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$622+ Cheap flights from Shannon (SNN) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — ORD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Shannon to Illinois

Cheapest flights from Shannon to Illinois
Explore the most affordable flight options available from Shannon to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This British Airways deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:50 am
SNN
-
ORD
2 stops18h 00m
British Airways
Mon 2/96:25 pm
ORD
-
SNN
1 stop11h 05m
British Airways
Deal found 1/28$622
This Trip.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:50 am
SNN
-
ORD
1 stop13h 35m
Multiple Airlines
Mon 2/96:25 pm
ORD
-
SNN
1 stop11h 05m
Multiple Airlines
Deal found 1/28$664
This British Airways deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:30 am
SNN
-
ORD
1 stop13h 30m
British Airways
Sun 9/2010:35 pm
ORD
-
SNN
1 stop16h 00m
British Airways
Deal found 1/28$675
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:50 am
SNN
-
ORD
1 stop15h 10m
American Airlines
Wed 3/46:30 pm
ORD
-
SNN
1 stop11h 00m
American Airlines
Deal found 1/26$685
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:50 am
SNN
-
ORD
1 stop15h 10m
American Airlines
Mon 2/94:14 pm
ORD
-
SNN
2 stops18h 31m
American Airlines
Deal found 1/28$688
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:30 am
SNN
-
ORD
1 stop13h 30m
American Airlines
Sun 9/205:50 pm
ORD
-
SNN
1 stop11h 30m
American Airlines
Deal found 1/27$743
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/132:45 pm
SNN
-
ORD
2 stops21h 41m
American Airlines
Fri 3/208:10 am
ORD
-
SNN
1 stop17h 10m
American Airlines
Deal found 1/27$749

Find flight deals from Shannon to Illinois

Keep the following information in mind while searching for Shannon to Illinois flight deals. Data was last updated January 29, 2026.

Round-trip from

$685
(American Airlines)

One-way from

$630
(KAYAK)
From Shannon to Illinois
Search Deals
One-way flight from Shannon to Illinois
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Shannon to Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Shannon to Illinois that are best for you.

Fly from

Shannon

Fly to

Illinois

Route

Depart

Return

Price

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sat 2/28

7:50 am-5:00 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 3/4

6:30 pm-11:30 am

1 stop11h 00m

$685

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sat 2/28

7:50 am-7:40 pm

2 stops17h 50m

Chicago O'Hare Intl

Wed 3/4

11:38 am-7:25 pm

2 stops25h 47m

$694

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 3/13

2:45 pm-7:26 am

2 stops21h 41m

Chicago O'Hare Intl

Fri 3/20

8:10 am-6:20 am

1 stop17h 10m

$749

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 3/31

5:45 am-2:30 pm

3 stops38h 45m

Chicago O'Hare Intl

Sat 4/4

9:40 pm-9:10 pm

2 stops17h 30m

$812

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 3/31

9:15 pm-3:00 pm

1 stop23h 45m

Chicago O'Hare Intl

Sat 4/4

9:15 pm-4:05 pm

1 stop12h 50m

$819

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sat 3/14

5:25 pm-7:45 pm

2 stops31h 20m

Chicago O'Hare Intl

Sat 3/21

8:40 pm-11:30 am

2 stops33h 50m

$864

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sat 2/21

5:25 pm-3:25 pm

1 stop28h 00m

Chicago O'Hare Intl

Wed 2/25

9:45 pm-7:25 pm

1 stop15h 40m

$920

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 6/23

4:50 pm-1:50 pm

1 stop27h 00m

$630

ShannonChicago

SNN - ORD

SNNORD

Shannon

Mon 6/22

9:15 pm-1:50 pm

1 stop22h 35m

$669

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 6/23

7:30 am-7:42 pm

2 stops18h 12m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 15 results
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Best time to book a flight from Shannon to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Shannon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Shannon to Illinois
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Shannon to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Shannon to Illinois?

    For a flight from Shannon to Illinois, you will be flying from Shannon. Shannon (SNN) is just 2.1 mi from the center of the city.

  • How long is the flight from Shannon, Clare to Illinois?

    A quick flight from Shannon, Clare to Illinois can take about 15h 10m. American Airlines provides one of the quickest options available for as low as $685. The distance between Shannon, Clare and Illinois is about 3578 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Shannon to Illinois that include hotel bookings?

    Yes. In addition to deals on Shannon to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Shannon to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Shannon to Illinois.

  • Can I find deals for business class flights from Shannon to Illinois?

    Yes. Cheapflights offers flight deals from Shannon to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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