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Cheap flights from Ireland to Houston from £344

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
26 May — 2 Jun1
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 26 April 2026.

Thu 27/810:40
DUB
-
IAH
1 stop31h 52m
JetBlue
Sat 12/917:15
IAH
-
DUB
1 stop33h 45m
JetBlue
Deal found 25/4£543
Thu 21/511:30
DUB
-
IAH
1 stop35h 14m
JetBlue
Thu 28/517:44
IAH
-
DUB
1 stop33h 16m
JetBlue
Deal found 23/4£553
Thu 21/519:50
DUB
-
IAH
3 stops34h 02m
Multiple Airlines
Thu 28/506:00
IAH
-
DUB
3 stops31h 05m
Multiple Airlines
Deal found 23/4£596
Tue 15/905:35
DUB
-
IAH
1 stop19h 35m
Turkish Airlines
Wed 23/921:05
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 26/4£601
Wed 9/917:05
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Fri 18/914:30
IAH
-
DUB
1 stop19h 10m
Turkish Airlines
Deal found 26/4£610
Sun 3/510:40
DUB
-
IAH
1 stop31h 04m
JetBlue
Sun 24/517:44
IAH
-
DUB
1 stop33h 16m
JetBlue
Deal found 22/4£613
Sat 12/905:35
DUB
-
IAH
1 stop19h 35m
Turkish Airlines
Sun 20/921:05
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 26/4£618
Mon 5/1017:05
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Tue 13/1021:05
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 26/4£623
Fri 2/1005:35
DUB
-
IAH
1 stop19h 35m
Turkish Airlines
Fri 9/1014:30
IAH
-
DUB
1 stop19h 10m
Turkish Airlines
Deal found 26/4£640
Sat 16/511:35
DUB
-
IAH
1 stop26h 54m
United Airlines
Sun 17/512:12
IAH
-
DUB
1 stop13h 08m
United Airlines
Deal found 25/4£643
Thu 21/512:40
DUB
-
HOU
1 stop13h 11m
British Airways
Thu 28/509:30
HOU
-
DUB
1 stop18h 15m
British Airways
Deal found 23/4£705
Tue 9/612:40
DUB
-
HOU
1 stop26h 17m
Multiple Airlines
Tue 16/609:30
HOU
-
DUB
1 stop18h 15m
Multiple Airlines
Deal found 24/4£721

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 26 April 2026.

Round-trip from

£543

One-way from

£344

Popular in

August

Cheapest in

November

Average price

£754
JetBlue
  • JetBlue
  • 27/8-12/9
  • 2 total stops
  • 65h 37m total
  • Ireland to Houston
Search Deals
WestJet
  • WestJet
  • 11/6
  • 3 total stops
  • 34h 15m total
  • Ireland to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 26 April 2026.
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

Cheapest return flight

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 21/9

05:55-19:10

1 stop19h 15m

Houston George Bush Intcntl

Tue 29/9

21:05-23:05

1 stop20h 00m

£601

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 9/9

17:05-19:10

1 stop32h 05m

Houston George Bush Intcntl

Thu 17/9

21:05-23:05

1 stop20h 00m

£601

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 14/9

05:55-19:10

1 stop19h 15m

Houston George Bush Intcntl

Tue 22/9

21:05-23:05

1 stop20h 00m

£601

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 23/9

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

Fri 2/10

14:30-15:40

1 stop19h 10m

£610

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 20/9

05:45-19:10

1 stop19h 25m

Houston George Bush Intcntl

Sat 26/9

21:05-23:05

1 stop20h 00m

£618

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 4/10

05:45-19:10

1 stop19h 25m

Houston George Bush Intcntl

Sun 11/10

21:05-23:05

1 stop20h 00m

£618

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 21/5

19:50-23:52

3 stops34h 02m

Houston George Bush Intcntl

Thu 28/5

06:50-19:05

2 stops30h 15m

£624

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

£645

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 28/5

15:30-13:20

1 stop27h 50m

Houston George Bush Intcntl

Sat 13/6

15:25-09:40

1 stop12h 15m

£690

DublinHouston

DUB - HOU

DUBHOU

Dublin

Tue 13/10

11:10-09:26

2 stops28h 16m

Houston Hobby

Sun 18/10

10:05-15:25

2 stops23h 20m

£772

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of £485). Flying from Ireland to Houston in August is currently the most expensive (average of £615). 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 26 April 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
7.8
Good
1,508 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Crew

8.4

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
7.8
Good
1,508 reviews
KLM
7.8
Good
1,508 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Crew

8.4

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
9,664 reviews
KLM
7.8
Good
1,508 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Crew

8.4

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
7.1
Good
11,668 reviews
KLM
7.8
Good
1,508 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Crew

8.4

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
7,917 reviews
KLM
7.8
Good
1,508 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Entertainment

7.1

Crew

8.4

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 19h 15m. There are 4545 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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of £485). Flying from Ireland to Houston in August is currently the most expensive (average of £615). 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

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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.
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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 26 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£539Average£737FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£579Average£719FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£589Average£702FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£717Average£904FlexibilityNo 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.

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