What are the cheapest airlines to fly from Ireland to Houston one-way?

The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £547. However, be on the lookout for offers from Delta and WestJet, as they are both options that can get you from Ireland to Houston for a low price.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

What are the most popular airlines that fly from Ireland to Houston?

Before booking your flight from Ireland to Houston check out the most popular airlines for this route: American Airlines, Air France or British Airways.

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

To save on the cost of your flight from Ireland to Houston, book at least 60 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £559 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £813.

What is the cheapest month to fly from Ireland to Houston?

Our data shows that January tends to be the cheapest month to fly to Houston from Ireland. Users have commonly found prices around £621 for the month, but tickets can be as low as £500. Due to multiple factors, prepare for potentially higher prices in April.

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

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

How can I find direct flights from Ireland to Houston?

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

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

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

£546+ Flights from Ireland to Houston

Cheap flight deals from Ireland to Houston

Round-trip from	£546
Popular in	April
Cheapest in	January
Average price	£683

Turkish Airlines
25/9-8/10
2 total stops
59h 40m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Ireland to Houston

Cheapest flights from Ireland to Houston
Explore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Thu 25/913:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 8/1021:00IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/7£546

Fri 11/709:20DUB - IAH

1 stop15h 25mUnited Airlines

Sat 12/718:40IAH - DUB

1 stop33h 05mUnited Airlines

Deal found 7/7£620

Sat 15/1109:15DUB - IAH

1 stop15h 00mMultiple Airlines

Fri 21/1111:55IAH - DUB

1 stop13h 35mMultiple Airlines

Deal found 7/7£621

Wed 17/1217:15DUB - IAH

1 stop26h 15mKLM

Wed 7/112:30IAH - DUB

2 stops14h 15mKLM

Deal found 7/7£627

Thu 21/810:40DUB - IAH

1 stop30h 55mJetBlue

Wed 3/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 7/7£633

Thu 18/1205:55DUB - IAH

1 stop13h 35mDelta

Fri 2/111:32IAH - DUB

2 stops14h 33mDelta

Deal found 6/7£637

Fri 10/1013:15DUB - HOU

2 stops28h 57mDelta

Sun 19/1006:00HOU - DUB

2 stops20h 15mDelta

Deal found 7/7£656

Thu 21/811:00DUB - HOU

1 stop17h 31mKLM

Thu 28/809:57HOU - DUB

1 stop16h 48mKLM

Deal found 7/7£771

Thu 21/814:15DUB - HOU

2 stops15h 00mMultiple Airlines

Sun 31/813:50HOU - DUB

3 stops17h 25mMultiple Airlines

Deal found 5/7£1,000

Tue 22/711:15DUB - IAH

2 stops18h 09mBritish Airways

Tue 5/813:14IAH - DUB

2 stops19h 36mBritish Airways

Deal found 7/7£1,303

Thu 24/713:45DUB - IAH

1 stop15h 39mFinnair

Wed 30/714:29IAH - DUB

2 stops20h 46mFinnair

Deal found 7/7£1,373

Sun 21/1204:25DUB - IAH

2 stops20h 15mTAP AIR PORTUGAL

Mon 5/113:35IAH - DUB

2 stops20h 35mTAP AIR PORTUGAL

Deal found 6/7£1,532

Best flights from Ireland to Houston
Discover carefully curated flight deals from Ireland to Houston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 July 2025.

Thu 25/913:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 8/1021:00IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/7£546

Sat 15/1109:15DUB - IAH

1 stop15h 00mMultiple Airlines

Fri 21/1111:55IAH - DUB

1 stop13h 35mMultiple Airlines

Deal found 7/7£621

Sat 15/1109:00DUB - IAH

1 stop15h 38mUnited Airlines

Fri 21/1107:20IAH - DUB

2 stops21h 00mUnited Airlines

Deal found 7/7£622

Wed 17/1217:15DUB - IAH

1 stop26h 15mKLM

Wed 7/112:30IAH - DUB

2 stops14h 15mKLM

Deal found 7/7£627

Thu 21/810:40DUB - IAH

1 stop30h 55mJetBlue

Wed 3/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 7/7£633

Thu 18/1205:55DUB - IAH

1 stop13h 35mDelta

Fri 2/111:32IAH - DUB

2 stops14h 33mDelta

Deal found 6/7£637

Tue 22/711:15DUB - IAH

2 stops18h 09mBritish Airways

Thu 31/716:24IAH - DUB

2 stops19h 51mBritish Airways

Deal found 7/7£1,303

Fri 10/1013:15DUB - HOU

2 stops28h 57mDelta

Sun 19/1006:00HOU - DUB

2 stops20h 15mDelta

Deal found 7/7£656

Thu 24/713:45DUB - IAH

1 stop15h 39mFinnair

Wed 30/714:29IAH - DUB

2 stops20h 46mFinnair

Deal found 7/7£1,373

Sun 21/1204:25DUB - IAH

2 stops20h 15mTAP AIR PORTUGAL

Mon 5/113:35IAH - DUB

2 stops20h 35mTAP AIR PORTUGAL

Deal found 6/7£1,532

Thu 21/811:00DUB - HOU

1 stop17h 31mKLM

Thu 28/809:57HOU - DUB

1 stop16h 48mKLM

Deal found 7/7£771

Thu 21/814:15DUB - HOU

2 stops15h 00mMultiple Airlines

Sun 31/813:50HOU - DUB

3 stops17h 25mMultiple Airlines

Deal found 5/7£1,000

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 8 July 2025 and is based on user searches.

Fri 11/709:20DUB - IAH

1 stop15h 25mUnited Airlines

Sat 12/718:40IAH - DUB

1 stop33h 05mUnited Airlines

Deal found 7/7£620

Tue 22/711:15DUB - IAH

2 stops18h 09mBritish Airways

Tue 5/813:14IAH - DUB

2 stops19h 36mBritish Airways

Deal found 7/7£1,303

Thu 24/713:45DUB - IAH

1 stop15h 39mFinnair

Mon 4/818:23IAH - DUB

2 stops40h 52mFinnair

Deal found 7/7£1,373

Sat 26/710:00DUB - IAH

1 stop14h 21mKLM

Fri 1/814:20IAH - DUB

1 stop11h 35mKLM

Deal found 7/7£1,509

Sun 27/709:20DUB - IAH

1 stop15h 31mAustrian Airlines

Wed 30/711:00IAH - DUB

1 stop14h 20mAustrian Airlines

Deal found 7/7£1,656

Wed 20/805:55DUB - IAH

1 stop13h 40mMultiple Airlines

Tue 26/816:45IAH - DUB

1 stop11h 35mMultiple Airlines

Deal found 7/7£753

Wed 20/805:55DUB - IAH

1 stop13h 20mDelta

Tue 26/816:00IAH - DUB

2 stops17h 00mDelta

Deal found 7/7£758

Thu 21/810:40DUB - IAH

1 stop30h 55mJetBlue

Wed 3/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 7/7£633

Thu 21/811:10DUB - HOU

2 stops28h 16mDelta

Wed 3/909:57HOU - DUB

2 stops16h 18mDelta

Deal found 7/7£762

Thu 21/811:00DUB - HOU

1 stop17h 31mKLM

Thu 28/809:57HOU - DUB

1 stop16h 48mKLM

Deal found 7/7£771

Thu 21/814:15DUB - HOU

2 stops15h 00mMultiple Airlines

Sun 31/813:50HOU - DUB

3 stops17h 25mMultiple Airlines

Deal found 5/7£1,000

One-way flights from Ireland to Houston
Search for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 8 July 2025.

Wed 17/1208:50DUB - IAH

2 stops18h 40mBritish Airways

Deal found 7/7£547

Wed 17/1208:50DUB - HOU

2 stops17h 14mBritish Airways

Deal found 7/7£547

Thu 27/1105:55DUB - HOU

2 stops21h 45mDelta

Deal found 7/7£593

Wed 30/712:50DUB - IAH

1 stop15h 52mWestJet

Deal found 6/7£651

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 25/9

13:35-12:40

1 stop29h 05m

Houston George Bush Intcntl

Wed 8/10

21:00-09:35

1 stop30h 35m

£546

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 15/11

09:15-18:15

1 stop15h 00m

Houston George Bush Intcntl

Fri 21/11

11:55-07:30

1 stop13h 35m

£621

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 15/11

09:00-18:38

1 stop15h 38m

Houston George Bush Intcntl

Fri 21/11

07:20-10:20

2 stops21h 00m

£622

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 17/12

17:15-13:30

1 stop26h 15m

Houston George Bush Intcntl

Wed 7/1

12:30-08:45

2 stops14h 15m

£627

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 21/8

10:40-11:35

1 stop30h 55m

Houston George Bush Intcntl

Wed 3/9

14:39-09:00

1 stop12h 21m

£633

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 18/12

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Fri 2/1

11:32-08:05

2 stops14h 33m

£637

DublinHouston

DUB - HOU

DUBHOU

Dublin

Fri 10/10

13:15-12:12

2 stops28h 57m

Houston Hobby

Sun 19/10

06:00-08:15

2 stops20h 15m

£656

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 21/8

11:00-22:31

1 stop17h 31m

Houston Hobby

Thu 28/8

09:57-08:45

1 stop16h 48m

£771

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 21/8

14:15-23:15

2 stops15h 00m

Houston Hobby

Sun 31/8

13:50-13:15

3 stops17h 25m

£1,000

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 22/7

11:15-23:24

2 stops18h 09m

Houston George Bush Intcntl

Thu 31/7

16:24-18:15

2 stops19h 51m

£1,303

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 16 results

Best time to book a flight from Ireland to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ireland with our price prediction graph.

Estimated return 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 Ireland to Houston

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

Currently, January is the cheapest month in which you can book a flight from Ireland to Houston (average of £765). Flying from Ireland to Houston in July is currently the most expensive (average of £1,114). 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.

What is the cheapest time of day to fly from IE to HOU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Houston as you normally would.

Reviews of airlines servicing Houston

See what other customers who have flown with Delta, KLM, andFinnair from Ireland to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,963 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,368 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,311 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,844 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,910 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Ireland to Houston one-way?
The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £547. However, be on the lookout for offers from Delta and WestJet, as they are both options that can get you from Ireland to Houston for a low price.
Can I find deals for flights from Ireland to Houston that include hotel bookings?
Yes. In addition to deals on Ireland to Houston flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Houston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Houston.
Can I find deals for business class flights from Ireland to Houston?
Yes. Cheapflights offers flight deals from Ireland to Houston 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 Ireland to Houston?
Currently, January is the cheapest month in which you can book a flight from Ireland to Houston (average of £765). Flying from Ireland to Houston in July is currently the most expensive (average of £1,114). 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

Alternative routes for Ireland to Houston

Heathrow to Dallas/Fort Worth flights

Heathrow to Hobby flights

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Heathrow to George Bush Intcntl flights

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Stansted to Austin flights

Aberdeen to Hobby flights

Glasgow Intl to Dallas/Fort Worth flights

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Heathrow to El Paso flights

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Leeds to Hobby flights

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Newcastle upon Tyne to Dallas/Fort Worth flights

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Birmingham to Hobby flights

Stansted to George Bush Intcntl flights

Edinburgh to Dallas/Fort Worth flights

Birmingham to Austin flights

Southampton to Hobby flights

Edinburgh to Austin flights

London City to San Antonio flights

Exeter to Dallas/Fort Worth flights

Complete your trip

Houston car hire

Houston Hobby Airport car hire

Houston George Bush Intcntl Airport car hire

College Station Easterwood Field Airport car hire

Beaumont Jefferson County Airport car hire

Top 7 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£480	Average£580	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£499	Average£644	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£509	Average£580	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£514	Average£633	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
United Airlines	Cheapest£565	Average£657	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest£669	Average£898	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Aer Lingus	Cheapest£707	Average£750	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Houston?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Houston from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Houston?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Houston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to Houston with no change fees?

Yes, we can. To see specific flights from Ireland to Houston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to Houston become cheaper?

Of course! You can now track prices for flights from Ireland to Houston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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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.

Cheap flights from Ireland to Houston from £546

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Houston

Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated 8 July 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to Houston

Cheapest flights from Ireland to HoustonExplore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Explore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Houston that are best for you.

Best time to book a flight from Ireland to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ireland with our price prediction graph.

Cheapflights Insights

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

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

What is the cheapest time of day to fly from IE to HOU?

Find hourly flight availability from Ireland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2025.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated 8 July 2025.

See what other customers who have flown with Delta, KLM, andFinnair from Ireland to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from Ireland to Houston one-way?

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

How can I find direct flights from Ireland to Houston?

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

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

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.

Alternative routes for Ireland to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Ireland to Houston

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Houston?

Why should you use Cheapflights to find cheap flight tickets from Ireland to Houston?

Can Cheapflights find flights from Ireland to Houston with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to Houston become cheaper?

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Travel Smart

Cheapest flights from Ireland to Houston
Explore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.