$342 Cheap Flights from Houston (HOU) to Dublin (DUB)

View $342 flight on Wed, Sep 2, 2026Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Dublin Airport (DUB)

Cheap Flights from Houston to Dublin (HOU-DUB)

Prices were available within the past 7 days and start at $342 for one-way flights and $751 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Nov 9 - Tue, Nov 17
HOU
Houston
DUB
Dublin
$751 Roundtrip, found 3 days ago
$751
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 9 from Houston to Dublin, returning Tue, Nov 17, priced at $751 found 3 days ago
Iberia
Mon, Nov 9 - Tue, Nov 17
HOU
Houston
DUB
Dublin
$751 Roundtrip, found 3 days ago
$751
Roundtrip
found 3 days ago
Select Iberia flight, departing Mon, Nov 9 from Houston to Dublin, returning Tue, Nov 17, priced at $751 found 3 days ago
Iberia
Wed, Oct 28 - Tue, Nov 3
HOU
Houston
DUB
Dublin
$781 Roundtrip, found 5 days ago
$781
Roundtrip
found 5 days ago
Select Iberia flight, departing Wed, Oct 28 from Houston to Dublin, returning Tue, Nov 3, priced at $781 found 5 days ago
Delta
Wed, Aug 12 - Wed, Dec 23
HOU
Houston
DUB
Dublin
$785 Roundtrip, found 6 days ago
$785
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug 12 from Houston to Dublin, returning Wed, Dec 23, priced at $785 found 6 days ago
KLM
Tue, Oct 20 - Wed, Nov 18
HOU
Houston
DUB
Dublin
$807 Roundtrip, found 6 days ago
$807
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Oct 20 from Houston to Dublin, returning Wed, Nov 18, priced at $807 found 6 days ago

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 $941
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $941

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

November is typically the cheapest month to fly

From $433 - $1,238 per traveler.

Frequently asked questions

How much does a flight from Houston, TX (HOU-William P. Hobby) to Dublin (DUB) cost?
You can find cheap one-way flights from $342 and cheap return flights from $751 Houston, TX (HOU-William P. Hobby) to Dublin (DUB) with Expedia. One-way flights typically cost between $482 and $2988, and return flights often range between $671 and $3678. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (HOU-William P. Hobby) to Dublin (DUB) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
November is typically the cheapest month to fly from Houston (HOU) to Dublin (DUB), with average return fares around $552. This price is about 30% lower than the average throughout the year, as demand tends to decrease after the summer travel season. Other cheap months to fly from Houston to Dublin include January and February.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
Enter HOU to DUB and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
KLM is one of the cheapest airlines offering connecting flights from William P. Hobby (HOU) to Dublin (DUB), with round-trip tickets starting from around $1,214. This flight includes a layover in Hartsfield-Jackson Atlanta Intl. (ATL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
To find a cheap flight from Houston, TX (HOU-William P. Hobby) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
For flights from Houston, TX (HOU) to Dublin (DUB), November and February are the best months to travel. Average return flight prices are around $552, making these months a good choice for budget-conscious travelers. November offers a chance to enjoy Dublin's cozy atmosphere, while February is perfect for experiencing the city's winter charm.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from HOU to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
For flights from Houston (HOU) to Dublin (DUB), the most popular departure times are in the late afternoon, from 3pm to 6pm. This accounts for around 30% of total traffic. Many major carriers, including British Airways, United Airlines, and Aer Lingus, offer flights during this window. Many travelers prefer this timing as it allows them to maximize their day in Houston before their flight.
How long does it take to fly from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
Flights from HOU to DUB with one stop typically take around 15 hours, covering approximately 4,563 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
You can fly business class between HOU and DUB. Airlines that offer business class service on this route include:

  • United Airlines
  • British Airways
  • American Airlines
  • Delta Air Lines
  • Air Canada
  • Air France
  • Turkish Airlines
  • KLM
  • Lufthansa

How do I earn miles on a Houston, TX (HOU-William P. Hobby) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a Houston, TX (HOU-William P. Hobby) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Houston, TX (HOU-William P. Hobby) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from Houston, TX (HOU-William P. Hobby) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (HOU-William P. Hobby) to Dublin (DUB) flight and hotel package?
Securing a Houston, TX (HOU-William P. Hobby) to Dublin (DUB) Dublin Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Houston, TX (HOU-William P. Hobby) to Dublin (DUB)?
If you booked your Houston, TX (HOU-William P. Hobby) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
William P. Hobby
Destination airport
Dublin
Airlines serving
Air France, American Airlines, Delta, Iberia, KLM
Roundtrip price
$750
Distance
4562 mi

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 November. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $342 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

*Flight schedules are subject to change.

*Available to One Key members.