$308+ Cheap flights from O'Hare Intl (ORD) to Shannon (SNN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNN
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Shannon with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Shannon are usually found in April or December, booked 10 days in advance, depart on a Wednesday or Sunday and return on a Monday
Cheap flight deals from O'Hare Intl to Shannon
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to ShannonExplore the most affordable flight options available from O'Hare Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from O'Hare Intl to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:00 pm -
2 stops12h 15m
Tue 10/612:30 pm -
2 stops24h 55m
Deal found 9/17![United Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:07 pm -
1 stop11h 08m
Sat 10/2412:30 pm -
1 stop15h 02m
Deal found 9/17![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:50 am -
2 stops19h 25m
Thu 10/112:30 pm -
1 stop16h 51m
Deal found 9/17![United Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 am -
2 stops19h 25m
Wed 10/2112:30 pm -
1 stop15h 02m
Deal found 9/16![United Airlines logo]()
$743
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:00 pm -
1 stop12h 20m
Tue 11/37:50 am -
1 stop16h 55m
Deal found 9/14![Aer Lingus logo]()
$745
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:05 pm -
1 stop11h 15m
Tue 11/37:50 am -
1 stop13h 40m
Deal found 9/13![Multiple Airlines logo]()
$746
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:05 pm -
1 stop16h 05m
Tue 11/37:50 am -
1 stop17h 40m
Deal found 9/14![British Airways logo]()
$752
This Gurufare deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:25 pm -
1 stop17h 00m
Thu 11/57:50 am -
1 stop13h 40m
Deal found 9/14![Multiple Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
1 stop12h 15m
Tue 10/2012:30 pm -
1 stop12h 09m
Deal found 9/13![United Airlines logo]()
$777
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 pm -
2 stops17h 35m
Wed 11/117:50 am -
2 stops15h 30m
Deal found 9/16![Multiple Airlines logo]()
$778
Best flights from O'Hare Intl to ShannonDiscover carefully curated flight deals from O'Hare Intl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from O'Hare Intl to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:00 am -
1 stop19h 15m
Tue 10/612:30 pm -
1 stop15h 02m
Deal found 9/17![United Airlines logo]()
$728
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:00 pm -
1 stop12h 20m
Tue 11/37:50 am -
1 stop16h 55m
Deal found 9/14![Aer Lingus logo]()
$745
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:05 pm -
1 stop16h 05m
Tue 11/37:50 am -
1 stop17h 40m
Deal found 9/14![British Airways logo]()
$752
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1110:10 am -
2 stops13h 40m
Thu 3/252:00 pm -
2 stops21h 11m
Deal found 9/14![American Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:45 am -
2 stops19h 30m
Tue 10/2012:30 pm -
1 stop15h 02m
Deal found 9/13![United Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:55 pm -
1 stop32h 20m
Mon 10/1912:30 pm -
1 stop16h 51m
Deal found 9/15![United Airlines logo]()
$743
This British Airways deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/96:50 pm -
1 stop10h 40m
Sun 2/147:50 am -
1 stop11h 55m
Deal found 9/13![British Airways logo]()
$818
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 pm -
1 stop10h 15m
Thu 10/2212:30 pm -
2 stops26h 39m
Deal found 9/15![United Airlines logo]()
$743
This British Airways deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/76:50 pm -
1 stop10h 40m
Tue 3/98:05 pm -
1 stop23h 40m
Deal found 9/15![British Airways logo]()
$939
Last-minute flights from O'Hare Intl to ShannonDiscover last-minute flight deals from O'Hare Intl to Shannon. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Shannon. Data last updated September 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:50 am -
2 stops19h 25m
Thu 10/112:30 pm -
1 stop16h 51m
Deal found 9/17![United Airlines logo]()
$742
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:00 pm -
2 stops12h 15m
Tue 10/612:30 pm -
2 stops24h 55m
Deal found 9/17![United Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:30 am -
2 stops20h 45m
Wed 10/2112:30 pm -
2 stops25h 25m
Deal found 9/16![United Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:00 pm -
1 stop12h 15m
Tue 10/2012:30 pm -
1 stop12h 09m
Deal found 9/13![United Airlines logo]()
$777
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:07 pm -
1 stop11h 08m
Sat 10/2412:30 pm -
1 stop15h 02m
Deal found 9/17![United Airlines logo]()
$738
This Justfly.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:00 pm -
1 stop12h 20m
Tue 11/37:50 am -
1 stop16h 55m
Deal found 9/14![Aer Lingus logo]()
$745
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:05 pm -
1 stop11h 15m
Tue 11/37:50 am -
1 stop13h 40m
Deal found 9/13![Multiple Airlines logo]()
$746
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:05 pm -
1 stop16h 05m
Tue 11/37:50 am -
1 stop17h 40m
Deal found 9/14![British Airways logo]()
$752
This Gurufare deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:25 pm -
1 stop17h 00m
Thu 11/57:50 am -
1 stop13h 40m
Deal found 9/14![Multiple Airlines logo]()
$772
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop17h 50m
Thu 11/52:00 pm -
