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Cheap flights from Ireland to Houston from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Houston departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ireland to Houston

Recent round-trip flight deals from Ireland to Houston

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 am - 5:41 pm
DUB
-
IAH
13h 01m
1 stop
JetBlue Logo
11:53 am - 9:00 am
IAH
-
DUB
15h 07m
1 stop
$611JetBlue
Thu, Jul 30 - Thu, Aug 13
JetBlue Logo
10:40 am - 5:02 pm
DUB
-
IAH
12h 22m
1 stop
JetBlue Logo
11:53 am - 9:00 am
IAH
-
DUB
15h 07m
1 stop
$624JetBlue
Thu, Aug 20 - Sat, Sep 5
JetBlue Logo
10:40 am - 4:49 pm
DUB
-
IAH
12h 09m
1 stop
JetBlue Logo
11:53 am - 9:00 am
IAH
-
DUB
15h 07m
1 stop
$625JetBlue
Sat, Aug 22 - Sat, Sep 5
United Airlines Logo
12:30 pm - 8:53 pm
SNN
-
IAH
14h 23m
1 stop
United Airlines Logo
12:02 pm - 10:15 am
IAH
-
SNN
16h 13m
1 stop
$1,038United Airlines
Wed, Sep 30 - Sun, Oct 4
United Airlines Logo
12:30 pm - 8:53 pm
SNN
-
IAH
14h 23m
1 stop
United Airlines Logo
12:02 pm - 10:15 am
IAH
-
SNN
16h 13m
1 stop
$1,039United Airlines
Wed, Sep 30 - Sun, Oct 4
British Airways Logo
9:15 pm - 1:25 pm
SNN
-
IAH
22h 10m
1 stop
British Airways Logo
6:53 pm - 8:35 pm
IAH
-
SNN
19h 42m
2 stops
$1,125British Airways
Fri, Jul 24 - Tue, Jul 28
Lufthansa Logo
12:30 pm - 1:20 pm
SNN
-
IAH
30h 50m
2 stops
Lufthansa Logo
4:20 pm - 7:30 am
IAH
-
SNN
57h 10m
2 stops
$1,146Lufthansa
Fri, Jul 24 - Tue, Jul 28
Multiple Airlines Logo
6:15 am - 1:20 pm
ORK
-
IAH
13h 05m
1 stop
Multiple Airlines Logo
3:27 pm - 2:40 pm
IAH
-
ORK
17h 13m
2 stops
$1,151Multiple Airlines
Fri, Jul 24 - Tue, Jul 28
Multiple Airlines Logo
6:15 am - 5:39 pm
ORK
-
IAH
17h 24m
2 stops
Multiple Airlines Logo
3:27 pm - 2:40 pm
IAH
-
ORK
17h 13m
2 stops
$1,157Multiple Airlines
Fri, Jul 24 - Tue, Jul 28
British Airways Logo
8:30 pm - 1:25 pm
ORK
-
IAH
22h 55m
1 stop
British Airways Logo
3:30 pm - 10:45 am
IAH
-
ORK
13h 15m
1 stop
$1,208British Airways
Fri, Sep 25 - Tue, Sep 29

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JetBlue flights from Ireland to Houston George Bush Intcntl Airport

Our best JetBlue deals on Ireland to Houston George Bush Intcntl Airport flight tickets
JetBlue
Jul 30
DUB10:40 amDublin
13h 01m
1 stop
IAH5:41 pmHouston George Bush Intcntl
Aug 13
IAH11:53 amHouston George Bush Intcntl
15h 07m
1 stop
DUB9:00 amDublin
$611
JetBlue
Aug 20
DUB10:40 amDublin
12h 22m
1 stop
IAH5:02 pmHouston George Bush Intcntl
Sep 5
IAH11:53 amHouston George Bush Intcntl
15h 07m
1 stop
DUB9:00 amDublin
$624
JetBlue
Aug 22
DUB10:40 amDublin
12h 09m
1 stop
IAH4:49 pmHouston George Bush Intcntl
Sep 5
IAH11:53 amHouston George Bush Intcntl
15h 07m
1 stop
DUB9:00 amDublin
$625

