
Popular airlines from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)
- British Airways
British Airways
- Aer Lingus
Aer Lingus
- Lufthansa
Lufthansa
- Air Canada
Air Canada
- Brussels Airlines
Brussels Airlines
- Iberia
Iberia
- Austrian Airlines
Austrian Airlines
- Plan, book, fly with confidence
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Cheap Flights from Houston to Dublin (IAH-DUB)
Prices were available within the past 7 days and start at $354 for one-way flights and $560 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Houston (IAH) to Dublin (DUB)
November is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near Dublin
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | George Bush Intercontinental |
Destination airport | Dublin |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, WestJet |
Roundtrip price | $560 |
Distance | 4548 mi |
Houston to Dublin Flights
The cheapest times to fly from Houston to Dublin
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 Dublin are during the month of May. You can find some of the cheapest flights from Houston to Dublin with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Houston to Dublin
Sunday is one of the best days to book for cheap flights from Houston to Dublin: 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 Dublin
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 Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $354 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 Dublin 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 Dublin 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.
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Top Routes from Houston
- Houston to Chicago (IAH - ORD)
- Houston to Newark Liberty Intl. Airport (IAH - EWR)
- Houston to Mexico City (IAH - MEX)
- Houston to Los Angeles (IAH - LAX)
- Houston to Miami (IAH - MIA)
- Houston to Punta Cana (IAH - PUJ)
- Houston to New York (IAH - LGA)
- Houston to Boston (IAH - BOS)
- Houston to Fort Lauderdale (IAH - FLL)
- Houston to Toluca (IAH - TLC)
- Houston to Denver (IAH - DEN)
- Houston to New York (IAH - JFK)
Top Routes to Dublin
- Chicago to Dublin (ORD - DUB)
- Newark Liberty Intl. Airport to Dublin (EWR - DUB)
- Los Angeles to Dublin (LAX - DUB)
- Washington to Dublin (DCA - DUB)
- Boston to Dublin (BOS - DUB)
- New York to Dublin (LGA - DUB)
- Minneapolis to Dublin (MSP - DUB)
- Denver to Dublin (DEN - DUB)
- Washington to Dublin (IAD - DUB)
- New York to Dublin (JFK - DUB)
- Seattle to Dublin (SEA - DUB)
- Dallas to Dublin (DFW - DUB)
Top Routes from Houston
- Spirit Airlines Houston to Chicago
- Spirit Airlines Houston to Newark Liberty Intl. Airport
- Aeromexico Houston to Mexico City
- Spirit Airlines Houston to Los Angeles
- Spirit Airlines Houston to New York
- JetBlue Airways Houston to Boston
- Spirit Airlines Houston to Fort Lauderdale
- Frontier Airlines Houston to Denver
- American Airlines Houston to New York
- Alaska Airlines Houston to Seattle
Top Routes to Dublin
- Aer Lingus Chicago to Dublin
- Lufthansa Newark Liberty Intl. Airport to Dublin
- Aer Lingus Boston to Dublin
- British Airways Denver to Dublin
- British Airways New York to Dublin
- British Airways Dallas to Dublin
- British Airways Baltimore to Dublin
- British Airways Philadelphia to Dublin
- British Airways London to Dublin
Top Flight Destinations
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Houston
Nearby Airports
- William P. Hobby Airport (HOU)
- Ellington Field Airport (EFD)
- Eagle Lake Airport (ELA)
- Beaumont Municipal Airport (BMT)
- Easterwood Airport (CLL)
- Southeast Texas Regional Airport (BPT)
- A L Mangham Jr. Regional Airport (OCH)
- Victoria Regional Airport (VCT)
- Lake Charles Regional Airport (LCH)
- Austin-Bergstrom Intl. Airport (AUS)
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