2 stops16h 01m
Deal found 9/14![American Airlines logo]()
$783
One-way flights from O'Hare Intl to ShannonSearch for one-way flight options from O'Hare Intl to Shannon. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from O'Hare Intl to Shannon. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:30 pm -
2 stops18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:30 pm -
2 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:25 pm -
3 stops39h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:25 pm -
3 stops58h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 pm -
3 stops57h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:20 pm -
3 stops59h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:45 pm -
2 stops22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$411
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:00 pm -
2 stops13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Aer Lingus logo]()
$429
Find flight deals from O'Hare Intl to Shannon
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $728 (United Airlines) |
One-way from | $308 (Mytrip) |
Popular in | June |
Cheapest in | April |
Average price | $962 |
Good round-trip deal | $1,035 or less |
Good one-way deal | $542 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 18, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Shannon that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Thu 11/26
6:30 pm-10:35 pm
3 stops22h 05m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$380
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Sat 10/17
11:20 pm-4:40 pm
3 stops59h 20m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$408
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Tue 9/22
3:45 pm-8:25 pm
2 stops22h 40m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$411
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Thu 12/10
5:40 pm-3:00 pm
1 stop15h 20m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$428
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Wed 10/7
9:00 pm-4:10 pm
2 stops13h 10m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$429
Quickest round-trip
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Wed 10/7
10:59 am-6:00 am
1 stop13h 01m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$438
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Wed 9/30
3:45 pm-4:10 pm
2 stops18h 25m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$440
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Sat 10/17
8:00 pm-5:25 am
1 stop27h 25m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$463
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Thu 10/8
6:58 pm-5:20 pm
2 stops40h 22m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$474
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Sat 10/10
3:45 pm-11:20 am
2 stops13h 35m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$479
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Shannon
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Shannon in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Shannon, Clare flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Shannon, Clare flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Shannon, Clare flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Shannon, Clare flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from O'Hare Intl with our price prediction graph.
ORD-SNN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Shannon
Prices
Airlines
Delays
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Shannon, Clare?
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Shannon, Clare, you should look to book at least 9 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest time of day to fly from ORD to SNN?
Find hourly flight availability from O'Hare Intl to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2026.
When flying from Chicago O'Hare Intl Airport to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Shannon, Clare?
Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to Shannon, Clare flights typically cost between $770 and $1,023 in September.The cheapest round-trip price found within the last 5 days was $728 on United Airlines (Sep 27-Oct 6).
How often are flights from Chicago to Shannon delayed?
About 36% of weekly flights between Chicago and Shannon have experienced delays in the past year, with the average delay time being 172 minutes.
What is the most punctual flight time for Chicago to Shannon flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Shannon flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 36% of flights being delayed.
Reviews of airlines servicing Shannon
Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated September 18, 2026.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Shannon, such as United Airlines,American Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
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O'Hare Intl and Shannon flights
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Top 3 airlines flying from O'Hare Intl to Shannon
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$683 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$543 | Average$853 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$742 | Average$1,009 | FlexibilityNo cancel fee | On-time76% |