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 return 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>

€418 CHEAP FLIGHTS from Illinois to Shannon

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

...and more

In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here's why:

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Low season	January
High season	September
Cheapest flight	€418

Best time to beat the crowds (11% less expensive on average)

Most popular time to fly and prices are also 12% 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 return 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.

See more FAQs

Direct departures

Illinois to Shannon

Monday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Thursday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Friday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

See more direct flights

Direct returns

Shannon to Illinois

Monday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Thursday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

Friday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Saturday

Aer Lingus, Air Canada, American Airlines, +5 more

Aer Lingus, Air Canada, +6 more

Sunday

Aer Lingus, Air Canada, American Airlines, +4 more

Aer Lingus, Air Canada, +5 more

See more direct flights

Book cheap flights from Illinois to Shannon

Recent return flight deals

19/1Sun

1 stopAmerican Airlines

10h 55mORD-SNN

28/1Tue

1 stopAmerican Airlines

13h 00mSNN-ORD

€546

19/1Sun

2 stopsAmerican Airlines

13h 08mORD-SNN

28/1Tue

1 stopAmerican Airlines

13h 00mSNN-ORD

€550

20/1Mon

3 stops

27h 35mORD-SNN

27/1Mon

2 stops

34h 55mSNN-ORD

€713

20/1Mon

3 stops

35h 00mORD-SNN

27/1Mon

3 stops

27h 15mSNN-ORD

€761

24/1Fri

2 stopsAir Canada

22h 10mORD-SNN

31/1Fri

3 stopsAir Canada

21h 12mSNN-ORD

€769

9/1Thu

2 stopsAer Lingus

27h 40mORD-SNN

12/1Sun

2 stopsAer Lingus

29h 10mSNN-ORD

€774

9/1Thu

2 stopsAir Canada

23h 10mORD-SNN

12/1Sun

3 stopsAir Canada

21h 12mSNN-ORD

€787

25/5Sun

directUnited Airlines

7h 25mORD-SNN

1/6Sun

directUnited Airlines

8h 15mSNN-ORD

€814

7/5Wed

2 stopsUnited Airlines

19h 45mORD-SNN

15/5Thu

1 stopUnited Airlines

12h 10mSNN-ORD

€818

7/5Wed

2 stopsAer Lingus

14h 05mORD-SNN

16/5Fri

1 stopAer Lingus

12h 05mSNN-ORD

€878

Recent one-way flight deals

4/5Sun

2 stops

24h 05mORD-SNN

€418

3/5Sat

2 stops

24h 05mORD-SNN

€452

14/4Mon

2 stopsAer Lingus

13h 35mORD-SNN

€480

4/5Sun

3 stops

28h 20mORD-SNN

€482

14/4Mon

1 stopAer Lingus

12h 35mORD-SNN

€483

4/5Sun

1 stopAmerican Airlines

11h 25mORD-SNN

€489

13/5Tue

2 stopsAmerican Airlines

15h 40mSTL-SNN

€517

3/5Sat

1 stopAmerican Airlines

13h 40mORD-SNN

€546

3/5Sat

3 stops

27h 20mORD-SNN

€568

13/5Tue

1 stopAmerican Airlines

12h 55mSTL-SNN

€615

Last minute flights from Illinois to Shannon

Last minute flight, train and bus deals

26/12Thu

multi-stopBritish Airways

19h 00mORD-SNN

5/1Sun

multi-stopBritish Airways

32h 37mSNN-ORD

€1,349

23/12Mon

multi-stopBritish Airways

56h 28mORD-SNN

27/12Fri

multi-stopBritish Airways

15h 15mSNN-ORD

€1,353

23/12Mon

multi-stopBritish Airways

56h 28mORD-SNN

27/12Fri

multi-stopBritish Airways

36h 25mSNN-ORD

€1,358

25/12Wed

multi-stopAmerican Airlines

20h 18mSTL-SNN

27/12Fri

multi-stopAmerican Airlines

20h 08mSNN-STL

€1,395

23/12Mon

multi-stop

11h 05mORD-SNN

27/12Fri

multi-stop

13h 00mSNN-ORD

€1,417

22/12Sun

multi-stop

37h 25mORD-SNN

31/12Tue

multi-stop

13h 00mSNN-ORD

€1,444

26/12Thu

multi-stop

12h 45mORD-SNN

5/1Sun

multi-stop

24h 40mSNN-ORD

€1,457

25/12Wed

multi-stopAmerican Airlines

16h 49mSTL-SNN

27/12Fri

multi-stopAmerican Airlines

28h 49mSNN-STL

€1,468

22/12Sun

multi-stopBritish Airways

37h 25mORD-SNN

31/12Tue

multi-stopBritish Airways

33h 01mSNN-ORD

€1,601

22/12Sun

multi-stopAmerican Airlines

31h 45mORD-SNN

31/12Tue

multi-stopAmerican Airlines

26h 04mSNN-ORD

€1,954

Everything you need to know for your flight to Shannon

Information on the airport you'll fly into in Shannon

Shannon (SNN)

€418 Find Cheap Flights from Illinois to Shannon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Shannon departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Shannon

How does KAYAK find such low prices 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?

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

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

Prefer to fly direct from Illinois to Shannon?

Book cheap flights from Illinois to Shannon

Recent return flight deals

Search by stops

Search by airline

Search by price

Recent one-way flight deals

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Shannon

Last minute flight, train and bus deals

Search by stops

Search by airline

Search by price

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

Cabin classes available on flights to Shannon. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Shannon

Flights from all regions of Illinois to Shannon. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in Shannon

Find deals for your return flight