United Airlines flights from Ireland to Houston George Bush Intcntl Airport

Our best United Airlines deals on Ireland to Houston George Bush Intcntl Airport flight tickets
United Airlines
Sep 30
SNN12:30 pmShannon
14h 23m
1 stop
IAH8:53 pmHouston George Bush Intcntl
Oct 4
IAH12:02 pmHouston George Bush Intcntl
16h 13m
1 stop
SNN10:15 amShannon
$1,038
United Airlines
Sep 30
SNN12:30 pmShannon
14h 23m
1 stop
IAH8:53 pmHouston George Bush Intcntl
Oct 4
IAH12:02 pmHouston George Bush Intcntl
16h 13m
1 stop
SNN10:15 amShannon
$1,039
United Airlines
Sep 30
SNN12:30 pmShannon
16h 15m
2 stops
IAH10:45 pmHouston George Bush Intcntl
Oct 4
IAH12:15 pmHouston George Bush Intcntl
16h 00m
2 stops
SNN10:15 amShannon
$1,040

momondo Fare Finder

 
Customize your flight search to find flights from Ireland to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 12, 2026.
Use the filters below to find and compare flights from Ireland to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 7/30

10:40 am-5:41 pm

1 stop13h 01m

Houston George Bush Intcntl

Thu 8/13

11:53 am-9:00 am

1 stop15h 07m

$611

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 8/20

10:40 am-5:02 pm

1 stop12h 22m

Houston George Bush Intcntl

Sat 9/5

11:53 am-9:00 am

1 stop15h 07m

$624
Quickest round-trip

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 8/22

10:40 am-4:49 pm

1 stop12h 09m

Houston George Bush Intcntl

Sat 9/5

11:53 am-9:00 am

1 stop15h 07m

$625

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Wed 9/30

12:30 pm-8:53 pm

1 stop14h 23m

Houston George Bush Intcntl

Sun 10/4

12:02 pm-10:15 am

1 stop16h 13m

$1,038

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Wed 9/30

12:30 pm-8:53 pm

1 stop14h 23m

Houston George Bush Intcntl

Sun 10/4

12:02 pm-10:15 am

1 stop16h 13m

$1,039

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Fri 7/24

9:15 pm-1:25 pm

1 stop22h 10m

Houston George Bush Intcntl

Tue 7/28

6:53 pm-8:35 pm

2 stops19h 42m

$1,125

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Fri 7/24

12:30 pm-1:20 pm

2 stops30h 50m

Houston George Bush Intcntl

Tue 7/28

4:20 pm-7:30 am

2 stops57h 10m

$1,146

CorkHouston

ORK - IAH

ORKIAH

Cork

Fri 7/24

6:15 am-1:20 pm

1 stop13h 05m

Houston George Bush Intcntl

Tue 7/28

3:27 pm-2:40 pm

2 stops17h 13m

$1,151

CorkHouston

ORK - IAH

ORKIAH

Cork

Fri 7/24

6:15 am-5:39 pm

2 stops17h 24m

Houston George Bush Intcntl

Tue 7/28

3:27 pm-2:40 pm

2 stops17h 13m

$1,157

CorkHouston

ORK - IAH

ORKIAH

Cork

Fri 9/25

8:30 pm-1:25 pm

1 stop22h 55m

Houston George Bush Intcntl

Tue 9/29

3:30 pm-10:45 am

1 stop13h 15m

$1,208

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Ireland to Houston George Bush Intcntl Airport

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

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of June is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Ireland, with most prices found around $588. If you are unable to visit Houston George Bush Intcntl Airport during the month of June, then departing from Ireland during the month July is also very affordable. Most momondo users find prices during this month for around $645.

Can stopping save me money on Ireland to Houston George Bush Intcntl Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a Ireland to Houston George Bush Intcntl Airport flight.

Cheap Ireland to Houston George Bush Intcntl Airport flight deals and tips

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

Fastest flight time

12h 22m

Direct flights

None
The fastest flight from Ireland to Houston George Bush Intcntl Airport takes 12h 22m
There are no direct flights from Ireland to Houston George Bush Intcntl Airport. There are no popular flight routes from Ireland to Houston George Bush Intcntl Airport.
Search flight deals

Frequently asked questions about flying from Ireland to Houston George Bush Intcntl Airport

  • When did momondo last update prices for flights from Ireland to Houston George Bush Intcntl Airport?

    Prices for flights from Ireland to Houston George Bush Intcntl Airport refresh daily.

  • How old do you have to be to fly from Ireland to Houston George Bush Intcntl Airport?

    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 George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Conroe
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

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?

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Ireland.

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

Price alerts on flights to Houston from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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