HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$237+ Cheap flights from O'Hare Intl (ORD) to Shannon (SNN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNN
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 January or August, booked 13 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from O'Hare Intl to Shannon

Cheapest flights from O'Hare Intl to Shannon
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 February 19, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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 8/116:05 pm
ORD
-
SNN
Nonstop7h 25m
United Airlines
Wed 8/269:30 am
SNN
-
ORD
Nonstop8h 20m
United Airlines
Deal found 2/18$573
This United Airlines deal was found by Cheapflights users on 2/18. 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 4/129:00 am
ORD
-
SNN
2 stops19h 15m
United Airlines
Tue 4/2112:30 pm
SNN
-
ORD
2 stops24h 56m
United Airlines
Deal found 2/18$579
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Sun 8/96:05 pm
ORD
-
SNN
Nonstop7h 25m
United Airlines
Fri 8/2112:30 pm
SNN
-
ORD
1 stop13h 30m
United Airlines
Deal found 2/16$583
This United Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 4/214:30 pm
ORD
-
SNN
1 stop11h 45m
United Airlines
Tue 4/2812:30 pm
SNN
-
ORD
1 stop13h 47m
United Airlines
Deal found 2/17$588
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/2111:15 am
ORD
-
SNN
2 stops17h 00m
United Airlines
Tue 5/512:30 pm
SNN
-
ORD
2 stops12h 52m
United Airlines
Deal found 2/19$592
This United Airlines deal was found by Cheapflights users on 2/17. 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 8/166:05 pm
ORD
-
SNN
Nonstop7h 25m
United Airlines
Mon 8/319:30 am
SNN
-
ORD
Nonstop8h 20m
United Airlines
Deal found 2/17$623
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Mon 8/104:40 pm
ORD
-
SNN
1 stop11h 35m
United Airlines
Mon 8/249:30 am
SNN
-
ORD
Nonstop8h 20m
United Airlines
Deal found 2/16$628
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 8/72:00 pm
ORD
-
SNN
2 stops14h 15m
United Airlines
Wed 8/199:30 am
SNN
-
ORD
Nonstop8h 20m
United Airlines
Deal found 2/16$632

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$573
(United Airlines)

One-way from

$237
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$621

Good round-trip deal

$681 or less

Good one-way deal

$464 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Shannon flights.
Search Deals
From Chicago O'Hare Intl to Shannon
Search Deals
One-way flight from Chicago O'Hare Intl to Shannon
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Shannon.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Shannon.
Search Deals

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 2,558,603 searches. Data last updated February 19, 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

O'Hare Intl

Fly to

Shannon

Route

Depart

Return

Price

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 8/11

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Wed 8/26

9:30 am-11:50 am

Nonstop8h 20m

$573

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 4/12

9:00 am-10:15 am

2 stops19h 15m

Shannon

Tue 4/21

12:30 pm-6:25 pm

1 stop11h 55m

$579

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 8/9

5:00 pm-11:10 am

1 stop12h 10m

Shannon

Fri 8/21

1:05 pm-10:43 pm

1 stop15h 38m

$588

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 8/9

10:40 am-11:10 am

1 stop18h 30m

Shannon

Thu 8/20

1:05 pm-9:36 pm

1 stop14h 31m

$588

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 4/27

4:30 pm-10:15 am

1 stop11h 45m

Shannon

Wed 5/6

12:30 pm-6:21 pm

1 stop11h 51m

$588

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 8/11

3:35 pm-11:10 am

2 stops13h 35m

Shannon

Thu 8/20

1:05 pm-8:24 pm

2 stops13h 19m

$592

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/21

11:15 am-10:15 am

2 stops17h 00m

Shannon

Tue 5/5

12:30 pm-9:27 pm

2 stops14h 57m

$592

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 3/25

6:01 pm-8:10 am

2 stops33h 09m

$237

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 8/5

9:40 pm-7:50 pm

2 stops40h 10m

$311

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 5/17

6:31 am-11:25 am

3 stops46h 54m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 13 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Shannon, Clare?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Shannon. Price data was last updated on February 18, 2026.

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 10 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 month to book a flight from Chicago O'Hare Intl Airport to Shannon, Clare?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Shannon, Clare (average of $469). Flying from Chicago O'Hare Intl Airport to Shannon, Clare in June is currently the most expensive (average of $758). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 February 19, 2026.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Shannon, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,325 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,325 reviews
United Airlines
7.4
Good
9,325 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,320 reviews
United Airlines
7.4
Good
9,325 reviews

Crew

8.1

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Shannon from Chicago O'Hare Intl?

    Shannon (SNN) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Shannon. You should not have trouble finding flights to Shannon from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Shannon airport from Chicago O'Hare Intl. It is only a 2.1 mi journey from Shannon (SNN) to Shannon’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Shannon, Clare?

    Departing from Chicago O'Hare Intl Airport to Shannon, Clare will take you 7h 25m. Airlines will cover a distance of 3578 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Shannon, Clare round-trip?

    American Airlines, at $469, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Shannon, Clare. An alternate airline flying to your destination would be United Airlines. American Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Shannon, Clare?

    While on average a flight from Chicago O'Hare Intl Airport to Shannon, Clare is generally $669, our data shows the cheapest flight currently is $464. When looking at the most popular route, (Chicago O'Hare Intl - Shannon), you can expect to pay $573 for that flight.

  • Can I find deals for flights from O'Hare Intl to Shannon that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Shannon.

  • Can I find deals for business class flights from O'Hare Intl to Shannon?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Shannon, Clare?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Shannon, Clare (average of $469). Flying from Chicago O'Hare Intl Airport to Shannon, Clare in June is currently the most expensive (average of $758). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from O'Hare Intl to Shannon

Discover the top 2 airlines that operate flights from O'Hare Intl 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 2,558,603 searches. Data last updated February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$469Average$820FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$584Average$794FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.