CHI - SNN

€260 Find cheap flights from Chicago to Shannon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Shannon departing on 18/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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0 bags

Search hundreds of travel sites at once for deals on flights to Shannon

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Shannon, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Shannon, as well as popular online travel agencies
In the last 7 days, travellers have searched 46,646,933 times on KAYAK, and here's why:

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Cheap flight deals from Chicago to Shannon (CHI-SNN)

 
These are the cheapest deals for flights from Chicago to Shannon currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Chicago to Shannon

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Chicago to Shannon.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
22:00 - 16:45ORD-SNN
12h 45m1 stop
07:45 - 14:45SNN-ORD
13h 00m1 stop
€521American Airlines
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Mon, 13 Jan - Fri, 24 Jan
21:55 - 16:45ORD-SNN
12h 50m1 stop
07:45 - 19:26SNN-ORD
17h 41m2 stops
€531American Airlines
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Mon, 17 Feb - Tue, 25 Feb
11:35 - 16:45ORD-SNN
23h 10m2 stops
17:30 - 14:45SNN-ORD
51h 15m2 stops
€676Air Canada
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Mon, 17 Feb - Tue, 25 Feb
07:20 - 16:45ORD-SNN
27h 25m2 stops
07:45 - 18:50SNN-ORD
41h 05m2 stops
€677Air Canada
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Sun, 12 Jan - Tue, 21 Jan
20:30 - 06:15ORD-SNN
27h 45m1 stop
20:05 - 13:55SNN-ORD
23h 50m1 stop
€713
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Mon, 6 Jan - Mon, 13 Jan
08:50 - 10:30ORD-SNN
19h 40m2 stops
12:30 - 17:17SNN-ORD
10h 47m1 stop
€731United Airlines
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Wed, 7 May - Thu, 15 May
14:00 - 10:30ORD-SNN
14h 30m2 stops
09:30 - 11:45SNN-ORD
8h 15mdirect
€749United Airlines
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Mon, 19 May - Wed, 28 May
16:40 - 16:45ORD-SNN
18h 05m2 stops
17:30 - 19:50SNN-ORD
32h 20m2 stops
€775British Airways
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Mon, 6 Jan - Mon, 13 Jan
15:55 - 16:45ORD-SNN
18h 50m2 stops
17:30 - 14:00SNN-ORD
26h 30m2 stops
€831British Airways
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Mon, 2 Dec - Fri, 13 Dec
15:40 - 16:05ORD-SNN
18h 25m2 stops
21:25 - 14:54SNN-ORD
23h 29m2 stops
€955
Find Deal
Sun, 18 May - Mon, 26 May

Flights from Chicago to Shannon - Travel Insights & Trends

Get data-powered insights and trends into flights from Chicago to Shannon to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Chicago to Shannon?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Chicago to Shannon, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Chicago to Shannon is March, where tickets cost €510 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is €1,152 and €997 respectively.

How far in advance should I book a flight from Chicago to Shannon?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Chicago to Shannon, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Chicago to Shannon, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 91 days before departure.

Good to know

Low season

February

High season

September

Cheapest flight

€260
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly and prices are also 15% lower on average.
Flight from Chicago O'Hare Airport to Shannon

When to book flights from Chicago to Shannon

Are your dates flexible? Find out the best times to travel from Chicago to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Chicago to Shannon

  • What is the cheapest flight from Chicago to Shannon?

    In the last 3 days, the lowest price for a flight from Chicago to Shannon was €273 for a one-way ticket and €548 for a return.

  • Which airports will I be using when flying from Chicago to Shannon?

    There are 2 airports in Chicago (Chicago Midway and Chicago O'Hare Intl.) and only 1 airport in Shannon (Shannon). The cheapest flights are generally found on the Chicago O'Hare Airport to Shannon flight route.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Shannon?

    Finnair, and American Airlines offer inflight Wi-Fi service on the Chicago to Shannon flight route.

  • Which aircraft models fly most regularly from Chicago to Shannon?

    The Boeing 757-200 is the aircraft model that flies most regularly on the Chicago to Shannon flight route.

  • Which airline alliances offer flights from Chicago to Shannon?

    oneworld, and Star Alliance are the airline alliances operating flights between Chicago and Shannon, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Chicago to Shannon?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Shannon.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Shannon?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Shannon?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Shannon?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Chicago to Shannon

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Chicago to Shannon found on KAYAK in the last 72 hours.
18/1Sat
2 stops
38h 28mORD-SNN
€260
18/1Sat
3 stops
21h 35mORD-SNN
€365
5/1Sun
2 stops
35h 45mORD-SNN
€374
5/1Sun
3 stops
35h 45mORD-SNN
€376
23/4Wed
2 stops
21h 25mORD-SNN
€399
18/1Sat
1 stopAmerican Airlines
15h 25mORD-SNN
€414
5/1Sun
2 stopsAmerican Airlines
14h 30mORD-SNN
€473
14/4Mon
1 stopAmerican Airlines
13h 40mORD-SNN
€475
14/4Mon
2 stopsUnited Airlines
14h 30mORD-SNN
€482
17/4Thu
2 stopsUnited Airlines
15h 45mORD-SNN
€539

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Last minute flights from Chicago to Shannon

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Chicago to Shannon that are departing in the next 10 days.
25/11Mon
multi-stopAer Lingus
15h 05mORD-SNN
9/12Mon
multi-stopAer Lingus
23h 55mSNN-ORD
€765
25/11Mon
multi-stopAmerican Airlines
12h 40mORD-SNN
9/12Mon
multi-stopAmerican Airlines
15h 15mSNN-ORD
€770
25/11Mon
multi-stopAmerican Airlines
15h 20mORD-SNN
9/12Mon
multi-stopAmerican Airlines
17h 43mSNN-ORD
€780
25/11Mon
multi-stop
15h 25mORD-SNN
9/12Mon
multi-stop
19h 37mSNN-ORD
€980
24/11Sun
multi-stopAir Canada
20h 40mORD-SNN
2/12Mon
multi-stopAir Canada
32h 02mSNN-ORD
€991
24/11Sun
multi-stopAir Canada
20h 40mORD-SNN
2/12Mon
multi-stopAir Canada
32h 02mSNN-ORD
€1,024
24/11Sun
multi-stopBritish Airways
10h 55mORD-SNN
2/12Mon
multi-stopBritish Airways
26h 55mSNN-ORD
€1,039
24/11Sun
multi-stopBritish Airways
12h 40mORD-SNN
2/12Mon
multi-stopBritish Airways
26h 55mSNN-ORD
€1,066
24/11Sun
multi-stopBritish Airways
15h 20mORD-SNN
2/12Mon
multi-stopBritish Airways
27h 38mSNN-ORD
€1,080
24/11Sun
multi-stop
15h 25mORD-SNN
2/12Mon
multi-stop
21h 15mSNN-ORD
€1,390

Search by stops

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Search by price

Everything you need to know for your flight from Chicago to Shannon

Information on your arrival and departure airports

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