$503 Cheap Flights from Charleston (CHS) to Shannon (SNN)

View $503 flight on Sun, Nov 23, 2025Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to Shannon Airport (SNN)

Cheap Flights from Charleston to Shannon (CHS-SNN)

Prices were available within the past 7 days and start at $503 for one-way flights and $679 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$679 Roundtrip, found 9 hours ago
$679
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $679 found 9 hours ago
American Airlines
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$680 Roundtrip, found 9 hours ago
$680
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $680 found 9 hours ago
American Airlines
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$683 Roundtrip, found 9 hours ago
$683
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $683 found 9 hours ago
American Airlines
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$684 Roundtrip, found 9 hours ago
$684
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $684 found 9 hours ago
British Airways
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$685 Roundtrip, found 9 hours ago
$685
Roundtrip
found 9 hours ago
Select British Airways flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $685 found 9 hours ago
Virgin Atlantic
Mon, Nov 17 - Tue, Nov 25
CHS
Charleston
SNN
Shannon
$689 Roundtrip, found 4 days ago
$689
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Mon, Nov 17 from Charleston to Shannon, returning Tue, Nov 25, priced at $689 found 4 days ago
American Airlines
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$690 Roundtrip, found 9 hours ago
$690
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $690 found 9 hours ago
American Airlines
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$693 Roundtrip, found 9 hours ago
$693
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $693 found 9 hours ago
Aer Lingus
Fri, Feb 27 - Fri, Mar 6
CHS
Charleston
SNN
Shannon
$709 Roundtrip, found 9 hours ago
$709
Roundtrip
found 9 hours ago
Select Aer Lingus flight, departing Fri, Feb 27 from Charleston to Shannon, returning Fri, Mar 6, priced at $709 found 9 hours ago
Finnair
Mon, Nov 17 - Tue, Nov 25
CHS
Charleston
SNN
Shannon
$716 Roundtrip, found 4 days ago
$716
Roundtrip
found 4 days ago
Select Finnair flight, departing Mon, Nov 17 from Charleston to Shannon, returning Tue, Nov 25, priced at $716 found 4 days ago

Alternative airports near Shannon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $684
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $684

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Shannon Airport (SNN) cost?
Grab a cheap one-way flight from $503 or cheap return flight from $679 from Charleston Intl. Airport (CHS) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Charleston Intl. Airport (CHS) to Shannon Airport (SNN)?
February is the least expensive month to fly from CHS to SNN. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Shannon Airport (SNN)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from CHS to SNN. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Charleston Intl. Airport (CHS) to Shannon Airport (SNN)?
You'll have to take a flight with a layover if you're traveling from Charleston Intl. Airport (CHS) to Shannon Airport (SNN). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from CHS to SNN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Charleston Intl. Airport (CHS) to Shannon Airport (SNN)?
To touch down at Shannon Airport (SNN) on time, opt for a flight that leaves Charleston Intl. Airport (CHS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Charleston Intl. Airport (CHS) to Shannon Airport (SNN) last-minute?
Holding off until just before your departure to book a flight from CHS to SNN generally means paying more. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a CHS to SNN flight and hotel package?
Compared with arranging hotels and flights separately, booking a CHS to SNN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and select from our wide range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Shannon Airport (SNN)?
Typically, it's possible to reschedule or cancel your CHS to SNN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Charleston Intl.
Destination airport
Shannon
Airlines serving
Aer Lingus, American Airlines, British Airways, JetBlue Airways, Lufthansa
Roundtrip price
$679
Distance
3687 mi

Book with confidence

Charleston to Shannon Flights

The cheapest times to fly from Charleston to Shannon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Charleston to Shannon are during the month of February. You can find some of the cheapest flights from Charleston to Shannon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charleston to Shannon

Sunday is one of the best days to book for cheap flights from Charleston to Shannon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Charleston to Shannon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Charleston to Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $503 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Charleston to Shannon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Charleston to Shannon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Charleston to Shannon Flights

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*Available to One Key members.