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

Aer Lingus, WestJet, and British Airways are the most popular carriers operating from Ireland to Houston

How long does it take to fly to Houston?

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 24h 30m on average, while flying from Milltown (Kerry) to Houston Hobby Airport is 27h 30m on average. Houston Hobby Airport is the most popular airport in Houston.

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

Prices for flights from Ireland to Houston refresh daily.

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

As of July 2025, there are 2 operators available to choose from for flights from Ireland to Houston.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Houston may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$302 Cheap Flights from Ireland to Houston in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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 round-trip flight deals from Ireland to Houston

7:05 pm - 12:17 amDUB-IAH

35h 12m3 stops

7:21 am - 10:45 amIAH-DUB

22h 24m2 stops

$555

Find Deal

mié., oct. 22 - lun., oct. 27

7:05 pm - 12:17 amDUB-IAH

35h 12m3 stops

5:25 am - 10:45 amIAH-DUB

24h 20m3 stops

$581

Find Deal

mié., oct. 22 - lun., oct. 27

7:50 am - 5:00 amDUB-IAH

27h 10m2 stops

12:58 pm - 12:05 amIAH-DUB

29h 07m2 stops

$613

Find Deal

jue., ago. 28 - mié., sep. 10

10:10 am - 12:59 amDUB-IAH

43h 49m2 stops

1:29 pm - 11:45 amIAH-DUB

40h 16m2 stops

$708Scandinavian Airlines

Find Deal

sáb., nov. 1 - sáb., nov. 8

10:40 am - 1:41 pmDUB-IAH

33h 01m1 stop

2:35 pm - 9:00 amIAH-DUB

12h 25m1 stop

$709JetBlue

Find Deal

jue., sep. 4 - mié., sep. 17

1:35 pm - 12:40 pmDUB-IAH

29h 05m1 stop

2:25 pm - 12:35 pmIAH-DUB

40h 10m1 stop

$715Turkish Airlines

Find Deal

jue., ago. 28 - mié., sep. 10

1:35 pm - 7:05 pmDUB-IAH

35h 30m1 stop

9:05 pm - 3:20 pmIAH-DUB

36h 15m1 stop

$718Turkish Airlines

Find Deal

jue., oct. 16 - jue., nov. 13

12:40 pm - 11:56 pmDUB-IAH

41h 16m2 stops

3:59 pm - 11:50 amIAH-DUB

37h 51m2 stops

$759Scandinavian Airlines

Find Deal

jue., sep. 4 - mié., sep. 17

10:40 am - 11:35 amDUB-IAH

30h 55m1 stop

2:35 pm - 9:00 amIAH-DUB

12h 25m1 stop

$785JetBlue

Find Deal

jue., ago. 28 - mié., sep. 10

12:40 pm - 8:11 pmDUB-HOU

13h 31m1 stop

4:28 pm - 9:45 amHOU-DUB

11h 17m1 stop

$912American Airlines

Find Deal

jue., sep. 4 - mié., sep. 17

Iberia flights from Ireland to Houston

Our best Iberia deals on Ireland to Houston flight tickets

Iberia

Sep 13

DUB12:40 pmDublin

13h 31m

1 stop

HOU8:11 pmHouston Hobby

Sep 20

HOU2:33 pmHouston Hobby

13h 12m

1 stop

DUB9:45 amDublin

$920

Find similar

Iberia

Sep 12

DUB12:40 pmDublin

13h 31m

1 stop

HOU8:11 pmHouston Hobby

Sep 19

HOU2:33 pmHouston Hobby

13h 12m

1 stop

DUB9:45 amDublin

$928

Find similar

Iberia

Sep 12

DUB12:40 pmDublin

13h 31m

1 stop

HOU8:11 pmHouston Hobby

Sep 19

HOU2:33 pmHouston Hobby

13h 12m

1 stop

DUB9:45 amDublin

$930

Find similar

Delta flights from Ireland to Houston

Our best Delta deals on Ireland to Houston flight tickets

Delta

Dec 17

DUB6:00 amDublin

18h 14m

2 stops

IAH6:14 pmHouston George Bush Intcntl

Jan 7

IAH12:55 pmHouston George Bush Intcntl

20h 50m

2 stops

DUB3:45 pmDublin

$843

Find similar

Delta

Nov 22

DUB5:55 amDublin

13h 35m

1 stop

IAH1:30 pmHouston George Bush Intcntl

Dec 3

IAH12:55 pmHouston George Bush Intcntl

20h 50m

2 stops

DUB3:45 pmDublin

$844

Find similar

Delta

Nov 22

DUB5:55 amDublin

13h 35m

1 stop

IAH1:30 pmHouston George Bush Intcntl

Dec 3

IAH12:55 pmHouston George Bush Intcntl

20h 50m

2 stops

DUB3:45 pmDublin

$847

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

mié. 10/22

7:05 pm-12:17 am

3 stops35h 12m

Houston George Bush Intcntl

lun. 10/27

7:21 am-10:45 am

2 stops22h 24m

$555

DublinHouston

DUB - IAH

DUBIAH

Dublin

mié. 10/22

7:05 pm-12:17 am

3 stops35h 12m

Houston George Bush Intcntl

lun. 10/27

