$551 Cheap Flights from Houston (HOU) to Shannon (SNN)

View $551 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Shannon Airport (SNN)

Cheap Flights from Houston to Shannon (HOU-SNN)

Prices were available within the past 7 days and start at $551 for one-way flights and $798 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, May 6 - Wed, May 13
HOU
Houston
SNN
Shannon
$798 Roundtrip, found 6 days ago
$798
Roundtrip
found 6 days ago
Select Iberia flight, departing Wed, May 6 from Houston to Shannon, returning Wed, May 13, priced at $798 found 6 days ago

Alternative airports near Shannon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Shannon Airport SNN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $1,507
SNN
Shannon Airport
CheapestClosest
Average driving time to city center7 min
Flights from $1,507
Flights from Houston (HOU) to Shannon (SNN)
Origin airport
William P. Hobby
Destination airport
Shannon
Airlines serving
American Airlines, British Airways
Roundtrip price
$798
Distance
4471 mi

Houston to Shannon Flights

The cheapest times to fly from Houston to Shannon

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

 

The best time to book a flight from Houston to Shannon

Sunday is one of the best days to book for cheap flights from Houston to Shannon: 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 Shannon

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 Shannon in 2025. You can also book with separate airlines for your outbound and return journeys, from $551 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 Shannon 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 Shannon 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

How much does a flight from William P. Hobby Airport (HOU) to Shannon Airport (SNN) cost?
Grab a cheap one-way flight from $551 or cheap return flight from $798 from William P. Hobby Airport (HOU) to Shannon Airport (SNN) 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 William P. Hobby Airport (HOU) to Shannon Airport (SNN)?
May is the cheapest month to fly from HOU to SNN. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Shannon Airport (SNN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest HOU to SNN flight.
How many flights per day from William P. Hobby Airport (HOU) to Shannon Airport (SNN)?
There aren't any daily nonstop flights departing from William P. Hobby Airport (HOU) to Shannon Airport (SNN). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from HOU to SNN?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Shannon Airport (SNN)?
To touch down at Shannon Airport (SNN) on time, opt for a flight that takes off from William P. Hobby Airport (HOU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 William P. Hobby Airport (HOU) to Shannon Airport (SNN) last-minute?
Booking your flight from HOU to SNN shortly before your journey is usually more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a HOU to SNN flight and hotel package?
Compared with arranging flights and hotels separately, booking a HOU to SNN flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Shannon Airport (SNN)?
In most cases, you can modify or cancel your HOU to SNN flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.