What is the cheapest airline that flies from Ireland to Houston?

WestJet, British Airways, and Delta are the most popular carriers operating from Ireland to Houston

Which airlines fly to Houston?

United Airlines, British Airways and KLM are the top three most popular airlines that fly to Houston from Ireland according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Houston. Keep in mind that there are 6 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ireland to Houston?

Prices for flights from Ireland to Houston are refreshed on a daily basis.

How many operators does momondo search for flights from Ireland to Houston?

The number of operators available for flights from Ireland to Houston is 6 as of August 2025.

How old do you have to be to fly from Ireland to Houston?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Houston.

What documentation or ID do you need to fly to Houston?

The required travel and health documents for your Houston 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 Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£419 Cheap Flights from Ireland to Houston in 2025

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Find the cheapest flights from Ireland to Houston

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to Houston

19:05 - 00:17DUB-IAH

35h 12m3 stops

07:21 - 10:45IAH-DUB

22h 24m2 stops

£419

Find Deal

Wed, 22 Oct - Mon, 27 Oct

19:05 - 00:17DUB-IAH

35h 12m3 stops

05:25 - 10:45IAH-DUB

24h 20m3 stops

£439

Find Deal

Wed, 22 Oct - Mon, 27 Oct

21:05 - 23:45DUB-IAH

32h 40m3 stops

13:17 - 08:40IAH-DUB

14h 23m1 stop

£512

Find Deal

Wed, 22 Oct - Mon, 27 Oct

13:35 - 12:40DUB-IAH

29h 05m1 stop

21:00 - 09:35IAH-DUB

30h 35m1 stop

£549Turkish Airlines

Find Deal

Thu, 25 Sep - Wed, 8 Oct

13:35 - 19:05DUB-IAH

35h 30m1 stop

21:00 - 09:35IAH-DUB

30h 35m1 stop

£551Turkish Airlines

Find Deal

Wed, 15 Oct - Wed, 22 Oct

13:25 - 13:30DUB-IAH

30h 05m1 stop

12:30 - 08:45IAH-DUB

14h 15m2 stops

£631KLM

Find Deal

Wed, 17 Dec - Wed, 7 Jan

13:25 - 13:30DUB-IAH

30h 05m1 stop

12:30 - 08:45IAH-DUB

14h 15m2 stops

£634KLM

Find Deal

Wed, 17 Dec - Wed, 7 Jan

05:55 - 13:30DUB-IAH

13h 35m1 stop

12:55 - 15:45IAH-DUB

20h 50m2 stops

£638Delta

Find Deal

Sat, 22 Nov - Wed, 3 Dec

05:55 - 13:30DUB-IAH

13h 35m1 stop

12:55 - 15:45IAH-DUB

20h 50m2 stops

£640Delta

Find Deal

Sat, 22 Nov - Wed, 3 Dec

09:20 - 19:36DUB-IAH

16h 16m1 stop

15:05 - 10:20IAH-DUB

13h 15m1 stop

£679United Airlines

Find Deal

Thu, 28 Aug - Wed, 10 Sep

Delta flights from Ireland to Houston

Our best Delta deals on Ireland to Houston flight tickets

Delta

22 Nov

DUB05:55Dublin

13h 35m

1 stop

IAH13:30Houston George Bush Intcntl

3 Dec

IAH12:55Houston George Bush Intcntl

20h 50m

2 stops

DUB15:45Dublin

£638

Find similar

Delta

22 Nov

DUB05:55Dublin

13h 35m

1 stop

IAH13:30Houston George Bush Intcntl

3 Dec

IAH12:55Houston George Bush Intcntl

20h 50m

2 stops

DUB15:45Dublin

£640

Find similar

Delta

22 Nov

DUB08:50Dublin

21h 06m

2 stops

IAH23:56Houston George Bush Intcntl

3 Dec

IAH12:55Houston George Bush Intcntl

20h 50m

2 stops

DUB15:45Dublin

£642

Find similar

KLM flights from Ireland to Houston

Our best KLM deals on Ireland to Houston flight tickets

KLM

17 Dec

DUB13:25Dublin

30h 05m

1 stop

IAH13:30Houston George Bush Intcntl

7 Jan

IAH12:30Houston George Bush Intcntl

14h 15m

2 stops

DUB08:45Dublin

£631

Find similar

KLM

17 Dec

DUB13:25Dublin

30h 05m

1 stop

IAH13:30Houston George Bush Intcntl

7 Jan

IAH12:30Houston George Bush Intcntl

14h 15m

2 stops

DUB08:45Dublin

£634

Find similar

KLM

17 Dec

DUB13:25Dublin

30h 05m

1 stop

IAH13:30Houston George Bush Intcntl

7 Jan

IAH12:30Houston George Bush Intcntl

14h 15m

2 stops

DUB08:45Dublin

£639

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 22/10

19:05-00:17

3 stops35h 12m

Houston George Bush Intcntl

Mon 27/10

07:21-10:45

2 stops22h 24m

£419

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 22/10

19:05-00:17

3 stops35h 12m

Houston George Bush Intcntl

Mon 27/10

05:25-10:45

3 stops24h 20m

£439

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 22/10

21:05-23:45

3 stops32h 40m

Houston George Bush Intcntl

Mon 27/10

13:17-08:40

1 stop14h 23m

£512

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

£549

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 15/10

13:35-19:05

1 stop35h 30m

Houston George Bush Intcntl

Wed 22/10

21:00-09:35

1 stop30h 35m

£551

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 17/12

13:25-13:30

