Cheap flights from Ireland to Houston from £445
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ireland to Houston
Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated 1 May 2025.
Find flight deals from Ireland to Houston
Cheapest flights from Ireland to HoustonExplore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.
Explore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Ireland to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 May 2025.
Use the filters below to find and compare flights from Ireland to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinHouston
DUB - IAH
DUBIAH
Dublin
Thu 25/9
13:35-19:05
1 stop35h 30m
Houston George Bush Intcntl
Wed 8/10
14:25-15:55
1 stop19h 30m
DublinHouston
DUB - IAH
DUBIAH
Dublin
Mon 12/5
10:40-18:03
1 stop13h 23m
Houston George Bush Intcntl
Wed 28/5
11:49-09:00
1 stop15h 11m
DublinHouston
DUB - IAH
DUBIAH
Dublin
Thu 5/6
16:20-23:01
2 stops36h 41m
Houston George Bush Intcntl
Sun 22/6
10:08-22:05
2 stops29h 57m
DublinHouston
DUB - IAH
DUBIAH
Dublin
Wed 14/5
09:20-18:50
1 stop15h 30m
Houston George Bush Intcntl
Sun 25/5
14:14-09:45
1 stop13h 31m
DublinHouston
DUB - HOU
DUBHOU
Dublin
Fri 19/9
11:00-17:47
1 stop12h 47m
Houston Hobby
Fri 26/9
13:00-08:45
1 stop13h 45m
DublinHouston
DUB - IAH
DUBIAH
Dublin
Wed 21/5
05:55-13:15
1 stop13h 20m
Houston George Bush Intcntl
Wed 28/5
06:37-07:55
1 stop19h 18m
DublinHouston
DUB - IAH
DUBIAH
Dublin
Tue 20/5
05:55-13:15
1 stop13h 20m
Houston George Bush Intcntl
Tue 27/5
15:30-12:35
1 stop15h 05m
DublinHouston
DUB - HOU
DUBHOU
Dublin
Mon 12/5
08:55-22:21
2 stops19h 26m
Houston Hobby
Wed 28/5
10:22-07:55
2 stops15h 33m
DublinHouston
DUB - IAH
DUBIAH
Dublin
Mon 12/5
18:40-20:11
2 stops31h 31m
Houston George Bush Intcntl
Wed 28/5
16:20-07:50
2 stops33h 30m
DublinHouston
DUB - IAH
DUBIAH
Dublin
Thu 5/6
10:40-19:15
1 stop14h 35m
Houston George Bush Intcntl
Sun 22/6
15:20-09:40
1 stop12h 20m
Best time to book a flight from Ireland to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Ireland with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ireland to Houston
What is the cheapest month to book a flight from Ireland to Houston?
Currently, January is the cheapest month in which you can book a flight from Ireland to Houston (average of £765). Flying from Ireland to Houston in July is currently the most expensive (average of £1,114). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IE to HOU?
Find hourly flight availability from Ireland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 May 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Houston as you normally would.
Rainfall in Houston by month
Plan your trip to Houston by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.
Temperature in Houston by month
Plan your trip to Houston by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated 1 May 2025.
Read through reviews of airlines operating flights from Ireland to Houston, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Crew
Overall
Comfort
Food
Boarding
Entertainment
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Ireland to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Ireland to Houston
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ireland to Houston
Discover the top 4 airlines that operate flights from Ireland to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 May 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ireland to Houston?
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Why should you use Cheapflights to find cheap flight tickets from Ireland to Houston?
Cheapflights simply makes it quick and affordable to book flights from Ireland to Houston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ireland to Houston with no change fees?
Yes, we can. To see specific flights from Ireland to Houston with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Ireland to Houston become cheaper?
Of course! You can now track prices for flights from Ireland to Houston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.