1 stop
ORD9:36 pmChicago O'Hare Intl
$708
Delta
Sep 1
ORD11:30 amChicago O'Hare Intl
17h 40m
2 stops
SNN11:10 amShannon
Sep 8
SNN1:05 pmShannon
16h 52m
2 stops
ORD11:57 pmChicago O'Hare Intl
$713
Delta
Sep 4
ORD1:30 pmChicago O'Hare Intl
15h 40m
1 stop
SNN11:10 amShannon
Sep 11
SNN1:05 pmShannon
14h 31m
1 stop
ORD9:36 pmChicago O'Hare Intl
$758

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 10, 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 round-trip
Quickest round-trip

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/9

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Thu 9/17

9:30 am-11:50 am

Nonstop8h 20m

$694

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 9/1

8:40 am-10:15 am

1 stop19h 35m

Shannon

Tue 9/8

9:30 am-11:50 am

Nonstop8h 20m

$698

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 9/1

4:00 pm-10:15 am

2 stops12h 15m

Shannon

Tue 9/8

9:30 am-11:50 am

Nonstop8h 20m

$703

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/9

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Thu 9/17

12:30 pm-11:16 pm

1 stop16h 46m

$704

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/9

10:40 am-11:10 am

1 stop18h 30m

Shannon

Thu 9/17

1:05 pm-9:36 pm

1 stop14h 31m

$708

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 9/1

11:30 am-11:10 am

2 stops17h 40m

Shannon

Tue 9/8

1:05 pm-11:57 pm

2 stops16h 52m

$713

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Wed 8/12

12:46 pm-11:10 am

2 stops16h 24m

Shannon

Fri 8/21

1:05 pm-3:38 pm

2 stops32h 33m

$784

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Tue 9/1

1:05 pm-11:10 am

2 stops16h 05m

Shannon

Thu 9/10

1:05 pm-3:27 pm

2 stops32h 22m

$863

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Wed 6/3

12:53 pm-11:10 am

2 stops16h 17m

Shannon

Wed 6/10

1:05 pm-4:16 pm

2 stops33h 11m

$921

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Wed 8/5

12:46 pm-11:10 am

2 stops16h 24m

Shannon

Mon 8/31

1:05 pm-4:27 pm

2 stops33h 22m

$974

Flights are sorted by cheapest round-trip 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?

In general, August is the cheapest month to fly from Illinois to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $462. If you are unable to visit Shannon, Clare during the month of August, then departing from Illinois during the month April is also very affordable. Most momondo users find prices during this month for around $469.

What is the cheapest day to depart on your flight to Shannon, Clare?

The cheapest day to depart from Illinois to Shannon, Clare is on a Wednesday when prices can be found for as low as $774. The most expensive day to fly to Shannon, Clare is Friday, with ticket prices averaging around $923.

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 $850 when searching weeks out. 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 $663 on momondo.

Can stopping save me money on Illinois to Shannon, Clare flights?

You could potentially save up to 29% on your flight if you consider stops on a Illinois to Shannon, Clare flight.

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

Best Price Found

$900

Fastest flight time

7h 25m

Direct flights

Every day

Airports in Shannon, Clare

1 airport
The best flight deal from Illinois to Shannon, Clare found on momondo in the last 72 hours is $900
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 refresh daily.

  • How many operators does momondo search for flights from Illinois to Shannon Airport?

  • 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 layovers. 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 required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Illinois to Shannon, Clare

Compare and see reviews for airlines that fly from Illinois to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $469Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
United AirlinesPriceFrom $581Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
LufthansaPriceFrom $962Free CancellationRating
6.8
7,985 reviews
Search Lufthansa flights

Traveling to a place near Shannon?

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

Why use momondo?

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

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 Illinois to Shannon for you.

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

Yes. momondo allows you to filter the results for Illinois to Shannon flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Illinois and Shannon 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 Illinois to Shannon right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Shannon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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