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Cheap flights from Houston to Ireland from $343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Ireland departing on 7/25. 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 Houston to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
6:45 am - 5:10 am
IAH
-
DUB
16h 25m
1 stop
Aer Lingus Logo
1:20 pm - 9:52 pm
DUB
-
IAH
14h 32m
1 stop
$449Aer Lingus
Wed, Sep 2 - Tue, Sep 8
Aer Lingus Logo
6:45 am - 5:10 am
IAH
-
DUB
16h 25m
1 stop
Aer Lingus Logo
1:20 pm - 9:52 pm
DUB
-
IAH
14h 32m
1 stop
$480Aer Lingus
Tue, Sep 1 - Fri, Sep 11
Delta Logo
6:00 am - 7:45 am
HOU
-
DUB
19h 45m
1 stop
Delta Logo
1:25 pm - 9:26 am
DUB
-
HOU
26h 01m
2 stops
$798Delta
Sun, Nov 1 - Wed, Nov 18
KLM Logo
10:05 am - 7:45 am
HOU
-
DUB
15h 40m
1 stop
KLM Logo
9:45 am - 4:30 pm
DUB
-
HOU
12h 45m
1 stop
$801KLM
Sun, Nov 1 - Wed, Nov 18
Delta Logo
1:00 pm - 8:45 am
HOU
-
DUB
13h 45m
1 stop
Delta Logo
5:55 am - 4:31 pm
DUB
-
HOU
16h 36m
2 stops
$802Delta
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
9:57 am - 10:15 am
IAH
-
SNN
18h 18m
1 stop
United Airlines Logo
12:30 pm - 8:45 pm
SNN
-
IAH
14h 15m
1 stop
$803United Airlines
Tue, Sep 1 - Fri, Sep 4
KLM Logo
1:00 pm - 8:45 am
HOU
-
DUB
13h 45m
1 stop
KLM Logo
11:00 am - 10:35 pm
DUB
-
HOU
17h 35m
1 stop
$806KLM
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
11:55 am - 10:15 am
IAH
-
SNN
16h 20m
2 stops
United Airlines Logo
9:30 am - 7:06 pm
SNN
-
IAH
15h 36m
2 stops
$808United Airlines
Sun, Sep 6 - Thu, Sep 10
British Airways Logo
6:19 pm - 4:10 pm
HOU
-
SNN
15h 51m
2 stops
British Airways Logo
7:30 am - 7:51 pm
SNN
-
HOU
18h 21m
2 stops
$1,050British Airways
Tue, Oct 6 - Wed, Oct 14
British Airways Logo
6:14 pm - 4:10 pm
HOU
-
SNN
15h 56m
2 stops
British Airways Logo
4:50 pm - 5:44 pm
SNN
-
HOU
30h 54m
2 stops
$1,131British Airways
Tue, Aug 11 - Tue, Aug 25

United Airlines flights from Houston to Ireland

Our best United Airlines deals on Houston to Ireland flight tickets
United Airlines
Aug 31
IAH8:11 pmHouston George Bush Intcntl
29h 19m
1 stop
DUB7:30 amDublin
Sep 11
DUB9:50 amDublin
35h 47m
1 stop
IAH3:37 pmHouston George Bush Intcntl
$772
United Airlines
Aug 31
IAH8:11 pmHouston George Bush Intcntl
32h 59m
1 stop
DUB11:10 amDublin
Sep 11
DUB9:50 amDublin
35h 47m
1 stop
IAH3:37 pmHouston George Bush Intcntl
$773
United Airlines
Nov 8
IAH8:06 pmHouston George Bush Intcntl
30h 04m
1 stop
DUB8:10 amDublin
Nov 18
DUB9:00 amDublin
30h 05m
1 stop
IAH9:05 amHouston George Bush Intcntl
$776

JetBlue flights from Houston to Ireland

Our best JetBlue deals on Houston to Ireland flight tickets
JetBlue
Jul 21
IAH1:14 pmHouston George Bush Intcntl
13h 06m
1 stop
DUB8:20 amDublin
Jul 29
DUB10:40 amDublin
13h 01m
1 stop
IAH5:41 pmHouston George Bush Intcntl
$764
JetBlue
Jun 10
IAH11:56 amHouston George Bush Intcntl
15h 04m
1 stop
DUB9:00 amDublin
Jun 16
DUB11:30 amDublin
29h 31m
1 stop
IAH11:01 amHouston George Bush Intcntl
$837
JetBlue
Jun 10
IAH2:25 pmHouston George Bush Intcntl
11h 55m
1 stop
DUB8:20 amDublin
Sep 8
DUB10:40 amDublin
31h 25m
1 stop
IAH12:05 pmHouston George Bush Intcntl
$910