1 stop30h 05m

Houston George Bush Intcntl

Wed 7/1

12:30-08:45

2 stops14h 15m

£631

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 17/12

13:25-13:30

1 stop30h 05m

Houston George Bush Intcntl

Wed 7/1

12:30-08:45

2 stops14h 15m

£634

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Wed 3/12

12:55-15:45

2 stops20h 50m

£638

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Wed 3/12

12:55-15:45

2 stops20h 50m

£640

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 28/8

09:20-19:36

1 stop16h 16m

Houston George Bush Intcntl

Wed 10/9

15:05-10:20

1 stop13h 15m

£679

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to Houston

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

Prices

Airlines

What is the cheapest month to fly to Houston?

In general, January is the cheapest month to fly from Ireland to Houston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £542. If you are unable to visit Houston during the month of January, then departing from Ireland during the month September is also very affordable. Most momondo users find prices during this month for around £567.

What is the cheapest day to depart on your flight to Houston?

The cheapest day to depart from Ireland to Houston is on a Wednesday. Travellers who choose to depart for Houston on a Wednesday will often find tickets for as low as £611. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Tuesday is £693.

What is the cheapest time of day to depart on your flight to Houston?

The cheapest time of day to fly to Houston is in the afternoon when flights can be purchased for as low as £549. In contrast, the most expensive time of day to depart to Houston is at midday when prices are around £637.

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

You are more likely to see cheaper flights to Houston from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around £645 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Ireland for as low as £531 on momondo.

Cheap Ireland to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Houston

Best price found	£493
Fastest flight time	12h 39m
Direct flights	None
Airports in Houston	2 airports

The best one-way flight to Houston from Ireland in the past 72 hours is £493. The best return flight deal from Ireland to Houston found on momondo in the last 72 hours is £419.

The fastest flight from Ireland to Houston takes 12h 39m

There are no direct flights from Ireland to Houston. Popular non-direct routes for this connection are Dublin Airport - Houston Hobby Airport and Dublin Airport - Houston George Bush Intcntl Airport.

There are 2 airports near Houston: Houston George Bush Intcntl (IAH), Houston Hobby (HOU)

Search flight deals

When did momondo last update prices for flights from Ireland to Houston?
Prices for flights from Ireland to Houston are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Houston?
The number of operators available for flights from Ireland to Houston is 6 as of August 2025.
How old do you have to be to fly from Ireland to Houston?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Houston.
What documentation or ID do you need to fly to Houston?
The required travel and health documents for your Houston 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 Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Houston

Compare and see reviews for airlines that fly from Ireland to Houston with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £494	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Air France	PriceFrom £513	Free Cancellation	Rating 7.5 1,465 reviews	Search Air France flights
KLM	PriceFrom £524	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights
United Airlines	PriceFrom £581	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
American Airlines	PriceFrom £688	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Aer Lingus	PriceFrom £727	Free Cancellation	Rating 7.1 1,192 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Houston?

It is quick and easy to find Ireland to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

Can I find flights from Ireland to Houston with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ireland to Houston flights to just show those with flexible booking policies.

How can momondo help me find flights from Ireland to Houston?

momondo provides multiple filters to help you find the best flight to Houston from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ireland to Houston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Houston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.