What is the cheapest airline that flies from Ireland to Houston?

Delta and British Airways are the most popular carriers operating from Ireland to Houston

When did momondo last update prices for flights from Ireland to Houston?

Prices for flights from Ireland to Houston are refreshed on a daily basis.

How many operators does momondo search for flights from Ireland to Houston?

The number of operators available for flights from Ireland to Houston is 2 as of September 2026.

How old do you have to be to fly from Ireland to Houston?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Houston.

What documentation or ID do you need to fly to Houston?

The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£310 Cheap Flights from Ireland to Houston in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Houston

Return

One-way

Last minute

Recent return flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

10:40 - 19:05DUB Dublin-IAH Houston George Bush Intcntl

38h 25m1 stop Istanbul

22:00 - 09:35IAH Houston George Bush Intcntl-DUB Dublin

30h 35m1 stop Istanbul

£591Turkish Airlines

Mon, 22 Feb - Mon, 15 Mar

10:40 - 19:05DUB Dublin-IAH Houston George Bush Intcntl

38h 25m1 stop Istanbul

22:00 - 09:35IAH Houston George Bush Intcntl-DUB Dublin

30h 35m1 stop Istanbul

£592Turkish Airlines

Mon, 22 Feb - Mon, 15 Mar

16:35 - 19:05DUB Dublin-IAH Houston George Bush Intcntl

32h 30m1 stop Istanbul

21:00 - 09:35IAH Houston George Bush Intcntl-DUB Dublin

30h 35m1 stop Istanbul

£592Turkish Airlines

Tue, 17 Nov - Mon, 23 Nov

16:35 - 19:05DUB Dublin-IAH Houston George Bush Intcntl

32h 30m1 stop Istanbul

22:00 - 15:30IAH Houston George Bush Intcntl-DUB Dublin

35h 30m1 stop Istanbul

£592Turkish Airlines

Wed, 24 Feb - Wed, 10 Mar

08:50 - 23:03DUB Dublin-HOU Houston Hobby

19h 13m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

10:27 - 14:30HOU Houston Hobby-DUB Dublin

22h 03m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£668Delta

Thu, 29 Oct - Wed, 11 Nov

05:45 - 23:32DUB Dublin-HOU Houston Hobby

23h 47m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

06:00 - 14:30HOU Houston Hobby-DUB Dublin

26h 30m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£668Delta

Thu, 10 Dec - Mon, 28 Dec

13:25 - 10:08DUB Dublin-HOU Houston Hobby

25h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

06:09 - 18:25HOU Houston Hobby-DUB Dublin

30h 16m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£668Delta

Fri, 30 Oct - Mon, 2 Nov

13:25 - 10:08DUB Dublin-HOU Houston Hobby

26h 43m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

06:00 - 09:00HOU Houston Hobby-DUB Dublin

21h 00m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£668Delta

Wed, 4 Nov - Wed, 11 Nov

08:50 - 19:55DUB Dublin-IAH Houston George Bush Intcntl

17h 05m1 stop London Heathrow

21:40 - 16:55IAH Houston George Bush Intcntl-DUB Dublin

13h 15m1 stop London Heathrow

£672British Airways

Fri, 18 Dec - Fri, 1 Jan

08:50 - 19:55DUB Dublin-IAH Houston George Bush Intcntl

17h 05m1 stop London Heathrow

15:50 - 10:05IAH Houston George Bush Intcntl-DUB Dublin

12h 15m1 stop London Heathrow

£672British Airways

Fri, 18 Dec - Fri, 1 Jan

Recent last minute flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

09:50 - 13:32DUB Dublin-IAH Houston George Bush Intcntl

33h 42m1 stop Vancouver Intl

18:46 - 09:45IAH Houston George Bush Intcntl-DUB Dublin

32h 59m1 stop Chicago O'Hare Intl

£665United Airlines

Fri, 11 Sep - Sat, 12 Sep

05:55 - 13:40DUB Dublin-IAH Houston George Bush Intcntl

13h 45m1 stop Paris Charles de Gaulle

15:55 - 15:25IAH Houston George Bush Intcntl-DUB Dublin

17h 30m1 stop Paris Charles de Gaulle

£898Delta

Thu, 10 Sep - Sun, 13 Sep

05:55 - 13:40DUB Dublin-IAH Houston George Bush Intcntl

13h 45m1 stop Paris Charles de Gaulle

07:00 - 08:20IAH Houston George Bush Intcntl-DUB Dublin

19h 20m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£898Delta

Thu, 10 Sep - Sun, 13 Sep

05:55 - 13:40DUB Dublin-IAH Houston George Bush Intcntl

13h 45m1 stop Paris Charles de Gaulle

09:45 - 09:00IAH Houston George Bush Intcntl-DUB Dublin

17h 15m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£898Delta

Thu, 10 Sep - Wed, 23 Dec

05:55 - 21:30DUB Dublin-IAH Houston George Bush Intcntl

21h 35m2 stops Paris Charles de Gaulle Minneapolis St Paul

15:20 - 15:25IAH Houston George Bush Intcntl-DUB Dublin

18h 05m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

£902Delta

Thu, 10 Sep - Sun, 13 Sep

05:55 - 21:30DUB Dublin-IAH Houston George Bush Intcntl

21h 35m2 stops Paris Charles de Gaulle Minneapolis St Paul

07:00 - 09:00IAH Houston George Bush Intcntl-DUB Dublin

20h 00m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£902Delta

Thu, 10 Sep - Wed, 23 Dec

09:15 - 10:05DUB Dublin-HOU Houston Hobby

30h 50m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

06:00 - 08:20HOU Houston Hobby-DUB Dublin

20h 20m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£902Delta

Thu, 10 Sep - Sun, 13 Sep

05:55 - 22:39DUB Dublin-HOU Houston Hobby

22h 44m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

06:00 - 09:00HOU Houston Hobby-DUB Dublin

21h 00m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£902Delta

Thu, 10 Sep - Wed, 23 Dec

09:15 - 22:39DUB Dublin-HOU Houston Hobby

19h 24m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

11:01 - 08:45HOU Houston Hobby-DUB Dublin

15h 44m1 stop Atlanta Hartsfield-Jackson

£904Delta

