$457 Cheap Flights from Cork (ORK) to St. Louis (STL)

View $457 flight on Tue, May 12, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $457 for one-way flights and $1,054 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,054 Roundtrip, found 6 days ago
$1,054
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,054 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,087 Roundtrip, found 6 days ago
$1,087
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,087 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,092 Roundtrip, found 6 days ago
$1,092
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,092 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,117 Roundtrip, found 6 days ago
$1,117
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,117 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,125 Roundtrip, found 6 days ago
$1,125
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,125 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,126 Roundtrip, found 6 days ago
$1,126
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,126 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,156 Roundtrip, found 6 days ago
$1,156
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,156 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,164 Roundtrip, found 6 days ago
$1,164
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,164 found 6 days ago
British Airways
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,268 Roundtrip, found 6 days ago
$1,268
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,268 found 6 days ago
Aer Lingus
Wed, Dec 24 - Sat, Jan 3
ORK
Cork
STL
St. Louis
$1,383 Roundtrip, found 6 days ago
$1,383
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Dec 24 from Cork to St. Louis, returning Sat, Jan 3, priced at $1,383 found 6 days ago

Frequently asked questions

How much does a flight from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $457 or cheap return flight from $1,054 from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL) 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 Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from ORK to STL is December, when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ORK to STL flight.
How many flights per day from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights available from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from ORK to STL?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL)?
Choose a flight from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the likelihood of delays. Later departures 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 Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until just before your trip to book a ticket from ORK to STL generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book an ORK to STL flight and hotel package?
You'll generally save money by securing an ORK to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Cork Airport (ORK) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your ORK to STL flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Cork
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$1,053
Distance
3864 mi

Book with confidence

Cork to St. Louis Flights

The cheapest times to fly from Cork to St. Louis

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

 

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

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

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 Cork to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $457 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 Cork to St. Louis 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 Cork to St. Louis 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.

 

Cork to St. Louis Flights

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*Available to One Key members.