ORD - SNN

€271 Find Cheap Flights from Chicago O'Hare Airport to Shannon – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
€630
Typical prices: €611-€918
Multiple Airlines
Mon 5/11Mon 12/11
ORD - SNN • 2 stops
Cheapest one-way flight
€271
Typical prices: €479-€601
Multiple Airlines
Mon 29/10
ORD - SNN • 3 stops
Direct flights
Not available
There are currently no direct flights between Chicago O'Hare Intl Airport and Shannon. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Avoid delays
United Airlines
Most punctual • 64% on-time
Evening
Best time • Fewest delays
Insights
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.
Insights
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 €603 (return)
Boston Logan Intl (BOS)
Shortest trip • 11h 01m (one-way)
Insights
Insights
Start a new search
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We hope you enjoy your trip to Shannon!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from O'Hare Intl to Shannon (ORD-SNN)

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

Recent return flight deals from O'Hare Intl to Shannon

Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
18:30 - 18:05ORD  Chicago O'Hare Intl-SNN Shannon
17h 35m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
07:50 - 17:20SNN  Shannon-ORD Chicago O'Hare Intl
15h 30m2 stops London Heathrow Reykjavik Keflavik Intl
€630Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
18:30 - 18:05ORD  Chicago O'Hare Intl-SNN Shannon
17h 35m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
17:30 - 17:20SNN  Shannon-ORD Chicago O'Hare Intl
29h 50m2 stops London Heathrow Reykjavik Keflavik Intl
€632Multiple Airlines
Sat, 3 Oct - Sat, 10 Oct
United Airlines Logo
07:30 - 10:15ORD  Chicago O'Hare Intl-SNN Shannon
20h 45m1 stop Newark
United Airlines Logo
12:30 - 22:29SNN  Shannon-ORD Chicago O'Hare Intl
15h 59m1 stop Newark
€635United Airlines
Tue, 3 Nov - Tue, 10 Nov
Multiple Airlines Logo
18:30 - 21:30ORD  Chicago O'Hare Intl-SNN Shannon
21h 00m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
07:50 - 17:20SNN  Shannon-ORD Chicago O'Hare Intl
15h 30m2 stops London Heathrow Reykjavik Keflavik Intl
€636Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
United Airlines Logo
05:00 - 10:15ORD  Chicago O'Hare Intl-SNN Shannon
23h 15m1 stop Newark
United Airlines Logo
12:30 - 21:32SNN  Shannon-ORD Chicago O'Hare Intl
15h 02m1 stop Newark
€637United Airlines
Mon, 9 Nov - Tue, 17 Nov
Multiple Airlines Logo
18:30 - 16:45ORD  Chicago O'Hare Intl-SNN Shannon
16h 15m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
07:50 - 17:20SNN  Shannon-ORD Chicago O'Hare Intl
15h 30m2 stops London Heathrow Reykjavik Keflavik Intl
€649Multiple Airlines
Tue, 3 Nov - Tue, 10 Nov
Multiple Airlines Logo
19:15 - 19:25ORD  Chicago O'Hare Intl-SNN Shannon
18h 10m3 stops Kastrup Copenhagen Oslo Gardermoen London Heathrow
Multiple Airlines Logo
20:05 - 16:45SNN  Shannon-ORD Chicago O'Hare Intl
26h 40m2 stops London Heathrow Kastrup Copenhagen
€658Multiple Airlines
Tue, 3 Nov - Tue, 10 Nov
Multiple Airlines Logo
19:15 - 19:25ORD  Chicago O'Hare Intl-SNN Shannon
18h 10m3 stops Kastrup Copenhagen Oslo Gardermoen London Heathrow
Multiple Airlines Logo
20:05 - 16:45SNN  Shannon-ORD Chicago O'Hare Intl
26h 40m3 stops London Heathrow Oslo Gardermoen Kastrup Copenhagen
€662Multiple Airlines
Tue, 17 Nov - Wed, 25 Nov
Multiple Airlines Logo
18:30 - 21:30ORD  Chicago O'Hare Intl-SNN Shannon
21h 00m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
07:50 - 17:20SNN  Shannon-ORD Chicago O'Hare Intl
15h 30m2 stops London Heathrow Reykjavik Keflavik Intl
€668Multiple Airlines
Thu, 10 Dec - Wed, 16 Dec
Multiple Airlines Logo
18:30 - 19:25ORD  Chicago O'Hare Intl-SNN Shannon
18h 55m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
07:50 - 17:20SNN  Shannon-ORD Chicago O'Hare Intl
15h 30m2 stops London Heathrow Reykjavik Keflavik Intl
€679Multiple Airlines
Booking Insights

Price, demand, and travel trends for Chicago O'Hare Intl Airport to Shannon flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Chicago O'Hare Intl Airport to Shannon with more confidence.

