$379 Cheap Flights from Louisville (SDF) to Shannon (SNN)

View $379 flight on Sun, Jul 26, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Shannon Airport (SNN)

Cheap Flights from Louisville to Shannon (SDF-SNN)

Prices were available within the past 7 days and start at $379 for one-way flights and $481 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Apr 14 - Tue, May 5
SDF
Louisville
SNN
Shannon
$481 Roundtrip, found 6 days ago
$481
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 14 from Louisville to Shannon, returning Tue, May 5, priced at $481 found 6 days ago
United
Sun, Apr 19 - Tue, May 5
SDF
Louisville
SNN
Shannon
$485 Roundtrip, found 6 days ago
$485
Roundtrip
found 6 days ago
Select United flight, departing Sun, Apr 19 from Louisville to Shannon, returning Tue, May 5, priced at $485 found 6 days ago
United
Tue, Apr 21 - Wed, May 13
SDF
Louisville
SNN
Shannon
$487 Roundtrip, found 6 days ago
$487
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 21 from Louisville to Shannon, returning Wed, May 13, priced at $487 found 6 days ago
United
Tue, Apr 14 - Wed, May 6
SDF
Louisville
SNN
Shannon
$492 Roundtrip, found 6 days ago
$492
Roundtrip
found 6 days ago
Select United flight, departing Tue, Apr 14 from Louisville to Shannon, returning Wed, May 6, priced at $492 found 6 days ago
United
Sun, Apr 5 - Fri, Apr 24
SDF
Louisville
SNN
Shannon
$492 Roundtrip, found 6 days ago
$492
Roundtrip
found 6 days ago
Select United flight, departing Sun, Apr 5 from Louisville to Shannon, returning Fri, Apr 24, priced at $492 found 6 days ago
United
Sat, Apr 18 - Thu, May 7
SDF
Louisville
SNN
Shannon
$496 Roundtrip, found 6 days ago
$496
Roundtrip
found 6 days ago
Select United flight, departing Sat, Apr 18 from Louisville to Shannon, returning Thu, May 7, priced at $496 found 6 days ago
Delta
Sat, Sep 5 - Sun, Sep 13
SDF
Louisville
SNN
Shannon
$619 Roundtrip, found 6 days ago
$619
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 5 from Louisville to Shannon, returning Sun, Sep 13, priced at $619 found 6 days ago
American Airlines
Sun, Mar 8 - Tue, Mar 17
SDF
Louisville
SNN
Shannon
$632 Roundtrip, found 4 days ago
$632
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Mar 8 from Louisville to Shannon, returning Tue, Mar 17, priced at $632 found 4 days ago
British Airways
Tue, Apr 14 - Tue, Apr 28
SDF
Louisville
SNN
Shannon
$636 Roundtrip, found 6 days ago
$636
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Apr 14 from Louisville to Shannon, returning Tue, Apr 28, priced at $636 found 6 days ago
KLM
Mon, Jul 13 - Mon, Jul 27
SDF
Louisville
SNN
Shannon
$854 Roundtrip, found 6 days ago
$854
Roundtrip
found 6 days ago
Select KLM flight, departing Mon, Jul 13 from Louisville to Shannon, returning Mon, Jul 27, priced at $854 found 6 days ago
Flights from Louisville (SDF) to Shannon (SNN)
Origin airport
Louisville Intl.
Destination airport
Shannon
Airlines serving
American Airlines, British Airways, Delta, KLM, Lufthansa, United
Roundtrip price
$480
Distance
3669 mi

Louisville to Shannon Flights

The cheapest times to fly from Louisville 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 Louisville to Shannon are during the month of April. You can find some of the cheapest flights from Louisville to Shannon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Shannon

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Shannon in 2026. You can also book with separate airlines for your outbound and return journeys, from $379 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 Louisville 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 Louisville 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.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Shannon Airport (SNN) cost?
Grab a cheap one-way flight from $379 or cheap return flight from $481 from Louisville Intl. Airport (SDF) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Shannon Airport (SNN)?
Planning your trip for April may help you find better deals, as it's the cheapest month for flights between SDF and SNN. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Shannon Airport (SNN)?
To find the cheapest airline that'll fly you from SDF to SNN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Louisville Intl. Airport (SDF) to Shannon Airport (SNN)?
You'll need to book a flight with a layover if you're traveling from Louisville Intl. Airport (SDF) 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 the best option for your trip.
What day of the week has the most flights from SDF to SNN?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Shannon Airport (SNN)?
To avoid potential delays on the Louisville Intl. Airport (SDF) to Shannon Airport (SNN) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Louisville Intl. Airport (SDF) to Shannon Airport (SNN) last-minute?
Last-minute fares from SDF to SNN are usually more expensive. For the lowest prices, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a SDF to SNN flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDF to SNN flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes 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 activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Shannon Airport (SNN)?
It's usually possible to reschedule or cancel your SDF to SNN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.