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Shannon

$602+ Cheap flights from Charleston (CHS) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SNN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Charleston to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) 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 July 29, 2025.

Round-trip from

$602
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$1,068
From Charleston to Shannon
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Charleston to Shannon

Cheapest flights from Charleston to Shannon
Explore the most affordable flight options available from Charleston to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/1111:37 amCHS - SNN
1 stop14h 53mUnited Airlines
Thu 9/189:30 amSNN - CHS
1 stop14h 38mUnited Airlines
Deal found 7/27$602
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/127:28 pmCHS - SNN
2 stops15h 22mAmerican Airlines
Fri 9/197:40 amSNN - CHS
2 stops19h 02mAmerican Airlines
Deal found 7/29$614
This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:14 pmCHS - SNN
2 stops12h 56mMultiple Airlines
Thu 8/211:05 pmSNN - CHS
1 stop13h 17mMultiple Airlines
Deal found 7/28$649
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:00 amCHS - SNN
2 stops19h 30mAer Lingus
Fri 11/142:45 pmSNN - CHS
1 stop11h 09mAer Lingus
Deal found 7/27$741
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:15 pmCHS - SNN
2 stops19h 30mBritish Airways
Fri 11/147:50 amSNN - CHS
2 stops15h 40mBritish Airways
Deal found 7/27$742
This Air Canada deal was found by Cheapflights users on 7/27. 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 11/611:14 amCHS - SNN
3 stops19h 16mAir Canada
Fri 11/147:50 amSNN - CHS
3 stops20h 52mAir Canada
Deal found 7/27$843
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:50 pmCHS - SNN
1 stop11h 25mLufthansa
Mon 10/1312:30 pmSNN - CHS
1 stop16h 14mLufthansa
Deal found 7/27$913
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:15 pmCHS - SNN
1 stop10h 40mJetBlue
Fri 11/142:45 pmSNN - CHS
1 stop11h 09mJetBlue
Deal found 7/27$2,461

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston 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 July 29, 2025.
Use the filters below to find and compare flights from Charleston to Shannon that are best for you.

Fly from

Charleston

Fly to

Shannon

Route

Depart

Return

Price

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Thu 9/11

11:37 am-7:30 am

1 stop14h 53m

Shannon

Thu 9/18

9:30 am-7:08 pm

1 stop14h 38m

$602

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Fri 9/12

7:28 pm-3:50 pm

2 stops15h 22m

Shannon

Fri 9/19

7:40 am-9:42 pm

2 stops19h 02m

$614

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Sun 8/10

5:14 pm-11:10 am

2 stops12h 56m

Shannon

Thu 8/21

1:05 pm-9:22 pm

1 stop13h 17m

$649

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Thu 11/6

11:00 am-11:30 am

2 stops19h 30m

Shannon

Fri 11/14

2:45 pm-8:54 pm

1 stop11h 09m

$741

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Thu 11/6

4:15 pm-4:45 pm

2 stops19h 30m

Shannon

Fri 11/14

7:50 am-6:30 pm

2 stops15h 40m

$742

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Thu 11/6

11:14 am-11:30 am

3 stops19h 16m

Shannon

Fri 11/14

7:50 am-11:42 pm

3 stops20h 52m

$843

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Fri 10/10

5:50 pm-10:15 am

1 stop11h 25m

Shannon

Mon 10/13

12:30 pm-11:44 pm

1 stop16h 14m

$913

CharlestonShannon

CHS - SNN

CHSSNN

Charleston

Thu 11/6

2:15 pm-5:55 am

1 stop10h 40m

Shannon

Fri 11/14

2:45 pm-8:54 pm

1 stop11h 09m

$2,461

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Charleston to Shannon

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

What is the cheapest time of day to fly from CHS to SNN?

Find hourly flight availability from Charleston 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 July 29, 2025.

It’s optimal to fly from Charleston to Shannon, Clare at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Charleston to Shannon, Clare?

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 July 29, 2025.
Peruse reviews from past customers who have flown with United Airlines, JetBlue, and American Airlines from Charleston to Shannon to help guide your decision. 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
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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
8,899 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??
JetBlue
7.3
Good
2,913 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??
Air Canada
7.1
Good
9,822 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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??
Aer Lingus
7.1
Good
1,190 reviews
United Airlines
7.4
Good
8,899 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

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 Charleston to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Charleston to Shannon, Clare round-trip?

    Our cheapest airline available from Charleston to Shannon, Clare is United Airlines. Our recent data shows that you can find tickets from as low as $602 on this airline. Additional options worth looking into are American Airlines and Aer Lingus, starting at $614 and $741 round-trip. United Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Charleston 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 Charleston to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from Charleston to Shannon, Clare (average of $533). Flying from Charleston 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.

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 4 airlines flying from Charleston to Shannon

Discover the top 4 airlines that operate flights from Charleston 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$525Average$582FlexibilityNo cancel feeOn-time71%
DeltaCheapest$575Average$775FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$595Average$932FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$741Average$912FlexibilityNo cancel feeOn-timeN/A

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