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Shannon

$454+ Cheap flights from Illinois 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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Illinois to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 December 18, 2024.

Round-trip from

$568
(American Airlines)
From Illinois to Shannon
Search Deals

Find flight deals from Illinois to Shannon

Cheapest flights from Illinois to Shannon
Explore the most affordable flight options available from Illinois to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/251:54 pmORD - SNN
2 stops15h 36mAmerican Airlines
Wed 4/167:40 amSNN - ORD
1 stop15h 20mAmerican Airlines
Deal found 12/17$1,065
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:05 pmORD - SNN
3 stops27h 45mMultiple Airlines
Wed 4/169:55 amSNN - ORD
3 stops41h 35mMultiple Airlines
Deal found 12/17$1,239
This KAYAK deal was found by Cheapflights users on 12/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:25 pmORD - SNN
1 stop16h 20mBritish Airways
Tue 1/78:05 pmSNN - ORD
2 stops29h 45mBritish Airways
Deal found 12/18$1,310
This Air Canada deal was found by Cheapflights users on 12/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/264:00 pmORD - SNN
2 stops18h 45mAir Canada
Tue 1/77:45 amSNN - ORD
3 stops29h 59mAir Canada
Deal found 12/18$1,508

Find flights from Illinois to Shannon within your budget

Customize your flight search to find flights from Illinois 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 December 18, 2024.

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Depart

Return

Price

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 1/19

6:35 pm-11:30 am

1 stop10h 55m

Shannon

Tue 1/28

7:45 am-2:45 pm

1 stop13h 00m

$568

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 1/12

8:25 pm-7:15 pm

2 stops16h 50m

Shannon

Tue 1/21

10:45 am-3:30 pm

3 stops34h 45m

$624

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 1/19

11:35 am-4:45 pm

2 stops23h 10m

Shannon

Tue 1/28

7:45 am-6:50 pm

2 stops41h 05m

$730

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 4/15

6:20 pm-10:30 am

1 stop10h 10m

Shannon

Tue 4/29

12:30 pm-7:35 am

2 stops25h 05m

$738

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 3/26

4:55 pm-11:30 am

2 stops13h 35m

Shannon

Thu 4/3

7:40 am-7:05 pm

2 stops17h 25m

$772

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 1/26

3:50 pm-4:45 pm

2 stops18h 55m

Shannon

Wed 2/5

7:45 am-3:06 pm

2 stops37h 21m

$778

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 1/26

12:00 pm-11:30 am

2 stops17h 30m

Shannon

Mon 2/3

8:05 pm-10:09 pm

2 stops32h 04m

$784

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 2/26

4:16 pm-11:30 am

2 stops13h 14m

Shannon

Mon 3/3

8:05 pm-2:00 pm

2 stops23h 55m

$786

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Thu 1/23

3:50 pm-11:30 am

2 stops13h 40m

Shannon

Sat 2/1

7:45 am-9:45 pm

3 stops20h 00m

$888

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Fri 5/23

6:10 pm-11:10 am

1 stop11h 00m

Shannon

Sun 6/1

1:05 pm-8:34 pm

2 stops37h 29m

$1,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 21 results
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Best time to book a flight from Illinois to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from Illinois 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.

Travel insights for flights from Illinois to Shannon

Get recent, data-driven insights about flights from Illinois to Shannon including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Shannon?

Currently, February is the cheapest month in which you can book a flight from Illinois to Shannon (average of $533). Flying from Illinois to Shannon in June is currently the most expensive (average of $1,007). 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 IL to SNN?

Find hourly flight availability from Illinois 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 December 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Shannon as you normally would.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 December 18, 2024.
Read reviews from past customers who have flown American Airlines, Air Canada and British Airways from Illinois to Shannon. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.4
Good
1,504 reviews

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

7.0

Boarding

7.4

Crew

8.1

Reviews

1 / 10

Very happy with service free snack and drinks.seats are very comfortable. At check in requested a different seat and they obliged. The seat layout is 2 then aisle then 3 and the planes looked new. Would definitely recommend Air France.

Air France
7.4
Good
1,504 reviews
Air France
7.4
Good
1,504 reviews

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

7.0

Boarding

7.4

Crew

8.1

Reviews

1 / 10

Very happy with service free snack and drinks.seats are very comfortable. At check in requested a different seat and they obliged. The seat layout is 2 then aisle then 3 and the planes looked new. Would definitely recommend Air France.

American Airlines
7.2
Good
10,000 reviews
Air France
7.4
Good
1,504 reviews

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

7.0

Boarding

7.4

Crew

8.1

Reviews

1 / 10

Very happy with service free snack and drinks.seats are very comfortable. At check in requested a different seat and they obliged. The seat layout is 2 then aisle then 3 and the planes looked new. Would definitely recommend Air France.

Aer Lingus
7.1
Good
1,073 reviews
Air France
7.4
Good
1,504 reviews

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

7.0

Boarding

7.4

Crew

8.1

Reviews

1 / 10

Very happy with service free snack and drinks.seats are very comfortable. At check in requested a different seat and they obliged. The seat layout is 2 then aisle then 3 and the planes looked new. Would definitely recommend Air France.

Air Canada
7.0
Good
8,382 reviews
Air France
7.4
Good
1,504 reviews

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

7.0

Boarding

7.4

Crew

8.1

Reviews

1 / 10

Very happy with service free snack and drinks.seats are very comfortable. At check in requested a different seat and they obliged. The seat layout is 2 then aisle then 3 and the planes looked new. Would definitely recommend Air France.

Lufthansa
6.8
Okay
7,091 reviews
Air France
7.4
Good
1,504 reviews

Entertainment

7.0

Comfort

7.3

Overall

7.4

Food

7.0

Boarding

7.4

Crew

8.1

Reviews

1 / 10

Very happy with service free snack and drinks.seats are very comfortable. At check in requested a different seat and they obliged. The seat layout is 2 then aisle then 3 and the planes looked new. Would definitely recommend Air France.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Most people fly into Shannon (SNN) if they book a flight to Shannon from Illinois. Shannon is conveniently located just 2.1 mi from Shannon’s city center.

  • What are the most popular routes from Illinois to Shannon?

    When deciding which route to take from Illinois to Shannon consider Chicago O'Hare Intl - Shannon, Lambert-St Louis - Shannon or Chicago Midway - Shannon as they are the most popular.

  • What are the cheapest flights from Illinois to Shannon?

    While on average a flight from Illinois to Shannon is generally $919, our data shows the cheapest flight currently is $648. When looking at the most popular route, (Chicago O'Hare Intl - Shannon), you can expect to pay $753 for that flight.

  • Can I find deals for flights from Illinois to Shannon that include hotel bookings?

    Yes. In addition to deals on Illinois to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Shannon?

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

  • Can I find deals for business class flights from Illinois to Shannon?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Shannon?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Shannon (average of $533). Flying from Illinois to Shannon in June is currently the most expensive (average of $1,007). 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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Top 3 airlines flying from Illinois to Shannon

Discover the top 3 airlines that operate flights from Illinois 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$490Average$732FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$527Average$908FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$725Average$936FlexibilityNo cancel feeOn-time70%
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