Popular airlines from George Bush Intercontinental Airport (IAH) to Shannon Airport (SNN)
Air CanadaAir Canada
British AirwaysBritish Airways
Aer LingusAer Lingus
UnitedUnited
American AirlinesAmerican Airlines
DeltaDelta
LufthansaLufthansa
Cheap Flights from Houston to Shannon (IAH-SNN)
Prices were available within the past 7 days and start at $488 for one-way flights and $625 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Origin airport | George Bush Intercontinental |
Destination airport | Shannon |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, JetBlue Airways, KLM, Lufthansa, United |
Roundtrip price | $625 |
Distance | 4457 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 July. 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 $488 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
Explore a world of travel with Expedia
Flights
- Spirit Airlines Houston (IAH) to Atlanta (ATL) flights
- Spirit Airlines Houston (IAH) to Fort Lauderdale (FLL) flights
- Frontier Airlines Houston (IAH) to Denver (DEN) flights
- Spirit Airlines Houston (IAH) to New York (LGA) flights
- Spirit Airlines Houston (IAH) to Baltimore (BWI) flights
- Spirit Airlines Houston (IAH) to Newark Liberty Intl. Airport (EWR) flights
- JetBlue Airways Houston (IAH) to New York (JFK) flights
- United Houston (IAH) to San Pedro Sula (SAP) flights
- Spirit Airlines Houston (IAH) to Chicago (ORD) flights
- Air Canada Charlotte (CLT) to Shannon (SNN) flights
- Aer Lingus Boston (BOS) to Shannon (SNN) flights
- British Airways Los Angeles (LAX) to Shannon (SNN) flights
- British Airways Washington (IAD) to Shannon (SNN) flights
- British Airways Chicago (ORD) to Shannon (SNN) flights
- American Airlines Raleigh (RDU) to Shannon (SNN) flights
- Air Canada Washington (DCA) to Shannon (SNN) flights
- American Airlines Detroit (DTW) to Shannon (SNN) flights
- Air Canada New York (LGA) to Shannon (SNN) flights
- Air Canada Minneapolis (MSP) to Shannon (SNN) flights
- Flights from Beaumont Municipal
- Flights from Victoria Regional
- Flights from Ellington Field
- Flights from Easterwood
- Flights from A L Mangham Jr. Regional
- Flights from Eagle Lake
- Flights from Lake Charles Regional
- Flights from Southeast Texas Regional
- Flights from William P. Hobby
- Flights from Austin-Bergstrom Intl.
- Flights from Dallas (DFW) to Atlanta (ATL)
- Flights from Houston (IAH) to Fort Lauderdale (FLL)
- Flights from Houston (IAH) to Denver (DEN)
- Flights from Dallas (DFW) to Denver (DEN)
- Flights from Dallas (DFW) to Seattle (SEA)
- Flights from Dallas (DFW) to Orlando (MCO)
- Flights from Houston (IAH) to New York (LGA)
- Flights from Houston (IAH) to Toluca (TLC)
- Flights from Atlanta (ATL) to Dallas (DFW)
- Flights from New York (NYC) to Dallas (DFW)
- Flights from Seattle (SEA) to Dallas (DFW)
- Flights from Chicago (ORD) to Dallas (DFW)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from Houston (HOU) to Dallas (DFW)
- Flights from Los Angeles (LAX) to Houston (IAH)
- Flights from Austin (AUS) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Las Vegas (LAS)
- Flights from Houston (IAH) to Las Vegas (LAS)
- Flights from San Antonio (SAT) to Las Vegas (LAS)
- Flights from Houston (IAH) to Baltimore (BWI)
- Flights from Houston (IAH) to Newark Liberty Intl. Airport (EWR)
- Flights from Dallas (DFW) to Honolulu (HNL)
- Flights from Dallas (DFW) to Houston (HOU)
- Flights from Houston (IAH) to New York (JFK)
- Flights from Chicago (ORD) to Houston (HOU)
- Flights from Atlanta (ATL) to Houston (HOU)
- Flights from Dallas (DFW) to Phoenix (PHX)
- Flights from Houston (IAH) to San Pedro Sula (SAP)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights from Houston (IAH) to Chicago (ORD)
- Flights from Houston (IAH) to Miami (MIA)
- Flights from Dallas (DFW) to Miami (MIA)
- Flights from Boston (BOS) to Shannon (SNN)
- Flights from Minneapolis (MSP) to Shannon (SNN)
- Flights from Detroit (DTW) to Shannon (SNN)
- Flights from Los Angeles (LAX) to Shannon (SNN)
- Flights from Chicago (ORD) to Shannon (SNN)
- Flights from Washington (DCA) to Shannon (SNN)
- Flights from Raleigh (RDU) to Shannon (SNN)
- Flights from Newark Liberty Intl. Airport (EWR) to Shannon (SNN)
- Flights from Denver (DEN) to Shannon (SNN)
- Flights from Charlotte (CLT) to Shannon (SNN)
- Flights from New York (LGA) to Shannon (SNN)
- Flights from Hartford (BDL) to Shannon (SNN)
- Flights from Dallas (DFW) to Cancun (CUN)
- Flights from Houston (HOU) to Cancun (CUN)
- Flights from Houston (IAH) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Los Angeles (LAX)
- Flights from Dallas (DFW) to New York (NYC)
- Flights from Houston (HOU) to New York (NYC)
- Flights from Houston (IAH) to Mexico City (MEX)
- Flights to Cork
- Flights to Kilkenny
- Flights to Letterkenny
- Flights to Galway
- Flights to Westport
- Flights to Dunquin
- Flights to Doolin
- Flights to Athlone
- Flights to Donegal
- Flights to Sligo
- Flights to Wexford
- Flights to Cong
- Flights to Dingle
- Flights to Waterford
- Flights to Dublin
- Flights to Tralee
- Flights to Kinsale
- Flights to Limerick
- Flights to Ennis
- Flights to Killarney
- Spirit Airlines
- Alaska Airlines
- Air Canada
- avianca
- Delta
- Emirates
- Copa
- Viva Aerobus
- British Airways
- United
- Frontier Airlines
- Lufthansa
- Aeromexico
- JetBlue Airways
- American Airlines
- Turkish Airlines