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Cheap flights from Ireland to Houston from $340

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 1/28. 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
0 bags

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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.
Multiple Airlines Logo
7:50 am - 11:34 pm
DUB
-
IAH
21h 44m2 stops
Multiple Airlines Logo
12:16 pm - 2:50 pm
IAH
-
DUB
20h 34m2 stops
$619Multiple Airlines
Mon, Jan 26 - Mon, Feb 9
Multiple Airlines Logo
3:15 pm - 5:54 am
DUB
-
IAH
20h 39m1 stop
Multiple Airlines Logo
8:55 am - 1:20 pm
IAH
-
DUB
22h 25m1 stop
$638Multiple Airlines
Tue, Feb 17 - Sat, Feb 21
Multiple Airlines Logo
7:50 am - 11:11 am
DUB
-
IAH
33h 21m2 stops
Multiple Airlines Logo
7:27 pm - 8:45 am
IAH
-
DUB
31h 18m1 stop
$649Multiple Airlines
Mon, Jan 26 - Mon, Feb 9
Scandinavian Airlines Logo
12:30 pm - 11:37 pm
DUB
-
IAH
41h 07m2 stops
Scandinavian Airlines Logo
4:06 pm - 11:45 am
IAH
-
DUB
37h 39m2 stops
$677Scandinavian Airlines
Mon, Jan 26 - Mon, Feb 9
Turkish Airlines Logo
4:30 pm - 7:10 pm
DUB
-
IAH
32h 40m1 stop
Turkish Airlines Logo
9:05 pm - 9:40 am
IAH
-
DUB
30h 35m1 stop
$689Turkish Airlines
Mon, Jan 26 - Mon, Feb 9
Turkish Airlines Logo
10:40 am - 7:10 pm
DUB
-
IAH
38h 30m1 stop
Turkish Airlines Logo
9:05 pm - 9:40 am
IAH
-
DUB
30h 35m1 stop
$735Turkish Airlines
Mon, Jan 26 - Mon, Feb 9
British Airways Logo
8:05 pm - 2:05 pm
SNN
-
IAH
24h 00m1 stop
British Airways Logo
2:55 pm - 11:30 am
IAH
-
SNN
14h 35m2 stops
$973British Airways
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
7:50 am - 11:59 pm
SNN
-
IAH
22h 09m2 stops
American Airlines Logo
1:57 pm - 11:30 am
IAH
-
SNN
15h 33m2 stops
$975American Airlines
Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
7:50 am - 8:00 pm
SNN
-
IAH
18h 10m1 stop
American Airlines Logo
9:45 pm - 4:45 pm
IAH
-
SNN
13h 00m1 stop
$993American Airlines
Thu, Feb 5 - Mon, Feb 9
British Airways Logo
7:50 am - 9:22 pm
SNN
-
IAH
19h 32m2 stops
British Airways Logo
6:10 pm - 4:45 pm
IAH
-
SNN
16h 35m2 stops
$1,107British Airways
Sun, Jan 11 - Thu, Jan 15

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
May 16
DUB11:35 amDublin
27h 04m
1 stop
IAH8:39 amHouston George Bush Intcntl
May 17
IAH12:10 pmHouston George Bush Intcntl
16h 30m
1 stop
DUB10:40 amDublin
$767
Find similar
United Airlines
Jan 6
DUB10:40 amDublin
19h 19m
2 stops
IAH11:59 pmHouston George Bush Intcntl
Jan 17
IAH10:04 amHouston George Bush Intcntl
15h 26m
2 stops
DUB7:30 amDublin
$1,115
Find similar

Scandinavian Airlines flights from Ireland to Houston George Bush Intcntl Airport

Our best Scandinavian Airlines deals on Ireland to Houston George Bush Intcntl Airport flight tickets
Scandinavian Airlines
Jan 26
DUB12:30 pmDublin
41h 07m
2 stops
IAH11:37 pmHouston George Bush Intcntl
Feb 9
IAH4:06 pmHouston George Bush Intcntl
37h 39m
2 stops
DUB11:45 amDublin
$677
Find similar
Scandinavian Airlines
Jan 23
DUB12:30 pmDublin
41h 26m
2 stops
IAH11:56 pmHouston George Bush Intcntl
Jan 26
IAH12:40 pmHouston George Bush Intcntl
41h 05m
2 stops
DUB11:45 amDublin
$810
Find similar
Scandinavian Airlines
Jan 23
DUB12:30 pmDublin
41h 26m
2 stops
IAH11:56 pmHouston George Bush Intcntl
Jan 26
IAH12:40 pmHouston George Bush Intcntl
41h 05m
2 stops
DUB11:45 amDublin
$811
Find similar

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 December 28, 2025.
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

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/26

7:50 am-11:34 pm

2 stops21h 44m

Houston George Bush Intcntl

Mon 2/9

12:16 pm-2:50 pm

2 stops20h 34m

$619

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 2/17

3:15 pm-5:54 am

1 stop20h 39m

Houston George Bush Intcntl

Sat 2/21

8:55 am-1:20 pm

1 stop22h 25m

$638

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/26

7:50 am-11:11 am

2 stops33h 21m

Houston George Bush Intcntl

Mon 2/9

7:27 pm-8:45 am

1 stop31h 18m

$649

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/26

12:30 pm-11:37 pm

2 stops41h 07m

Houston George Bush Intcntl

Mon 2/9

4:06 pm-11:45 am

2 stops37h 39m

$677

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/26

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Mon 2/9

9:05 pm-9:40 am

1 stop30h 35m

$689

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/26

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Mon 2/9

9:05 pm-9:40 am

1 stop30h 35m

$735

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Thu 2/5

8:05 pm-2:05 pm

1 stop24h 00m

Houston George Bush Intcntl

Mon 2/9

2:55 pm-11:30 am

2 stops14h 35m

$973

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Thu 2/5

7:50 am-11:59 pm

2 stops22h 09m

Houston George Bush Intcntl

Mon 2/9

1:57 pm-11:30 am

2 stops15h 33m

$975

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Thu 2/5

7:50 am-8:00 pm

1 stop18h 10m

Houston George Bush Intcntl

Mon 2/9

9:45 pm-4:45 pm

1 stop13h 00m

$993

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Sun 1/11

7:50 am-9:22 pm

2 stops19h 32m

Houston George Bush Intcntl

Thu 1/15

6:10 pm-4:45 pm

2 stops16h 35m

$1,107

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 February is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Ireland, with most prices found around $746. If you are unable to visit Houston George Bush Intcntl Airport during the month of February, then departing from Ireland during the month January is also very affordable. Most momondo users find prices during this month for around $809.

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

14h 05m

Direct flights

None
The fastest flight from Ireland to Houston George Bush Intcntl Airport takes 14h 05m
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.
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  • 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
The Woodlands
Katy
Conroe
Cypress
Humble
Spring
Montgomery
Tomball
Livingston
Jersey Village

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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