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$386+ Cheap flights from Shannon (SNN) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — ORD
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Cheap flight deals from Shannon to Illinois

Keep the following information in mind while searching for Shannon to Illinois flight deals. Data was last updated May 15, 2025.

Round-trip from

$531
(United Airlines)

One-way from

$386
(Kiwi.com)

Good one-way deal

$1,379 or less
From Shannon to Illinois
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One-way flight from Shannon to Illinois
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Price to beat on a one-way flight from Shannon to Illinois.
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Find 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 May 15, 2025.

This United Airlines deal was found by Cheapflights users on 5/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:30 amSNN - ORD
Nonstop8h 15mUnited Airlines
Wed 5/282:26 pmORD - SNN
1 stop13h 49mUnited Airlines
Deal found 5/14$531
This KLM deal was found by Cheapflights users on 5/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/301:05 pmSNN - ORD
1 stop14h 26mMultiple Airlines
Tue 6/311:07 amORD - SNN
2 stops18h 03mMultiple Airlines
Deal found 5/14$538
This Bravofly deal was found by Cheapflights users on 5/14. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/301:05 pmSNN - ORD
2 stops33h 42mAir France
Tue 6/39:39 amORD - SNN
2 stops19h 31mAir France
Deal found 5/14$592
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Wed 12/32:45 pmSNN - ORD
2 stops13h 23mAmerican Airlines
Mon 1/59:45 pmORD - SNN
1 stop13h 00mAmerican Airlines
Deal found 5/15$682
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:40 amSNN - ORD
1 stop16h 35mAer Lingus
Mon 10/204:55 pmORD - SNN
1 stop12h 25mAer Lingus
Deal found 5/15$692
This British Airways deal was found by Cheapflights users on 5/13. 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.
Fri 5/239:15 pmSNN - ORD
1 stop22h 35mBritish Airways
Wed 5/283:20 pmORD - SNN
2 stops14h 00mBritish Airways
Deal found 5/13$710
This Air Canada deal was found by Cheapflights users on 5/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/299:15 pmSNN - ORD
2 stops23h 49mAir Canada
Sun 7/63:35 pmORD - SNN
2 stops18h 35mAir Canada
Deal found 5/15$850
This Mytrip deal was found by Cheapflights users on 5/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/299:15 pmSNN - MDW
3 stops25h 39mMultiple Airlines
Sun 7/69:40 amMDW - SNN
3 stops24h 30mMultiple Airlines
Deal found 5/15$1,116

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 May 15, 2025.
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

Fri 9/5

9:30 am-11:45 am

Nonstop8h 15m

Chicago O'Hare Intl

Mon 9/15

2:00 pm-10:15 am

2 stops14h 15m

$531

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/30

1:05 pm-9:31 pm

1 stop14h 26m

Chicago O'Hare Intl

Tue 6/3

11:07 am-11:10 am

2 stops18h 03m

$538

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/30

1:05 pm-4:47 pm

2 stops33h 42m

Chicago O'Hare Intl

Tue 6/3

9:39 am-11:10 am

2 stops19h 31m

$592

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 10/30

2:00 pm-10:35 am

1 stop25h 35m

Chicago O'Hare Intl

Mon 11/3

11:45 am-4:45 pm

2 stops23h 00m

$683

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 10/16

7:40 am-6:15 pm

1 stop16h 35m

Chicago O'Hare Intl

Mon 10/20

4:55 pm-11:20 am

1 stop12h 25m

$692

ShannonChicago

SNN - ORD

SNNORD

Shannon

Wed 10/29

7:45 am-6:00 pm

1 stop15h 15m

Chicago O'Hare Intl

Sun 11/2

4:34 pm-11:30 am

2 stops12h 56m

$723

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 6/29

9:15 pm-3:04 pm

2 stops23h 49m

Chicago O'Hare Intl

Sun 7/6

3:35 pm-4:10 pm

2 stops18h 35m

$850

ShannonChicago

SNN - MDW

SNNMDW

Shannon

Sun 6/29

9:15 pm-4:54 pm

3 stops25h 39m

Chicago Midway

Sun 7/6

9:40 am-4:10 pm

3 stops24h 30m

$1,116

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sat 6/14

6:45 am-6:37 am

3 stops29h 52m

$386

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 9/7

9:15 pm-7:00 pm

2 stops27h 45m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 13 results
1
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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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 15, 2025.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.4
Good
1,451 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,731 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,091 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Shannon, Clare to Illinois one-way?

    The cheapest airlines for a one-way flight from Shannon, Clare to Illinois are Aer Lingus ($414), British Airways ($520), and United Airlines ($1,131).

  • What are the cheapest flights from Shannon, Clare to Illinois?

    While on average a flight from Shannon, Clare to Illinois is generally $1,446, our data shows the cheapest flight currently is $1,239. When looking at the most popular route, (Shannon - Chicago O'Hare Intl), you can expect to pay $531 for that flight.

  • 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.

  • What is the cheapest month to book a flight from Shannon, Clare to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Shannon, Clare to Illinois (average of $245). Flying from Shannon, Clare to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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