CHI - SNN

$261 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 11/2. 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 round-trip 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 round-trip flight deals from Chicago to Shannon

Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
4:00 pm - 10:15 amORD-SNN
12h 15m1 stop
United Airlines Logo
12:30 pm - 6:34 pmSNN-ORD
12h 04m1 stop
$529United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
4:00 pm - 10:15 amORD-SNN
12h 15m1 stop
United Airlines Logo
12:30 pm - 8:15 pmSNN-ORD
13h 45m2 stops
$534United Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
American Airlines Logo
7:25 pm - 11:30 amORD-SNN
11h 05m1 stop
American Airlines Logo
7:50 am - 6:45 pmSNN-ORD
16h 55m1 stop
$535American Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
American Airlines Logo
10:45 pm - 4:45 pmORD-SNN
13h 00m1 stop
American Airlines Logo
7:50 am - 8:50 pmSNN-ORD
19h 00m2 stops
$545American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
6:10 pm - 11:30 amORD-SNN
12h 20m1 stop
American Airlines Logo
7:50 am - 3:25 pmSNN-ORD
13h 35m1 stop
$609American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Air Canada Logo
12:50 pm - 11:30 amORD-SNN
17h 40m2 stops
Air Canada Logo
7:50 am - 8:00 pmSNN-ORD
18h 10m2 stops
$670Air Canada
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Tue, Oct 28 - Tue, Nov 4
 Logo
10:00 am - 10:15 pmORD-SNN
31h 15m3 stops
 Logo
3:00 pm - 8:00 pmSNN-ORD
35h 00m3 stops
Mon, Oct 13 - Mon, Oct 20
 Logo
9:40 pm - 11:59 pmORD-SNN
20h 19m2 stops
 Logo
8:55 am - 7:40 pmSNN-ORD
16h 45m2 stops
Wed, Oct 1 - Wed, Oct 8
Air Canada Logo
8:40 am - 11:20 amORD-SNN
20h 40m2 stops
Air Canada Logo
9:15 pm - 8:17 pmSNN-ORD
29h 02m2 stops
$754Air Canada
Find Deal
Sun, Oct 12 - Sun, Oct 19
Aer Lingus Logo
9:15 pm - 8:35 pmORD-SNN
17h 20m2 stops
Aer Lingus Logo
9:15 pm - 1:50 pmSNN-ORD
22h 35m1 stop
$811Aer Lingus
Find Deal

Everything you should know

Top airlines
United Airlines
Cheapest • from $529 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
ORD-SNN
Cheapest
ORD-SNN
Most popular
Insights
Insights
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travelers 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 round-trip
$529
Overall average: $766
United Airlines
Tue 10/14Tue 10/21
ORD - SNN • 1 stop
Cheapest one-way
$261
Multiple Airlines
Sun 11/2
ORD - SNN • 2 stops
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KAYAK searches 100s 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.

How much is a round-trip flight from Chicago to Shannon, Clare?

What is the cheapest Chicago to Shannon flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Chicago to Shannon costs $597 on the route between Chicago O'Hare Intl Airport (ORD) and Shannon (SNN). It is also the most popular route.

What’s the cheapest day of the week to fly from Chicago to Shannon?

The average price of all round-trip flights from Chicago to Shannon clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Chicago to Shannon, look for departures on Mondays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Shannon, Monday is the cheapest day to fly and Saturday is the most expensive.

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 $623 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is $1,178 and $1,150 respectively.

Can I save money by flying with a layover from Chicago to Shannon?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $840, prices are generally cheapest when you fly direct.

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$261
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 4% increase in price.
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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 $261 for a one-way ticket and $529 for a round-trip.

  • Do I need a passport to fly between Chicago and Shannon?

    Yes, you’ll need a passport to travel to Shannon from Chicago.

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

    When flying out of Chicago you will be using one of these airports: Chicago Midway or Chicago O'Hare Intl. You will be landing at Shannon.

  • 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 is the only airline alliance operating flights between Chicago and Shannon.

  • On which days can I fly direct from Chicago to Shannon?

    There are nonstop flights from Chicago to Shannon on a daily basis.

  • Which is the best airline for flights from Chicago to Shannon, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Chicago to Shannon are United Airlines and American Airlines. With an average price for the route of $850 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $750 and an overall rating of 7.2.

  • 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 round-trip 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.

KAYAK’s top tips for finding a cheap flight from Chicago to Shannon

  • Looking for a cheap flight? 25% of our users found flights on this route for $521 or less one-way and $742 or less round-trip.

Reviews of the top 3 airlines serving from Chicago to Shannon

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Shannon. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chicago to Shannon? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8929 reviews
7.1Entertainment
7.3Comfort
7.7Boarding
8.1Crew
6.6Food
Airline reviews

Once we got in the air the pilot made up some of the time of the delay. So that was really nice.

10.0 ExcellentAnonymous, Aug 2025ORD - MEM
Read more United Airlines reviews

Once we got in the air the pilot made up some of the time of the delay. So that was really nice.

