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Shannon

$326+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SNN
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Find cheap flights from Chicago to Shannon with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Shannon are usually found in August or September, booked 85 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 February 2, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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 8/116:28 pm
ORD
-
SNN
1 stop9h 47m
United Airlines
Wed 8/269:30 am
SNN
-
ORD
Nonstop8h 20m
United Airlines
Deal found 2/1$480
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/213:35 pm
ORD
-
SNN
1 stop12h 40m
United Airlines
Tue 5/512:30 pm
SNN
-
ORD
1 stop11h 51m
United Airlines
Deal found 2/2$490
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/211:00 pm
ORD
-
SNN
2 stops15h 15m
United Airlines
Tue 4/2812:30 pm
SNN
-
ORD
2 stops12h 52m
United Airlines
Deal found 2/2$495
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/213:35 pm
ORD
-
SNN
1 stop12h 40m
United Airlines
Thu 4/3012:30 pm
SNN
-
ORD
1 stop11h 51m
United Airlines
Deal found 2/1$515
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 5/36:15 pm
ORD
-
SNN
1 stop10h 00m
United Airlines
Wed 5/1312:30 pm
SNN
-
ORD
1 stop11h 51m
United Airlines
Deal found 1/31$529
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/2912:50 pm
ORD
-
SNN
1 stop15h 25m
United Airlines
Fri 5/812:30 pm
SNN
-
ORD
1 stop11h 51m
United Airlines
Deal found 2/1$539
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 4/194:30 pm
ORD
-
SNN
1 stop11h 45m
United Airlines
Mon 4/2712:30 pm
SNN
-
ORD
1 stop13h 47m
United Airlines
Deal found 2/2$540
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/2011:15 am
ORD
-
SNN
2 stops17h 00m
United Airlines
Mon 4/2712:30 pm
SNN
-
ORD
2 stops12h 52m
United Airlines
Deal found 2/2$545
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/204:30 pm
ORD
-
SNN
1 stop11h 45m
United Airlines
Fri 6/59:30 am
SNN
-
ORD
Nonstop8h 20m
United Airlines
Deal found 2/2$546
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/2012:40 pm
ORD
-
SNN
2 stops15h 35m
United Airlines
Tue 6/29:30 am
SNN
-
ORD
Nonstop8h 20m
United Airlines
Deal found 2/2$550
This Delta deal was found by Cheapflights users on 2/2. 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.
Tue 8/111:05 pm
MDW
-
SNN
2 stops16h 05m
Delta
Wed 8/261:05 pm
SNN
-
MDW
2 stops28h 49m
Delta
Deal found 2/2$593
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Wed 4/297:30 am
MDW
-
SNN
1 stop16h 30m
Multiple Airlines
Fri 5/89:15 pm
SNN
-
MDW
2 stops45h 45m
Multiple Airlines
Deal found 2/1$731

Find 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 February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$490
(United Airlines)

One-way from

$326
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$666

Good round-trip deal

$524 or less

Good one-way deal

$514 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. 6% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Shannon.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Shannon.
Search Deals

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 February 2, 2026.
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 4/19

4:30 pm-10:15 am

1 stop11h 45m

Shannon

Wed 4/29

12:30 pm-6:25 pm

1 stop11h 55m

$490

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/27

2:06 pm-10:15 am

2 stops14h 09m

Shannon

Wed 5/6

12:30 pm-6:21 pm

1 stop11h 51m

$495

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/20

2:00 pm-10:15 am

2 stops14h 15m

Shannon

Wed 4/29

12:30 pm-6:25 pm

1 stop11h 55m

$495

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 4/29

10:00 am-10:15 am

2 stops18h 15m

Shannon

Wed 5/6

12:30 pm-8:18 pm

1 stop13h 48m

$544

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 4/29

10:00 am-10:15 am

2 stops18h 15m

Shannon

Sun 5/10

12:30 pm-11:44 pm

2 stops17h 14m

$594

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 5/27

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Wed 6/3

9:30 am-11:50 am

Nonstop8h 20m

$606

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 5/24

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Tue 6/2

12:30 pm-12:44 am

2 stops18h 14m

$621

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 7/27

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Thu 8/6

9:30 am-11:50 am

Nonstop8h 20m

$625

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 4/22

4:30 pm-10:15 am

1 stop11h 45m

Shannon

Mon 4/27

12:30 pm-8:17 pm

1 stop13h 47m

$639

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 5/27

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Thu 6/4

12:30 pm-8:00 pm

1 stop13h 30m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 31 results
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4

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Shannon, Clare flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 30, 2026.

Booking 84 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, January is the cheapest month in which you can book a flight from Chicago to Shannon, Clare (average of $470). 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.

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

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 172 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, United Airlines have had the lowest number of delays on this route, with just 29% of flights being 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 February 2, 2026.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Lufthansa 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
9,231 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,231 reviews
United Airlines
7.4
Good
9,231 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,212 reviews
United Airlines
7.4
Good
9,231 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,758 reviews
United Airlines
7.4
Good
9,231 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 2 different airlines.

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

    A quick flight from Chicago to Shannon, Clare can take about 11h 45m. United Airlines provides one of the quickest options available for as low as $495. Airlines will cover a distance of 3578 mi.

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

    Currently priced at $469, 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 $584. American Airlines is 42% 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 $463. While the most popular route (Chicago O'Hare Intl - Shannon) can be booked for $475 on average, our data indicates $622 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, January is the cheapest month in which you can book a flight from Chicago to Shannon, Clare (average of $470). 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
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Top 2 airlines flying from Chicago to Shannon

Discover the top 2 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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$829FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$584Average$806FlexibilityNo cancel feeOn-time69%

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