HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$399+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SNN
Dec 23 — Dec 301
Tue 12/23
Tue 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Shannon 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.

Cheapflights Tip: The best prices from Chicago to Shannon are usually found in February or September, 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 November 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$467
(American Airlines)

One-way from

$399
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,073

Good round-trip deal

$726 or less
Provider with most accurate pricing for Chicago (CHI)-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Shannon flights.
Search Deals
From Chicago (CHI) to Shannon
Search Deals
One-way flight from Chicago (CHI) to Shannon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Shannon.
Search Deals

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 November 23, 2025.

This Mytrip deal was found by Cheapflights users on 11/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 pmORD - SNN
2 stops21h 00mMultiple Airlines
Sun 12/77:50 amSNN - ORD
2 stops15h 30mMultiple Airlines
Deal found 11/22$791
This Booking.com deal was found by Cheapflights users on 11/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:10 pmORD - SNN
1 stop12h 20mAer Lingus
Sun 12/77:50 amSNN - ORD
1 stop12h 00mAer Lingus
Deal found 11/22$882
This oojo deal was found by Cheapflights users on 11/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:09 pmORD - SNN
2 stops36h 36mBritish Airways
Sun 1/118:05 pmSNN - ORD
2 stops29h 10mBritish Airways
Deal found 11/22$1,065
This Ovago deal was found by Cheapflights users on 11/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:40 pmORD - SNN
1 stop32h 50mMultiple Airlines
Sun 1/118:05 pmSNN - ORD
1 stop25h 20mMultiple Airlines
Deal found 11/22$1,106
This Mytrip deal was found by Cheapflights users on 11/21. 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.
Sun 12/217:40 pmORD - SNN
2 stops21h 10mMultiple Airlines
Sun 12/2811:55 pmSNN - ORD
2 stops24h 00mMultiple Airlines
Deal found 11/21$1,402

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 November 23, 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

Sun 1/11

6:25 pm-11:30 am

1 stop11h 05m

Shannon

Tue 1/20

7:50 am-1:50 pm

1 stop12h 00m

$467

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/14

8:30 pm-8:35 pm

1 stop18h 05m

Shannon

Tue 4/28

7:40 am-5:00 pm

1 stop15h 20m

$468

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/27

4:55 pm-11:20 am

1 stop12h 25m

Shannon

Wed 5/6

9:15 pm-1:50 pm

1 stop22h 35m

$468

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/7

10:35 pm-4:10 pm

1 stop11h 35m

Shannon

Fri 4/17

7:40 am-7:35 pm

2 stops17h 55m

$475

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/21

12:45 pm-10:15 am

2 stops15h 30m

Shannon

Tue 5/5

12:30 pm-8:11 pm

2 stops13h 41m

$491

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/14

3:35 pm-10:15 am

1 stop12h 40m

Shannon

Tue 4/28

12:30 pm-7:14 pm

2 stops12h 44m

$491

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/27

4:30 pm-10:15 am

1 stop11h 45m

Shannon

Wed 5/6

12:30 pm-9:05 pm

2 stops14h 35m

$491

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/28

11:15 am-10:15 am

2 stops17h 00m

Shannon

Fri 5/8

12:30 pm-9:05 pm

2 stops14h 35m

$492

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/6

4:30 pm-10:15 am

1 stop11h 45m

$399

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Thu 5/21

10:35 pm-4:10 pm

1 stop11h 35m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 11 results
1
2

Compare providers for flights from Chicago to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Shannon in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Shannon, Clare flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Shannon, Clare flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Shannon, Clare flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Shannon, Clare flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 14, 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, November is the cheapest month in which you can book a flight from Chicago to Shannon, Clare (average of $473). Flying from Chicago to Shannon, Clare in June is currently the most expensive (average of $760). 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 November 23, 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 28% on airfare.

How often are flights from Chicago to Shannon delayed?

About 30% of weekly flights between Chicago and Shannon have experienced delays in the past year, with the average delay time being 171 minutes.

What is the most punctual flight time for Chicago to Shannon flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Shannon flights?

Over the last year, Air Antilles have had the lowest number of delays on this route, with no flights being classified as delayed.

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 November 23, 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
9,034 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,034 reviews
United Airlines
7.4
Good
9,034 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,034 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,535 reviews
United Airlines
7.4
Good
9,034 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 are 0 flights from Chicago to Shannon per day from 3 different airlines.

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

    A quick flight from Chicago to Shannon, Clare can take about 11h 05m. American Airlines provides one of the quickest options available for as low as $467. 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 $544, 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. Search Cheapflights for deals from United Airlines and British Airways - these airlines can fly you to your destination from $597 and $736, respectively. American Airlines is 38% 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 $648. While the most popular route (Chicago O'Hare Intl - Shannon) can be booked for $487 on average, our data indicates $777 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, November is the cheapest month in which you can book a flight from Chicago to Shannon, Clare (average of $473). Flying from Chicago to Shannon, Clare in June is currently the most expensive (average of $760). 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
Ennis

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.

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 November 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$544Average$809FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$597Average$843FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$736Average$1,042FlexibilityNo cancel feeOn-time70%

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.