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Shannon

$393+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SNN
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
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 November 21, 2024.

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 November 21, 2024.

This American Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:30 pmORD - SNN
1 stop11h 00mAmerican Airlines
Sun 12/87:45 amSNN - ORD
1 stop15h 15mAmerican Airlines
Deal found 11/20$649
This Mytrip deal was found by Cheapflights users on 11/20. 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 11/2711:35 amORD - SNN
2 stops17h 55mMultiple Airlines
Wed 12/45:30 pmSNN - ORD
2 stops28h 45mMultiple Airlines
Deal found 11/20$774
This SmartFares deal was found by Cheapflights users on 11/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/53:55 pmORD - SNN
2 stops18h 50mAer Lingus
Sun 12/88:05 pmSNN - ORD
2 stops23h 55mAer Lingus
Deal found 11/20$780
This Air Canada deal was found by Cheapflights users on 11/20. 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.
Mon 12/27:20 amORD - SNN
2 stops22h 10mAir Canada
Fri 12/137:45 amSNN - ORD
2 stops17h 47mAir Canada
Deal found 11/20$842
This KAYAK deal was found by Cheapflights users on 11/20. 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.
Sun 11/246:35 pmORD - SNN
1 stop10h 55mBritish Airways
Mon 12/28:05 pmSNN - ORD
1 stop26h 55mBritish Airways
Deal found 11/20$1,093

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 2,629,791 searches. Data last updated November 21, 2024.

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ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 1/13

10:00 pm-4:45 pm

1 stop12h 45m

Shannon

Fri 1/24

7:45 am-2:45 pm

1 stop13h 00m

$548

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 1/12

7:20 am-11:30 am

2 stops22h 10m

Shannon

Tue 1/21

7:45 am-10:54 am

2 stops33h 09m

$745

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 3/17

10:45 pm-7:25 pm

1 stop15h 40m

Shannon

Fri 3/21

7:45 am-7:45 pm

1 stop17h 00m

$756

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 5/6

6:45 am-10:30 am

2 stops21h 45m

Shannon

Mon 5/12

12:30 pm-11:18 pm

2 stops16h 48m

$787

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 3/18

4:54 pm-11:30 am

2 stops13h 36m

Shannon

Sun 3/23

8:05 pm-2:55 pm

1 stop23h 50m

$787

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sat 1/18

2:01 pm-11:30 am

2 stops15h 29m

Shannon

Sat 1/25

7:45 am-7:44 am

3 stops29h 59m

$802

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Thu 4/24

6:15 pm-10:30 am

1 stop10h 15m

Shannon

Sat 5/3

12:30 pm-5:17 pm

1 stop10h 47m

$834

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 1/5

2:06 pm-6:15 am

1 stop10h 09m

Shannon

Sun 1/12

2:45 pm-11:46 pm

2 stops15h 01m

$996

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Tue 5/6

12:24 pm-10:30 am

1 stop16h 06m

Shannon

Mon 5/12

12:30 pm-9:10 pm

1 stop14h 40m

$1,061

St. LouisShannon

STL - SNN

STLSNN

Lambert-St Louis

Sun 1/5

11:30 am-11:30 am

3 stops18h 00m

Shannon

Sun 1/12

7:45 am-3:06 pm

2 stops37h 21m

$1,488

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 18 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 $528). Flying from Illinois to Shannon in June is currently the most expensive (average of $1,011). 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 November 21, 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 November 21, 2024.
Read reviews from past customers who have flown American Airlines, Air Canada and United Airlines 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.
United Airlines
7.4
Good
9,173 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.

United Airlines
7.4
Good
9,173 reviews
United Airlines
7.4
Good
9,173 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
9,173 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.

Aer Lingus
7.1
Good
1,089 reviews
United Airlines
7.4
Good
9,173 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.

Air Canada
7.0
Good
8,238 reviews
United Airlines
7.4
Good
9,173 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.

Lufthansa
6.8
Okay
7,150 reviews
United Airlines
7.4
Good
9,173 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 10

Good boarding process. (Nice to be able to buy Group 2 boarding option.) Plane was clean. Tried to avoid full flight by flying on Saturday, but plane was full anyway. Gate area in Houston should have charging options. Should be a lounge for people with American Express Platinum Card in Houston Airport.

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 $734, our data shows the cheapest flight currently is $502. When looking at the most popular route, (Chicago O'Hare Intl - Shannon), you can expect to pay $693 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 $528). Flying from Illinois to Shannon in June is currently the most expensive (average of $1,011). 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

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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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$490Average$738FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$527Average$925FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$708Average$936FlexibilityNo cancel feeOn-time70%
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