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Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from IAH to Shannon Airport start from . Book now to secure the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be canceled online, but every airline has different terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for IAH to Shannon Airport flights, you’ll see a “no change fees” filter for you to select.

With around 7,200 kilometers separating Houston Airport and Shannon Airport (SNN), your flight will be a long one. Pack wisely to make your journey more comfortable. Simple things like a sleep mask and a good travel pillow can make all the difference.

Unfortunately, there aren’t any airlines that fly directly between IAH and SNN. You’ll have to book a flight with one or more stops.

Flight prices are constantly going up and down, so it’s no sure thing. While last-minute flight deals between George Bush Intercontinental Airport (IAH) and Shannon Airport (SNN) are possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some carriers announce their prices up to 12 months before the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to book when the price dips.