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Ireland 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 May 27, 2026.
Use the filters below to find and compare flights from Houston to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 9/2

6:45 am-5:10 am

1 stop16h 25m

Dublin

Tue 9/8

1:20 pm-9:52 pm

1 stop14h 32m

$449

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/1

6:45 am-5:10 am

1 stop16h 25m

Dublin

Fri 9/11

1:20 pm-9:52 pm

1 stop14h 32m

$480

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Sun 11/1

6:00 am-7:45 am

1 stop19h 45m

Dublin

Wed 11/18

1:25 pm-9:26 am

2 stops26h 01m

$798
Quickest round-trip

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Sun 11/1

10:05 am-7:45 am

1 stop15h 40m

Dublin

Wed 11/18

9:45 am-4:30 pm

1 stop12h 45m

$801

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 9/8

1:00 pm-8:45 am

1 stop13h 45m

Dublin

Wed 9/16

5:55 am-4:31 pm

2 stops16h 36m

$802

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Tue 9/1

9:57 am-10:15 am

1 stop18h 18m

Shannon

Fri 9/4

12:30 pm-8:45 pm

1 stop14h 15m

$803

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 9/8

1:00 pm-8:45 am

1 stop13h 45m

Dublin

Wed 9/16

11:00 am-10:35 pm

1 stop17h 35m

$806

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Sun 9/6

11:55 am-10:15 am

2 stops16h 20m

Shannon

Thu 9/10

9:30 am-7:06 pm

2 stops15h 36m

$808

HoustonShannon

HOU - SNN

HOUSNN

Houston Hobby

Tue 10/6

6:19 pm-4:10 pm

2 stops15h 51m

Shannon

Wed 10/14

7:30 am-7:51 pm

2 stops18h 21m

$1,050

HoustonShannon

HOU - SNN

HOUSNN

Houston Hobby

Tue 8/11

6:14 pm-4:10 pm

2 stops15h 56m

Shannon

Tue 8/25

4:50 pm-5:44 pm

2 stops30h 54m

$1,131

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 Ireland from

How to get the cheapest flight ticket from Houston to Ireland

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 Ireland?

In general, August is the cheapest month to fly from Houston to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $101. If you aren’t able to travel to Ireland during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $215.

How far in advance should I book a flight from Houston to Ireland?

You are more likely to see cheaper flights to Ireland from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $771 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Houston for as low as $631 on momondo.

Cheap Houston to Ireland flight deals and tips

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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Houston to Ireland takes 11h 55m
There are no direct flights from Houston to Ireland. There are no popular flight routes from Houston to Ireland.
Search flight deals

Frequently asked questions about flying from Houston to Ireland

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

    Prices for flights from Houston to Ireland refresh daily.

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

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

    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 Houston to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland 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 license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Ireland

Compare and see reviews for airlines that fly from Houston to Ireland with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $363Free CancellationRating
7.8
1,524 reviews
Search KLM flights
Aer LingusPriceFrom $398Free CancellationRating
7.3
1,586 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $442Free CancellationRating
6.7
8,007 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $491Free CancellationRating
7.4
4,396 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $492Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
United AirlinesPriceFrom $541Free CancellationRating
7.4
9,753 reviews
Search United Airlines flights
Air CanadaPriceFrom $548Free CancellationRating
7.1
11,092 reviews
Search Air Canada flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,423 reviews
Search Delta flights
IberiaPriceFrom $615Free CancellationRating
7.0
3,220 reviews
Search Iberia flights
Air FrancePriceFrom $629Free CancellationRating
7.4
1,592 reviews
Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Ireland?

Finding the right flight to Ireland from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ireland quick and easy, saving you time and money.

Can I find flights from Houston to Ireland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Ireland flights to just show those with flexible booking policies.

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

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 Houston to Ireland.

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

Yes momondo offers price alerts on flights to Ireland from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ireland trip

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