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 £540. However, be on the lookout for offers from Delta and United Airlines, 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 £554 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £805.

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 £616 for the month, but tickets can be as low as £495. 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.

£702+ Flights from Ireland to Houston

Cheap flight deals from Ireland to Houston

Round-trip from	£538
Popular in	April
Cheapest in	January
Average price	£677

Turkish Airlines
25/9-8/10
2 total stops
66h 00m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£19 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 2 July 2025.

Thu 25/913:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 8/1021:00IAH - DUB

1 stop36h 55mTurkish Airlines

Deal found 30/6£538

Mon 25/810:40DUB - IAH

1 stop30h 55mJetBlue

Mon 8/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 30/6£539

Fri 8/820:15DUB - IAH

2 stops30h 19mMultiple Airlines

Sat 16/807:35IAH - DUB

2 stops28h 50mMultiple Airlines

Deal found 30/6£552

Fri 17/1010:55DUB - IAH

1 stop14h 20mBritish Airways

Wed 29/1016:55IAH - DUB

1 stop14h 15mBritish Airways

Deal found 30/6£573

Mon 22/1205:55DUB - IAH

1 stop13h 35mDelta

Mon 5/112:55IAH - DUB

2 stops20h 45mDelta

Deal found 30/6£574

Sat 22/1109:00DUB - IAH

1 stop18h 44mUnited Airlines

Wed 3/1209:35IAH - DUB

2 stops15h 55mUnited Airlines

Deal found 30/6£576

Mon 22/1208:50DUB - IAH

1 stop34h 40mKLM

Mon 5/107:20IAH - DUB

1 stop18h 25mKLM

Deal found 1/7£620

Thu 6/1108:50DUB - HOU

2 stops30h 33mDelta

Mon 17/1110:05HOU - DUB

2 stops16h 00mDelta

Deal found 1/7£621

Thu 6/1105:55DUB - HOU

2 stops16h 32mMultiple Airlines

Mon 17/1110:05HOU - DUB

1 stop15h 40mMultiple Airlines

Deal found 1/7£623

Fri 8/805:55DUB - IAH

1 stop17h 55mLufthansa

Sat 16/818:20IAH - DUB

1 stop21h 55mLufthansa

Deal found 30/6£661

Tue 8/711:00DUB - HOU

1 stop15h 40mKLM

Fri 18/712:56HOU - DUB

1 stop13h 49mKLM

Deal found 30/6£754

Fri 15/812:40DUB - HOU

1 stop13h 19mIberia

Fri 22/814:30HOU - DUB

1 stop13h 15mIberia

Deal found 1/7£847

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 2 July 2025.

Thu 25/913:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 8/1021:00IAH - DUB

1 stop36h 55mTurkish Airlines

Deal found 30/6£538

Mon 25/810:40DUB - IAH

1 stop30h 55mJetBlue

Mon 8/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 30/6£539

Fri 8/820:15DUB - IAH

2 stops30h 19mMultiple Airlines

Sat 16/807:35IAH - DUB

2 stops28h 50mMultiple Airlines

Deal found 30/6£552

Fri 17/1010:55DUB - IAH

1 stop14h 20mBritish Airways

Wed 29/1016:55IAH - DUB

1 stop14h 15mBritish Airways

Deal found 30/6£573

Mon 22/1205:55DUB - IAH

1 stop13h 35mDelta

Mon 5/112:55IAH - DUB

2 stops20h 45mDelta

Deal found 30/6£574

Sat 22/1109:00DUB - IAH

1 stop18h 44mUnited Airlines

Wed 3/1209:35IAH - DUB

2 stops15h 55mUnited Airlines

Deal found 30/6£576

Mon 22/1208:50DUB - IAH

1 stop34h 40mKLM

Mon 5/107:20IAH - DUB

1 stop18h 25mKLM

Deal found 1/7£620

Fri 8/805:55DUB - IAH

1 stop17h 55mLufthansa

Sat 16/818:20IAH - DUB

1 stop21h 55mLufthansa

Deal found 30/6£661

Fri 15/812:40DUB - HOU

1 stop13h 19mIberia

Fri 22/814:30HOU - DUB

1 stop13h 15mIberia

Deal found 1/7£847

Wed 5/1104:25DUB - IAH

2 stops36h 55mTAP AIR PORTUGAL

Mon 17/1107:20IAH - DUB

2 stops26h 50mTAP AIR PORTUGAL

Deal found 1/7£1,110

Thu 31/720:15DUB - IAH

2 stops30h 43mScandinavian Airlines

Mon 18/815:58IAH - DUB

2 stops37h 52mScandinavian Airlines

Deal found 29/6£1,163

Thu 6/1108:50DUB - HOU

2 stops30h 33mDelta

Mon 17/1110:05HOU - DUB

2 stops16h 00mDelta

Deal found 1/7£621

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 2 July 2025 and is based on user searches.

