596 € Cheap Flights from Chicago to Shannon

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Compare Chicago to Shannon flight deals

Find the cheapest month or even day of the year to fly to Shannon

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Flight deals from Chicago to Shannon

Looking for a cheap last-minute deal or the best return flight from Chicago to Shannon Airport? If you want to travel next month, return fares start from 647 €. Find the lowest prices on one-way and return tickets right here.

Shannon.596 € per passenger.Departing Tue, 20 Oct, returning Fri, 30 Oct.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 20 Oct, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Fri, 30 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From 596 €, select.

Shannon.617 € per passenger.Departing Thu, 15 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 15 Oct, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Mon, 2 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From 617 €, select.

Shannon.626 € per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with jetBlue and Ryanair.Outbound indirect flight with jetBlue, departs from Chicago O'Hare International on Tue, 29 Sep, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Tue, 6 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From 626 €, select.

Shannon.633 € per passenger.Departing Wed, 4 Nov, returning Wed, 11 Nov.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Wed, 4 Nov, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Wed, 11 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From 633 €, select.

Shannon.647 € per passenger.Departing Tue, 8 Sep, returning Wed, 30 Sep.Return flight with Porter Airlines and Ryanair.Outbound indirect flight with Porter Airlines, departs from Chicago Midway on Tue, 8 Sep, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Wed, 30 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From 647 €, select.

Shannon.656 € per passenger.Departing Fri, 16 Apr, returning Fri, 23 Apr.Return flight with United.Outbound indirect flight with United, departs from Chicago O'Hare International on Fri, 16 Apr, arriving in Shannon.Inbound indirect flight with United, departs from Shannon on Fri, 23 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From 656 €, select.

Shannon.678 € per passenger.Departing Sun, 6 Sep, returning Tue, 15 Sep.Return flight with Lufthansa.Outbound direct flight with Lufthansa departs from Chicago O'Hare International on Sun, 6 Sep, arriving in Shannon.Inbound direct flight with Lufthansa departs from Shannon on Tue, 15 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From 678 €, select.

Shannon.685 € per passenger.Departing Mon, 1 Feb, returning Mon, 8 Feb.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Mon, 1 Feb, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Mon, 8 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From 685 €, select.

Shannon.685 € per passenger.Departing Mon, 28 Dec, returning Thu, 7 Jan.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Mon, 28 Dec, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Thu, 7 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From 685 €, select.

Shannon.690 € per passenger.Departing Mon, 31 Aug, returning Tue, 8 Sep.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Mon, 31 Aug, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Tue, 8 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From 690 €, select.

Shannon.694 € per passenger.Departing Mon, 1 Mar, returning Mon, 8 Mar.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Mon, 1 Mar, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Mon, 8 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From 694 €, select.

Shannon.705 € per passenger.Departing Thu, 3 Dec, returning Fri, 11 Dec.Return flight with Icelandair and Ryanair.Outbound indirect flight with Icelandair, departs from Chicago O'Hare International on Thu, 3 Dec, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Fri, 11 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From 705 €, select.

Shannon.746 € per passenger.Departing Thu, 27 May, returning Thu, 3 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Thu, 27 May, arriving in Shannon.Inbound indirect flight with Delta, departs from Shannon on Thu, 3 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From 746 €, select.

Shannon.755 € per passenger.Departing Thu, 27 May, returning Fri, 4 Jun.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Thu, 27 May, arriving in Shannon.Inbound direct flight with United departs from Shannon on Fri, 4 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From 755 €, select.

Shannon.755 € per passenger.Departing Tue, 18 May, returning Thu, 27 May.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Chicago O'Hare International on Tue, 18 May, arriving in Shannon.Inbound indirect flight with Lufthansa, departs from Shannon on Thu, 27 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From 755 €, select.

Shannon.779 € per passenger.Departing Sun, 16 Aug, returning Wed, 26 Aug.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Sun, 16 Aug, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Wed, 26 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From 779 €, select.

Find the cheapest month to fly from Chicago to Shannon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Shannon flights are currently cheapest in October.

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Direct flights from Chicago to Shannon

Chicago to Shannon: Alternative routes

Compare routes from Chicago to Shannon below. You may find an airport to fly into that's cheaper, faster, or easier than Shannon.

Chicago to Shannon: Flight information

The things to know before you go.

Cheapest flight found	596 €
Cheapest month to fly	October
Average flight time	7 hrs, 25 mins
Most popular airline	Air Canada
Average flights per week	18

Finding cheap flights from Chicago to Shannon: Frequently asked questions

How much are return flights from Chicago to Shannon?

The best price we found for a return flight from Chicago to Shannon is 596 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Chicago to Shannon?

7 hours and 25 minutes is the average flight time from Chicago to Shannon.

Which airlines fly direct from Chicago to Shannon?

Air Canada, Lufthansa and United fly direct from Chicago to Shannon.

How many flights are there a week from Chicago to Shannon?

As of August 2026, there are 18 flights per week flying from Chicago to Shannon.

When is the cheapest time to fly from Chicago to Shannon?

The cheapest month to fly from Chicago to Shannon is usually October.

Which upcoming date is cheapest to fly from Chicago to Shannon Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Shannon Airport on Tuesday, 20 October 2026.

Can I get a direct flight from Chicago to Shannon Airport?

Yes – the average flight time is 7 hours and 25 minutes.

