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Shannon

$242+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNN
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 November, booked 45 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 August 1, 2025.

Round-trip from

$590
(Aunt Betty)

One-way from

$242
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$736

Good round-trip deal

$648 or less

Good one-way deal

$489 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. 18% potential increase in price ($169 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

This Aunt Betty deal was found by Cheapflights users on 7/30. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:00 pmORD - SNN
Nonstop7h 30mUnited Airlines
Tue 9/99:45 amSNN - ORD
Nonstop8h 15mUnited Airlines
Deal found 7/30$590
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:00 amORD - SNN
1 stop23h 10mDelta
Tue 9/91:05 pmSNN - ORD
2 stops25h 32mDelta
Deal found 7/30$600
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/710:35 pmORD - SNN
1 stop16h 00mAmerican Airlines
Tue 9/167:40 amSNN - ORD
1 stop12h 10mAmerican Airlines
Deal found 7/30$610
This Mytrip deal was found by Cheapflights users on 7/30. 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 9/17:25 pmORD - SNN
2 stops19h 10mMultiple Airlines
Tue 9/94:55 pmSNN - ORD
2 stops31h 20mMultiple Airlines
Deal found 7/30$739
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Tue 11/47:15 amORD - SNN
2 stops27h 30mAir Canada
Tue 11/258:05 pmSNN - ORD
2 stops46h 56mAir Canada
Deal found 7/30$741

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 August 1, 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

Mon 9/1

6:00 pm-7:30 am

Nonstop7h 30m

Shannon

Tue 9/9

9:45 am-12:00 pm

Nonstop8h 15m

$590

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 9/1

6:00 am-11:10 am

1 stop23h 10m

Shannon

Tue 9/9

1:05 pm-8:37 am

2 stops25h 32m

$600

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 9/7

10:35 pm-8:35 pm

1 stop16h 00m

Shannon

Tue 9/16

7:40 am-1:50 pm

1 stop12h 10m

$610

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 9/1

7:25 pm-8:35 pm

2 stops19h 10m

Shannon

Tue 9/9

4:55 pm-6:15 pm

2 stops31h 20m

$739

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 11/4

7:15 am-4:45 pm

2 stops27h 30m

Shannon

Tue 11/25

8:05 pm-1:01 pm

2 stops46h 56m

$741

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 9/21

5:17 pm-4:35 pm

2 stops41h 18m

$242

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/3

3:45 pm-11:50 am

2 stops14h 05m

$405

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/3

7:15 pm-8:35 pm

1 stop19h 20m

$437

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/3

6:00 pm-7:30 am

Nonstop7h 30m

$439

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 9/1

1:25 pm-11:10 am

1 stop15h 45m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 11 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 July 25, 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 45 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 $932). 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 August 1, 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 14% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Chicago O'Hare Intl Airport to Shannon, Clare

Explore weekly flight availability from O'Hare Intl to Shannon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2025.

The most flights from ORD to SNN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 August 1, 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Shannon, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 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.

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

    United Airlines, at $590, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Shannon, Clare.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Shannon, Clare one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $405. American Airlines flights start at $437 while deals on United Airlines start at $439 one-way.

  • 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 $635, 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 $595 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 $932). 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.

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Traveling to a place near Shannon?

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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$511Average$753FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$549Average$838FlexibilityNo cancel feeOn-time69%

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