Mon 7/705:55DUB - IAH

2 stops21h 53mDelta

Mon 14/713:07IAH - DUB

2 stops19h 53mDelta

Deal found 30/6£736

Mon 7/710:00DUB - HOU

2 stops18h 21mDelta

Mon 14/710:02HOU - DUB

2 stops16h 13mDelta

Deal found 30/6£743

Tue 8/711:00DUB - HOU

1 stop15h 40mKLM

Fri 18/712:56HOU - DUB

1 stop13h 49mKLM

Deal found 30/6£754

Wed 9/712:15DUB - HOU

2 stops17h 40mMultiple Airlines

Sat 12/707:35HOU - DUB

3 stops21h 30mMultiple Airlines

Deal found 1/7£1,256

Fri 11/709:20DUB - IAH

1 stop15h 25mUnited Airlines

Wed 16/712:11IAH - DUB

2 stops13h 34mUnited Airlines

Deal found 30/6£697

Thu 31/720:15DUB - IAH

2 stops30h 43mScandinavian Airlines

Mon 18/815:58IAH - DUB

2 stops37h 52mScandinavian Airlines

Deal found 29/6£1,163

Fri 8/820:15DUB - IAH

2 stops30h 19mMultiple Airlines

Sat 16/807:35IAH - DUB

2 stops28h 50mMultiple Airlines

Deal found 30/6£552

Fri 8/805:55DUB - IAH

1 stop17h 55mLufthansa

Sat 16/818:20IAH - DUB

1 stop21h 55mLufthansa

Deal found 30/6£661

Fri 8/812:15DUB - HOU

2 stops18h 00mMultiple Airlines

Tue 26/811:25HOU - DUB

3 stops17h 40mMultiple Airlines

Deal found 30/6£1,008

Thu 14/809:20DUB - IAH

1 stop16h 16mUnited Airlines

Thu 21/820:05IAH - DUB

1 stop29h 40mUnited Airlines

Deal found 30/6£654

Fri 15/812:40DUB - HOU

1 stop13h 19mIberia

Fri 22/814:30HOU - DUB

1 stop13h 15mIberia

Deal found 1/7£847

Wed 20/817:00DUB - IAH

1 stop32h 05mTurkish Airlines

Tue 26/821:00IAH - DUB

1 stop33h 35mTurkish Airlines

Deal found 1/7£731

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 2 July 2025.

Wed 17/1213:00DUB - IAH

2 stops16h 18mBritish Airways

Deal found 1/7£540

Wed 17/1208:40DUB - HOU

2 stops17h 24mBritish Airways

Deal found 1/7£540

Wed 17/1209:45DUB - HOU

1 stop12h 42mDelta

Deal found 30/6£592

Wed 17/1209:00DUB - IAH

3 stops20h 57mUnited Airlines

Deal found 30/6£957

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

21:00-15:55

1 stop36h 55m

£538

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 25/8

10:40-11:35

1 stop30h 55m

Houston George Bush Intcntl

Mon 8/9

14:39-09:00

1 stop12h 21m

£539

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 8/8

20:15-20:34

2 stops30h 19m

Houston George Bush Intcntl

Sat 16/8

07:35-18:25

2 stops28h 50m

£552

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 17/10

10:55-19:15

1 stop14h 20m

Houston George Bush Intcntl

Wed 29/10

16:55-12:10

1 stop14h 15m

£573

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 22/12

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Mon 5/1

12:55-15:40

2 stops20h 45m

£574

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

09:00-21:44

1 stop18h 44m

Houston George Bush Intcntl

Wed 3/12

09:35-07:30

2 stops15h 55m

£576

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 22/12

08:50-13:30

1 stop34h 40m

Houston George Bush Intcntl

Mon 5/1

07:20-07:45

1 stop18h 25m

£620

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 6/11

08:50-09:23

2 stops30h 33m

Houston Hobby

Mon 17/11

10:05-08:05

2 stops16h 00m

£621

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 6/11

05:55-16:27

2 stops16h 32m

Houston Hobby

Mon 17/11

10:05-07:45

1 stop15h 40m

£623

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 8/8

05:55-17:50

1 stop17h 55m

Houston George Bush Intcntl

Sat 16/8

18:20-22:15

1 stop21h 55m

£661

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 18 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, andUnited Airlines 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

7,975 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

7,975 reviews

Delta

8.0

Very Good

7,975 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

1,366 reviews

Delta

8.0

Very Good

7,975 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

8,858 reviews

Delta

8.0

Very Good

7,975 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

2,919 reviews

Delta

8.0

Very Good

7,975 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!

Turkish Airlines

7.3

Good

3,886 reviews

Delta

8.0

Very Good

7,975 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 £540. However, be on the lookout for offers from Delta and United Airlines, 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

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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£475	Average£580	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£494	Average£638	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£504	Average£575	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Iberia	Cheapest£509	Average£627	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
United Airlines	Cheapest£559	Average£651	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest£663	Average£890	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Aer Lingus	Cheapest£700	Average£743	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 £538

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 2 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 2 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 2 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 2 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 2 July 2025.

See what other customers who have flown with Delta, KLM, andUnited Airlines 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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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 2 July 2025.