$419 Cheap Flights from Dublin (DUB) to Houston (IAH)

View $419 flight on Sun, May 3, 2026Opens in a new window

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

Cheap Flights from Dublin to Houston (DUB-IAH)

Prices were available within the past 7 days and start at $419 for one-way flights and $754 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Wed, Mar 4 - Tue, Mar 17
DUB
Dublin
IAH
Houston
$754 Roundtrip, found 21 hours ago
$754
Roundtrip
found 21 hours ago
Select Turkish Airlines flight, departing Wed, Mar 4 from Dublin to Houston, returning Tue, Mar 17, priced at $754 found 21 hours ago
Turkish Airlines
Mon, Feb 23 - Mon, Mar 2
DUB
Dublin
IAH
Houston
$756 Roundtrip, found 2 days ago
$756
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Mon, Feb 23 from Dublin to Houston, returning Mon, Mar 2, priced at $756 found 2 days ago
Turkish Airlines
Mon, Feb 2 - Wed, Feb 11
DUB
Dublin
IAH
Houston
$758 Roundtrip, found 3 days ago
$758
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Mon, Feb 2 from Dublin to Houston, returning Wed, Feb 11, priced at $758 found 3 days ago
Turkish Airlines
Thu, Apr 30 - Mon, May 11
DUB
Dublin
IAH
Houston
$759 Roundtrip, found 17 hours ago
$759
Roundtrip
found 17 hours ago
Select Turkish Airlines flight, departing Thu, Apr 30 from Dublin to Houston, returning Mon, May 11, priced at $759 found 17 hours ago
JetBlue Airways
Sat, Apr 18 - Tue, Apr 28
DUB
Dublin
IAH
Houston
$764 Roundtrip, found 3 days ago
$764
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sat, Apr 18 from Dublin to Houston, returning Tue, Apr 28, priced at $764 found 3 days ago
WestJet
Tue, May 5 - Thu, May 14
DUB
Dublin
IAH
Houston
$812 Roundtrip, found 17 hours ago
$812
Roundtrip
found 17 hours ago
Select WestJet flight, departing Tue, May 5 from Dublin to Houston, returning Thu, May 14, priced at $812 found 17 hours ago
Iberia
Fri, Nov 14 - Sun, Nov 16
DUB
Dublin
IAH
Houston
$832 Roundtrip, found 6 days ago
$832
Roundtrip
found 6 days ago
Select Iberia flight, departing Fri, Nov 14 from Dublin to Houston, returning Sun, Nov 16, priced at $832 found 6 days ago
British Airways
Thu, Dec 18 - Mon, Jan 5
DUB
Dublin
IAH
Houston
$832 Roundtrip, just found
$832
Roundtrip
just found
Select British Airways flight, departing Thu, Dec 18 from Dublin to Houston, returning Mon, Jan 5, priced at $832 just found
Lufthansa
Wed, Nov 12 - Tue, Nov 18
DUB
Dublin
IAH
Houston
$835 Roundtrip, found 1 hour ago
$835
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Wed, Nov 12 from Dublin to Houston, returning Tue, Nov 18, priced at $835 found 1 hour ago
Air Canada
Wed, Nov 12 - Tue, Nov 18
DUB
Dublin
IAH
Houston
$852 Roundtrip, found 1 hour ago
$852
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Wed, Nov 12 from Dublin to Houston, returning Tue, Nov 18, priced at $852 found 1 hour ago

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

May is typically the cheapest month to fly

From $629 - $1,072 per traveler.

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $833
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $833

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH) cost?
Lock in a cheap one-way flight from $419 or cheap return flight from $754 from Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH)?
Traveling in March is a good way to save, as it's the cheapest month for flights between DUB and IAH. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from DUB to IAH. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH)?
There aren't any daily nonstop flights available from Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from DUB to IAH?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline 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 Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH)?
To reach George Bush Intercontinental Airport (IAH) on schedule, book a flight that leaves from Dublin Airport (DUB) before 3 PM. The chance 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 Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH) last-minute?
Booking your flight from DUB to IAH shortly before your getaway is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a DUB to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a DUB to IAH flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to George Bush Intercontinental Airport (IAH)?
If you reserved your DUB to IAH flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Dublin
Destination airport
George Bush Intercontinental
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
$754
Distance
4548 mi

Book with confidence

Dublin to Houston Flights

The cheapest times to fly from Dublin to Houston

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

 

The best time to book a flight from Dublin to Houston

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

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 Dublin to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $419 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 Dublin to Houston 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 Dublin to Houston 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.

 

Dublin to Houston Flights

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*Available to One Key members.