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

Iberia, Aer Lingus, and American Airlines are the most popular carriers operating from Ireland to Houston

How long does it take to fly to Houston?

The average flight duration from Ireland to Houston depends on which airport you fly into and out of. Flying from Cork to Houston Hobby Airport is 13h 30m on average, while flying from Dublin to Houston Hobby Airport is 17h 55m on average. Houston Hobby Airport is the most popular airport in Houston.

Which airlines fly to Houston?

United Airlines, KLM and Lufthansa 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 46% of people opting to fly with this airline when travelling to Houston. Keep in mind that there are 4 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 updated daily.

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

There are 4 operators available for flights from Ireland to Houston as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 licence 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.

€306 Cheap Flights from Ireland to Houston in 2025/26

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Find the cheapest flights from Ireland to Houston

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Recent return flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

06:40 - 23:59DUB-IAH

23h 19m2 stops

13:35 - 21:45IAH-DUB

26h 10m2 stops

€543Multiple Airlines

Find Deal

Thu, 13 Nov - Wed, 26 Nov

06:40 - 22:43DUB-IAH

22h 03m2 stops

05:33 - 22:55IAH-DUB

35h 22m3 stops

€577Multiple Airlines

Find Deal

Thu, 4 Dec - Fri, 12 Dec

09:20 - 18:15DUB-IAH

14h 55m1 stop

12:10 - 08:10IAH-DUB

14h 00m1 stop

€717Lufthansa

Find Deal

Thu, 13 Nov - Wed, 26 Nov

05:10 - 14:35DUB-IAH

15h 25m1 stop

16:50 - 17:10IAH-DUB

18h 20m1 stop

€720Lufthansa

Find Deal

Sat, 22 Nov - Wed, 3 Dec

11:30 - 22:47DUB-IAH

17h 17m2 stops

15:50 - 09:35IAH-DUB

11h 45m1 stop

€723American Airlines

Find Deal

Fri, 20 Feb - Tue, 24 Feb

05:55 - 13:30DUB-IAH

13h 35m1 stop

16:13 - 12:40IAH-DUB

14h 27m2 stops

€729KLM

Find Deal

Thu, 13 Nov - Wed, 26 Nov

13:25 - 23:57DUB-IAH

16h 32m2 stops

16:13 - 12:40IAH-DUB

14h 27m2 stops

€732KLM

Find Deal

Thu, 13 Nov - Wed, 26 Nov

10:40 - 18:43DUB-IAH

14h 03m1 stop

14:25 - 08:10IAH-DUB

11h 45m1 stop

€739United Airlines

Find Deal

Thu, 13 Nov - Wed, 26 Nov

12:05 - 20:19DUB-IAH

14h 14m1 stop

13:31 - 07:30IAH-DUB

11h 59m1 stop

€740United Airlines

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Thu, 13 Nov - Wed, 26 Nov

10:30 - 20:00DUB-IAH

15h 30m1 stop

13:15 - 08:40IAH-DUB

13h 25m1 stop

€804American Airlines

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Thu, 13 Nov - Wed, 26 Nov

Delta flights from Ireland to Houston

Our best Delta deals on Ireland to Houston flight tickets

Delta

21 Nov

DUB05:55Dublin

13h 35m

1 stop

IAH13:30Houston George Bush Intcntl

3 Dec

IAH13:36Houston George Bush Intcntl

20h 09m

2 stops

DUB15:45Dublin

€724

Find similar

Delta

2 Dec

DUB05:55Dublin

13h 35m

1 stop

IAH13:30Houston George Bush Intcntl

9 Dec

IAH18:39Houston George Bush Intcntl

15h 06m

2 stops

DUB15:45Dublin

€725

Find similar

Delta

13 Nov

DUB13:25Dublin

16h 15m

2 stops

HOU23:40Houston Hobby

26 Nov

HOU06:00Houston Hobby

20h 00m

2 stops

DUB08:00Dublin

€728

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KLM flights from Ireland to Houston

Our best KLM deals on Ireland to Houston flight tickets

KLM

13 Nov

DUB05:55Dublin

13h 35m

1 stop

IAH13:30Houston George Bush Intcntl

26 Nov

IAH16:13Houston George Bush Intcntl

14h 27m

2 stops

DUB12:40Dublin

€728

Find similar

KLM

13 Nov

DUB05:55Dublin

13h 35m

1 stop

IAH13:30Houston George Bush Intcntl

26 Nov

IAH16:13Houston George Bush Intcntl

14h 27m

2 stops

DUB12:40Dublin

€729

Find similar

KLM

13 Nov

DUB13:25Dublin

16h 32m

2 stops

IAH23:57Houston George Bush Intcntl

26 Nov

IAH16:13Houston George Bush Intcntl

14h 27m

2 stops

DUB12:40Dublin

€732

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

06:40-23:59

2 stops23h 19m

Houston George Bush Intcntl

Wed 26/11

13:35-21:45

2 stops26h 10m

€543

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 4/12

06:40-22:43

2 stops22h 03m

Houston George Bush Intcntl

Fri 12/12

05:33-22:55

3 stops35h 22m

€577

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

09:20-18:15

1 stop14h 55m

Houston George Bush Intcntl

Wed 26/11

12:10-08:10

1 stop14h 00m

€717

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

05:10-14:35

1 stop15h 25m

Houston George Bush Intcntl

Wed 3/12

16:50-17:10

1 stop18h 20m

€720

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 20/2

11:30-22:47

2 stops17h 17m

Houston George Bush Intcntl

Tue 24/2

15:50-09:35

1 stop11h 45m

€723

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Wed 26/11

16:13-12:40

2 stops14h 27m

€729

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

13:25-23:57

2 stops16h 32m

Houston George Bush Intcntl

Wed 26/11

16:13-12:40

2 stops14h 27m

€732

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

10:40-18:43

1 stop14h 03m

Houston George Bush Intcntl

Wed 26/11

14:25-08:10

1 stop11h 45m

€739

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

12:05-20:19

1 stop14h 14m

Houston George Bush Intcntl

Wed 26/11

13:31-07:30

1 stop11h 59m

€740

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

10:30-20:00

1 stop15h 30m

Houston George Bush Intcntl

Wed 26/11

13:15-08:40

1 stop13h 25m

€804

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

Other information

What is the cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from Ireland, with most prices found around €621. 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 €651.

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

Our data shows that Tuesday is the least expensive day to fly to Houston. Tickets to fly out on this day can be as low as €590. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Houston for around €753.

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

In the afternoon is the cheapest time of day to fly from Ireland to Houston when you can find flight prices for as low as €587. Flying to Houston in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Houston are more costly in the morning, with an average ticket price of €724. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around €747 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Ireland for as low as €638 on momondo.

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 updated daily.
How many operators does momondo search for flights from Ireland to Houston?
There are 4 operators available for flights from Ireland to Houston as of November 2025.
How old do you have to be to fly from Ireland to Houston?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 licence 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
KLM	PriceFrom €585	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
American Airlines	PriceFrom €618	Free Cancellation	Rating 7.2 11,033 reviews	Search American Airlines flights
United Airlines	PriceFrom €683	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
Lufthansa	PriceFrom €722	Free Cancellation	Rating 6.8 7,544 reviews	Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Houston. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Houston from Ireland which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Ireland and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.