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 Dublin to Houston Hobby Airport is 12h 38m on average, while flying from Shannon to Houston Hobby Airport is 18h 10m on average. Houston Hobby Airport is the most popular airport in Houston.

Which airlines fly to Houston?

United Airlines, American Airlines 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 35% 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.

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

Aer Lingus, Iberia, and American Airlines 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 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 January 2026.

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.

€374 Cheap Flights from Ireland to Houston in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ireland to Houston

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

05:45 - 16:45

DUB

IAH

41h 00m

2 stops

07:59 - 05:10

IAH

DUB

16h 11m

1 stop

€560Multiple Airlines

Fri, 6 Mar - Sun, 22 Mar

13:15 - 23:59

DUB

IAH

40h 44m

3 stops

17:30 - 20:50

IAH

DUB

22h 20m

2 stops

€583Multiple Airlines

Fri, 6 Mar - Sun, 22 Mar

07:05 - 22:41

DUB

IAH

21h 36m

2 stops

17:30 - 20:50

IAH

DUB

22h 20m

2 stops

€591Multiple Airlines

Fri, 6 Mar - Sun, 22 Mar

10:40 - 19:10

DUB

IAH

38h 30m

1 stop

22:05 - 22:10

IAH

DUB

19h 05m

1 stop

€604Turkish Airlines

Fri, 6 Mar - Sun, 22 Mar

16:30 - 19:10

DUB

IAH

32h 40m

1 stop

21:05 - 09:40

IAH

DUB

30h 35m

1 stop

€611Turkish Airlines

Wed, 4 Feb - Wed, 18 Feb

08:50 - 22:33

DUB

HOU

19h 43m

2 stops

17:19 - 15:45

HOU

DUB

16h 26m

2 stops

€698Delta

Wed, 4 Feb - Wed, 18 Feb

08:55 - 22:33

DUB

HOU

19h 38m

2 stops

05:25 - 15:45

HOU

DUB

28h 20m

2 stops

€703Delta

Sat, 7 Feb - Sun, 15 Feb

09:45 - 22:28

DUB

HOU

18h 43m

1 stop

06:00 - 07:45

HOU

DUB

20h 45m

1 stop

€734KLM

Sat, 7 Mar - Fri, 20 Mar

07:50 - 20:00

SNN

IAH

18h 10m

1 stop

12:21 - 16:45

IAH

SNN

22h 24m

2 stops

€1,018American Airlines

Sun, 22 Feb - Thu, 26 Feb

07:40 - 20:00

ORK

IAH

18h 20m

1 stop

12:21 - 15:25

IAH

ORK

21h 04m

2 stops

€1,018American Airlines

Sun, 22 Feb - Thu, 26 Feb

KLM flights from Ireland to Houston

Our best KLM deals on Ireland to Houston flight tickets

KLM

7 Mar

DUB09:45Dublin

18h 43m

1 stop

HOU22:28Houston Hobby

20 Mar

HOU06:00Houston Hobby

20h 45m

1 stop

DUB07:45Dublin

€734

KLM

4 Mar

DUB09:45Dublin

18h 43m

1 stop

HOU22:28Houston Hobby

11 Mar

HOU06:00Houston Hobby

20h 45m

1 stop

DUB07:45Dublin

€953

KLM

15 Mar

DUB09:45Dublin

17h 57m

1 stop

HOU22:42Houston Hobby

24 Mar

HOU11:33Houston Hobby

15h 12m

1 stop

DUB07:45Dublin

€1,258

Iberia flights from Ireland to Houston

Our best Iberia deals on Ireland to Houston flight tickets

Iberia

2 Apr

DUB09:30Dublin

16h 20m

1 stop

HOU19:50Houston Hobby

16 Apr

HOU12:42Houston Hobby

15h 03m

1 stop

DUB09:45Dublin

€752

Iberia

26 Jan

DUB09:40Dublin

31h 07m

2 stops

IAH10:47Houston George Bush Intcntl

9 Feb

IAH14:41Houston George Bush Intcntl

15h 39m

2 stops

DUB12:20Dublin

€793

Iberia

28 May

DUB12:40Dublin

13h 12m

1 stop

HOU19:52Houston Hobby

7 Jun

HOU13:08Houston Hobby

14h 37m

1 stop

DUB09:45Dublin

€799

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 6/3

05:45-16:45

2 stops41h 00m

Houston George Bush Intcntl

Sun 22/3

07:59-05:10

1 stop16h 11m

€560

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 6/3

13:15-23:59

3 stops40h 44m

Houston George Bush Intcntl

Sun 22/3

17:30-20:50

2 stops22h 20m

€583

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 6/3

07:05-22:41

2 stops21h 36m

Houston George Bush Intcntl

Sun 22/3

17:30-20:50

2 stops22h 20m

€591

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 6/3

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

Sun 22/3

22:05-22:10

1 stop19h 05m

€604

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 4/2

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Wed 18/2

21:05-09:40

1 stop30h 35m

€611

DublinHouston

DUB - HOU

DUBHOU

Dublin

Wed 4/2

08:50-22:33

2 stops19h 43m

Houston Hobby

Wed 18/2

17:19-15:45

2 stops16h 26m

€698

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 7/2

08:55-22:33

2 stops19h 38m

Houston Hobby

Sun 15/2

05:25-15:45

2 stops28h 20m

€703

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 7/3

09:45-22:28

1 stop18h 43m

Houston Hobby

Fri 20/3

06:00-07:45

1 stop20h 45m

€734

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Sun 22/2

07:50-20:00

1 stop18h 10m

Houston George Bush Intcntl

Thu 26/2

12:21-16:45

2 stops22h 24m

€1,018

CorkHouston

ORK - IAH

ORKIAH

Cork

Sun 22/2

07:40-20:00

1 stop18h 20m

Houston George Bush Intcntl

Thu 26/2

12:21-15:25

2 stops21h 04m

€1,018

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 September is, on average, the cheapest month to fly to Houston from Ireland, with most prices found around €646. If you are unable to visit Houston during the month of September, then departing from Ireland during the month May is also very affordable. Most momondo users find prices during this month for around €673.

Cheap Ireland to Houston flight deals and tips

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

Fastest flight time	12h 38m
Direct flights	None

The fastest flight from Ireland to Houston takes 12h 38m

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 January 2026.
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 €654	Free Cancellation	Rating 7.7 1,442 reviews	Search KLM flights
American Airlines	PriceFrom €673	Free Cancellation	Rating 7.2 11,166 reviews	Search American Airlines flights
United Airlines	PriceFrom €688	Free Cancellation	Rating 7.4 9,183 reviews	Search United Airlines flights
Lufthansa	PriceFrom €716	Free Cancellation	Rating 6.8 7,732 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.