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Illinois

$456+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Round-trip from

$540
(United Airlines)

One-way from

$485
(Kiwi.com)

Good one-way deal

$1,179 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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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
Tue 5/276:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
Deal found 4/29$541
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:05 pmSNN - MDW
2 stops29h 23mDelta
Tue 5/279:16 amMDW - SNN
2 stops19h 54mDelta
Deal found 4/29$569
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:05 pmSNN - ORD
2 stops29h 15mDelta
Tue 5/279:00 amORD - SNN
2 stops20h 10mDelta
Deal found 4/29$569
This KLM deal was found by Cheapflights users on 4/29. 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.
Thu 6/121:05 pmSNN - ORD
1 stop14h 38mMultiple Airlines
Mon 6/1611:20 amORD - SNN
2 stops17h 50mMultiple Airlines
Deal found 4/29$697
This TravelUp deal was found by Cheapflights users on 4/29. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/121:05 pmSNN - ORD
2 stops38h 32mAir France
Mon 6/165:59 pmORD - SNN
2 stops35h 11mAir France
Deal found 4/29$719
This American Airlines deal was found by Cheapflights users on 4/29. 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 4/29$765
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:05 pmSNN - ORD
2 stops27h 50mAer Lingus
Mon 1/59:00 pmORD - SNN
2 stops13h 45mAer Lingus
Deal found 4/29$789
This British Airways deal was found by Cheapflights users on 4/29. 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 5/237:40 amSNN - ORD
2 stops15h 54mBritish Airways
Tue 5/273:01 pmORD - SNN
2 stops14h 19mBritish Airways
Deal found 4/29$965
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 5/237:40 amSNN - MDW
3 stops31h 05mMultiple Airlines
Tue 5/279:40 amMDW - SNN
3 stops28h 55mMultiple Airlines
Deal found 4/29$2,221

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 April 29, 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 5/23

9:30 am-11:45 am

Nonstop8h 15m

Chicago O'Hare Intl

Tue 5/27

6:05 pm-7:30 am

Nonstop7h 25m

$541

ShannonChicago

SNN - MDW

SNNMDW

Shannon

Fri 5/23

1:05 pm-12:28 pm

2 stops29h 23m

Chicago Midway

Tue 5/27

9:16 am-11:10 am

2 stops19h 54m

$569

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/23

1:05 pm-12:20 pm

2 stops29h 15m

Chicago O'Hare Intl

Tue 5/27

9:00 am-11:10 am

2 stops20h 10m

$569

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 6/12

1:05 pm-9:43 pm

1 stop14h 38m

Chicago O'Hare Intl

Mon 6/16

11:20 am-11:10 am

2 stops17h 50m

$697

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 6/12

1:05 pm-9:37 pm

2 stops38h 32m

Chicago O'Hare Intl

Mon 6/16

5:59 pm-11:10 am

2 stops35h 11m

$719

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 7/24

1:45 pm-10:51 pm

2 stops15h 06m

Chicago O'Hare Intl

Fri 8/1

10:08 am-5:55 am

1 stop13h 47m

$847

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/23

7:40 am-5:34 pm

2 stops15h 54m

Chicago O'Hare Intl

Tue 5/27

3:01 pm-11:20 am

2 stops14h 19m

$965

ShannonChicago

SNN - MDW

SNNMDW

Shannon

Fri 5/23

7:40 am-8:45 am

3 stops31h 05m

Chicago Midway

Tue 5/27

9:40 am-8:35 pm

3 stops28h 55m

$2,221

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 9/7

9:15 pm-2:00 pm

2 stops22h 45m

$456

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 6/13

4:55 pm-11:05 pm

2 stops36h 10m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,244 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 flights from Shannon, Clare to Illinois?

    While on average a flight from Shannon, Clare to Illinois is generally $1,179, our data shows the cheapest flight currently is $1,100. When looking at the most popular route, (Shannon - Chicago O'Hare Intl), you can expect to pay $540 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.

See more FAQs

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