Ireland

$211+ Cheap flights from Houston to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Jul 20 — Jul 271
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Houston to Ireland

Cheapest flights from Houston to Ireland
Explore the most affordable flight options available from Houston to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.

This KAYAK deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Tue 9/81:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 6/17$449
This BusinessClass deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 8/261:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 6/18$452
This KAYAK deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:00 pm
IAH
-
DUB
1 stop12h 10m
Aer Lingus
Fri 11/61:00 pm
DUB
-
IAH
1 stop27h 53m
Aer Lingus
Deal found 6/17$495
This Ovago deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sun 8/301:20 pm
DUB
-
IAH
1 stop27h 30m
Aer Lingus
Deal found 6/20$500
This KAYAK deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Mon 8/311:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 6/17$549
This KAYAK deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 9/21:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 6/15$563
This KAYAK deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Thu 9/101:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 6/15$657
This United Airlines deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:34 pm
IAH
-
DUB
1 stop31h 46m
United Airlines
Wed 11/189:00 am
DUB
-
IAH
1 stop31h 53m
United Airlines
Deal found 6/19$700
This Cheapflightsfares deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:45 pm
IAH
-
DUB
1 stop15h 55m
British Airways
Wed 12/28:40 pm
DUB
-
IAH
1 stop23h 25m
British Airways
Deal found 6/19$702
This FlightHub deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:43 am
IAH
-
DUB
1 stop16h 02m
Multiple Airlines
Tue 11/35:10 am
DUB
-
IAH
1 stop14h 50m
Multiple Airlines
Deal found 6/19$706
This Delta deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:00 pm
HOU
-
DUB
1 stop12h 45m
Delta
Mon 12/75:45 am
DUB
-
HOU
2 stops21h 58m
Delta
Deal found 6/19$772
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:33 am
HOU
-
DUB
1 stop16h 42m
American Airlines
Tue 11/31:00 pm
DUB
-
HOU
1 stop12h 50m
American Airlines
Deal found 6/16$801

Find flight deals from Houston to Ireland

Keep the following information in mind while searching for Houston to Ireland flight deals. Data was last updated June 20, 2026.

Round-trip from

$449
(KAYAK)

One-way from

$211
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$1,236
From Houston to Ireland
One-way flight from Houston to Ireland
Highest demand for flights based on searches. 17% potential increase in price ($171 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 20, 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

Sun 11/1

6:40 pm-10:20 am

1 stop33h 40m

Dublin

Fri 11/13

9:00 am-10:53 am

1 stop31h 53m

$700

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sat 11/7

6:10 pm-7:10 am

1 stop31h 00m

Dublin

Thu 11/12

5:10 am-2:00 pm

1 stop14h 50m

$790

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 8/3

1:14 pm-8:20 am

1 stop13h 06m

Dublin

Wed 8/19

11:30 am-10:59 am

1 stop29h 29m

$804

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Fri 11/27

11:55 am-7:30 am

1 stop13h 35m

Dublin

Sat 12/5

9:00 am-5:08 pm

1 stop14h 08m

$812

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 8/31

9:10 pm-9:20 am

1 stop30h 10m

Dublin

Fri 9/11

5:35 am-7:15 pm

1 stop19h 40m

$826

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 8/26

5:00 am-9:45 am

1 stop22h 45m

Dublin

Wed 9/2

9:50 am-3:46 pm

1 stop35h 56m

$833

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 11/2

9:45 pm-7:40 pm

1 stop15h 55m

Dublin

Sat 11/14

5:55 pm-2:05 pm

1 stop26h 10m

$836

HoustonShannon

HOU - SNN

HOUSNN

Houston Hobby

Mon 8/3

10:50 am-11:10 am

2 stops18h 20m

Shannon

Wed 8/19

1:05 pm-4:25 pm

2 stops33h 20m

$836

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Mon 8/3

1:46 pm-10:15 am

1 stop14h 29m

Shannon

Wed 8/19

12:30 pm-12:27 am

2 stops17h 57m

$836

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/1

9:05 pm-6:50 pm

1 stop15h 45m

Dublin

Fri 11/20

8:50 am-8:00 pm

1 stop17h 10m

$846

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Houston to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Ireland

What is the cheapest month to book a flight from Houston to Ireland?

Currently, August is the cheapest month in which you can book a flight from Houston to Ireland (average of $101). Flying from Houston to Ireland in May is currently the most expensive (average of $525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

To ensure you get the cheapest price possible for a flight from Houston to Ireland, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated June 20, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAer Lingus from Houston to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Overall

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Houston to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Houston to Ireland?

    Departing from Houston to Ireland will take you 13h 32m. Houston and Ireland are separated by a distance of 4560 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Houston to Ireland?

  • Can I find deals for flights from Houston to Ireland that include hotel bookings?

    Yes. In addition to deals on Houston to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Ireland.

  • Can I find deals for business class flights from Houston to Ireland?

    Yes. Cheapflights offers flight deals from Houston to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to Ireland?

    Currently, August is the cheapest month in which you can book a flight from Houston to Ireland (average of $101). Flying from Houston to Ireland in May is currently the most expensive (average of $525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 8 airlines flying from Houston to Ireland

Discover the top 8 airlines that operate flights from Houston to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$363Average$758FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$398Average$487FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$442Average$717FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$491Average$668FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$843FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$545Average$984FlexibilityNo cancel feeOn-time71%
DeltaCheapest$580Average$735FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$601Average$808FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.