$244 Cheap Flights from Houston (IAH) to Dublin (DUB)

View $244 flight on Sat, Oct 25, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)

Cheap Flights from Houston to Dublin (IAH-DUB)

Prices were available within the past 7 days and start at $244 for one-way flights and $526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jan 11 - Wed, Jan 28
IAH
Houston
DUB
Dublin
$526 Roundtrip, found 3 hours ago
$526
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Jan 11 from Houston to Dublin, returning Wed, Jan 28, priced at $526 found 3 hours ago
United
Mon, Nov 10 - Wed, Nov 19
IAH
Houston
DUB
Dublin
$537 Roundtrip, just found
$537
Roundtrip
just found
Select United flight, departing Mon, Nov 10 from Houston to Dublin, returning Wed, Nov 19, priced at $537 just found
American Airlines
Tue, Nov 11 - Thu, Nov 20
IAH
Houston
DUB
Dublin
$537 Roundtrip, found 11 hours ago
$537
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Tue, Nov 11 from Houston to Dublin, returning Thu, Nov 20, priced at $537 found 11 hours ago
United
Tue, Feb 17 - Wed, Feb 25
IAH
Houston
DUB
Dublin
$537 Roundtrip, found 1 hour ago
$537
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Feb 17 from Houston to Dublin, returning Wed, Feb 25, priced at $537 found 1 hour ago
Air Canada
Sun, Oct 19 - Tue, Nov 4
IAH
Houston
DUB
Dublin
$539 Roundtrip, found 2 hours ago
$539
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sun, Oct 19 from Houston to Dublin, returning Tue, Nov 4, priced at $539 found 2 hours ago
British Airways
Tue, Feb 17 - Wed, Feb 25
IAH
Houston
DUB
Dublin
$539 Roundtrip, found 1 hour ago
$539
Roundtrip
found 1 hour ago
Select British Airways flight, departing Tue, Feb 17 from Houston to Dublin, returning Wed, Feb 25, priced at $539 found 1 hour ago
Air Canada
Tue, Feb 17 - Wed, Feb 25
IAH
Houston
DUB
Dublin
$539 Roundtrip, found 1 hour ago
$539
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Tue, Feb 17 from Houston to Dublin, returning Wed, Feb 25, priced at $539 found 1 hour ago
Lufthansa
Wed, Nov 12 - Wed, Nov 19
IAH
Houston
DUB
Dublin
$552 Roundtrip, found 1 hour ago
$552
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Wed, Nov 12 from Houston to Dublin, returning Wed, Nov 19, priced at $552 found 1 hour ago
United
Mon, Oct 27 - Wed, Nov 5
IAH
Houston
DUB
Dublin
$553 Roundtrip, found 1 hour ago
$553
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Oct 27 from Houston to Dublin, returning Wed, Nov 5, priced at $553 found 1 hour ago
Delta
Wed, Oct 29 - Tue, Nov 4
IAH
Houston
DUB
Dublin
$571 Roundtrip, found 1 day ago
$571
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Oct 29 from Houston to Dublin, returning Tue, Nov 4, priced at $571 found 1 day ago

Find the cheapest month to fly from Houston (IAH) to Dublin (DUB)

November is typically the cheapest month to fly

From $520 - $1,203 per traveler.

Alternative airports near Dublin

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

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $722
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $722

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB) cost?
Snag a cheap one-way flight from $244 or cheap return flight from $526 from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB) 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 George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)?
Traveling in January can help you save, as it's the cheapest month for flights between IAH and DUB. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)?
To find the cheapest airline flying from IAH to DUB, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)?
Nonstop flights from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to DUB?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)?
Choose a flight from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB) last-minute?
Waiting until right before your break to book a flight from IAH to DUB often results in higher prices. While you may come across some last-minute deals, there's no guarantee. Be flexible with your travel plans to maximize your chances of landing a bargain.
Is it cheaper to book an IAH to DUB flight and hotel package?
Opting for an IAH to DUB flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)?
Typically, it's possible to reschedule or cancel your IAH to DUB flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

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
$525
Distance
4548 mi

Book with confidence

Book with confidence

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 January. 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 $244 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.

 

Houston to Dublin Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.