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Shannon

$254+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Shannon are usually found in February or March, booked 72 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 16, 2025.

Round-trip from

$529
(United Airlines)

One-way from

$254
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$748

Good round-trip deal

$833 or less

Good one-way deal

$521 or less
From Chicago O'Hare Intl to Shannon
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One-way flight from Chicago O'Hare Intl to Shannon
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Highest demand for flights based on searches. 14% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Shannon.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Shannon.
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Find 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 September 16, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:00 pmORD - SNN
1 stop12h 15mUnited Airlines
Tue 10/2112:30 pmSNN - ORD
1 stop12h 04mUnited Airlines
Deal found 9/14$529
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.
Tue 10/289:45 pmORD - SNN
1 stop14h 00mAmerican Airlines
Thu 11/67:50 amSNN - ORD
1 stop13h 35mAmerican Airlines
Deal found 9/14$535
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:30 pmORD - SNN
1 stop11h 00mAmerican Airlines
Wed 11/197:50 amSNN - ORD
1 stop12h 00mAmerican Airlines
Deal found 9/15$537
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.
Wed 10/296:10 pmORD - SNN
1 stop12h 20mAmerican Airlines
Wed 11/57:50 amSNN - ORD
1 stop13h 35mAmerican Airlines
Deal found 9/14$609
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.
Wed 10/14:50 pmORD - SNN
1 stop11h 25mUnited Airlines
Tue 10/712:30 pmSNN - ORD
2 stops13h 45mUnited Airlines
Deal found 9/15$611
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.
Mon 11/103:50 pmORD - SNN
2 stops18h 55mAer Lingus
Wed 11/197:50 amSNN - ORD
2 stops16h 05mAer Lingus
Deal found 9/15$642

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 September 16, 2025.
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 10/14

4:00 pm-10:15 am

1 stop12h 15m

Shannon

Tue 10/21

12:30 pm-6:34 pm

1 stop12h 04m

$529

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 10/1

4:50 pm-10:15 am

1 stop11h 25m

Shannon

Tue 10/7

12:30 pm-8:15 pm

2 stops13h 45m

$611

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 10/28

4:52 pm-11:30 am

2 stops13h 38m

Shannon

Thu 11/6

7:50 am-6:24 pm

2 stops16h 34m

$623

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 10/1

4:00 pm-10:15 am

1 stop12h 15m

Shannon

Tue 10/14

12:30 pm-8:14 pm

1 stop13h 44m

$656

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Fri 10/31

7:25 pm-11:30 am

1 stop11h 05m

Shannon

Fri 11/7

7:50 am-6:45 pm

1 stop16h 55m

$658

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Thu 10/30

7:25 pm-4:45 pm

1 stop16h 20m

Shannon

Thu 11/6

7:50 am-1:50 pm

1 stop12h 00m

$658

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 10/19

6:00 am-4:35 pm

2 stops28h 35m

$254

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 9/22

6:30 am-4:35 pm

2 stops28h 05m

$290

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sat 11/1

6:40 am-4:45 pm

3 stops53h 05m

$324

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Thu 9/25

6:21 pm-5:20 pm

3 stops40h 59m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 13 results
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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 September 12, 2025.

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 72 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Shannon, Clare (average of $533). Flying from Chicago O'Hare Intl Airport to Shannon, Clare in June is currently the most expensive (average of $928). 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.

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 16, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Shannon, Clare in the evening. Doing so could potentially save you 15% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 16, 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Shannon, such as United Airlines, American Airlines, and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,363 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 1 inbound flight from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 3 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 12h 15m. Airlines will cover a distance of 3578 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    American Airlines, at $530, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Shannon, Clare.Alternate airlines to your destination round-trip include United Airlines and British Airways. American Airlines is priced at 32% 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 $766, our data shows the cheapest flight currently is $489. When looking at the most popular route, (Chicago O'Hare Intl - Shannon), you can expect to pay $611 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Shannon, Clare (average of $533). Flying from Chicago O'Hare Intl Airport to Shannon, Clare in June is currently the most expensive (average of $928). 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

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Top 3 airlines flying from O'Hare Intl to Shannon

Discover the top 3 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$530Average$750FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$597Average$852FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$736Average$1,042FlexibilityNo cancel feeOn-time70%

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