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Illinois

$421+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SNN — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Shannon to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$421
(United Airlines)

Good round-trip deal

$788 or less

Good one-way deal

$1,055 or less
From Shannon to Illinois
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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 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 5/612:30 pmSNN - ORD
1 stop13h 55mUnited Airlines
Sat 5/316:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
Deal found 1/20$421
This KLM deal was found by Cheapflights users on 1/20. 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.
Mon 5/261:05 pmSNN - ORD
2 stops17h 01mMultiple Airlines
Sat 6/76:10 pmORD - SNN
1 stop11h 00mMultiple Airlines
Deal found 1/20$451
This Air France deal was found by Cheapflights users on 1/20. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:05 pmSNN - ORD
1 stop13h 55mAir France
Mon 9/1511:00 amORD - SNN
1 stop18h 10mAir France
Deal found 1/20$463
This TravelUp deal was found by Cheapflights users on 1/20. 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.
Mon 1/277:45 amSNN - ORD
1 stop12h 10mBritish Airways
Mon 2/35:00 pmORD - SNN
1 stop12h 30mBritish Airways
Deal found 1/20$544
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 1/277:45 amSNN - ORD
1 stop12h 10mAmerican Airlines
Mon 2/34:22 pmORD - SNN
2 stops13h 08mAmerican Airlines
Deal found 1/20$555
This Delta deal was found by Cheapflights users on 1/20. 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.
Thu 6/261:05 pmSNN - ORD
2 stops26h 57mDelta
Tue 7/83:35 pmORD - SNN
2 stops37h 35mDelta
Deal found 1/20$720
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/251:05 pmSNN - MDW
2 stops29h 25mDelta
Tue 7/86:50 pmMDW - SNN
2 stops34h 20mDelta
Deal found 1/21$725
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/108:05 pmSNN - ORD
2 stops29h 10mAer Lingus
Sat 6/73:45 pmORD - SNN
2 stops18h 30mAer Lingus
Deal found 1/20$752
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/307:45 amSNN - MDW
3 stops34h 25mMultiple Airlines
Mon 2/36:59 pmMDW - SNN
3 stops34h 31mMultiple Airlines
Deal found 1/21$1,093
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/57:45 amSNN - ORD
2 stops30h 20mAir Canada
Sun 2/911:35 amORD - SNN
2 stops17h 55mAir Canada
Deal found 1/20$2,627

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 January 21, 2025.

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Route

Depart

Return

Price

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 5/6

12:30 pm-1:15 pm

2 stops30h 45m

Chicago O'Hare Intl

Sat 5/31

6:05 pm-7:30 am

Nonstop7h 25m

$421

ShannonChicago

SNN - ORD

SNNORD

Shannon

Mon 5/26

1:05 pm-12:06 am

2 stops17h 01m

Chicago O'Hare Intl

Sat 6/7

6:10 pm-11:10 am

1 stop11h 00m

$451

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 3/4

7:45 am-5:00 pm

1 stop15h 15m

Chicago O'Hare Intl

Tue 3/11

6:00 pm-7:25 pm

1 stop20h 25m

$544

ShannonChicago

SNN - ORD

SNNORD

Shannon

Tue 2/4

7:45 am-9:42 pm

2 stops19h 57m

Chicago O'Hare Intl

Sat 2/8

8:20 pm-4:45 pm

2 stops38h 25m

$560

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 6/27

1:05 pm-9:00 pm

1 stop13h 55m

Chicago O'Hare Intl

Sat 7/12

6:10 pm-11:10 am

1 stop11h 00m

$648

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 6/26

1:05 pm-10:02 am

2 stops26h 57m

Chicago O'Hare Intl

Sun 7/13

6:00 am-11:10 am

2 stops47h 10m

$720

ShannonChicago

SNN - MDW

SNNMDW

Shannon

Wed 6/25

1:05 pm-12:30 pm

2 stops29h 25m

Chicago Midway

Tue 7/8

6:50 pm-11:10 am

2 stops34h 20m

$725

ShannonChicago

SNN - ORD

SNNORD

Shannon

Mon 2/10

8:05 pm-7:15 pm

2 stops29h 10m

Chicago O'Hare Intl

Sat 6/7

3:45 pm-4:15 pm

2 stops18h 30m

$752

ShannonChicago

SNN - MDW

SNNMDW

Shannon

Fri 6/27

1:05 pm-9:47 pm

2 stops38h 42m

Chicago Midway

Fri 7/11

5:59 pm-11:10 am

2 stops35h 11m

$1,849

ShannonChicago

SNN - ORD

SNNORD

Shannon

Wed 2/5

7:45 am-8:05 am

2 stops30h 20m

Chicago O'Hare Intl

Sun 2/9

11:35 am-11:30 am

2 stops17h 55m

$2,627

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 16 results
1
2

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 January 21, 2025.
Read reviews from past customers who have flown American Airlines and Delta 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
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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 to Illinois one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $481. Users have also found prices from $614 and $618 on Delta and Air France, respectively.

  • What are the cheapest flights from Shannon to Illinois?

    While on average a flight from Shannon to Illinois is generally $945, our data shows the cheapest flight currently is $788. When looking at the most popular route, (Shannon - Chicago O'Hare Intl), you can expect to pay $421 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 to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Shannon to Illinois (average of $245). Flying from Shannon to Illinois in March is currently the most expensive (average of $320). 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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Alternative routes for Shannon to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$549Average$755FlexibilityNo cancel feeOn-time69%
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