HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$455+ 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
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Shannon to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Round-trip from

$536
(KLM)

One-way from

$479
(Kiwi.com)

Good one-way deal

$1,436 or less
From Shannon to Illinois
Search Deals
One-way flight from Shannon to Illinois
Search Deals
Price to beat on a one-way flight from Shannon to Illinois.
Search Deals

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 March 28, 2025.

This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:05 pmSNN - ORD
2 stops31h 42mKLM
Sat 5/3111:05 amORD - SNN
2 stops18h 05mKLM
Deal found 3/27$536
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/231:05 pmSNN - ORD
1 stop26h 46mDelta
Thu 5/297:00 amORD - SNN
1 stop22h 10mDelta
Deal found 3/27$622
This TravelUp deal was found by Cheapflights users on 3/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/37:40 amSNN - ORD
2 stops18h 26mBritish Airways
Mon 4/75:45 pmORD - SNN
1 stop11h 35mBritish Airways
Deal found 3/27$639
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 4/37:40 amSNN - ORD
1 stop12h 15mMultiple Airlines
Mon 4/74:55 pmORD - SNN
1 stop12h 25mMultiple Airlines
Deal found 3/27$644
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 4/37:40 amSNN - ORD
1 stop14h 15mAmerican Airlines
Mon 4/77:15 pmORD - SNN
1 stop14h 55mAmerican Airlines
Deal found 3/27$646
This United Airlines deal was found by Cheapflights users on 3/27. 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 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
Thu 5/296:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
Deal found 3/27$670
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/37:40 amSNN - ORD
2 stops17h 20mAer Lingus
Mon 4/79:15 pmORD - SNN
2 stops12h 55mAer Lingus
Deal found 3/27$730
This Aunt Betty deal was found by Cheapflights users on 3/27. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/67:40 amSNN - ORD
2 stops15h 47mAir Canada
Sat 7/128:40 amORD - SNN
2 stops20h 40mAir Canada
Deal found 3/27$883
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/37:40 amSNN - MDW
3 stops32h 40mMultiple Airlines
Mon 4/711:15 amMDW - SNN
3 stops27h 20mMultiple Airlines
Deal found 3/27$1,999

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 March 28, 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

Sat 5/24

1:05 pm-2:47 pm

2 stops31h 42m

Chicago O'Hare Intl

Sat 5/31

11:05 am-11:10 am

2 stops18h 05m

$536

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/23

1:05 pm-9:51 am

1 stop26h 46m

Chicago O'Hare Intl

Thu 5/29

7:00 am-11:10 am

1 stop22h 10m

$622

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 4/24

4:55 pm-1:50 pm

1 stop26h 55m

Chicago O'Hare Intl

Thu 5/1

6:16 am-5:55 am

1 stop17h 39m

$663

ShannonChicago

SNN - ORD

SNNORD

Shannon

Mon 9/22

1:45 pm-10:33 pm

2 stops14h 48m

Chicago O'Hare Intl

Fri 10/3

4:45 pm-5:25 am

1 stop30h 40m

$667

ShannonChicago

SNN - ORD

SNNORD

Shannon

Fri 5/23

9:30 am-11:45 am

Nonstop8h 15m

Chicago O'Hare Intl

Thu 5/29

5:57 pm-10:15 am

1 stop10h 18m

$670

ShannonChicago

SNN - ORD

SNNORD

Shannon

Thu 4/24

10:50 am-6:39 pm

3 stops37h 49m

Chicago O'Hare Intl

Thu 5/1

7:25 pm-11:00 pm

2 stops21h 35m

$825

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 7/6

4:55 pm-2:00 pm

2 stops27h 05m

Chicago O'Hare Intl

Sat 7/12

9:15 pm-4:05 pm

1 stop12h 50m

$848

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 7/6

7:40 am-5:27 pm

2 stops15h 47m

Chicago O'Hare Intl

Sat 7/12

8:40 am-11:20 am

2 stops20h 40m

$883

ShannonChicago

SNN - ORD

SNNORD

Shannon

Sun 9/7

9:15 pm-7:00 pm

2 stops27h 45m

$455

ShannonChicago

SNN - ORD

SNNORD

Shannon

Mon 6/23

6:05 am-7:17 pm

3 stops43h 12m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 14 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.

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 March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

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
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

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
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

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
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

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
Aer Lingus
7.0
Good
1,062 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

8.0

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 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 ($500), Delta ($619), and British Airways ($623).

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

    While on average a flight from Shannon, Clare to Illinois is generally $1,436, our data shows the cheapest flight currently is $1,432. When looking at the most popular route, (Shannon - Chicago O'Hare Intl), you can expect to pay $537 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 $323). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Shannon to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to John F Kennedy Intl flights
Dublin to Newark flights
Dublin to LaGuardia flights
Dublin to Orlando flights
Dublin to O'Hare Intl flights
Dublin to Los Angeles flights
Dublin to Seattle flights
Dublin to Boston flights
Dublin to San Francisco flights
Dublin to Dulles Intl flights
Shannon to John F Kennedy Intl flights
Dublin to Las Vegas flights
Dublin to Stewart flights
Dublin to Dallas/Fort Worth flights
Dublin to Charlotte flights
Dublin to Philadelphia flights
Dublin to Fort Lauderdale flights
Shannon to Newark flights
Dublin to West Palm Beach flights
Dublin to Atlanta flights
Dublin to Miami flights
Dublin to Nashville flights
Dublin to Minneapolis flights
Shannon to Boston flights
Dublin to Reagan-National flights
Dublin to Denver flights
Dublin to Ontario flights
Dublin to Baltimore flights
Dublin to Hobby flights
Dublin to Indianapolis flights
Dublin to Detroit flights
Dublin to San Diego flights
Dublin to Love Field flights
Dublin to Sky Harbor Intl flights
Dublin to George Bush Intcntl flights
Dublin to Tampa flights
Dublin to San Jose flights
Dublin to Cleveland flights
Dublin to Raleigh flights
Dublin to Oakland flights
Dublin to Austin flights
Dublin to New Orleans flights
Dublin to Santa Ana flights
Cork to O'Hare Intl flights
Cork to Newark flights
Dublin to Hartford flights
Dublin to Kansas City flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$549Average$755FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.