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$394+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — ORD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Round-trip from

$637
(TravelUp)

One-way from

$394
(oojo)
From Shannon to Illinois
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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 February 22, 2025.

This KLM deal was found by Cheapflights users on 2/21. 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 9/51:05 pmSNN - ORD
1 stop13h 55mMultiple Airlines
Mon 9/151:16 pmORD - SNN
2 stops15h 54mMultiple Airlines
Deal found 2/21$617
This SmartFares deal was found by Cheapflights users on 2/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/15:25 pmSNN - ORD
2 stops26h 35mAer Lingus
Sun 3/94:55 pmORD - SNN
2 stops13h 35mAer Lingus
Deal found 2/22$625
This TravelUp deal was found by Cheapflights users on 2/21. 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.
Sat 3/17:45 amSNN - ORD
1 stop15h 15mBritish Airways
Wed 3/58:25 pmORD - SNN
1 stop14h 20mBritish Airways
Deal found 2/21$631
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/17:45 amSNN - ORD
1 stop15h 15mAmerican Airlines
Wed 3/511:41 amORD - SNN
2 stops25h 44mAmerican Airlines
Deal found 2/21$641
This United Airlines deal was found by Cheapflights users on 2/21. 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 9/59:30 amSNN - ORD
Nonstop8h 15mUnited Airlines
Mon 9/156:15 pmORD - SNN
1 stop10h 00mUnited Airlines
Deal found 2/21$653
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Tue 10/287:45 amSNN - ORD
2 stops19h 14mAir Canada
Mon 11/310:40 amORD - SNN
2 stops18h 50mAir Canada
Deal found 2/21$801
This SmartFares deal was found by Cheapflights users on 2/21. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:45 amSNN - MDW
2 stops39h 18mMultiple Airlines
Sun 11/210:10 amMDW - SNN
2 stops19h 20mMultiple Airlines
Deal found 2/21$2,378

Find flights from Shannon to Illinois within your budget

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 February 22, 2025.

Fly from

Shannon

Fly to

Illinois

Route

Depart

Return

Price

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 4/3

7:40 am-10:16 pm

2 stops20h 36m

Chicago O'Hare Intl

Mon 4/7

7:15 pm-4:10 pm

1 stop14h 55m

$637

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 3/6

7:45 am-2:45 pm

1 stop13h 00m

Chicago O'Hare Intl

Mon 3/10

10:45 pm-4:45 pm

1 stop13h 00m

$641

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 4/3

7:40 am-8:06 pm

2 stops18h 26m

Chicago O'Hare Intl

Mon 4/7

3:51 pm-11:20 am

2 stops13h 29m

$653

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 6/13

7:40 am-6:15 pm

2 stops16h 35m

Chicago O'Hare Intl

Wed 6/18

1:56 pm-11:20 am

2 stops15h 24m

$883

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 4/4

12:30 pm-9:45 am

1 stop27h 15m

Chicago O'Hare Intl

Tue 4/8

6:00 am-10:15 am

1 stop22h 15m

$2,729

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sat 5/24

5:30 pm-2:00 pm

2 stops26h 30m

$394

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/23

1:05 pm-8:54 pm

1 stop13h 49m

$624

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/23

9:30 am-11:45 am

Nonstop8h 15m

$1,062

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 4/24

7:40 am-9:15 pm

3 stops43h 35m

$1,238

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 4/24

7:40 am-1:55 pm

1 stop12h 15m

$1,621

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from Shannon to Illinois

Get recent, data-driven insights about flights from Shannon to Illinois including ideal travel times, pricing trends, and more.

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 February 22, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Shannon to Illinois. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

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
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

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
8,754 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

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
8,203 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

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
8,757 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

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

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very good
8,203 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

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 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 ($394), Delta ($624), and United Airlines ($1,062).

  • 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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Top airline flying from Shannon to Illinois

Discover the top airline that operate flights from Shannon to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$549Average$711FlexibilityNo cancel feeOn-time69%
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