How many flights depart from Illinois to Shannon, Clare on average per week?

As of August 2025, there are 7 flights per week flying from Illinois to Shannon, Clare. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

What is the cheapest airline that flies from Illinois to Shannon?

JetBlue, Aer Lingus, and American Airlines are the most popular carriers operating from Illinois to Shannon

How many flights depart from Illinois to Shannon, Clare on average per day?

As of August 2025, there are 1 flights per day flying from Illinois to Shannon, Clare. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

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?

As of August 2025, there are 2 operators available to choose from 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.

$279 Cheap Flights from Illinois to Shannon in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Shannon

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:35 pm - 4:10 pmORD-SNN

11h 35m1 stop

9:15 pm - 2:50 pmSNN-ORD

23h 35m1 stop

$610American Airlines

Find Deal

Sun, Sep 14 - Mon, Sep 22

9:17 am - 7:30 amSTL-SNN

16h 13m1 stop

9:30 am - 6:23 pmSNN-STL

14h 53m1 stop

$641United Airlines

Find Deal

Mon, Sep 1 - Thu, Sep 11

2:00 pm - 8:35 pmORD-SNN

24h 35m2 stops

9:15 pm - 3:55 pmSNN-ORD

24h 40m2 stops

$674

Find Deal

Tue, Oct 14 - Wed, Oct 22

6:40 am - 11:10 amSTL-SNN

22h 30m2 stops

1:05 pm - 9:15 amSNN-STL

26h 10m2 stops

$675Delta

Find Deal

Mon, Sep 1 - Tue, Sep 9

8:40 am - 11:20 amORD-SNN

20h 40m2 stops

9:15 pm - 3:55 pmSNN-ORD

24h 40m2 stops

$693

Find Deal

Sun, Sep 14 - Mon, Sep 22

6:40 am - 11:10 amSTL-SNN

22h 30m2 stops

1:05 pm - 9:15 amSNN-STL

26h 10m2 stops

$735Delta

Find Deal

Mon, Sep 1 - Mon, Sep 8

1:30 pm - 11:20 amSTL-SNN

15h 50m2 stops

7:40 am - 7:57 pmSNN-STL

18h 17m2 stops

$838Air Canada

Find Deal

Sun, Sep 14 - Tue, Sep 23

3:56 pm - 8:35 pmSTL-SNN

22h 39m2 stops

9:15 pm - 11:48 pmSNN-STL

32h 33m2 stops

$905British Airways

Find Deal

Sun, Sep 14 - Wed, Sep 24

3:56 pm - 4:10 pmSTL-SNN

18h 14m2 stops

7:40 am - 8:25 pmSNN-STL

18h 45m2 stops

$936British Airways

Find Deal

Sun, Sep 14 - Sun, Sep 21

4:05 pm - 4:10 pmSTL-SNN

18h 05m2 stops

9:15 pm - 7:57 pmSNN-STL

28h 42m2 stops

$987Air Canada

Find Deal

Wed, Sep 3 - Mon, Sep 8

Air Canada flights from Illinois to Shannon, Clare

Our best Air Canada deals on Illinois to Shannon, Clare flight tickets

Air Canada

Sep 14

STL1:30 pmLambert-St Louis

15h 50m

2 stops

SNN11:20 amShannon

Sep 23

SNN7:40 amShannon

18h 17m

2 stops

STL7:57 pmLambert-St Louis

$838

Find similar

Air Canada

Sep 3

STL4:05 pmLambert-St Louis

18h 05m

2 stops

SNN4:10 pmShannon

Sep 8

SNN9:15 pmShannon

28h 42m

2 stops

STL7:57 pmLambert-St Louis

$987

Find similar

Air Canada

Sep 15

STL1:30 pmLambert-St Louis

20h 40m

2 stops

SNN4:10 pmShannon

Sep 22

SNN7:40 amShannon

19h 52m

3 stops

STL9:32 pmLambert-St Louis

$1,041

Find similar

British Airways flights from Illinois to Shannon, Clare

Our best British Airways deals on Illinois to Shannon, Clare flight tickets

British Airways

Sep 14

STL3:56 pmLambert-St Louis

22h 39m

2 stops

SNN8:35 pmShannon

Sep 24

SNN9:15 pmShannon

32h 33m

2 stops

STL11:48 pmLambert-St Louis

$905

Find similar

British Airways

Sep 14

STL3:56 pmLambert-St Louis

18h 14m

2 stops

SNN4:10 pmShannon

Sep 21

SNN7:40 amShannon

18h 45m

2 stops

STL8:25 pmLambert-St Louis

$936

Find similar

British Airways

Sep 13

STL2:11 pmLambert-St Louis

15h 09m

2 stops

SNN11:20 amShannon

Sep 22

SNN9:15 pmShannon

24h 22m

2 stops

STL3:37 pmLambert-St Louis

$955

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 9/14

10:35 pm-4:10 pm

1 stop11h 35m

Shannon

Mon 9/22

9:15 pm-2:50 pm

1 stop23h 35m

$610

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Mon 9/1

9:17 am-7:30 am

1 stop16h 13m

Shannon

Thu 9/11

9:30 am-6:23 pm

1 stop14h 53m

$641

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 10/14

2:00 pm-8:35 pm

2 stops24h 35m

Shannon

Wed 10/22

9:15 pm-3:55 pm

2 stops24h 40m

$674

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Mon 9/1

6:40 am-11:10 am

2 stops22h 30m

Shannon

Tue 9/9

1:05 pm-9:15 am

2 stops26h 10m

$675

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 9/14

8:40 am-11:20 am

2 stops20h 40m

Shannon

Mon 9/22

9:15 pm-3:55 pm

2 stops24h 40m

$693

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Mon 9/1

6:40 am-11:10 am

2 stops22h 30m

Shannon

Mon 9/8

1:05 pm-9:15 am

2 stops26h 10m

$735

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 9/14

1:30 pm-11:20 am

2 stops15h 50m

Shannon

Tue 9/23

7:40 am-7:57 pm

2 stops18h 17m

$838

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 9/14

3:56 pm-8:35 pm

2 stops22h 39m

Shannon

Wed 9/24

9:15 pm-11:48 pm

2 stops32h 33m

$905

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 9/14

3:56 pm-4:10 pm

2 stops18h 14m

Shannon

Sun 9/21

7:40 am-8:25 pm

2 stops18h 45m

$936

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Wed 9/3

4:05 pm-4:10 pm

2 stops18h 05m

Shannon

Mon 9/8

9:15 pm-7:57 pm

2 stops28h 42m

$987

