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Cheap flights from Ireland to Houston from £437

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
6 Apr — 13 Apr1
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 7 March 2026.

Mon 13/409:30
DUB
-
IAH
1 stop15h 49m
Multiple Airlines
Mon 27/421:05
IAH
-
DUB
1 stop16h 30m
Multiple Airlines
Deal found 4/3£545
Fri 3/409:30
DUB
-
IAH
1 stop14h 22m
Multiple Airlines
Thu 16/421:05
IAH
-
DUB
1 stop16h 15m
Multiple Airlines
Deal found 3/3£549
Thu 9/410:40
DUB
-
IAH
1 stop38h 30m
Turkish Airlines
Wed 22/421:05
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 6/3£550
Mon 13/417:05
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Tue 28/421:05
IAH
-
DUB
1 stop36h 55m
Turkish Airlines
Deal found 5/3£551
Tue 24/310:40
DUB
-
IAH
1 stop38h 30m
Turkish Airlines
Tue 7/421:05
IAH
-
DUB
1 stop30h 30m
Turkish Airlines
Deal found 3/3£555
Fri 17/409:30
DUB
-
IAH
1 stop15h 49m
Multiple Airlines
Fri 24/421:05
IAH
-
DUB
1 stop16h 20m
Multiple Airlines
Deal found 3/3£557
Tue 13/1017:05
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Sun 18/1021:05
IAH
-
DUB
1 stop36h 55m
Turkish Airlines
Deal found 6/3£559
Tue 14/419:30
DUB
-
IAH
1 stop23h 55m
Multiple Airlines
Wed 13/516:59
IAH
-
DUB
1 stop12h 51m
Multiple Airlines
Deal found 3/3£565
Sat 16/511:35
DUB
-
IAH
1 stop26h 54m
United Airlines
Sun 17/512:12
IAH
-
DUB
1 stop13h 08m
United Airlines
Deal found 5/3£569
Mon 13/417:05
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Mon 27/414:30
IAH
-
DUB
1 stop19h 30m
Turkish Airlines
Deal found 7/3£571
Sun 19/409:30
DUB
-
HOU
1 stop16h 21m
Iberia
Sun 26/412:42
HOU
-
DUB
1 stop15h 03m
Iberia
Deal found 5/3£657
Thu 12/305:55
DUB
-
HOU
2 stops21h 47m
Delta
Thu 19/314:13
HOU
-
DUB
1 stop12h 32m
Delta
Deal found 4/3£675

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 7 March 2026.

Round-trip from

£545

One-way from

£437

Popular in

July

Cheapest in

September

Average price

£727
13/4-27/4
  • 13/4-27/4
  • 2 total stops
  • 32h 19m total
  • Ireland to Houston
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 57h 59m total
  • Ireland to Houston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£52 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 March 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 7 March 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

Fri 17/4

09:30-19:19

1 stop15h 49m

Houston George Bush Intcntl

Mon 27/4

15:30-12:00

1 stop14h 30m

£545

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 13/4

09:30-19:19

1 stop15h 49m

Houston George Bush Intcntl

Mon 27/4

15:30-12:00

1 stop14h 30m

£549

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 13/4

17:05-19:10

1 stop32h 05m

Houston George Bush Intcntl

Tue 28/4

21:05-16:00

1 stop36h 55m

£551

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 16/4

20:20-13:25

1 stop23h 05m

Houston George Bush Intcntl

Sat 2/5

15:30-09:40

1 stop12h 10m

£555

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

£577

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 31/3

19:30-13:25

1 stop23h 55m

Houston George Bush Intcntl

Tue 7/4

15:30-18:50

1 stop21h 20m

£590
Fastest return journey

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 2/4

09:30-17:52

1 stop14h 22m

Houston George Bush Intcntl

Fri 17/4

15:30-09:40

1 stop12h 10m

£607

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 1/5

20:10-13:25

1 stop23h 15m

Houston George Bush Intcntl

Mon 4/5

21:05-18:40

1 stop15h 35m

£651

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 6/4

09:30-17:52

1 stop14h 22m

Houston George Bush Intcntl

Mon 20/4

13:45-09:45

1 stop14h 00m

£655

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 19/4

09:30-19:51

1 stop16h 21m

Houston Hobby

Sun 26/4

12:42-09:45

1 stop15h 03m

£657

Flights are sorted by cheapest return flights first.

Deals found on 3/3

Showing 1-10 of 27 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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of £503). Flying from Ireland to Houston in December is currently the most expensive (average of £604). 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 7 March 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
1,467 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.6

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
1,467 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.6

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
9,404 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.6

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
11,395 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.6

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
7,778 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.6

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 16h 21m. 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 £503). Flying from Ireland to Houston in December is currently the most expensive (average of £604). 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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£527Average£746FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£562Average£725FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£597Average£687FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£726Average£915FlexibilityNo 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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