Cheap Flights from London (LHR) to Galway (GWY)

Popular airlines from Heathrow Airport (LHR) to Galway (GWY)

Find available prices by choosing your travel dates.
Flights from London (LHR) to Galway (GWY)
Origin airport
Heathrow
Destination airport
Galway
Distance
379 mi

London to Galway Flights

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

The best time to book a flight from London to Galway

Sunday is one of the best days to book for cheap flights from London 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 London 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 London 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 London 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 London 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 Heathrow Airport (LHR) to GWY last minute?
Booking your journey from LHR to GWY at the last minute could save you dollars if you’re lucky enough to find an awesome deal. However, tickets usually don’t come down in price as the departure date nears. If you wait, flights could also be sold out or the best seats taken (we hope you like the middle seat!). If you’d rather not hedge your bets, book well ahead of when you want to leave. In fact, you can find some of the biggest deals up to a year in advance. If your favorite airline hasn’t released its airfares yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Galway from London?
With Galway (GWY), Shannon Airport (SNN) and Ireland West Airport (NOC) to select from, traveling from London to Galway is a piece of cake. The city’s main terminal, Galway (GWY), is approximately 5 mi northeast of the center. Along with the price of fares, consider factors like train or bus options from the airport and the distance to your hotel before making your decision. Get your Galway vacation off to a flying start by exploring Caesar’s Palace and Leisureland.
Can I change the date of my flight from LHR to GWY?
You can make changes to your Heathrow Airport (LHR) to GWY journey through the Expedia Trips portal. But before doing so, browse the rules and restrictions in your itinerary to see what the airline will allow you to do and what fees apply for changes. Some carriers charge a change fee per person, plus any difference in ticket prices. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also check out our Customer Service portal to find the answers to your questions and to chat with our Virtual Agent.

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*Available to One Key members.