$743 Cheap Flights from Shannon (SNN) to Chicago O'Hare International (ORD) in 2025

Compare Shannon to Chicago O'Hare International flight deals

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Direct flight

Your route at a glance

Cheapest deal$743

Cheapest monthSeptember

Average flight duration8 hours and 15 minutes

Flight deals from Shannon to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Shannon to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

Chicago.$743 per passenger.Departing Mon, 1 Sep, returning Mon, 15 Sep.Return flight with United.Outbound direct flight with United departs from Shannon on Mon, 1 Sep, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Mon, 15 Sep, arriving in Shannon.Price includes taxes and charges.From $743, select.

Chicago.$753 per passenger.Departing Fri, 17 Oct, returning Tue, 21 Oct.Return flight with United.Outbound indirect flight with United, departs from Shannon on Fri, 17 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Tue, 21 Oct, arriving in Shannon.Price includes taxes and charges.From $753, select.

Chicago.$904 per passenger.Departing Fri, 29 Aug, returning Sun, 7 Sep.Return flight with Air France.Outbound indirect flight with Air France, departs from Shannon on Fri, 29 Aug, arriving in Chicago O'Hare International.Inbound indirect flight with Air France, departs from Chicago O'Hare International on Sun, 7 Sep, arriving in Shannon.Price includes taxes and charges.From $904, select.

Chicago.$906 per passenger.Departing Fri, 31 Oct, returning Sat, 8 Nov.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Shannon on Fri, 31 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with Icelandair, departs from Chicago O'Hare International on Sat, 8 Nov, arriving in Shannon.Price includes taxes and charges.From $906, select.

Chicago.$923 per passenger.Departing Wed, 24 Sep, returning Wed, 1 Oct.Return flight with United.Outbound indirect flight with United, departs from Shannon on Wed, 24 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Wed, 1 Oct, arriving in Shannon.Price includes taxes and charges.From $923, select.

Chicago.$949 per passenger.Departing Sat, 1 Nov, returning Wed, 5 Nov.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Shannon on Sat, 1 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with Aer Lingus, departs from Chicago O'Hare International on Wed, 5 Nov, arriving in Shannon.Price includes taxes and charges.From $949, select.

Chicago.$949 per passenger.Departing Mon, 13 Apr, returning Thu, 23 Apr.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Shannon on Mon, 13 Apr, arriving in Chicago O'Hare International.Inbound indirect flight with Aer Lingus, departs from Chicago O'Hare International on Thu, 23 Apr, arriving in Shannon.Price includes taxes and charges.From $949, select.

Chicago.$955 per passenger.Departing Tue, 10 Mar, returning Sun, 15 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Shannon on Tue, 10 Mar, arriving in Chicago O'Hare International.Inbound indirect flight with British Airways, departs from Chicago O'Hare International on Sun, 15 Mar, arriving in Shannon.Price includes taxes and charges.From $955, select.

Find the cheapest month to fly from Shannon to Chicago O'Hare International

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

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Direct flights from Shannon to Chicago O'Hare International

Shannon to Chicago O'Hare International: Alternative routes

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

Finding cheap flights from Shannon to Chicago O'Hare International: Frequently asked questions

How much are return flights from Shannon to Chicago O'Hare International?

The best price we found for a return flight from Shannon to Chicago O'Hare International is $743. 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 Shannon to Chicago O'Hare International?

8 hours and 15 minutes is the average flight time from Shannon to Chicago O'Hare International.

Which airlines fly direct from Shannon to Chicago O'Hare International?

United flies direct from Shannon to Chicago O'Hare International.

How many flights are there a week from Shannon to Chicago O'Hare International?

As of August 2025, there are 10 flights per week flying from Shannon to Chicago O'Hare International.

When is the cheapest time to fly from Shannon to Chicago O'Hare International?

The cheapest month to fly from Shannon to Chicago O'Hare International is usually September.

Which upcoming date is cheapest to fly from Shannon Airport to Chicago O'Hare International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Shannon Airport to Chicago O'Hare International Airport on Monday, 1 September 2025.

