Cheap Flights from St. Louis (STL) to Galway (GWY)

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Flights from St. Louis (STL) to Galway (GWY)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Galway
Distance
3811 mi

St. Louis to Galway Flights

The cheapest times to fly from St. Louis to Galway

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

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

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

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 Galway in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Galway 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 Galway 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

Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to GWY last minute?
Booking your flight from Lambert Field to GWY last minute could save you a nice sum if you’re lucky to find a real steal. However, tickets typically don’t come down in price as the date of departure nears. If you wait, flights could also be sold out or the best seats taken (because who wants the middle seat?). If you want to be on the safe side, book well in advance of the date you want to leave. It’s worth noting that some of the best deals can be found up to a year in advance. If your favorite airline hasn’t released its airfares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Galway from St. Louis?
With Galway (GWY), Shannon Airport (SNN) and Ireland West Airport (NOC) to pick from, making your way from St. Louis to Galway is a piece of cake. The city’s main terminal, Galway (GWY), is roughly 5 mi northeast of the downtown area. Along with ticket prices, consider factors like transportation options from the airport and the distance to your hotel when deciding where to land. Get your Galway vacation off to a superb start by visiting Caesar’s Palace and Leisureland.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to GWY?
Expedia makes it easy to make changes to your Lambert-St. Louis Intl. Airport (STL) to GWY trip yourself. Just log in to the Expedia Trips portal and tap “change flight.” Search for new flights and choose the one that better suits your plans. You’ll see an estimate of flight change fees that may apply. Alternatively, head to our Customer Service portal to connect with our Virtual Agent and get answers to all your questions.

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