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CHI - SNN

Find Cheap Flights from Chicago to Shannon – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Direct flights
Not available
There are currently no direct flights between Chicago and Shannon. You'll need to take a connecting flight to reach the destination.
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Avoid delays
United Airlines
Most punctual • 65% on-time
Evening
Best time • Fewest delays
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Insights
When to book
22 weeks
in advance
Our data shows that travellers who book at least 22 weeks in advance save around 48% compared to booking last minute.
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Insights
When to travel
April
Cheapest • 33% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
London Heathrow (LHR)
Cheapest • Avg €624 (return)
Boston Logan Intl (BOS)
Shortest trip • 11h 13m (one-way)
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Cheap Flights from Chicago to Shannon (CHI-SNN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Chicago to Shannon

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CHI  Chicago All airports-SNN Shannon Airport
9252 kmmulti-stop
Multiple Airlines Logo
SNN  Shannon Airport-CHI Chicago All airports
9252 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Chicago to Shannon flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Chicago to Shannon flight route?

There's little price difference between Chicago to Shannon routes. They average around €774 return, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Chicago to Shannon. It’s 11% cheaper than the average day, while Saturday is the most expensive, with prices 12% higher.

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

•April is the cheapest month to fly from Chicago to Shannon at €519 return.
•June (€977) and July (€864) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 88% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Chicago to Shannon the cheapest?

Flights from Chicago to Shannon are cheapest 22 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Chicago to Shannon flights

Low season

January
Beat the crowds with an average 78% drop in traveller numbers.
The most popular month to fly with an average 57% increase in traveller numbers.

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

Your Chicago to Shannon flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Chicago to Shannon?

    A direct flight from Chicago to Shannon takes 00m, covering 9,252 km.

  • Do I need a passport to fly from Chicago to Shannon?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Chicago to Shannon flight?

    Return flights from Chicago to Shannon range from €622 to €935, with an average of €774 over the past 12 months. Anything below €622 counts as a good deal.

  • How expensive are last-minute Chicago to Shannon flights?

    Last-minute fares on this route (booked within two weeks of departure) run 54% above the €774 route average. Book 22 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Chicago to Shannon?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €624 return via London Heathrow (LHR), compared with €799 for direct.

  • How does on-time performance compare across airlines flying from Chicago to Shannon?

    United Airlines is the only airline operating Chicago to Shannon flights. 65% of its flights are on time.

  • What is the standard checked bag allowance on flights from Chicago to Shannon?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €67–€89 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which car hire options are available at Shannon Airport (SNN)?

    Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:

    • Budget
    • Sixt
    • Europcar
    • Thrifty
    • Easirent

  • Which airports can I use when flying from Chicago to Shannon?

    Flights from Chicago to Shannon may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Shannon (SNN).

  • What time of day has the fewest delays on flights from Chicago to Shannon?

    Evening flights have the fewest delays on this route.

  • At what point is a flight considered delayed on the route from Chicago to Shannon?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Shannon route, 35% of flights were delayed in the past three months, with delays averaging 2h 41m.

  • Which airports do connecting flights from Chicago to Shannon pass through?

    One-stop flights from Chicago to Shannon most commonly connect through:

    • London Heathrow (LHR) – 46% of one-stop connections
    • Newark (EWR) – 19% of one-stop connections
    • Frankfurt am Main (FRA) – 18% of one-stop connections
    • Boston Logan Intl (BOS) – 12% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago to Shannon?

    Yes. Flexible dates can save you up to 21% on flights from Chicago to Shannon. Wednesday is the cheapest departure day at €690 return on average, while Saturday is the most expensive at €867, a difference of €177.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Chicago to Shannon?

    Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time of 11h 13m, compared to 12h 14m via London Heathrow (LHR) and 12h 22m via Newark (EWR).

  • What is the time difference between Chicago and Shannon?

    Shannon is 6 hours ahead of Chicago (Irish Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which airlines offer extra legroom and free seat selection on Chicago to Shannon flights?

    Among airlines operating Chicago to Shannon flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Chicago to Shannon flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy class
    • Lufthansa: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Chicago to Shannon flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average €690, about €177 less than Saturday fares (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago to Shannon trip for April. Fares historically average €519 return in that month – typically €458 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through London Heathrow Airport (LHR) can be cheaper than flying direct. The cheapest stopover option averages €624 return on this route – about €175 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Shannon Airport.

    • Park Inn by Radisson Shannon Airport
    • Treacys Oakwood Hotel, Shannon
    • Carrygerry Country House

More options for your flight from Chicago to Shannon

Complete your trip to Shannon with a hotel stay or car hire

Car hire in Shannon
Hotels in Shannon
Holidays in Shannon