Can I get a direct flight from Shannon Airport to Chicago O'Hare International Airport?

Yes – the average flight time is 8 hours and 15 minutes.

How can I find the best flight deal to Chicago O'Hare International?

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 Chicago O'Hare International 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 Chicago?

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

Which is the cheapest airline to fly from Shannon Airport to Chicago O'Hare International with?

Currently, United offers the cheapest flight tickets to Chicago O'Hare International.

Travelling from Shannon Airport (SNN) to O'Hare International Airport (ORD): what you need to know

Around 8 hours 15 minutes is how long you can expect to be in the air on a direct flight from Shannon Airport to O'Hare International Airport.
The timezone in Chicago is UTC-5, which is five hours behind Shannon.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport with enough time to catch your SNN to ORD flight.
Flying during a peak month like August? Major public holidays and other high seasons can lead to longer queues and delays at airport checkpoints. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.
United Airlines has direct flights from Shannon Airport to O'Hare International Airport. Book with this popular airline, then get ready to tick off the sights in Chicago — and maybe even more of United States if your schedule allows.
United Airlines is the most frequently booked airline on this route.
Think about adding a stopover when booking your ticket from Shannon Airport to O'Hare International Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Check out these options between SNN and ORD:
- Logan International Airport
- London Heathrow Airport
- John F. Kennedy International Airport

How to find the cheapest flights from Shannon Airport (SNN) to O'Hare International Airport (ORD)

At the moment, $585 is the lowest price we've seen for a one-way Shannon Airport to O'Hare International Airport flight. The best price for a return ticket is $743. Bear in mind that fares could change due to demand when booking.
To secure cheap tickets from SNN to ORD, book your journey eight months before your departure.
The cheapest month for flights from Shannon Airport to O'Hare International Airport is July. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.
You won't have to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know as soon as the price changes on cheap flights from SNN to ORD.
Lock in the right flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Shannon Airport to O'Hare International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Shannon Airport (SNN)

When it comes to Shannon Airport's on-time performance, data shows 66.14% of flights complete their journey on time.
Central Shannon to Shannon Airport is around 5 kilometres. Depending on traffic, it'll take about 5 minutes to get there if you're catching a cab, ride-sharing or driving.
The trip when using public transport takes roughly 10 minutes.
Looking for a convenient hotel close to SNN? If you're boarding an early flight from Shannon Airport to O'Hare International Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at O'Hare International Airport (ORD)

The last thing you want is a lengthy trip to your hotel if you're landing late on a Shannon Airport to O'Hare International Airport flight. Check in to one of these accommodation options near ORD instead:
Fast-track your adventure by picking up an O'Hare International Airport rental car. Grab a set of wheels from Routes Car Rentals, Dollar or Budget to explore Chicago and beyond.
To lock in the lowest price, book your vehicle from O'Hare International Airport about four weeks before you travel.

Getting from O'Hare International Airport (ORD) to central Chicago

ORD is located at 10000 West O'Hare.
O'Hare International Airport to central Chicago has a drive time of around 35 minutes. It's approximately 40 kilometres away.
It typically takes 55 minutes if you're using public transport.

When to fly to O'Hare International Airport (ORD)

August is the most popular month for flights from Shannon Airport to O'Hare International Airport. For a quieter experience, go to Chicago in January.
The warmest month in Chicago is July, with the temperature ranging between 15ºC (59ºF) and 29ºC (84ºF). Book your flights from Shannon Airport to O'Hare International Airport in this month if this is the type of weather you enjoy.
January has average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Search for cheap tickets from SNN to ORD around that time if you'd rather travel in cooler conditions.

Explore more of United States

You've visited Chicago, now it's time to explore more of United States. Journey about 451 kilometres south-east to Columbus to tick off its top sights. From Franklin Park Conservatory and Botanical Gardens to Ohio Statehouse and German Village, you've got a jam-packed schedule ahead.
Around 257 kilometres south-east of Chicago, Indianapolis is another favourite stop in United States. No visit is complete without checking out The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.