Thu, 10 Sep - Sun, 13 Sep

09:20 - 18:27DUB Dublin-IAH Houston George Bush Intcntl

15h 07m1 stop Toronto Pearson Intl

10:00 - 07:45IAH Houston George Bush Intcntl-DUB Dublin

15h 45m1 stop Montreal Pierre Elliott Trudeau Intl

£908United Airlines

Fri, 11 Sep - Sun, 13 Sep

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KLM flights from Ireland to Houston

Our best KLM deals on Ireland to Houston flight tickets

KLM

9 Dec

DUB05:45Dublin

13h 25m

1 stop

IAH13:10Houston George Bush Intcntl

16 Dec

IAH14:33Houston George Bush Intcntl

11h 22m

1 stop

DUB07:55Dublin

£665

KLM

29 Oct

DUB05:45Dublin

16h 38m

2 stops

IAH17:23Houston George Bush Intcntl

11 Nov

IAH10:00Houston George Bush Intcntl

15h 45m

1 stop

DUB07:45Dublin

£678

KLM

6 Oct

DUB12:00Dublin

17h 03m

1 stop

HOU23:03Houston Hobby

13 Oct

HOU15:09Houston Hobby

11h 36m

1 stop

DUB08:45Dublin

£680

Delta flights from Ireland to Houston

Our best Delta deals on Ireland to Houston flight tickets

Delta

17 Dec

DUB05:45Dublin

13h 25m

1 stop

IAH13:10Houston George Bush Intcntl

1 Jan

IAH19:10Houston George Bush Intcntl

13h 00m

1 stop

DUB14:10Dublin

£664

Delta

13 Oct

DUB05:55Dublin

13h 25m

1 stop

IAH13:20Houston George Bush Intcntl

18 Oct

IAH07:00Houston George Bush Intcntl

19h 20m

2 stops

DUB08:20Dublin

£667

Delta

29 Oct

DUB08:50Dublin

19h 13m

2 stops

HOU23:03Houston Hobby

11 Nov

HOU10:27Houston Hobby

22h 03m

2 stops

DUB14:30Dublin

£668

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Mon 22/2

10:40-19:05

1 stop38h 25m

Houston George Bush Intcntl

Mon 15/3

22:00-09:35

1 stop30h 35m

£591

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Mon 22/2

10:40-19:05

1 stop38h 25m

Houston George Bush Intcntl

Mon 15/3

22:00-09:35

1 stop30h 35m

£592

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 17/11

16:35-19:05

1 stop32h 30m

Houston George Bush Intcntl

Mon 23/11

21:00-09:35

1 stop30h 35m

£592

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Wed 24/2

16:35-19:05

1 stop32h 30m

Houston George Bush Intcntl

Wed 10/3

22:00-15:30

1 stop35h 30m

£592

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Thu 29/10

08:50-23:03

2 stops19h 13m

Houston Hobby

Wed 11/11

10:27-14:30

2 stops22h 03m

£668

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Thu 10/12

05:45-23:32

2 stops23h 47m

Houston Hobby

Mon 28/12

06:00-14:30

2 stops26h 30m

£668

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Fri 30/10

13:25-10:08

2 stops25h 43m

Houston Hobby

Mon 2/11

06:09-18:25

2 stops30h 16m

£668

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Wed 4/11

13:25-10:08

2 stops26h 43m

Houston Hobby

Wed 11/11

06:00-09:00

2 stops21h 00m

£668

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 18/12

08:50-19:55

1 stop17h 05m

Houston George Bush Intcntl

Fri 1/1

21:40-16:55

1 stop13h 15m

£672

Fastest return journey

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 18/12

08:50-19:55

1 stop17h 05m

Houston George Bush Intcntl

Fri 1/1

15:50-10:05

1 stop12h 15m

£672

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Houston?

In general, November is the cheapest month to fly from Ireland to Houston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £620. If you are unable to visit Houston during the month of November, then departing from Ireland during the month September is also very affordable. Most momondo users find prices during this month for around £640.

Cheap Ireland to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Houston

Best price found	£310
Fastest flight time	13h 25m
Direct flights	None

The best one-way flight to Houston from Ireland in the past 72 hours is £310. The best return flight deal from Ireland to Houston found on momondo in the last 72 hours is £591.

The fastest flight from Ireland to Houston takes 13h 25m

There are no direct flights from Ireland to Houston. There are no popular flight routes from Ireland to Houston.

Search flight deals

Frequently asked questions about flying from Ireland to Houston

When did momondo last update prices for flights from Ireland to Houston?
Prices for flights from Ireland to Houston are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Houston?
The number of operators available for flights from Ireland to Houston is 2 as of September 2026.
How old do you have to be to fly from Ireland to Houston?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Houston.
What documentation or ID do you need to fly to Houston?
The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Houston

Compare and see reviews for airlines that fly from Ireland to Houston with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £539	Free Cancellation	Rating 6.7 8,209 reviews		Search British Airways flights
United Airlines	PriceFrom £589	Free Cancellation	Rating 7.4 10,188 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Houston?

It is quick and easy to find Ireland to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

Can I find flights from Ireland to Houston with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ireland to Houston flights to just show those with flexible booking policies.

How can momondo help me find flights from Ireland to Houston?

momondo provides multiple filters to help you find the best flight to Houston from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ireland to Houston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.