Find flights
When to book
Airlines
FAQs

Cheap flights from Ireland to Houston from £335

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

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 21 February 2026.

Sun 1/310:40
DUB
-
IAH
1 stop38h 30m
Turkish Airlines
Wed 11/315:55
IAH
-
DUB
1 stop18h 35m
Turkish Airlines
Deal found 20/2£546
Mon 13/409:30
DUB
-
IAH
1 stop15h 49m
Multiple Airlines
Mon 27/421:05
IAH
-
DUB
1 stop16h 30m
Multiple Airlines
Deal found 19/2£549
Mon 23/216:30
DUB
-
IAH
1 stop32h 40m
Turkish Airlines
Mon 9/322:05
IAH
-
DUB
1 stop36h 05m
Turkish Airlines
Deal found 19/2£551
Fri 5/620:10
DUB
-
IAH
1 stop23h 15m
Multiple Airlines
Mon 15/621:05
IAH
-
DUB
1 stop15h 35m
Multiple Airlines
Deal found 18/2£553
Mon 13/409:30
DUB
-
IAH
1 stop15h 49m
Finnair
Mon 27/413:45
IAH
-
DUB
1 stop14h 00m
Finnair
Deal found 18/2£556
Tue 13/1019:30
DUB
-
IAH
1 stop23h 55m
Multiple Airlines
Sun 18/1012:15
IAH
-
DUB
1 stop15h 30m
Multiple Airlines
Deal found 18/2£558
Tue 13/1017:05
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Sun 18/1021:05
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 19/2£564
Mon 9/310:40
DUB
-
IAH
1 stop38h 30m
Turkish Airlines
Mon 23/322:05
IAH
-
DUB
1 stop30h 35m
Turkish Airlines
Deal found 18/2£572
Sat 7/305:55
DUB
-
HOU
2 stops33h 28m
Delta
Fri 20/314:13
HOU
-
DUB
1 stop12h 32m
Delta
Deal found 19/2£634
Sat 7/309:45
DUB
-
HOU
1 stop29h 38m
KLM
Fri 20/314:13
HOU
-
DUB
1 stop12h 32m
KLM
Deal found 19/2£641
Tue 17/305:55
DUB
-
HOU
2 stops21h 47m
Delta
Tue 24/306:00
HOU
-
DUB
2 stops21h 45m
Delta
Deal found 17/2£653
Tue 24/310:45
DUB
-
HOU
2 stops16h 57m
Delta
Tue 7/414:13
HOU
-
DUB
1 stop12h 32m
Delta
Deal found 19/2£659

Find flight deals from Ireland to Houston

Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated 21 February 2026.

Round-trip from

£549

One-way from

£335

Popular in

April

Cheapest in

September

Average price

£660
13/4-27/4
  • 13/4-27/4
  • 2 total stops
  • 32h 19m total
  • Ireland to Houston
Search Deals
7/3
  • 7/3
  • 3 total stops
  • 58h 44m total
  • Ireland to Houston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 21 February 2026.
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

Mon 13/4

09:30-19:19

1 stop15h 49m

Houston George Bush Intcntl

Mon 27/4

21:05-19:35

1 stop16h 30m

£549

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 5/6

20:10-13:25

1 stop23h 15m

Houston George Bush Intcntl

Mon 15/6

21:05-18:40

1 stop15h 35m

£553

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

16:30-20:10

1 stop32h 40m

Houston George Bush Intcntl

Wed 25/3

22:05-22:10

1 stop19h 05m

£572

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/3

10:40-14:10

1 stop32h 30m

Houston George Bush Intcntl

Thu 19/3

22:05-09:40

1 stop30h 35m

£572

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Tue 24/3

22:05-22:10

1 stop19h 05m

£572

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/3

10:40-14:10

1 stop32h 30m

Houston George Bush Intcntl

Wed 25/3

15:55-22:10

1 stop25h 15m

£572

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/3

10:40-14:10

1 stop32h 30m

Houston George Bush Intcntl

Tue 24/3

22:05-22:10

1 stop19h 05m

£572

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

16:30-20:10

1 stop32h 40m

Houston George Bush Intcntl

Thu 19/3

22:05-15:20

1 stop36h 15m

£572

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Mon 23/3

22:05-09:40

1 stop30h 35m

£572

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 16/5

11:35-08:29

1 stop26h 54m

Houston George Bush Intcntl

Sun 17/5

12:12-07:20

1 stop13h 08m

£573

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 37 results
1
2
3
4

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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of £405). Flying from Ireland to Houston in December is currently the most expensive (average of £600). 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.

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 21 February 2026.
See what other customers who have flown with KLM, United Airlines, andAmerican 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.
KLM
7.7
Good
1,457 reviews
Check prices

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,457 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,341 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
American Airlines
7.2
Good
11,336 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,757 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.6

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 29h 38m. 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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of £405). Flying from Ireland to Houston in December is currently the most expensive (average of £600). 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.
Heathrow to Dallas/Fort Worth flights
Heathrow to Hobby flights
Heathrow to George Bush Intcntl flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Austin flights
Heathrow to Love Field flights
Gatwick to Hobby flights
London City to Dallas/Fort Worth flights
Stansted to Dallas/Fort Worth flights
London City to Hobby flights
Gatwick to George Bush Intcntl flights
London City to George Bush Intcntl flights
Stansted to Hobby flights
Manchester to Dallas/Fort Worth flights
Gatwick to Austin flights
Manchester to Hobby flights
London City to Austin flights
Luton to Dallas/Fort Worth flights
Gatwick to Love Field flights
Manchester to George Bush Intcntl flights
Manchester to Love Field flights
Manchester to Austin flights
Stansted to Austin flights
Edinburgh to Hobby flights
Newcastle upon Tyne to Dallas/Fort Worth flights
Heathrow to San Antonio flights
Edinburgh to Dallas/Fort Worth flights
Newcastle upon Tyne to Hobby flights
Belfast Intl to Dallas/Fort Worth flights
Birmingham to Dallas/Fort Worth flights
Belfast Intl to Hobby flights
Edinburgh to George Bush Intcntl flights
Glasgow Intl to Hobby flights
Gatwick to San Antonio flights
Madrid to George Bush Intcntl flights
Newcastle upon Tyne to George Bush Intcntl flights
Edinburgh to Austin flights
Glasgow Intl to George Bush Intcntl flights
Belfast City to Dallas/Fort Worth flights
Aberdeen to Hobby flights
Belfast Intl to George Bush Intcntl flights
Manchester to El Paso flights
Birmingham to Hobby flights
Birmingham to Austin flights
Glasgow Intl to Dallas/Fort Worth flights
Istanbul to Dallas/Fort Worth flights
Leeds to Hobby flights

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 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£523Average£740FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£558Average£720FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£592Average£682FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£721Average£908FlexibilityNo cancel feeOn-time71%
Search American Airlines 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.