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Cheap flights from Ireland to Houston from £427

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
21 Feb — 28 Feb1
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 22 January 2026.

Thu 29/106:40
DUB
-
IAH
2 stops32h 20m
Multiple Airlines
Tue 10/216:30
IAH
-
DUB
1 stop17h 55m
Multiple Airlines
Deal found 20/1£427
Thu 29/106:40
DUB
-
IAH
2 stops32h 20m
Multiple Airlines
Fri 6/216:30
IAH
-
DUB
1 stop12h 40m
Multiple Airlines
Deal found 20/1£466
Tue 5/521:35
DUB
-
IAH
2 stops32h 16m
Multiple Airlines
Sun 10/507:05
IAH
-
DUB
1 stop15h 25m
Multiple Airlines
Deal found 21/1£486
Thu 29/106:40
DUB
-
IAH
2 stops22h 54m
Multiple Airlines
Mon 9/212:10
IAH
-
DUB
2 stops37h 00m
Multiple Airlines
Deal found 20/1£490
Thu 29/106:40
DUB
-
IAH
2 stops22h 54m
Multiple Airlines
Sun 8/216:30
IAH
-
DUB
2 stops19h 30m
Multiple Airlines
Deal found 20/1£508
Tue 27/116:30
DUB
-
IAH
1 stop26h 40m
Turkish Airlines
Mon 9/221:05
IAH
-
DUB
1 stop30h 35m
Turkish Airlines
Deal found 20/1£540
Wed 28/108:50
DUB
-
HOU
2 stops19h 43m
Delta
Thu 5/205:45
HOU
-
DUB
2 stops21h 00m
Delta
Deal found 20/1£609
Thu 29/113:25
DUB
-
HOU
2 stops26h 56m
Delta
Mon 9/217:04
HOU
-
DUB
2 stops16h 41m
Delta
Deal found 20/1£610
Sat 7/208:55
DUB
-
HOU
2 stops19h 38m
Delta
Sun 15/205:25
HOU
-
DUB
2 stops28h 20m
Delta
Deal found 20/1£610
Wed 28/105:55
DUB
-
HOU
2 stops22h 38m
Delta
Sun 8/205:45
HOU
-
DUB
2 stops20h 20m
Delta
Deal found 20/1£613
Sun 22/209:45
DUB
-
HOU
1 stop12h 43m
Delta
Mon 9/311:33
HOU
-
DUB
2 stops23h 12m
Delta
Deal found 21/1£617
Fri 30/111:30
DUB
-
HOU
2 stops17h 16m
American Airlines
Tue 10/212:47
HOU
-
DUB
2 stops13h 53m
American Airlines
Deal found 20/1£618

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 22 January 2026.

Round-trip from

£486

One-way from

£463

Popular in

April

Cheapest in

September

Average price

£660
5/5-10/5
  • 5/5-10/5
  • 3 total stops
  • 47h 41m total
  • Ireland to Houston
Search Deals
14/4
  • 14/4
  • 1 total stop
  • 23h 55m total
  • Ireland to Houston
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 22 January 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

Tue 5/5

21:35-23:51

2 stops32h 16m

Houston George Bush Intcntl

Sun 10/5

07:05-04:30

1 stop15h 25m

£486

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 2/6

09:30-23:53

1 stop20h 23m

Houston George Bush Intcntl

Sun 7/6

14:04-09:45

1 stop13h 41m

£548

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 5/5

09:30-19:04

1 stop15h 34m

Houston George Bush Intcntl

Sun 10/5

13:46-09:45

1 stop13h 59m

£549

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 7/3

10:40-13:10

1 stop32h 30m

Houston George Bush Intcntl

Fri 20/3

22:05-22:10

1 stop19h 05m

£562

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 16/5

12:40-19:18

1 stop12h 38m

Houston George Bush Intcntl

Sun 17/5

21:05-19:35

1 stop16h 30m

£562

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 6/2

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Mon 9/2

21:05-09:40

1 stop30h 35m

£573

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 1/2

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Thu 12/2

21:05-09:40

1 stop30h 35m

£575

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 1/2

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Mon 9/2

21:05-15:30

1 stop36h 25m

£575

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 1/2

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Tue 10/2

21:05-22:10

1 stop19h 05m

£575

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 1/2

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Fri 6/2

21:05-09:40

1 stop30h 35m

£582

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 26 results
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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 £418). Flying from Ireland to Houston in June is currently the most expensive (average of £634). 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 22 January 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
1,442 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,190 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
American Airlines
7.2
Good
11,173 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,689 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 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 £418). Flying from Ireland to Houston in June is currently the most expensive (average of £634). 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£516Average£702FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£524Average£720FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£594Average£682FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£723Average£911FlexibilityNo 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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