5:25 am-10:45 am

3 stops24h 20m

$581

DublinHouston

DUB - IAH

DUBIAH

Dublin

jue. 8/28

7:50 am-5:00 am

2 stops27h 10m

Houston George Bush Intcntl

mié. 9/10

12:58 pm-12:05 am

2 stops29h 07m

$613

DublinHouston

DUB - IAH

DUBIAH

Dublin

sáb. 11/1

10:10 am-12:59 am

2 stops43h 49m

Houston George Bush Intcntl

sáb. 11/8

1:29 pm-11:45 am

2 stops40h 16m

$708

DublinHouston

DUB - IAH

DUBIAH

Dublin

jue. 9/4

10:40 am-1:41 pm

1 stop33h 01m

Houston George Bush Intcntl

mié. 9/17

2:35 pm-9:00 am

1 stop12h 25m

$709

DublinHouston

DUB - IAH

DUBIAH

Dublin

jue. 8/28

1:35 pm-12:40 pm

1 stop29h 05m

Houston George Bush Intcntl

mié. 9/10

2:25 pm-12:35 pm

1 stop40h 10m

$715

DublinHouston

DUB - IAH

DUBIAH

Dublin

jue. 10/16

1:35 pm-7:05 pm

1 stop35h 30m

Houston George Bush Intcntl

jue. 11/13

9:05 pm-3:20 pm

1 stop36h 15m

$718

DublinHouston

DUB - IAH

DUBIAH

Dublin

jue. 9/4

12:40 pm-11:56 pm

2 stops41h 16m

Houston George Bush Intcntl

mié. 9/17

3:59 pm-11:50 am

2 stops37h 51m

$759

DublinHouston

DUB - IAH

DUBIAH

Dublin

jue. 8/28

10:40 am-11:35 am

1 stop30h 55m

Houston George Bush Intcntl

mié. 9/10

2:35 pm-9:00 am

1 stop12h 25m

$785

DublinHouston

DUB - HOU

DUBHOU

Dublin

jue. 9/4

12:40 pm-8:11 pm

1 stop13h 31m

Houston Hobby

mié. 9/17

4:28 pm-9:45 am

1 stop11h 17m

$912

Flights are sorted by cheapest round-trip 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 $717. The month of September is another great option to travel to Houston, with average flight prices from Ireland averaging around $751.

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

On average, the least expensive day to fly to Houston from Ireland is on a Monday. momondo users have found tickets for Monday departures for as low as $756. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $980.

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

Our data shows that the cheapest Ireland to Houston flights are usually those with departure times in the morning. Our users have found flights to Houston in the morning for as low as $852. Try not to purchase tickets in the evening because they tend to be around $868. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $854 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Ireland for as low as $703 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

Best Price Found	$302
Fastest flight time	12h 39m
Direct flights	None
Airports in Houston	2 airports

The best one-way flight to Houston from Ireland in the past 72 hours is $302. The best round-trip flight deal from Ireland to Houston found on momondo in the last 72 hours is $555.

The fastest flight from Ireland to Houston takes 12h 39m

There are no direct flights from Ireland to Houston. Popular non-direct routes for this connection are Dublin Airport - Houston Hobby Airport and Dublin Airport - Houston George Bush Intcntl Airport.

There are 2 airports near Houston: Houston George Bush Intcntl (IAH), Houston Hobby (HOU)

Search flight deals

When did momondo last update prices for flights from Ireland to Houston?
Prices for flights from Ireland to Houston refresh daily.
How many operators does momondo search for flights from Ireland to Houston?
As of July 2025, there are 2 operators available to choose from for flights from Ireland to Houston.
How old do you have to be to fly from Ireland to Houston?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Houston may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston. It is always advisable to seek advice from your airline or a trusted 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
American Airlines	PriceFrom $686	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $787	Free Cancellation	Rating 7.4 8,900 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?

All flight searches from Ireland to Houston on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Houston.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Ireland and alert you when they change.