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Cheap flights from Houston to Ireland from $237

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 3/25. 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.
Multiple Airlines Logo
6:46 am - 8:15 am
IAH
-
DUB
19h 29m
2 stops
Multiple Airlines Logo
9:50 am - 3:27 pm
DUB
-
IAH
35h 37m
3 stops
$528Multiple Airlines
Tue, Apr 14 - Wed, Apr 22
United Airlines Logo
5:00 am - 9:45 am
IAH
-
DUB
22h 45m
1 stop
United Airlines Logo
9:50 am - 3:46 pm
DUB
-
IAH
35h 56m
1 stop
$552United Airlines
Tue, Aug 11 - Wed, Aug 19
Air Canada Logo
4:45 pm - 7:45 am
IAH
-
DUB
33h 00m
1 stop
Air Canada Logo
9:50 am - 7:38 pm
DUB
-
IAH
15h 48m
1 stop
$563Air Canada
Mon, Aug 24 - Tue, Sep 1
British Airways Logo
9:05 pm - 6:40 pm
IAH
-
DUB
15h 35m
1 stop
British Airways Logo
8:35 am - 7:15 pm
DUB
-
IAH
16h 40m
1 stop
$566British Airways
Mon, Aug 24 - Wed, Sep 2
KLM Logo
2:59 pm - 7:45 am
IAH
-
DUB
11h 46m
1 stop
KLM Logo
5:20 pm - 1:15 pm
DUB
-
IAH
25h 55m
1 stop
$594KLM
Mon, Mar 23 - Wed, Apr 8
Delta Logo
12:55 pm - 2:40 pm
IAH
-
ORK
19h 45m
2 stops
Delta Logo
6:15 am - 1:15 pm
ORK
-
IAH
13h 00m
1 stop
$636Delta
Wed, Aug 12 - Fri, Aug 21
Delta Logo
2:13 pm - 7:45 am
HOU
-
DUB
12h 32m
1 stop
Delta Logo
8:55 am - 10:42 pm
DUB
-
HOU
19h 47m
2 stops
$644Delta
Tue, Mar 24 - Tue, Mar 31
British Airways Logo
4:20 pm - 2:35 pm
HOU
-
DUB
16h 15m
2 stops
British Airways Logo
8:35 am - 7:55 pm
DUB
-
HOU
17h 20m
2 stops
$647British Airways
Tue, Aug 11 - Wed, Aug 19
American Airlines Logo
4:18 pm - 3:10 pm
HOU
-
ORK
16h 52m
2 stops
American Airlines Logo
7:10 am - 7:51 pm
ORK
-
HOU
18h 41m
2 stops
$842American Airlines
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
9:33 am - 6:00 am
HOU
-
SNN
14h 27m
2 stops
American Airlines Logo
11:00 am - 11:52 pm
SNN
-
HOU
18h 52m
2 stops
$864American Airlines
Tue, Jul 14 - Wed, Jul 22

British Airways flights from Houston to Ireland

Our best British Airways deals on Houston to Ireland flight tickets
British Airways
Aug 24
IAH9:05 pmHouston George Bush Intcntl
15h 35m
1 stop
DUB6:40 pmDublin
Sep 2
DUB8:35 amDublin
16h 40m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$566
British Airways
Mar 29
IAH3:25 pmHouston George Bush Intcntl
14h 40m
1 stop
DUB12:05 pmDublin
Apr 14
DUB10:30 amDublin
14h 45m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$614
British Airways
Aug 16
IAH3:30 pmHouston George Bush Intcntl
12h 10m
1 stop
DUB9:40 amDublin
Aug 22
DUB8:35 amDublin
16h 40m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$616

Air Canada flights from Houston to Ireland

Our best Air Canada deals on Houston to Ireland flight tickets
Air Canada
Aug 24
IAH4:45 pmHouston George Bush Intcntl
33h 00m
1 stop
DUB7:45 amDublin
Sep 1
DUB9:50 amDublin
15h 48m
1 stop
IAH7:38 pmHouston George Bush Intcntl
$563
Air Canada
Aug 24
IAH11:45 amHouston George Bush Intcntl
14h 00m
2 stops
DUB7:45 amDublin
Sep 1
DUB9:50 amDublin
15h 48m
1 stop
IAH7:38 pmHouston George Bush Intcntl
$575
Air Canada
Aug 24
IAH10:00 amHouston George Bush Intcntl
16h 15m
2 stops
DUB8:15 amDublin
Sep 1
DUB9:20 amDublin
16h 18m
2 stops
IAH7:38 pmHouston George Bush Intcntl
$583

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 February 25, 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

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 4/14

6:46 am-8:15 am

2 stops19h 29m

Dublin

Wed 4/22

9:50 am-3:27 pm

3 stops35h 37m

$528

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 8/11

5:00 am-9:45 am

1 stop22h 45m

Dublin

Wed 8/19

9:50 am-3:46 pm

1 stop35h 56m

$552

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 8/24

4:45 pm-7:45 am

1 stop33h 00m

Dublin

Tue 9/1

9:50 am-7:38 pm

1 stop15h 48m

$563

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 8/24

9:05 pm-6:40 pm

1 stop15h 35m

Dublin

Wed 9/2

8:35 am-7:15 pm

1 stop16h 40m

$566

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 3/23

2:59 pm-7:45 am

1 stop11h 46m

Dublin

Wed 4/8

5:20 pm-1:15 pm

1 stop25h 55m

$594

HoustonCork

IAH - ORK

IAHORK

Houston George Bush Intcntl

Wed 8/12

12:55 pm-2:40 pm

2 stops19h 45m

Cork

Fri 8/21

6:15 am-1:15 pm

1 stop13h 00m

$636

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 3/24

2:13 pm-7:45 am

1 stop12h 32m

Dublin

Tue 3/31

8:55 am-10:42 pm

2 stops19h 47m

$644

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 8/11

4:20 pm-2:35 pm

2 stops16h 15m

Dublin

Wed 8/19

8:35 am-7:55 pm

2 stops17h 20m

$647

HoustonCork

HOU - ORK

HOUORK

Houston Hobby

Tue 4/7

4:18 pm-3:10 pm

2 stops16h 52m

Cork

Tue 4/14

7:10 am-7:51 pm

2 stops18h 41m

$842

HoustonShannon

HOU - SNN

HOUSNN

Houston Hobby

Tue 7/14

9:33 am-6:00 am

2 stops14h 27m

Shannon

Wed 7/22

11:00 am-11:52 pm

2 stops18h 52m

$864

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, February 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 $649. If you aren’t able to travel to Ireland during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $674.

How far in advance should I book a flight 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 $785 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 $648 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 49m

Direct flights

None
The fastest flight from Houston to Ireland takes 11h 49m
There are no direct flights from Houston to Ireland. There are no popular flight routes from Houston to Ireland.
Search flight deals

  • 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
JetBluePriceFrom $101Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
KLMPriceFrom $443Free CancellationRating
7.7
1,460 reviews
Search KLM flights
British AirwaysPriceFrom $479Free CancellationRating
6.7
7,768 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $491Free CancellationRating
7.3
4,237 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $538Free CancellationRating
7.4
9,348 reviews
Search United Airlines flights
IberiaPriceFrom $541Free CancellationRating
7.0
3,127 reviews
Search Iberia flights
Aer LingusPriceFrom $547Free CancellationRating
7.2
1,464 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $556Free CancellationRating
7.1
11,350 reviews
Search American Airlines flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,237 reviews
Search Delta flights
Air FrancePriceFrom $629Free CancellationRating
7.4
1,538 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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