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

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

Which airlines fly to Houston?

United Airlines, British Airways and KLM are the top three most popular airlines that fly to Houston from Ireland according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Houston. Keep in mind that there are 6 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

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 6 as of September 2025.

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.

£454 Cheap Flights from Ireland to Houston in 2025/26

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Find the cheapest flights from Ireland to Houston

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to Houston

13:35 - 12:40DUB-IAH

29h 05m1 stop

21:05 - 15:30IAH-DUB

36h 25m1 stop

£535Turkish Airlines

Find Deal

Thu, 9 Oct - Tue, 11 Nov

16:55 - 12:40DUB-IAH

25h 45m1 stop

21:05 - 09:40IAH-DUB

30h 35m1 stop

£545Turkish Airlines

Find Deal

Thu, 16 Oct - Mon, 10 Nov

20:40 - 14:05DUB-IAH

23h 25m1 stop

21:50 - 18:40IAH-DUB

14h 50m1 stop

£593British Airways

Find Deal

Sun, 21 Dec - Sat, 17 Jan

09:20 - 18:42DUB-IAH

15h 22m1 stop

09:30 - 09:45IAH-DUB

18h 15m1 stop

£602United Airlines

Find Deal

Fri, 26 Sep - Sat, 11 Oct

05:55 - 13:15DUB-IAH

13h 20m1 stop

11:05 - 07:45IAH-DUB

14h 40m1 stop

£603KLM

Find Deal

Thu, 16 Oct - Thu, 20 Nov

09:20 - 18:42DUB-IAH

15h 22m1 stop

16:24 - 09:55IAH-DUB

12h 31m1 stop

£604United Airlines

Find Deal

Fri, 17 Oct - Wed, 29 Oct

09:45 - 17:58DUB-HOU

14h 13m1 stop

14:32 - 07:45HOU-DUB

11h 13m1 stop

£611KLM

Find Deal

Fri, 21 Nov - Wed, 3 Dec

10:45 - 23:30DUB-IAH

18h 45m2 stops

15:50 - 12:45IAH-DUB

14h 55m1 stop

£615British Airways

Find Deal

Mon, 22 Dec - Sat, 17 Jan

11:30 - 21:57DUB-IAH

16h 27m2 stops

06:00 - 08:50IAH-DUB

20h 50m1 stop

£1,871American Airlines

Find Deal

Tue, 23 Dec - Tue, 30 Dec

13:00 - 23:44DUB-HOU

16h 44m2 stops

10:13 - 07:15HOU-DUB

15h 02m1 stop

£1,871American Airlines

Find Deal

Tue, 23 Dec - Wed, 31 Dec

KLM flights from Ireland to Houston

Our best KLM deals on Ireland to Houston flight tickets

KLM

16 Oct

DUB05:55Dublin

13h 20m

1 stop

IAH13:15Houston George Bush Intcntl

20 Nov

IAH11:05Houston George Bush Intcntl

14h 40m

1 stop

DUB07:45Dublin

£603

Find similar

KLM

21 Nov

DUB09:45Dublin

14h 13m

1 stop

HOU17:58Houston Hobby

3 Dec

HOU14:32Houston Hobby

11h 13m

1 stop

DUB07:45Dublin

£611

Find similar

KLM

26 Nov

DUB09:45Dublin

20h 01m

1 stop

HOU23:46Houston Hobby

31 Dec

HOU10:35Houston Hobby

15h 10m

1 stop

DUB07:45Dublin

£624

Find similar

Delta flights from Ireland to Houston

Our best Delta deals on Ireland to Houston flight tickets

Delta

1 Nov

DUB05:55Dublin

13h 35m

1 stop

IAH14:30Houston George Bush Intcntl

14 Nov

IAH16:13Houston George Bush Intcntl

17h 32m

2 stops

DUB15:45Dublin

£598

Find similar

Delta

27 Oct

DUB05:55Dublin

13h 35m

1 stop

IAH14:30Houston George Bush Intcntl

10 Nov

IAH16:05Houston George Bush Intcntl

17h 40m

1 stop

DUB15:45Dublin

£598

Find similar

Delta

16 Oct

DUB05:55Dublin

13h 20m

1 stop

IAH13:15Houston George Bush Intcntl

10 Nov

IAH13:36Houston George Bush Intcntl

20h 09m

2 stops

DUB15:45Dublin

£601

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 9/10

13:35-12:40

1 stop29h 05m

Houston George Bush Intcntl

Tue 11/11

21:05-15:30

1 stop36h 25m

£535

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 16/10

16:55-12:40

1 stop25h 45m

Houston George Bush Intcntl

Mon 10/11

21:05-09:40

1 stop30h 35m

£545

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 21/12

20:40-14:05

1 stop23h 25m

Houston George Bush Intcntl

Sat 17/1

21:50-18:40

1 stop14h 50m

£593

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 26/9

09:20-18:42

1 stop15h 22m

Houston George Bush Intcntl

Sat 11/10

09:30-09:45

1 stop18h 15m

£602

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 16/10

05:55-13:15

1 stop13h 20m

Houston George Bush Intcntl

Thu 20/11

11:05-07:45

1 stop14h 40m

£603

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 17/10

09:20-18:42

1 stop15h 22m

Houston George Bush Intcntl

Wed 29/10

16:24-09:55

1 stop12h 31m

£604

DublinHouston

DUB - HOU

DUBHOU

Dublin

Fri 21/11

09:45-17:58

1 stop14h 13m

Houston Hobby

Wed 3/12

14:32-07:45

1 stop11h 13m

£611

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 22/12

10:45-23:30

2 stops18h 45m

Houston George Bush Intcntl

Sat 17/1

15:50-12:45

1 stop14h 55m

£615

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 23/12

11:30-21:57

2 stops16h 27m

Houston George Bush Intcntl

Tue 30/12

06:00-08:50

1 stop20h 50m

£1,871

DublinHouston

DUB - HOU

DUBHOU

Dublin

Tue 23/12

13:00-23:44

2 stops16h 44m

Houston Hobby

Wed 31/12

10:13-07:15

1 stop15h 02m

£1,871

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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, January 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 £528. If you are unable to visit Houston during the month of January, then departing from Ireland during the month September is also very affordable. Most momondo users find prices during this month for around £553.

What is the cheapest day to depart on your flight to Houston?

The cheapest day to depart from Ireland to Houston is on a Wednesday. Travellers who choose to depart for Houston on a Wednesday will often find tickets for as low as £595. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Tuesday is £675.

What is the cheapest time of day to depart on your flight to Houston?

The cheapest time of day to fly to Houston is in the afternoon when flights can be purchased for as low as £535. In contrast, the most expensive time of day to depart to Houston is at midday when prices are around £621.

Cheap Ireland to Houston flight deals and tips

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

Direct flights	None

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

Search flight deals

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 6 as of September 2025.
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 £481	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Air France	PriceFrom £500	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
KLM	PriceFrom £501	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
United Airlines	PriceFrom £566	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
American Airlines	PriceFrom £670	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Aer Lingus	PriceFrom £708	Free Cancellation	Rating 7.2 1,270 reviews	Search Aer Lingus 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.