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Cheap flights from Ireland to Houston from £538

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
7 Jul — 14 Jul1
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 2 July 2025.

Round-trip from

£538

Popular in

April

Cheapest in

January

Average price

£677
Turkish Airlines
  • Turkish Airlines
  • 25/9-8/10
  • 2 total stops
  • 66h 00m total
  • Ireland to Houston
Highest demand for flights based on searches. 4% potential increase in price (£19 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 2 July 2025.

Thu 25/913:35DUB - IAH
1 stop29h 05mTurkish Airlines
Wed 8/1021:00IAH - DUB
1 stop36h 55mTurkish Airlines
Deal found 30/6£538
Mon 25/810:40DUB - IAH
1 stop30h 55mJetBlue
Mon 8/914:39IAH - DUB
1 stop12h 21mJetBlue
Deal found 30/6£539
Fri 8/820:15DUB - IAH
2 stops30h 19mMultiple Airlines
Sat 16/807:35IAH - DUB
2 stops28h 50mMultiple Airlines
Deal found 30/6£552
Fri 17/1010:55DUB - IAH
1 stop14h 20mBritish Airways
Wed 29/1016:55IAH - DUB
1 stop14h 15mBritish Airways
Deal found 30/6£573
Mon 22/1205:55DUB - IAH
1 stop13h 35mDelta
Mon 5/112:55IAH - DUB
2 stops20h 45mDelta
Deal found 30/6£574
Sat 22/1109:00DUB - IAH
1 stop18h 44mUnited Airlines
Wed 3/1209:35IAH - DUB
2 stops15h 55mUnited Airlines
Deal found 30/6£576
Mon 22/1208:50DUB - IAH
1 stop34h 40mKLM
Mon 5/107:20IAH - DUB
1 stop18h 25mKLM
Deal found 1/7£620
Thu 6/1108:50DUB - HOU
2 stops30h 33mDelta
Mon 17/1110:05HOU - DUB
2 stops16h 00mDelta
Deal found 1/7£621
Thu 6/1105:55DUB - HOU
2 stops16h 32mMultiple Airlines
Mon 17/1110:05HOU - DUB
1 stop15h 40mMultiple Airlines
Deal found 1/7£623
Fri 8/805:55DUB - IAH
1 stop17h 55mLufthansa
Sat 16/818:20IAH - DUB
1 stop21h 55mLufthansa
Deal found 30/6£661
Tue 8/711:00DUB - HOU
1 stop15h 40mKLM
Fri 18/712:56HOU - DUB
1 stop13h 49mKLM
Deal found 30/6£754
Fri 15/812:40DUB - HOU
1 stop13h 19mIberia
Fri 22/814:30HOU - DUB
1 stop13h 15mIberia
Deal found 1/7£847

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 2 July 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

21:00-15:55

1 stop36h 55m

£538

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 25/8

10:40-11:35

1 stop30h 55m

Houston George Bush Intcntl

Mon 8/9

14:39-09:00

1 stop12h 21m

£539

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 8/8

20:15-20:34

2 stops30h 19m

Houston George Bush Intcntl

Sat 16/8

07:35-18:25

2 stops28h 50m

£552

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 17/10

10:55-19:15

1 stop14h 20m

Houston George Bush Intcntl

Wed 29/10

16:55-12:10

1 stop14h 15m

£573

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 22/12

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Mon 5/1

12:55-15:40

2 stops20h 45m

£574

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

09:00-21:44

1 stop18h 44m

Houston George Bush Intcntl

Wed 3/12

09:35-07:30

2 stops15h 55m

£576

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 22/12

08:50-13:30

1 stop34h 40m

Houston George Bush Intcntl

Mon 5/1

07:20-07:45

1 stop18h 25m

£620

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 6/11

08:50-09:23

2 stops30h 33m

Houston Hobby

Mon 17/11

10:05-08:05

2 stops16h 00m

£621

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 6/11

05:55-16:27

2 stops16h 32m

Houston Hobby

Mon 17/11

10:05-07:45

1 stop15h 40m

£623

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 8/8

05:55-17:50

1 stop17h 55m

Houston George Bush Intcntl

Sat 16/8

18:20-22:15

1 stop21h 55m

£661

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 18 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 2 July 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.

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 2 July 2025.
See what other customers who have flown with Delta, KLM, andUnited 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.

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 British Airways, with whom users have recently found tickets for as low as £540. However, be on the lookout for offers from Delta and United Airlines, 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.

Top 7 airlines flying from Ireland to Houston

Discover the top 7 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£475Average£580FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£494Average£638FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£504Average£575FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£509Average£627FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£559Average£651FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£663Average£890FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£700Average£743FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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