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Shannon, Clare?

In general, January 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 $584. If you are unable to visit Shannon, Clare during the month of January, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $597.

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 Monday when prices can be found for as low as $726. The most expensive day to fly to Shannon, Clare is Friday, with ticket prices averaging around $920.

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

Our data shows that the cheapest Illinois to Shannon, Clare flights are usually those with departure times in the evening. Our users have found flights to Shannon, Clare in the evening for as low as $785. Flights in the morning are often more expensive with an average ticket price of $920.

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 $767 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.

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

There are 3 cabin classes 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.

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

You could potentially save up to 10% 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	$279
Fastest flight time	7h 25m
Direct flights	Every day
Airports in Shannon, Clare	1 airport

The best one-way flight to Shannon, Clare from Illinois in the past 72 hours is $279. The best round-trip flight deal from Illinois to Shannon, Clare found on momondo in the last 72 hours is $610.

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 near Shannon, Clare: 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 refresh daily.
How many operators does momondo search for flights from Illinois to Shannon Airport?
As of August 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Illinois and Shannon, Clare, the leading plane model is Boeing 757-200, making up 85.61% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 3.79%, Airbus A330-300 with 3.03%, and Airbus A321-100/200 with 1.52%.

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 Airlines	PriceFrom $511	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 8,916 reviews		Search United Airlines flights

Limerick

Adare

Ennis

Bunratty

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.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organize 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

Thu 8/21

Thu 8/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Airports servicing Ireland

Cheap flights from Illinois to Shannon from $279

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 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Shannon

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Air Canada flights from Illinois to Shannon, Clare

Our best Air Canada deals on Illinois to Shannon, Clare flight tickets

British Airways flights from Illinois to Shannon, Clare

Our best British Airways deals on Illinois to Shannon, Clare flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Shannon, Clare that are best for you.

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?

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 Monday when prices can be found for as low as $726. The most expensive day to fly to Shannon, Clare is Friday, with ticket prices averaging around $920.

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

Our data shows that the cheapest Illinois to Shannon, Clare flights are usually those with departure times in the evening. Our users have found flights to Shannon, Clare in the evening for as low as $785. Flights in the morning are often more expensive with an average ticket price of $920.

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?

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

There are 3 cabin classes 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.

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

You could potentially save up to 10% on your flight if you consider stops on a Illinois to Shannon, Clare flight.

What is the cheapest airline that flies from Illinois to Shannon?

JetBlue, Aer Lingus, and American Airlines are the most popular carriers operating from Illinois to Shannon

How many flights depart from Illinois to Shannon, Clare on average per day?

As of August 2025, there are 1 flights per day flying from Illinois to Shannon, Clare. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

How many flights depart from Illinois to Shannon, Clare on average per week?

As of August 2025, there are 7 flights per week flying from Illinois to Shannon, Clare. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in Shannon, Clare

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

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?

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

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

Traveling to a place near Shannon?

Why use momondo?

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

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

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

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

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland