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Ireland

$205+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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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 July 11, 2026.

This BusinessClass deal was found by Cheapflights users on 7/7. 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 8/196:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 8/261:20 pm
DUB
-
IAH
1 stop27h 30m
Aer Lingus
Deal found 7/7$442
This KAYAK deal was found by Cheapflights users on 7/7. 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 9/161:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 7/7$479
This BusinessClass deal was found by Cheapflights users on 7/6. 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.
Tue 9/16:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Mon 9/141:20 pm
DUB
-
IAH
1 stop27h 47m
Aer Lingus
Deal found 7/6$522
This Flighttix deal was found by Cheapflights users on 7/7. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:53 am
IAH
-
DUB
1 stop15h 07m
JetBlue
Tue 8/2511:30 am
DUB
-
IAH
1 stop29h 31m
JetBlue
Deal found 7/7$685
This Gotogate deal was found by Cheapflights users on 7/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:30 pm
IAH
-
DUB
1 stop34h 40m
Air Canada
Fri 11/139:00 am
DUB
-
IAH
1 stop31h 53m
Air Canada
Deal found 7/9$689
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sun 11/16:40 pm
IAH
-
DUB
1 stop33h 40m
United Airlines
Fri 11/139:00 am
DUB
-
IAH
1 stop31h 53m
United Airlines
Deal found 7/8$700
This Cheapflightsfares deal was found by Cheapflights users on 7/9. 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.
Tue 10/203:30 pm
IAH
-
DUB
1 stop17h 05m
British Airways
Tue 11/310:55 am
DUB
-
IAH
1 stop15h 05m
British Airways
Deal found 7/9$702
This Finnair deal was found by Cheapflights users on 7/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:30 pm
IAH
-
DUB
1 stop12h 10m
Multiple Airlines
Tue 11/36:05 pm
DUB
-
IAH
2 stops29h 52m
Multiple Airlines
Deal found 7/8$710
This Finnair deal was found by Cheapflights users on 7/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:50 pm
IAH
-
DUB
1 stop19h 00m
Multiple Airlines
Wed 11/188:40 pm
DUB
-
IAH
1 stop23h 25m
Multiple Airlines
Deal found 7/10$711
This KLM deal was found by Cheapflights users on 7/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:42 am
IAH
-
DUB
1 stop16h 03m
KLM
Wed 11/185:45 am
DUB
-
IAH
1 stop13h 40m
KLM
Deal found 7/8$712
This Delta deal was found by Cheapflights users on 7/7. 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 11/211:05 am
HOU
-
DUB
1 stop14h 40m
Delta
Wed 11/188:50 am
DUB
-
HOU
2 stops18h 53m
Delta
Deal found 7/7$722
This American Airlines deal was found by Cheapflights users on 7/10. 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.
Tue 11/179:05 am
HOU
-
DUB
1 stop16h 10m
American Airlines
Tue 11/241:00 pm
DUB
-
HOU
1 stop12h 50m
American Airlines
Deal found 7/10$725

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 July 11, 2026.

Round-trip from

$442
(BusinessClass)

One-way from

$205
(BusinessClass)

Popular in

June

Cheapest in

September

Average price

$979
From Houston to Ireland
Search Deals
One-way flight from Houston to Ireland
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 11, 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

HOU - DUB

HOUDUB

Houston Hobby

Tue 11/17

10:05 am-9:00 am

2 stops16h 55m

Dublin

Tue 11/24

5:45 am-9:43 pm

2 stops21h 58m

$727

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 10/20

3:28 pm-3:25 pm

2 stops17h 57m

Dublin

Tue 10/27

5:45 am-2:05 pm

1 stop13h 20m

$747

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 10/20

6:00 am-10:00 am

2 stops22h 00m

Dublin

Tue 10/27

5:45 am-11:09 pm

2 stops22h 24m

$756

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 10/29

3:28 pm-2:30 pm

2 stops18h 02m

Dublin

Fri 11/6

5:45 am-1:05 pm

1 stop13h 20m

$767

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Thu 10/29

2:59 pm-7:45 am

1 stop11h 46m

Dublin

Fri 11/6

5:45 am-11:09 pm

2 stops23h 24m

$772

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Mon 11/2

11:05 am-7:45 am

1 stop14h 40m

Dublin

Sat 11/14

5:45 am-9:43 pm

2 stops21h 58m

$772

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Mon 11/9

1:00 pm-7:45 am

1 stop12h 45m

Dublin

Mon 11/16

9:45 am-4:30 pm

1 stop12h 45m

$776

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Mon 11/9

1:00 pm-8:45 am

2 stops13h 45m

Dublin

Mon 11/16

5:45 am-4:30 pm

2 stops16h 45m

$777

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 11/2

12:10 pm-8:45 am

2 stops14h 35m

Dublin

Sat 11/14

10:45 am-10:04 pm

2 stops17h 19m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 51 resultsSorted by cheapest first
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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 42 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 July 11, 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.
Delta
7.8
Good
8,458 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Delta
7.8
Good
8,458 reviews
Delta
7.8
Good
8,458 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
United Airlines
7.4
Good
9,978 reviews
Delta
7.8
Good
8,458 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Aer Lingus
7.3
Good
1,657 reviews
Delta
7.8
Good
8,458 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
American Airlines
7.1
Good
11,805 reviews
Delta
7.8
Good
8,458 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
British Airways
6.7
Okay
8,107 reviews
Delta
7.8
Good
8,458 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

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 12h 45m. 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?

    The most popular flight routes from Houston to Ireland are Houston Hobby - Dublin, Houston George Bush Intcntl - Dublin and Houston Hobby - Cork.

  • 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

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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 July 11, 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$684FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$885FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$545Average$934FlexibilityNo cancel feeOn-time71%
IberiaCheapest$601Average$840FlexibilityNo cancel feeOn-time77%
DeltaCheapest$607Average$756FlexibilityNo cancel feeOn-timeN/A

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