$428 Cheap Flights from St. Louis (STL) to Cork (ORK)

View $428 flight on Sun, May 10, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Cork Airport (ORK)

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Cheap Flights from St. Louis to Cork (STL-ORK)

Prices were available within the past 7 days and start at $428 for one-way flights and $571 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 10 - Tue, Mar 24
STL
St. Louis
ORK
Cork
$571 Roundtrip, found 16 hours ago
$571
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Mar 10 from St. Louis to Cork, returning Tue, Mar 24, priced at $571 found 16 hours ago
Air France
Wed, Mar 11 - Tue, Mar 24
STL
St. Louis
ORK
Cork
$594 Roundtrip, found 16 hours ago
$594
Roundtrip
found 16 hours ago
Select Air France flight, departing Wed, Mar 11 from St. Louis to Cork, returning Tue, Mar 24, priced at $594 found 16 hours ago
Delta
Tue, Mar 10 - Wed, Mar 25
STL
St. Louis
ORK
Cork
$599 Roundtrip, found 16 hours ago
$599
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Mar 10 from St. Louis to Cork, returning Wed, Mar 25, priced at $599 found 16 hours ago
Delta
Tue, Mar 10 - Sun, Mar 22
STL
St. Louis
ORK
Cork
$621 Roundtrip, found 16 hours ago
$621
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Mar 10 from St. Louis to Cork, returning Sun, Mar 22, priced at $621 found 16 hours ago
Air France
Wed, Mar 11 - Wed, Mar 25
STL
St. Louis
ORK
Cork
$622 Roundtrip, found 16 hours ago
$622
Roundtrip
found 16 hours ago
Select Air France flight, departing Wed, Mar 11 from St. Louis to Cork, returning Wed, Mar 25, priced at $622 found 16 hours ago
Air France
Wed, Mar 11 - Sun, Mar 22
STL
St. Louis
ORK
Cork
$644 Roundtrip, found 16 hours ago
$644
Roundtrip
found 16 hours ago
Select Air France flight, departing Wed, Mar 11 from St. Louis to Cork, returning Sun, Mar 22, priced at $644 found 16 hours ago
Delta
Tue, Mar 10 - Thu, Mar 19
STL
St. Louis
ORK
Cork
$658 Roundtrip, found 16 hours ago
$658
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Mar 10 from St. Louis to Cork, returning Thu, Mar 19, priced at $658 found 16 hours ago
Virgin Atlantic
Tue, Dec 2 - Tue, Dec 23
STL
St. Louis
ORK
Cork
$680 Roundtrip, found 18 hours ago
$680
Roundtrip
found 18 hours ago
Select Virgin Atlantic flight, departing Tue, Dec 2 from St. Louis to Cork, returning Tue, Dec 23, priced at $680 found 18 hours ago
Air Canada
Thu, Jan 29 - Wed, Feb 4
STL
St. Louis
ORK
Cork
$683 Roundtrip, found 3 days ago
$683
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Jan 29 from St. Louis to Cork, returning Wed, Feb 4, priced at $683 found 3 days ago
Finnair
Tue, Dec 2 - Tue, Dec 23
STL
St. Louis
ORK
Cork
$686 Roundtrip, found 18 hours ago
$686
Roundtrip
found 18 hours ago
Select Finnair flight, departing Tue, Dec 2 from St. Louis to Cork, returning Tue, Dec 23, priced at $686 found 18 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK) cost?
Snag a cheap one-way flight from $428 or cheap return flight from $571 from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK)?
Planning your trip for March is a good way to save, as it's the cheapest month for flights between STL and ORK. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to ORK flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to ORK?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK) last-minute?
Booking your plane ticket from STL to ORK shortly before your journey is usually more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a STL to ORK flight and hotel package?
Opting for a STL to ORK flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Cork Airport (ORK)?
If you booked your STL to ORK flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Cork
Airlines serving
Aer Lingus, Air Canada, American Airlines, British Airways, Delta, KLM
Roundtrip price
$571
Distance
3864 mi

Book with confidence

St. Louis to Cork Flights

The cheapest times to fly from St. Louis to Cork

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 St. Louis to Cork are during the month of March. You can find some of the cheapest flights from St. Louis to Cork with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Cork

Sunday is one of the best days to book for cheap flights from St. Louis to Cork: 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 St. Louis to Cork

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 St. Louis to Cork in 2025. You can also book with separate airlines for your outbound and return journeys, from $428 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 St. Louis to Cork 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 St. Louis to Cork 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.

 

St. Louis to Cork Flights

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*Available to One Key members.