$389 Cheap Flights from Chicago (ORD) to Shannon (SNN)

View $389 flight on Tue, Mar 3, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Shannon Airport (SNN)

Cheap Flights from Chicago to Shannon (ORD-SNN)

Prices were available within the past 7 days and start at $389 for one-way flights and $473 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Aug 10 - Thu, Aug 20
ORD
Chicago
SNN
Shannon
$473 Roundtrip, found 2 days ago
$473
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 10 from Chicago to Shannon, returning Thu, Aug 20, priced at $473 found 2 days ago
United
Mon, Aug 10 - Thu, Aug 20
ORD
Chicago
SNN
Shannon
$477 Roundtrip, found 2 days ago
$477
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 10 from Chicago to Shannon, returning Thu, Aug 20, priced at $477 found 2 days ago
United
Mon, Aug 10 - Thu, Aug 20
ORD
Chicago
SNN
Shannon
$483 Roundtrip, found 2 days ago
$483
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 10 from Chicago to Shannon, returning Thu, Aug 20, priced at $483 found 2 days ago
United
Tue, Apr 28 - Fri, May 8
ORD
Chicago
SNN
Shannon
$487 Roundtrip, found 3 hours ago
$487
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Apr 28 from Chicago to Shannon, returning Fri, May 8, priced at $487 found 3 hours ago
United
Tue, Apr 28 - Fri, May 8
ORD
Chicago
SNN
Shannon
$492 Roundtrip, found 3 hours ago
$492
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Apr 28 from Chicago to Shannon, returning Fri, May 8, priced at $492 found 3 hours ago
United
Sat, Apr 4 - Tue, Apr 14
ORD
Chicago
SNN
Shannon
$492 Roundtrip, found 9 hours ago
$492
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Apr 4 from Chicago to Shannon, returning Tue, Apr 14, priced at $492 found 9 hours ago
Lufthansa
Wed, Aug 12 - Thu, Aug 20
ORD
Chicago
SNN
Shannon
$530 Roundtrip, found 8 hours ago
$530
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Wed, Aug 12 from Chicago to Shannon, returning Thu, Aug 20, priced at $530 found 8 hours ago
Air Canada
Wed, Aug 12 - Thu, Aug 20
ORD
Chicago
SNN
Shannon
$537 Roundtrip, found 8 hours ago
$537
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Wed, Aug 12 from Chicago to Shannon, returning Thu, Aug 20, priced at $537 found 8 hours ago
Delta
Tue, Aug 4 - Wed, Aug 12
ORD
Chicago
SNN
Shannon
$619 Roundtrip, found 1 day ago
$619
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 4 from Chicago to Shannon, returning Wed, Aug 12, priced at $619 found 1 day ago
American Airlines
Tue, Apr 28 - Fri, May 8
ORD
Chicago
SNN
Shannon
$670 Roundtrip, found 3 hours ago
$670
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Apr 28 from Chicago to Shannon, returning Fri, May 8, priced at $670 found 3 hours ago

Find the cheapest month to fly from Chicago (ORD) to Shannon (SNN)

August is typically the cheapest month to fly

From $535 - $1,364 per traveler.

Alternative airports near Shannon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $670
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $670

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN) cost?
Grab a cheap one-way flight from $389 or cheap return flight from $473 from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN)?
The cheapest month to fly from ORD to SNN is August, when there's less demand. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ORD to SNN flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN)?
Direct flights from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to SNN?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from ORD to SNN?
Consider booking with United Airlines if you'd like to fly straight from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN) without any holdups. This airline has the best track record for punctuality, with an on-time performance of 81%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN)?
To arrive at Shannon Airport (SNN) on schedule, choose a flight that leaves O'Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN) last-minute?
Booking your flight from ORD to SNN shortly before your trip is generally more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ORD to SNN flight and hotel package?
You can save money by booking an ORD to SNN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Shannon Airport (SNN)?
It's generally possible to reschedule or cancel your ORD to SNN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, JetBlue Airways, KLM, Lufthansa, United
Roundtrip price
$472
Distance
3580 mi

Book with confidence

Chicago to Shannon Flights

The cheapest times to fly from Chicago to Shannon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Shannon are during the month of August. You can find some of the cheapest flights from Chicago to Shannon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Shannon

Sunday is one of the best days to book for cheap flights from Chicago to Shannon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Shannon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $389 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Shannon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Shannon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Shannon Flights

Explore a world of travel with Expedia

*Available to One Key members.