$273+ Cheap flights from Chicago (CHI) 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SNN
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Chicago 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chicago to Shannon
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to ShannonExplore the most affordable flight options available from Chicago to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Chicago to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Tue 12/16:30 pm -
3 stops21h 55m
Wed 12/96:55 pm -
3 stops28h 25m
Deal found 10/21![Multiple Airlines logo]()
$754
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Tue 11/176:30 pm -
2 stops21h 00m
Tue 11/242:35 pm -
3 stops30h 55m
Deal found 10/20![Multiple Airlines logo]()
$896
This Mytrip deal was found by Cheapflights users on 10/23. 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.
Mon 11/236:30 pm -
3 stops17h 30m
Wed 12/210:15 am -
3 stops37h 05m
Deal found 10/23![Multiple Airlines logo]()
$909
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 12/13:55 pm -
2 stops18h 50m
Wed 12/97:50 am -
2 stops16h 30m
Deal found 10/21![Aer Lingus logo]()
$916
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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.
Mon 12/78:05 pm -
2 stops17h 20m
Mon 12/148:05 pm -
2 stops24h 05m
Deal found 10/23![Aer Lingus logo]()
$925
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Wed 11/187:00 pm -
2 stops18h 25m
Tue 11/242:35 pm -
3 stops30h 55m
Deal found 10/19![Multiple Airlines logo]()
$927
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 12/19:50 pm -
1 stop15h 35m
Wed 12/98:05 pm -
2 stops24h 05m
Deal found 10/21![British Airways logo]()
$946
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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.
Mon 12/79:50 pm -
1 stop15h 35m
Mon 12/145:30 pm -
2 stops26h 40m
Deal found 10/23![British Airways logo]()
$956
Best flights from Chicago to ShannonDiscover carefully curated flight deals from Chicago to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Chicago to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 4/195:30 pm -
1 stop10h 45m
Thu 4/2212:30 pm -
1 stop15h 17m
Deal found 10/19![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 4/202:20 pm -
1 stop13h 55m
Tue 4/2712:30 pm -
2 stops13h 41m
Deal found 10/21![United Airlines logo]()
$728
Last-minute flights from Chicago to ShannonDiscover last-minute flight deals from Chicago to Shannon. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Shannon. Data last updated October 24, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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.
Sat 11/73:55 pm -
2 stops18h 50m
Wed 11/118:05 pm -
2 stops24h 05m
Deal found 10/20![Aer Lingus logo]()
$966
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 11/108:05 pm -
2 stops17h 20m
Wed 11/188:05 pm -
2 stops28h 15m
Deal found 10/20![Aer Lingus logo]()
$916
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Tue 11/176:30 pm -
2 stops21h 00m
Tue 11/242:35 pm -
3 stops30h 55m
Deal found 10/20![Multiple Airlines logo]()
$896
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 11/176:35 pm -
1 stop10h 55m
Tue 11/245:30 pm -
2 stops26h 40m
Deal found 10/20![British Airways logo]()
$946
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Wed 11/187:00 pm -
2 stops18h 25m
Tue 11/242:35 pm -
3 stops30h 55m
Deal found 10/19![Multiple Airlines logo]()
$927
This Gotogate deal was found by Cheapflights users on 10/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:05 am -
2 stops22h 25m
Tue 11/248:05 pm -
2 stops48h 57m
Deal found 10/19![Air Canada logo]()
$958
This Mytrip deal was found by Cheapflights users on 10/23. 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.
Mon 11/236:30 pm -
3 stops17h 30m
Wed 12/210:15 am -
3 stops37h 05m
Deal found 10/23![Multiple Airlines logo]()
$909
This Air Canada deal was found by Cheapflights users on 10/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:57 am -
2 stops18h 33m
Wed 12/28:05 pm -
2 stops29h 00m
Deal found 10/24![Air Canada logo]()
$987
One-way flights from Chicago to ShannonSearch for one-way flight options from Chicago to Shannon. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Chicago to Shannon. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Sun 11/88:10 pm -
3 stops39h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Tue 4/134:30 pm -
1 stop11h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 3/103:55 pm -
2 stops22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
Mon 1/49:00 pm -
2 stops34h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Fri 12/253:55 pm -
2 stops33h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$482
This FlightHub deal was found by Cheapflights users on 10/19. 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.
Sun 11/89:50 pm -
1 stop15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Aer Lingus logo]()
$589
Find flight deals from Chicago to Shannon
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $714 (United Airlines) |
One-way from | $273 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $670 |
Good round-trip deal | $874 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 October 24, 2026.
Use the filters below to find and compare flights from Chicago 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
Sun 11/8
8:10 pm-6:00 pm
2 stops39h 50m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$308
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Tue 4/13
6:00 am-10:15 am
2 stops22h 15m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
Quickest round-trip
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Wed 4/14
3:25 pm-10:15 am
1 stop12h 50m
Shannon
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$329
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Mon 4/19
5:30 pm-10:15 am
1 stop10h 45m
Shannon
Thu 4/22
12:30 pm-9:47 pm
1 stop15h 17m
$714
ChicagoShannon
ORD Chicago O'Hare Intl - SNN Shannon
ORDSNN
Chicago O'Hare Intl
Tue 4/20
2:20 pm-10:15 am
1 stop13h 55m
Shannon
Tue 4/27
12:30 pm-8:11 pm
2 stops13h 41m
$728
Sorted by cheapest first
Compare providers for flights from Chicago 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 Chicago to Shannon in October.
| 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 | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-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-Shannon, Clare flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Shannon, Clare flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-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-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 Chicago to Shannon
Have a flexible travel schedule? Discover the best time to fly to Shannon from Chicago with our price prediction graph.
CHI-SNN
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 to Shannon
CHI-SNN
ORD-SNN
How often are flights from Chicago to Shannon delayed?
About 35% of weekly flights between Chicago and Shannon have experienced delays in the past year, with the average delay time being 161 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 35% of flights being delayed.
How far ahead should I book a flight from Chicago to Shannon, Clare?
Booking 5 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Shannon, Clare. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 October 24, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andLufthansa from Chicago to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Boarding
7.7
Food
6.7
Overall
7.3
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Boarding
7.7
Food
6.7
Overall
7.3
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Boarding
7.7
Food
6.7
Overall
7.3
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Boarding
7.7
Food
6.7
Overall
7.3
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Chicago to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago to Shannon
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Complete your trip
Complete your trip to Shannon by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Shannon by cabin class
Find flights from Chicago to Shannon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Shannon flights
Browse other Chicago and Shannon flight options. Last updated on October 24, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Shannon
Explore flights to Shannon departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 24, 2026.
Top 3 airlines flying from Chicago to Shannon
Discover the top 3 airlines that operate flights from Chicago to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 24, 2026.
| 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% |