We had a layover from YVR to Denver. We bought 4 bottles of Absolut Vodka at the YVR Duty Free for $116.20, after going through security and American Customs Pre Clearance at YVR, Vancouver. When we landed in Denver, United put us behind the American Customs as well as TSA again for some reason. We were forced to go through American Customs and TSA again. TSA confiscated our rightfully owned Duty Free Absolut Vodka bottles. Because United incorrectly forced our flight behind American border and TSA again, we missed the connecting flight. After United put us on a later flight, we eventually arrived in Chicago very late, with hardly any sleep. I am looking for compensation from United for our incorrectly confiscated Absolut Vodka bottles worth $116.20, as well as compensation for incorrectly putting us behind American Customs and TSA again, causing us to miss our connecting flight, making us arrive extremely late in Chicago.

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

It was delayed instead of departing at 9:20pm, we departed at 11pm… putting us in Columbus after 2am! It was awful. Had I known about the delay, I could have spent some time in the United Lounge… I was starving because I started my journey in Budapest… so I was exhausted and hungry. Plus I had to make new arrangements to be picked up at the airport in Columbus, instead of midnight it was 2:30 am after getting luggage and out of airport. Not feasible. I would have just stayed in Chicago for the night and gotten a morning flight.

It was great, I’m very grateful for the pilots and crew flight attendants for everything.

Evidently, my seat had the only broken TV. I couldn’t plug it in, get it to come on, or watch anything, and of course, no one could fix it while we were on the plane. The service was good and the boarding was quick

The boarding of took of late.The presentation of the food was horrable as was the tast of the food was cold and tastless.

Delay and keep changing gates. I have to run around from B to C then to E.

I was charged for my daughters bag when I am supposed to receive two free checked bags with my United Explorer card.

The schedule to Moline changed 5 times. The gate changed 6 times. That is a pathetic way to run an airline. No wonder that no one in our company flies on United Express to or from Moline. Changes happen most of the time. I learned my lesson on this trip…never again!

3 hour weather delay followed by 1 hour (and counting) maintenance delay. UGH!

After we'd boarded , they canceled the flight. The crew didn't even know , we just all received text messages. Then after they deplaned us , AA was just like "too bad, go F your self, we sure ain't gonna help you"

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

Amazing food, great staff, with one noticable detail missing ...but no seat entertainment in any of aircraft ...I am not a fan

I wish American Airlines would change the airline industry by loading the plane back to front instead of front to back. Planes would board so much more smoothly and quickly.

I have long legs, my foot was out in the aisle and when a flight attendant came walking by and I didn't notice, instead of saying "excuse me" or anything like that, she kicked my foot. Extremely rude

Excellent! The gate agents were kind enough to rebook me on an earlier flight saving me from a 6 hour layover. Even my luggage made it despite the fact that the connection was technically too narrow. The flight itself was very comfortable, roomy, and clean. Plenty of space for my carryon items with plugs to charge my phone. After a long international flight of 14 hours, this was an excellent way to end my travels!

Great experience. Flight boarded easily. Departed early. Smooth flight. Great arrival in DC--almost no taxing! Almost direct to gate from runway. Crew was terrific. Same cookies and beverages in main cabin. I did not use the entertainment system on this flight.

This particular flight wasn't very full at the back, so there were three seats available for spreading out and getting relatively comfortable

Most of the delay was due to weather which is not what was at issue here. One delay was due to a missing flashlight and in the end the flashlight was actually found on the plane. The entertainment system is very limited. Live TV options offer only a few channels that are not very appealing. Boarding and deplaning are always difficult. It just takes too much time to get on and off the plane. On the plus side, I missed my connecting flight, but was easily able to book a later flight from the app while enroute.

The seating has become ridiculous… like a contest to see how narrow and short they can be made- forcing anyone over 5’1 to pay more to not be twisting oneself into a pretzel. Really insane- would have thought BA was better than this. Frankly- it cancels out a lot of the positive aspects.

flight was delayed from BWI to London - missed my connecting flight & then connecting flight (also British Air) was delayed - food is awful, TV & movie selection is great

Three major things that led to my low rating, 1. Internet wasn't available for the whole time, and 2. TV became available way into flight, after numerous system reboots, and 3. Food is not good at all.

Super tight economy class. My knees were hitting the back of seat in front of me (I'm only 5'6"). My small backpack (sized according to their required dimensions) would not fit under the seat in front of me because there is a box (is that the life jacket?) in the way. Over all, extremely uncomfortable. I forgive the tasteless food, but the tight seating was torture

Didn’t fly with them as someone had cancelled my flight

Some how my flight was canceled, neither BA or Justfly.com accepted responsibility. I only found out about this the day before when I tried to check in. I had to book another flight which due to the time ( day before) cost me $300 more. I was still receiving notifications about the flight even when I was on another flight from you. So no my flight to London was not good.

Online check-in 24 hours in advance something seems not so easy to check in to pick seats and to print a boarding pass

I like the crew, very welcoming. Food can be better. The seat arms don’t go up so. I could use the empty seat next to mine to relax better. 3hrs delay 😠

Boarding was efficient and quick, crew was very attentive, seats were comfortable.

Everything was very good! I personally struggled with the heat in the cabin for the first 2 hours

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

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