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Cheap flights from Ireland to Houston from £531

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
8 Apr — 15 Apr1
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 3 April 2025.

Round-trip from

£531

Popular in

March

Cheapest in

January

Average price

£587
Turkish Airlines
  • Turkish Airlines
  • 25/9-8/10
  • 2 total stops
  • 48h 35m total
  • Ireland to Houston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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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 3 April 2025.

Thu 25/913:35DUB - IAH
1 stop29h 05mTurkish Airlines
Wed 8/1014:25IAH - DUB
1 stop19h 30mTurkish Airlines
Deal found 2/4£531
Thu 24/410:40DUB - IAH
1 stop13h 33mJetBlue
Wed 7/518:58IAH - DUB
1 stop32h 02mJetBlue
Deal found 2/4£532
Fri 2/511:00DUB - HOU
1 stop18h 08mKLM
Fri 9/512:52HOU - DUB
1 stop13h 53mKLM
Deal found 1/4£578
Tue 22/412:40DUB - IAH
1 stop13h 01mMultiple Airlines
Tue 29/421:00IAH - DUB
1 stop14h 05mMultiple Airlines
Deal found 2/4£579
Fri 25/420:15DUB - IAH
1 stop23h 20mBritish Airways
Sat 3/515:25IAH - DUB
1 stop12h 10mBritish Airways
Deal found 2/4£584
Tue 15/405:55DUB - IAH
1 stop13h 20mDelta
Tue 22/412:52IAH - DUB
2 stops20h 08mDelta
Deal found 2/4£585
Tue 29/411:10DUB - HOU
2 stops17h 58mDelta
Tue 6/510:41HOU - DUB
2 stops22h 19mDelta
Deal found 2/4£590
Sun 27/412:15DUB - HOU
2 stops17h 55mMultiple Airlines
Fri 2/512:00HOU - DUB
2 stops17h 05mMultiple Airlines
Deal found 2/4£642
Fri 25/409:50DUB - IAH
2 stops16h 54mUnited Airlines
Sat 3/508:40IAH - DUB
2 stops16h 40mUnited Airlines
Deal found 2/4£653
Mon 7/409:50DUB - IAH
1 stop31h 14mAir Canada
Wed 9/408:45IAH - DUB
2 stops17h 30mAir Canada
Deal found 2/4£3,574
Wed 9/411:00DUB - HOU
1 stop12h 59mAir France
Mon 14/413:16HOU - DUB
1 stop13h 29mAir France
Deal found 1/4£3,773
Fri 2/512:40DUB - HOU
1 stop17h 16mIberia
Fri 9/514:28HOU - DUB
2 stops15h 42mIberia
Deal found 1/4£5,446

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 3 April 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 25/9

13:35-12:40

1 stop29h 05m

Houston George Bush Intcntl

Wed 8/10

14:25-15:55

1 stop19h 30m

£531

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 24/4

10:40-18:13

1 stop13h 33m

Houston George Bush Intcntl

Wed 7/5

18:58-09:00

1 stop32h 02m

£532

DublinHouston

DUB - HOU

DUBHOU

Dublin

Fri 2/5

11:00-23:08

1 stop18h 08m

Houston Hobby

Fri 9/5

12:52-08:45

1 stop13h 53m

£578

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 22/4

12:40-19:41

1 stop13h 01m

Houston George Bush Intcntl

Tue 29/4

21:00-17:05

1 stop14h 05m

£579

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 25/4

20:15-13:35

1 stop23h 20m

Houston George Bush Intcntl

Sat 3/5

15:25-09:35

1 stop12h 10m

£584

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 15/4

05:55-13:15

1 stop13h 20m

Houston George Bush Intcntl

Tue 22/4

12:52-15:00

2 stops20h 08m

£585

DublinHouston

DUB - HOU

DUBHOU

Dublin

Tue 29/4

11:10-23:08

2 stops17h 58m

Houston Hobby

Tue 6/5

10:41-15:00

2 stops22h 19m

£590

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 27/4

12:15-00:10

2 stops17h 55m

Houston Hobby

Fri 2/5

12:00-11:05

2 stops17h 05m

£642

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 25/4

09:50-20:44

2 stops16h 54m

Houston George Bush Intcntl

Sat 3/5

08:40-07:20

2 stops16h 40m

£653

DublinHouston

DUB - HOU

DUBHOU

Dublin

Fri 2/5

12:40-23:56

1 stop17h 16m

Houston Hobby

Fri 9/5

14:28-12:10

2 stops15h 42m

£5,446

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 13 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 3 April 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.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 3 April 2025.
Read through reviews of airlines operating flights from Ireland to Houston, such as Delta, KLM and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,897 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,897 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,616 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,920 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,750 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Ireland to Houston one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as £564. However, be on the lookout for offers from WestJet and Delta, as they are both options that can get you from Ireland to Houston for a low price.

  • 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

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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 3 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£504Average£636FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£525Average£664FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£525Average£597FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£578Average£728FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Houston?

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Why should you use Cheapflights to find cheap flight tickets from Ireland to Houston?

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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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