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Shannon

$299+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$534
(American Airlines)

One-way from

$299
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$739

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. 16% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 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 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:10 pmORD - SNN
1 stop17h 35mAmerican Airlines
Wed 11/127:50 amSNN - ORD
1 stop13h 35mAmerican Airlines
Deal found 8/13$534
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 9/1410:35 pmORD - SNN
1 stop11h 35mAmerican Airlines
Mon 9/229:15 pmSNN - ORD
1 stop23h 35mAmerican Airlines
Deal found 8/14$610
This Aunt Betty deal was found by Cheapflights users on 8/12. 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.
Thu 9/116:00 pmORD - SNN
Nonstop7h 30mUnited Airlines
Thu 9/189:30 amSNN - ORD
Nonstop8h 15mUnited Airlines
Deal found 8/12$645
This American Airlines deal was found by Cheapflights users on 8/11. 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 10/267:25 pmORD - SNN
1 stop11h 05mAmerican Airlines
Sun 11/237:50 amSNN - ORD
2 stops17h 30mAmerican Airlines
Deal found 8/11$664
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:55 pmORD - SNN
1 stop12h 25mAmerican Airlines
Tue 9/169:15 pmSNN - ORD
1 stop22h 35mAmerican Airlines
Deal found 8/13$669

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 14, 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

Wed 11/5

5:10 pm-4:45 pm

1 stop17h 35m

Shannon

Wed 11/12

7:50 am-3:25 pm

1 stop13h 35m

$534

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 9/14

10:35 pm-4:10 pm

1 stop11h 35m

Shannon

Mon 9/22

9:15 pm-2:50 pm

1 stop23h 35m

$610

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 10/14

9:15 pm-8:35 pm

1 stop17h 20m

Shannon

Wed 10/22

9:15 pm-1:55 pm

1 stop22h 40m

$610

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Thu 9/11

6:00 pm-7:30 am

Nonstop7h 30m

Shannon

Thu 9/18

9:30 am-11:45 am

Nonstop8h 15m

$645

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/17

6:30 am-2:45 pm

2 stops26h 15m

$299

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 9/15

6:30 am-4:35 pm

2 stops28h 05m

$316

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 9/15

6:45 am-5:55 am

1 stop17h 10m

$323

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sat 9/6

7:00 am-2:55 pm

2 stops25h 55m

$349

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 9/3

3:45 pm-11:50 am

2 stops14h 05m

$407

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Fri 9/26

6:45 am-5:55 am

1 stop17h 10m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 11 results
1
2

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 August 8, 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 $933). 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 14, 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 14, 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 14, 2025.
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
8,916 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

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
8,916 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

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 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?

    American Airlines, at $511, 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 33% 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 $665, 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 $587 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 $933). 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?

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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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$511Average$751FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$580Average$846FlexibilityNo cancel feeOn-time69%

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