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

WestJet, British Airways, and KLM 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 45% of people opting to fly with this airline when travelling to Houston. Keep in mind that there are 5 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 5 as of December 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.

£351 Cheap Flights from Ireland to Houston in 2025/26

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Find the cheapest flights from Ireland to Houston

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Recent return flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

10:40 - 19:10

DUB

IAH

38h 30m1 stop

21:05 - 09:40

IAH

DUB

30h 35m1 stop

£555Turkish Airlines

fre, 23 jan - mån, 26 jan

10:40 - 19:10

DUB

IAH

38h 30m1 stop

21:05 - 09:40

IAH

DUB

30h 35m1 stop

£567Turkish Airlines

tors, 5 feb - mån, 9 feb

10:40 - 19:10

DUB

IAH

38h 30m1 stop

21:05 - 15:30

IAH

DUB

36h 25m1 stop

£567Turkish Airlines

tors, 5 feb - mån, 9 feb

11:35 - 08:39

DUB

IAH

27h 04m1 stop

12:10 - 10:40

IAH

DUB

16h 30m1 stop

£568United Airlines

lör, 16 maj - sön, 17 maj

07:20 - 19:10

DUB

IAH

41h 50m1 stop

21:05 - 15:30

IAH

DUB

36h 25m1 stop

£575Turkish Airlines

fre, 6 feb - mån, 9 feb

10:40 - 19:10

DUB

IAH

38h 30m1 stop

22:05 - 09:40

IAH

DUB

30h 35m1 stop

£584Turkish Airlines

lör, 7 mar - fre, 20 mar

16:50 - 13:10

DUB

IAH

26h 20m1 stop

22:05 - 22:10

IAH

DUB

19h 05m1 stop

£584Turkish Airlines

lör, 7 mar - fre, 20 mar

12:30 - 23:56

DUB

IAH

41h 26m2 stops

12:40 - 11:45

IAH

DUB

41h 05m2 stops

£601Scandinavian Airlines

fre, 23 jan - mån, 26 jan

10:45 - 22:49

DUB

IAH

18h 04m2 stops

21:45 - 17:05

IAH

DUB

13h 20m1 stop

£604British Airways

mån, 26 jan - mån, 9 feb

09:45 - 22:28

DUB

HOU

18h 43m1 stop

11:44 - 07:45

HOU

DUB

15h 01m1 stop

£641KLM

lör, 7 mar - fre, 20 mar

KLM flights from Ireland to Houston

Our best KLM deals on Ireland to Houston flight tickets

KLM

7 Mar

DUB09:45Dublin

18h 43m

1 stop

HOU22:28Houston Hobby

20 Mar

HOU11:44Houston Hobby

15h 01m

1 stop

DUB07:45Dublin

£641

Find similar

KLM

7 May

DUB11:00Dublin

16h 38m

1 stop

HOU21:38Houston Hobby

12 May

HOU13:00Houston Hobby

13h 45m

1 stop

DUB08:45Dublin

£665

Find similar

KLM

7 Jan

DUB17:15Dublin

26h 15m

1 stop

IAH13:30Houston George Bush Intcntl

15 Jan

IAH16:25Houston George Bush Intcntl

14h 15m

2 stops

DUB12:40Dublin

£702

Find similar

Delta flights from Ireland to Houston

Our best Delta deals on Ireland to Houston flight tickets

Delta

23 Jan

DUB05:55Dublin

13h 35m

1 stop

IAH13:30Houston George Bush Intcntl

26 Jan

IAH12:47Houston George Bush Intcntl

20h 58m

2 stops

DUB15:45Dublin

£606

Find similar

Delta

23 Jan

DUB08:50Dublin

31h 31m

2 stops

HOU10:21Houston Hobby

26 Jan

HOU17:04Houston Hobby

16h 41m

2 stops

DUB15:45Dublin

£609

Find similar

Delta

26 Jan

DUB13:25Dublin

26h 56m

2 stops

HOU10:21Houston Hobby

9 Feb

HOU05:45Houston Hobby

28h 00m

2 stops

DUB15:45Dublin

£610

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

fre 23/1

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

mån 26/1

21:05-09:40

1 stop30h 35m

£555

DublinHouston

DUB - IAH

DUBIAH

Dublin

tors 5/2

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

mån 9/2

21:05-09:40

1 stop30h 35m

£567

DublinHouston

DUB - IAH

DUBIAH

Dublin

tors 5/2

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

mån 9/2

21:05-15:30

1 stop36h 25m

£567

DublinHouston

DUB - IAH

DUBIAH

Dublin

lör 16/5

11:35-08:39

1 stop27h 04m

Houston George Bush Intcntl

sön 17/5

12:10-10:40

1 stop16h 30m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

fre 6/2

07:20-19:10

1 stop41h 50m

Houston George Bush Intcntl

mån 9/2

21:05-15:30

1 stop36h 25m

£575

DublinHouston

DUB - IAH

DUBIAH

Dublin

lör 7/3

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

fre 20/3

22:05-09:40

1 stop30h 35m

£584

DublinHouston

DUB - IAH

DUBIAH

Dublin

lör 7/3

16:50-13:10

1 stop26h 20m

Houston George Bush Intcntl

fre 20/3

22:05-22:10

1 stop19h 05m

£584

DublinHouston

DUB - IAH

DUBIAH

Dublin

fre 23/1

12:30-23:56

2 stops41h 26m

Houston George Bush Intcntl

mån 26/1

12:40-11:45

2 stops41h 05m

£601

DublinHouston

DUB - IAH

DUBIAH

Dublin

mån 26/1

10:45-22:49

2 stops18h 04m

Houston George Bush Intcntl

mån 9/2

21:45-17:05

1 stop13h 20m

£604

DublinHouston

DUB - HOU

DUBHOU

Dublin

lör 7/3

09:45-22:28

1 stop18h 43m

Houston Hobby

fre 20/3

11:44-07:45

1 stop15h 01m

£641

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, September 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 £556. If you are unable to visit Houston during the month of September, then departing from Ireland during the month May is also very affordable. Most momondo users find prices during this month for around £580.

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 £599. 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 £680.

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 £538. In contrast, the most expensive time of day to depart to Houston is at midday when prices are around £625.

Cheap Ireland to Houston flight deals and tips

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

Fastest flight time	17h 48m
Direct flights	None

The fastest flight from Ireland to Houston takes 17h 48m

There are no direct flights from Ireland to Houston. There are no popular flight routes from Ireland to Houston.

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 5 as of December 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 £484	Free Cancellation	Rating 6.7 7,614 reviews	Search British Airways flights
KLM	PriceFrom £513	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
Iberia	PriceFrom £518	Free Cancellation	Rating 7.0 3,059 reviews	Search Iberia flights
United Airlines	PriceFrom £591	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
American Airlines	PriceFrom £719	Free Cancellation	Rating 7.2 11,069 reviews	Search American Airlines 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.