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Shannon

$294+ Cheap flights from Chicago (CHI) to Shannon (SNN)

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SNN
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Shannon are usually found in January or February, booked 48 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Chicago to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Shannon (SNN). 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 September 14, 2025.

Round-trip from

$529
(United Airlines)

One-way from

$294
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$654

Good round-trip deal

$742 or less

Good one-way deal

$521 or less
From Chicago (CHI) to Shannon
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One-way flight from Chicago (CHI) to Shannon
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Highest demand for flights based on searches. 5% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Shannon.
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Price to beat on a one-way flight from Chicago (CHI) to Shannon.
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Find flight deals from Chicago to Shannon

Cheapest flights from Chicago to Shannon
Explore the most affordable flight options available from Chicago to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:45 pmORD - SNN
1 stop14h 00mAmerican Airlines
Thu 11/67:50 amSNN - ORD
1 stop13h 35mAmerican Airlines
Deal found 9/14$535
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:45 pmORD - SNN
1 stop13h 00mAmerican Airlines
Tue 11/47:50 amSNN - ORD
2 stops19h 00mAmerican Airlines
Deal found 9/13$545
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/304:00 pmORD - SNN
1 stop12h 15mUnited Airlines
Tue 10/712:30 pmSNN - ORD
2 stops14h 45mUnited Airlines
Deal found 9/12$561
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:10 pmORD - SNN
1 stop12h 20mAmerican Airlines
Wed 11/57:50 amSNN - ORD
1 stop13h 35mAmerican Airlines
Deal found 9/14$609
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/196:00 pmORD - SNN
Nonstop7h 30mUnited Airlines
Fri 9/2612:30 pmSNN - ORD
2 stops25h 09mUnited Airlines
Deal found 9/12$627
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 10/14:00 pmORD - SNN
1 stop12h 15mUnited Airlines
Tue 10/1412:30 pmSNN - ORD
1 stop13h 44mUnited Airlines
Deal found 9/12$656
This Aunt Betty deal was found by Cheapflights users on 9/14. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:50 pmORD - SNN
2 stops17h 40mAir Canada
Wed 11/57:50 amSNN - ORD
2 stops18h 10mAir Canada
Deal found 9/14$670
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:15 pmORD - SNN
1 stop14h 55mAmerican Airlines
Sun 10/199:15 pmSNN - ORD
1 stop20h 35mAmerican Airlines
Deal found 9/13$671
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:00 amORD - SNN
2 stops18h 15mUnited Airlines
Wed 10/812:30 pmSNN - ORD
2 stops27h 17mUnited Airlines
Deal found 9/13$673
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:39 pmMDW - SNN
2 stops21h 31mMultiple Airlines
Sun 10/192:35 pmSNN - MDW
1 stop14h 50mMultiple Airlines
Deal found 9/13$1,236
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:41 amMDW - SNN
3 stops27h 39mMultiple Airlines
Sat 11/292:45 pmSNN - MDW
3 stops30h 35mMultiple Airlines
Deal found 9/13$1,432
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:20 amMDW - SNN
3 stops25h 00mMultiple Airlines
Mon 9/294:55 pmSNN - MDW
3 stops29h 29mMultiple Airlines
Deal found 9/13$2,037

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Shannon 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 September 14, 2025.
Use the filters below to find and compare flights from Chicago to Shannon that are best for you.

Fly from

Chicago

Fly to

Shannon

Route

Depart

Return

Price

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 10/28

9:45 pm-4:45 pm

1 stop14h 00m

Shannon

Thu 11/6

7:50 am-3:25 pm

1 stop13h 35m

$535

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 10/28

4:52 pm-11:30 am

2 stops13h 38m

Shannon

Tue 11/4

7:50 am-7:04 pm

2 stops17h 14m

$623

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Fri 9/19

6:00 pm-7:30 am

Nonstop7h 30m

Shannon

Fri 9/26

12:30 pm-7:39 am

2 stops25h 09m

$627

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 9/30

4:50 pm-10:15 am

1 stop11h 25m

Shannon

Tue 10/7

12:30 pm-8:14 pm

1 stop13h 44m

$656

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 10/1

3:00 pm-10:15 am

2 stops13h 15m

Shannon

Tue 10/7

12:30 pm-8:15 pm

2 stops13h 45m

$661

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 10/1

4:00 pm-10:15 am

1 stop12h 15m

Shannon

Tue 10/14

12:30 pm-9:15 pm

2 stops14h 45m

$661

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Sun 10/12

12:39 pm-4:10 pm

2 stops21h 31m

Shannon

Sun 10/19

2:35 pm-11:25 pm

1 stop14h 50m

$1,236

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Sat 11/22

9:41 am-7:20 pm

3 stops27h 39m

Shannon

Sat 11/29

2:45 pm-3:20 pm

3 stops30h 35m

$1,432

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Fri 9/26

9:20 am-4:20 pm

3 stops25h 00m

Shannon

Mon 9/29

4:55 pm-4:24 pm

3 stops29h 29m

$2,037

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Sat 1/17

12:45 pm-4:45 pm

2 stops22h 00m

Shannon

Sat 1/24

7:50 am-10:05 am

2 stops32h 15m

$5,580

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 17 results
1
2

Best time to book a flight from Chicago to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Chicago 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 Chicago to Shannon

How far ahead should I book a flight from Chicago to Shannon, Clare?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Shannon. Price data was last updated on September 12, 2025.

Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Shannon, Clare. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Chicago to Shannon, Clare (average of $533). Flying from Chicago to Shannon, Clare in June is currently the most expensive (average of $926). 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.

What is the cheapest time of day to fly from CHI to SNN?

Find hourly flight availability from Chicago to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

One of the essential ways to save on airfare from Chicago to Shannon, Clare is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

Weekly flight availability from Chicago to Shannon, Clare

Explore weekly flight availability from Chicago to Shannon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 14, 2025.

The most flights from CHI to SNN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Chicago to Shannon, Clare?

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. 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 Shannon. Reviews last updated September 14, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and British Airways from Chicago to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Chicago to Shannon. 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 into for flights to Shannon from Chicago?

    If you book a flight to Shannon from Chicago, you will be flying to Shannon, which is the city’s only airport. Shannon (SNN) is located 2.1 mi from the center of Shannon. There is 1 flight from Chicago to Shannon per day from 2 different airlines.

  • How long is the flight from Chicago to Shannon, Clare?

    A quick flight from Chicago to Shannon, Clare can take about 7h 30m. American Airlines provides one of the quickest options available for as low as $627. Airlines will cover a distance of 3578 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago to Shannon, Clare round-trip?

    Currently priced at $530, American Airlines will fly you from Chicago to Shannon, Clare and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $597. American Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking at all options, your cheapest flight can be booked for $489. While the most popular route (Chicago O'Hare Intl - Shannon) can be booked for $598 on average, our data indicates $728 when flying from Chicago to Shannon, Clare.

  • Can I find deals for flights from Chicago to Shannon that include hotel bookings?

    Yes. In addition to deals on Chicago to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Shannon.

  • Can I find deals for business class flights from Chicago to Shannon?

    Yes. Cheapflights offers flight deals from Chicago to Shannon 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 Chicago to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Shannon, Clare (average of $533). Flying from Chicago to Shannon, Clare in June is currently the most expensive (average of $926). 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

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
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Top 3 airlines flying from Chicago to Shannon

Discover the top 3 airlines that operate flights from Chicago to Shannon. 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$530Average$750FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$597Average$852FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$736Average$1,042FlexibilityNo cancel feeOn-time70%

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