How can I find the best flight deal to Shannon?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Shannon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Shannon?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Shannon is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Chicago to Shannon Airport (SNN): What you need to know

Chicago's main base, Chicago O'Hare International Airport (ORD), is where many great holidays begin. Explore the departure options from here when planning your flight from Chicago to Shannon Airport (SNN).
The average length of a direct Chicago to Shannon Airport flight is 7 hours 25 minutes.
Shannon is six hours ahead of Chicago. Shannon Airport is located in Shannon, which runs on the UTC+0 timezone.
Chicago O'Hare International Airport (ORD) to Shannon Airport (SNN) is the most popular route, with 2 direct services each week. You can travel from ORD to SNN on United Airlines's 6pm flight.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to board your flight from Chicago to SNN.
Hopping on a plane during a peak time like July? Popular seasons (like Thanksgiving, Christmas and spring break) can add another hour at check-in and security. Be extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

Chicago O'Hare International Airport (ORD) will have you travelling directly to your destination. Nonstop flights from Chicago to Shannon Airport (SNN) depart from this terminal.
When jetting out of ORD, you can catch a direct flight from Chicago to Shannon Airport with United Airlines.
United is the most frequently chosen airline for flights from ORD to SNN.
A stopover is the ideal opportunity to take a break from travelling and possibly even explore another city. When browsing cheap flights from Chicago to SNN departing from Chicago O'Hare International Airport (ORD), uncheck the 'Direct flights only' box to discover where you can stop along the way. Top options include:
- New York John F. Kennedy International Airport (JFK)
- Newark Liberty International Airport (EWR)
- Boston Logan International Airport (BOS)
ORD is about 27 kilometres from central Chicago. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 30 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 45 minutes.
Have an early flight from Chicago to Shannon Airport? Avoid the mad dash to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to Chicago O'Hare International Airport:
When it comes to the on-time performance of Chicago O'Hare International Airport, 70% of flights meet their scheduled arrival time.
You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

Add a little extra to your holiday with a stopover on your flight from Chicago to Shannon Airport. Boston Logan International Airport (BOS) is a popular option between Chicago Midway International Airport and SNN.
You can get to MDW from central Chicago in about 25 minutes by car (depending on traffic). The journey by public transport takes roughly 30 minutes to travel the 16 kilometres or so.
Start your holiday sooner with an extra night away from home. Before your Chicago to SNN flight, kick back in one of these hotels near Chicago Midway International Airport:
76% of flights out of Chicago Midway International Airport stick to their scheduled arrival time.
MDW is located at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

RFD is around 145 kilometres from central Chicago. The drive from the city centre to the terminal takes about 1 hour 40 minutes. If you're thinking about using public transport, expect a journey time of around 2 hours.
Sleep a little longer, move a little slower, and still make your Chicago to Shannon Airport flight with time to spare. These accommodation options near Chicago Rockford International Airport make departure day effortless if you're setting off early:
Flights that take off from RFD land at their destination within the expected time frame 71% of the time.
Chicago Rockford International Airport is located at 2 Airport Cir.

About Shannon Airport (SNN)

Have a late flight from Chicago to Shannon Airport? Don't let it leave you bleary-eyed. Stay at one of these hotels near SNN and turn out the lights sooner:
Booking your ride around four weeks in advance of your Chicago to Shannon Airport flight can help you secure the lowest rate.

Getting from Shannon Airport (SNN) to central Shannon

Central Shannon is about 3 kilometres from Shannon Airport. Travel times by taxi or car hire will vary depending on time of day and traffic conditions, so do a little research ahead of your trip.
It takes roughly 15 minutes if you're travelling on public transport.

How to find the cheapest flights from Chicago to Shannon Airport (SNN)

Right now, 232 € is the best price we've found for a one-way ticket from Chicago to Shannon Airport. The cheapest price for a return flight is 596 €. Remember fares may change due to demand at the time of booking.
Snap up cheap flights from Chicago to SNN by booking three months ahead. According to our research, that's the sweet spot for landing a bargain.
August is when you're most likely to find a good deal on a Chicago to Shannon Airport ticket. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.
Finding a cheap plane ticket from Chicago to SNN is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as there's a price drop.
Filters make it easier to snap up a deal on your flight from Chicago to Shannon Airport. Pick the airlines, flight times and stops that match your plans. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Chicago to Shannon Airport (SNN)

June is when most people book flights from Chicago to Shannon Airport (SNN). Plan your visit to Shannon in December for a quieter experience.
The warmest month in Shannon is July, with temperatures ranging between 9ºC (48ºF) and 22ºC (72ºF). Book your Chicago to SNN plane ticket then if that's your definition of good weather.
January sees temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from Chicago to Shannon Airport around that time if you like cooler conditions.

More about Shannon

When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Shannon right here. Check out these options after locking in your flight from Chicago to Shannon Airport:
There are so many things to see and do in this city, it can be difficult to know where to start. View Point Bunratty Castle, Mooghaun Hill Fort and Shannon Aviation Museum are leading attractions which should feature on any good Shannon itinerary.

Explore more of Ireland

Shannon has loads to offer, but there are so many other parts of Ireland you'll want to see. Around 193 kilometres northeast of Shannon, a trip to Dublin will keep you busy. Start with popular sights like Guinness Storehouse, Trinity College Library and St. Patrick's Cathedral.