CHI - SNN

€248 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 29/9. 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.
1 adult
1 adult, Economy

KAYAK searches 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
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Flight Deals

Cheap Flights from Chicago to Shannon (CHI-SNN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Chicago to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Chicago to Shannon

Tue, 30 Sep - Tue, 7 Oct
United Airlines Logo
16:50 - 10:15ORD-SNN
11h 25m1 stop
United Airlines Logo
12:30 - 23:15SNN-ORD
16h 45m2 stops
€474United Airlines
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Tue, 4 Nov - Tue, 11 Nov
American Airlines Logo
18:30 - 11:30ORD-SNN
11h 00m1 stop
American Airlines Logo
07:50 - 15:25SNN-ORD
13h 35m1 stop
€513American Airlines
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Tue, 4 Nov - Tue, 11 Nov
Multiple Airlines Logo
12:50 - 11:30ORD-SNN
16h 40m2 stops
Multiple Airlines Logo
07:50 - 20:00SNN-ORD
18h 10m2 stops
€591Multiple Airlines
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Tue, 4 Nov - Tue, 11 Nov
Multiple Airlines Logo
06:00 - 06:20ORD-SNN
18h 20m2 stops
Multiple Airlines Logo
10:45 - 15:00SNN-ORD
34h 15m3 stops
€604Multiple Airlines
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Wed, 1 Oct - Tue, 14 Oct
Aer Lingus Logo
15:45 - 16:10ORD-SNN
18h 25m2 stops
Aer Lingus Logo
21:15 - 14:00SNN-ORD
22h 45m2 stops
€621Aer Lingus
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Fri, 31 Oct - Fri, 7 Nov
Air Canada Logo
15:40 - 15:45ORD-SNN
19h 05m2 stops
Air Canada Logo
07:50 - 20:00SNN-ORD
18h 10m2 stops
€626Air Canada
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Sun, 23 Nov - Sat, 29 Nov
Air Canada Logo
15:55 - 11:30ORD-SNN
37h 35m2 stops
Air Canada Logo
17:25 - 15:10SNN-ORD
51h 45m2 stops
€675Air Canada
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Sun, 9 Nov - Sun, 16 Nov
British Airways Logo
18:30 - 11:30ORD-SNN
11h 00m1 stop
British Airways Logo
07:50 - 18:45SNN-ORD
16h 55m1 stop
€807British Airways
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Sun, 23 Nov - Sat, 29 Nov
British Airways Logo
21:45 - 16:45ORD-SNN
13h 00m1 stop
British Airways Logo
17:25 - 15:25SNN-ORD
28h 00m1 stop
€1,019British Airways
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Sun, 21 Dec - Wed, 31 Dec
Aer Lingus Logo
19:40 - 16:45ORD-SNN
15h 05m2 stops
Aer Lingus Logo
07:50 - 13:50SNN-ORD
12h 00m1 stop
€1,226Aer Lingus
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Everything you should know

When to book
5 weeks
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 17% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 26% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
€474
Overall average: €631
United Airlines
Tue 30/9Tue 7/10
ORD - SNN • 1 stop
Cheapest one-way flight
€248
Multiple Airlines
Mon 29/9
MDW - SNN • 3 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Shannon!
Booking Insights

KAYAK's insights & trends for Chicago to Shannon flights

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 round-trip 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 January, where tickets cost €526 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is €994 and €971 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip 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 week.

To get a below average price on the flight from Chicago to Shannon, you should book around 5 weeks before departure, which saves you about 17% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight€248
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from Chicago Midway 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 €294 for a one-way ticket and €561 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?

    Star Alliance, and oneworld 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.

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

Information on your arrival and departure airports

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