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Cheap flights from Ireland to Houston from $398

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 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Recent round-trip flight deals from Ireland to Houston

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:20 pm - 11:59 pmDUB-IAH
14h 39m1 stop
Multiple Airlines Logo
8:00 am - 9:00 amIAH-DUB
19h 00m2 stops
$618Multiple Airlines
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Wed, Dec 10 - Wed, Dec 17
Multiple Airlines Logo
3:15 pm - 8:25 amDUB-IAH
23h 10m2 stops
Multiple Airlines Logo
3:55 pm - 1:20 pmIAH-DUB
15h 25m1 stop
$647Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
3:15 pm - 4:41 amDUB-IAH
19h 26m1 stop
Multiple Airlines Logo
3:55 pm - 1:20 pmIAH-DUB
15h 25m1 stop
$658Multiple Airlines
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Tue, Dec 9 - Tue, Dec 16
Turkish Airlines Logo
7:20 am - 7:10 pmDUB-IAH
41h 50m1 stop
Turkish Airlines Logo
9:05 pm - 3:30 pmIAH-DUB
36h 25m1 stop
$764Turkish Airlines
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Fri, Feb 20 - Tue, Feb 24
Turkish Airlines Logo
4:30 pm - 7:10 pmDUB-IAH
32h 40m1 stop
Turkish Airlines Logo
9:05 pm - 10:10 pmIAH-DUB
19h 05m1 stop
$765Turkish Airlines
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Fri, Feb 20 - Tue, Feb 24
Delta Logo
6:00 am - 8:10 pmORK-IAH
20h 10m2 stops
Delta Logo
3:30 pm - 10:45 amIAH-ORK
13h 15m1 stop
$887Delta
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Fri, Nov 28 - Tue, Dec 2
Delta Logo
5:15 pm - 1:30 pmORK-IAH
26h 15m1 stop
Delta Logo
4:05 pm - 3:00 pmIAH-ORK
16h 55m1 stop
$899Delta
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Fri, Feb 27 - Tue, Mar 3
British Airways Logo
8:05 pm - 2:05 pmSNN-IAH
24h 00m1 stop
British Airways Logo
1:22 pm - 11:30 amIAH-SNN
16h 08m2 stops
$1,029British Airways
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Fri, Feb 20 - Tue, Feb 24
British Airways Logo
8:05 pm - 2:05 pmSNN-IAH
24h 00m1 stop
British Airways Logo
5:30 pm - 4:45 pmIAH-SNN
17h 15m2 stops
$1,030British Airways
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Fri, Feb 20 - Tue, Feb 24
American Airlines Logo
7:50 am - 8:25 pmSNN-IAH
18h 35m2 stops
American Airlines Logo
2:00 pm - 11:30 amIAH-SNN
15h 30m2 stops
$1,033American Airlines
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Fri, Feb 20 - Tue, Feb 24

Turkish Airlines flights from Ireland to Houston George Bush Intcntl Airport

Our best Turkish Airlines deals on Ireland to Houston George Bush Intcntl Airport flight tickets
Turkish Airlines
Feb 20
DUB7:20 amDublin
41h 50m
1 stop
IAH7:10 pmHouston George Bush Intcntl
Feb 24
IAH9:05 pmHouston George Bush Intcntl
36h 25m
1 stop
DUB3:30 pmDublin
$764
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Turkish Airlines
Feb 20
DUB4:30 pmDublin
32h 40m
1 stop
IAH7:10 pmHouston George Bush Intcntl
Feb 24
IAH9:05 pmHouston George Bush Intcntl
30h 35m
1 stop
DUB9:40 amDublin
$765
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Air Canada flights from Ireland to Houston George Bush Intcntl Airport

Our best Air Canada deals on Ireland to Houston George Bush Intcntl Airport flight tickets
Air Canada
Nov 23
DUB9:00 amDublin
15h 38m
1 stop
IAH6:38 pmHouston George Bush Intcntl
Dec 6
IAH11:55 amHouston George Bush Intcntl
13h 15m
1 stop
DUB7:10 amDublin
$801
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Air Canada
Nov 23
DUB9:00 amDublin
18h 44m
1 stop
IAH9:44 pmHouston George Bush Intcntl
Dec 6
IAH12:10 pmHouston George Bush Intcntl
37h 00m
2 stops
DUB7:10 amDublin
$835
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Air Canada
Nov 22
DUB9:00 amDublin
15h 38m
1 stop
IAH6:38 pmHouston George Bush Intcntl
Dec 3
IAH6:25 pmHouston George Bush Intcntl
30h 45m
1 stop
DUB7:10 amDublin
$848
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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 November 13, 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

Wed 12/10

3:20 pm-11:59 pm

1 stop14h 39m

Houston George Bush Intcntl

Wed 12/17

8:00 am-9:00 am

2 stops19h 00m

$618

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 12/9

3:15 pm-8:25 am

2 stops23h 10m

Houston George Bush Intcntl

Tue 12/16

3:55 pm-1:20 pm

1 stop15h 25m

$647

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 12/9

3:15 pm-4:41 am

1 stop19h 26m

Houston George Bush Intcntl

Tue 12/16

3:55 pm-1:20 pm

1 stop15h 25m

$658

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 2/20

7:20 am-7:10 pm

1 stop41h 50m

Houston George Bush Intcntl

Tue 2/24

9:05 pm-3:30 pm

1 stop36h 25m

$764

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 2/20

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Tue 2/24

9:05 pm-10:10 pm

1 stop19h 05m

$765

CorkHouston

ORK - IAH

ORKIAH

Cork

Fri 11/28

6:00 am-8:10 pm

2 stops20h 10m

Houston George Bush Intcntl

Tue 12/2

3:30 pm-10:45 am

1 stop13h 15m

$887

CorkHouston

ORK - IAH

ORKIAH

Cork

Fri 2/27

5:15 pm-1:30 pm

1 stop26h 15m

Houston George Bush Intcntl

Tue 3/3

4:05 pm-3:00 pm

1 stop16h 55m

$899

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Fri 2/20

8:05 pm-2:05 pm

1 stop24h 00m

Houston George Bush Intcntl

Tue 2/24

1:22 pm-11:30 am

2 stops16h 08m

$1,029

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Fri 2/20

8:05 pm-2:05 pm

1 stop24h 00m

Houston George Bush Intcntl

Tue 2/24

5:30 pm-4:45 pm

2 stops17h 15m

$1,030

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Fri 2/20

7:50 am-8:25 pm

2 stops18h 35m

Houston George Bush Intcntl

Tue 2/24

2:00 pm-11:30 am

2 stops15h 30m

$1,033

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 $762. 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 $795.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Ireland to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $781. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Wednesday is $934.

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

You could potentially save up to 32% 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

Direct flights

None
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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