Cheap flights from Ireland to Houston from £540

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£540

Popular in

April

Cheapest in

January

Average price

£719
Turkish Airlines
  • Turkish Airlines
  • 30/10-6/11
  • 2 total stops
  • 70h 00m total
  • Ireland to Houston
Highest demand for flights based on searches. 5% potential increase in price (£28 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Ireland to Houston

Cheapest flights from Ireland to Houston
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 29 August 2025.

Thu 30/1015:25DUB - IAH
1 stop33h 45mTurkish Airlines
Thu 6/1121:05IAH - DUB
1 stop36h 15mTurkish Airlines
Deal found 28/8£540
Wed 8/1013:35DUB - IAH
1 stop35h 30mTurkish Airlines
Tue 14/1021:00IAH - DUB
1 stop30h 35mTurkish Airlines
Deal found 28/8£543
Thu 28/813:35DUB - IAH
1 stop29h 05mTurkish Airlines
Wed 10/914:25IAH - DUB
1 stop37h 10mTurkish Airlines
Deal found 27/8£544
Thu 16/1010:35DUB - IAH
1 stop32h 05mTurkish Airlines
Mon 10/1121:05IAH - DUB
1 stop30h 35mTurkish Airlines
Deal found 26/8£546
Fri 21/1115:25DUB - IAH
1 stop33h 45mTurkish Airlines
Wed 3/1214:55IAH - DUB
1 stop18h 35mTurkish Airlines
Deal found 27/8£549
Fri 21/1104:25DUB - IAH
2 stops23h 28mMultiple Airlines
Fri 5/1212:17IAH - DUB
2 stops25h 18mMultiple Airlines
Deal found 26/8£550
Sat 22/1116:50DUB - IAH
1 stop26h 20mTurkish Airlines
Fri 5/1221:05IAH - DUB
1 stop19h 05mTurkish Airlines
Deal found 26/8£551
Fri 10/1013:35DUB - IAH
1 stop35h 30mTurkish Airlines
Tue 14/1021:00IAH - DUB
1 stop30h 35mTurkish Airlines
Deal found 28/8£551
Mon 22/1216:30DUB - IAH
1 stop32h 40mTurkish Airlines
Sun 18/121:05IAH - DUB
1 stop36h 25mTurkish Airlines
Deal found 27/8£571
Sat 6/1212:55DUB - HOU
1 stop13h 23mMultiple Airlines
Sun 21/1212:09HOU - DUB
1 stop13h 01mMultiple Airlines
Deal found 28/8£609
Sun 21/1212:55DUB - HOU
1 stop12h 49mMultiple Airlines
Fri 2/112:09HOU - DUB
1 stop13h 01mMultiple Airlines
Deal found 28/8£610
Wed 5/1105:55DUB - HOU
2 stops17h 53mDelta
Wed 12/1114:32HOU - DUB
2 stops19h 13mDelta
Deal found 27/8£627

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 29 August 2025.
Use the filters below to find and compare flights from Ireland to Houston that are best for you.

Fly from

Ireland

Fly to

Houston

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 30/10

15:25-20:10

1 stop33h 45m

Houston George Bush Intcntl

Thu 6/11

21:05-15:20

1 stop36h 15m

£540

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 8/10

13:35-19:05

1 stop35h 30m

Houston George Bush Intcntl

Tue 14/10

21:00-09:35

1 stop30h 35m

£543

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 16/10

10:35-12:40

1 stop32h 05m

Houston George Bush Intcntl

Mon 10/11

21:05-15:20

1 stop36h 15m

£543

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 21/11

15:25-19:10

1 stop33h 45m

Houston George Bush Intcntl

Wed 3/12

14:55-15:30

1 stop18h 35m

£549

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 21/11

04:25-21:53

2 stops23h 28m

Houston George Bush Intcntl

Fri 5/12

12:17-19:35

2 stops25h 18m

£550

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

16:50-13:10

1 stop26h 20m

Houston George Bush Intcntl

Fri 5/12

21:05-22:10

1 stop19h 05m

£551

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 10/10

13:35-19:05

1 stop35h 30m

Houston George Bush Intcntl

Tue 14/10

21:00-09:35

1 stop30h 35m

£551

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 22/12

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Sun 18/1

21:05-15:30

1 stop36h 25m

£571

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 6/12

12:55-20:18

1 stop13h 23m

Houston Hobby

Sun 21/12

12:09-07:10

1 stop13h 01m

£609

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 21/12

12:55-19:44

1 stop12h 49m

Houston Hobby

Fri 2/1

12:09-07:10

1 stop13h 01m

£610

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 19 results
1
2

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 29 August 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.

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 29 August 2025.
See what other customers who have flown with KLM, Air France, andUnited Airlines from Ireland to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.
  • How long is the flight from Ireland to Houston?

    Departing from Ireland to Houston will take you 17h 53m. There are 4560 mi between Ireland and Houston. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Ireland to Houston that include hotel bookings?

    Yes. In addition to deals on Ireland to Houston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Houston.

  • Can I find deals for business class flights from Ireland to Houston?

    Yes. Cheapflights offers flight deals from Ireland to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ireland to Houston

Discover the top 6 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£483Average£576FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£503Average£649FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£504Average£585FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£569Average£657FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£674Average£906FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£713Average£756FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Houston from Ireland today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.