What's the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Shannon?

Wednesday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Shannon and is 11% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Shannon?

•April is the cheapest month to fly from Chicago O'Hare Intl Airport to Shannon at €510 return.
•June (€959) and July (€848) 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 prices from Chicago O'Hare Intl Airport to Shannon the cheapest?

Flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Shannon flights

Low season

January

Cheapest flight

€271
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly (12% more expensive on average)
Flights from Chicago O'Hare Intl Airport to Shannon

When to book flights from O'Hare Intl to Shannon

Are your dates flexible? Find out the best times to travel from O'Hare Intl 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 O'Hare Intl Airport to Shannon flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What are the earliest and latest flights from Chicago O'Hare Intl Airport to Shannon?

    These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Shannon:

    • Earliest: departs at 18:05 and lands at 01:30
    • Latest: departs at 18:05 and lands at 01:30.

    The flight takes about 7h 25m.

  • How long is a flight from Chicago O'Hare Intl Airport to Shannon?

    A direct flight from Chicago O'Hare Intl Airport to Shannon takes 7h 25m, covering 9,267 km.

  • Do I need a passport to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Shannon flight?

    Return flights from Chicago O'Hare Intl Airport to Shannon range from €611 to €918, with an average of €761 over the past 12 months. Anything below €611 counts as a good deal.

  • How expensive are last-minute Chicago O'Hare Intl Airport to Shannon flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 54% above the route average of €761. Book 22 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Chicago O'Hare Intl Airport to Shannon?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average €603 return via London Heathrow (LHR), compared with €785 for direct.

  • How does United Airlines's on-time performance compare to other airlines on Chicago O'Hare Intl Airport to Shannon flights?

    United Airlines is the only airline operating Chicago O'Hare Intl Airport to Shannon flights. 64% of its flights are on time.

  • What is the standard checked bag allowance on flights from Chicago O'Hare Intl Airport to Shannon?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €65–€87 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Chicago O'Hare Intl Airport to Shannon?

    The Boeing 757-200 family is used most often on this route, operated mainly by United Airlines and Lufthansa. Other aircraft seen on the route include Embraer 195 variants.

  • How are flight prices from Chicago O'Hare Intl Airport to Shannon looking right now?

    One-way fares from Chicago O'Hare Intl Airport to Shannon are currently lower than usual. Average one-way flight prices are about €351, which is 34% below the typical average for this route.

  • 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 O'Hare Intl Airport to Shannon?

    Flights from Chicago O'Hare Intl Airport to Shannon usually depart from Chicago O'Hare Intl (ORD) and arrive at Shannon (SNN).

  • How do delay rates compare for morning and evening flights from Chicago O'Hare Intl Airport to Shannon?

    Evening flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • At what point is a flight considered delayed on the route from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Shannon route, 36% of flights were delayed in the past 3 months, with delays averaging 2 hours 52 minutes.

  • Which airports do connecting flights from Chicago O'Hare Intl Airport to Shannon pass through?

    One-stop flights from Chicago O'Hare Intl Airport to Shannon most commonly connect through:

    • London Heathrow (LHR) – 52% of one-stop connections
    • Newark (EWR) – 21% of one-stop connections
    • Frankfurt am Main (FRA) – 15% of one-stop connections
    • Boston Logan Intl (BOS) – 6% of one-stop connections

    London Heathrow (LHR) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Shannon?

    Yes. Being flexible with your travel dates can save you up to 21% on the Chicago O'Hare Intl Airport to Shannon route. Wednesday is the cheapest departure day at €678 return on average, while Saturday is the most expensive at €852, a difference of €174. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines are available on the route from Chicago O'Hare Intl Airport to Shannon?

    Only United Airlines operates flights between Chicago O'Hare Intl Airport and Shannon.

  • How much time can I save by choosing a different stopover airport from Chicago O'Hare Intl Airport to Shannon?

    Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time of 11h 01m, compared to 11h 45m via Newark (EWR) and 12h 24m via London Heathrow (LHR).

  • What is the time difference between Chicago O'Hare Intl Airport and Shannon?

    Shannon is 6 hours ahead of Chicago O'Hare Intl Airport (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 O'Hare Intl Airport to Shannon flights?

    Among airlines operating Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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

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

Your guide to booking Chicago O'Hare Intl Airport 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 instead of Saturday. On this route, Wednesday flights average €678 – about €174 less than Saturday (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 O'Hare Intl Airport to Shannon trip for April. Fares historically average €510 return in that month – typically €450 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 €603 return on this route – about €182 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
    - Carrygerry Country House

More options for your flight from O'Hare Intl to Shannon

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

Car hire in Shannon
Hotels in Shannon
Holidays in Shannon