How does KAYAK find such low prices on flights from Illinois to Shannon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Shannon. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Shannon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Shannon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Shannon with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Shannon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$261 CHEAP FLIGHTS from Illinois to Shannon

SNN

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Flight Deals

Cheap Flights from Illinois to Shannon

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Shannon

Tue, Oct 28 - Tue, Nov 4

2:15 pm - 11:30 amSTL-SNN

16h 15m2 stops

7:50 am - 11:07 pmSNN-STL

21h 17m2 stops

$519American Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

4:00 pm - 10:15 amORD-SNN

12h 15m1 stop

12:30 pm - 6:34 pmSNN-ORD

12h 04m1 stop

$529United Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

4:00 pm - 10:15 amORD-SNN

12h 15m1 stop

12:30 pm - 8:15 pmSNN-ORD

13h 45m2 stops

$534United Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

7:25 pm - 11:30 amORD-SNN

11h 05m1 stop

7:50 am - 6:45 pmSNN-ORD

16h 55m1 stop

$535American Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 5

12:50 pm - 11:30 amORD-SNN

17h 40m2 stops

7:50 am - 8:00 pmSNN-ORD

18h 10m2 stops

$670Air Canada

Find Deal

Tue, Oct 28 - Tue, Nov 4

10:00 am - 10:15 pmORD-SNN

31h 15m3 stops

3:00 pm - 8:00 pmSNN-ORD

35h 00m3 stops

$677

Find Deal

Tue, Oct 28 - Tue, Nov 4

4:33 pm - 4:45 pmSTL-SNN

19h 12m2 stops

2:45 pm - 10:10 amSNN-STL

25h 25m1 stop

$678

Find Deal

Sun, Nov 30 - Mon, Dec 15

6:00 am - 11:30 amSTL-SNN

23h 30m2 stops

5:30 pm - 4:50 pmSNN-STL

29h 20m2 stops

$731British Airways

Find Deal

Wed, Oct 1 - Wed, Oct 8

8:40 am - 11:20 amORD-SNN

20h 40m2 stops

9:15 pm - 8:17 pmSNN-ORD

29h 02m2 stops

$754Air Canada

Find Deal

Sun, Oct 12 - Sun, Oct 19

9:15 pm - 8:35 pmORD-SNN

17h 20m2 stops

9:15 pm - 1:50 pmSNN-ORD

22h 35m1 stop

$811Aer Lingus

Find Deal

Cheapest round-trip

$519

American Airlines

Tue 10/28Tue 11/4

STL - SNN • 2 stops

Cheapest one-way

$261

Multiple Airlines

Sun 11/2

ORD - SNN • 2 stops

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Shannon!

Useful Info

Low season	January
High season	August
Cheapest flight	$261

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly and prices are also 4% lower on average.

Flight from Chicago O'Hare Airport to Shannon

How does KAYAK find such low prices on flights from Illinois to Shannon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Shannon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Shannon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Shannon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Shannon with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Shannon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lahinch

Nenagh

Killaloe

Everything you need to know for your flight to Shannon

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Shannon

Shannon (SNN)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SNN

$261 Find Cheap Flights from Illinois to Shannon

KAYAK searches hundreds of travel sites at once for deals on flights to Shannon

Cheap Flights from Illinois to Shannon

Recent round-trip flight deals from Illinois to Shannon

Recent one-way flight deals from Illinois to Shannon

Recent last minute flight deals from Illinois to Shannon

Everything you should know

Good to know

FAQs for booking flights from Illinois to Shannon

How does KAYAK find such low prices on flights from Illinois to Shannon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Shannon.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Shannon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Shannon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Shannon with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Shannon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Shannon?

Everything you need to know for your flight to Shannon

Information on the airport you'll fly into in Shannon

Cabin class types available on flights to Illinois

Complete your trip to Shannon with a hotel stay or car rental

Find direct flights for Shannon

Flights to other popular destinations

Flights from domestic origins to Shannon

Choose which airport to fly into in Shannon

Find deals for your return flight