Cheap Flights from Houston (IAH) to Galway (GWY)

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Find available prices by choosing your travel dates.
Flights from Houston (IAH) to Galway (GWY)
Origin airport
George Bush Intercontinental
Destination airport
Galway
Distance
4444 mi

Houston to Galway Flights

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

The best time to book a flight from Houston to Galway

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston 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 Houston 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 Houston 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 IAH to GWY last minute?
Being a spontaneous soul is a fabulous way to see the world, but it’s not always the best method to nab a cheap fare. Think about booking your IAH to GWY trip well ahead of time rather than waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave all that spontaneity for when you reach your destination!
What airports do you fly into for Galway from Houston?
With Galway (GWY), Shannon Airport (SNN) and Ireland West Airport (NOC) to choose from, getting from Houston to Galway is a cinch. The city’s main gateway, Galway (GWY), is approximately 5 mi northeast of the downtown area. Along with the price of tickets, consider things like the ease of getting from the airport and the distance to your hotel when deciding where to fly into. Get your Galway vacation off to a flying start by checking out Caesar’s Palace and Leisureland.
Can I change the date of my flight from Houston Airport to GWY?
You can easily make changes to your IAH to GWY ticket through the Expedia Trips portal. But before you make any adjustments, look over the rules and restrictions in your itinerary to learn what the airline will let you do and if fees apply. Some airlines have a change fee per person, plus any difference in ticket prices. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also head to our Customer Service portal to find the answers to your questions and to connect with our Virtual Agent.

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