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Cheap flights from Dublin to Houston from £451

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

£509

One-way from

£451

Popular in

April

Cheapest in

January

Average price

£607
9/1-11/1
  • 9/1-11/1
  • 4 total stops
  • 41h 55m total
  • Dublin to Houston
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19/11
  • 19/11
  • 3 total stops
  • 54h 37m total
  • Dublin to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Dublin to Houston

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Houston
Explore the most affordable flight options available from Dublin to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sun 7/1208:25DUB - IAH
2 stops34h 19mMultiple Airlines
Mon 2/319:09IAH - DUB
1 stop33h 11mMultiple Airlines
Deal found 5/11£542
Sun 7/1208:25DUB - IAH
2 stops34h 19mMultiple Airlines
Sun 1/311:49IAH - DUB
1 stop16h 31mMultiple Airlines
Deal found 5/11£542
Sun 7/1208:25DUB - IAH
2 stops34h 19mMultiple Airlines
Sat 28/207:05IAH - DUB
1 stop15h 15mMultiple Airlines
Deal found 5/11£583
Sat 6/1204:15DUB - IAH
2 stops25h 44mMultiple Airlines
Tue 3/311:49IAH - DUB
1 stop16h 31mMultiple Airlines
Deal found 5/11£616
Mon 8/1205:10DUB - IAH
1 stop15h 25mLufthansa
Wed 4/311:55IAH - DUB
1 stop14h 15mLufthansa
Deal found 5/11£629
Mon 8/1215:10DUB - IAH
1 stop28h 55mBritish Airways
Sun 1/315:50IAH - DUB
1 stop19h 00mBritish Airways
Deal found 5/11£631
Wed 24/1215:10DUB - IAH
1 stop34h 50mAmerican Airlines
Tue 30/1215:50IAH - DUB
1 stop11h 45mAmerican Airlines
Deal found 7/11£632
Tue 23/1220:40DUB - IAH
1 stop23h 25mBritish Airways
Mon 5/121:45IAH - DUB
1 stop13h 20mBritish Airways
Deal found 7/11£632
Wed 24/1215:10DUB - IAH
2 stops30h 30mAmerican Airlines
Thu 1/121:50IAH - DUB
1 stop13h 35mAmerican Airlines
Deal found 7/11£635
Mon 8/1205:55DUB - IAH
1 stop13h 35mDelta
Wed 4/312:15IAH - DUB
2 stops21h 30mDelta
Deal found 5/11£636
Tue 23/1213:00DUB - IAH
1 stop16h 50mAmerican Airlines
Wed 31/1215:50IAH - DUB
1 stop11h 50mAmerican Airlines
Deal found 7/11£638
Mon 17/1113:25DUB - HOU
2 stops26h 20mDelta
Mon 1/1218:48HOU - DUB
2 stops14h 57mDelta
Deal found 5/11£640

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to Houston 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 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Dublin to Houston that are best for you.

Fly from

Dublin

Fly to

Houston

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 9/1

07:05-08:57

3 stops31h 52m

Houston George Bush Intcntl

Sun 11/1

12:16-16:15

2 stops21h 59m

£529

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 7/12

08:25-12:44

2 stops34h 19m

Houston George Bush Intcntl

Mon 2/3

19:09-10:20

1 stop33h 11m

£542

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 7/12

08:25-12:44

2 stops34h 19m

Houston George Bush Intcntl

Tue 3/3

11:49-10:20

1 stop16h 31m

£542

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/3

06:25-14:10

1 stop36h 45m

Houston George Bush Intcntl

Mon 16/3

22:05-09:40

1 stop30h 35m

£574

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

16:30-20:10

1 stop32h 40m

Houston George Bush Intcntl

Wed 18/3

22:05-22:10

1 stop19h 05m

£574

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Tue 17/3

22:05-22:10

1 stop19h 05m

£574

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 20/2

07:20-19:10

1 stop41h 50m

Houston George Bush Intcntl

Tue 24/2

21:05-15:30

1 stop36h 25m

£580

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 8/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Tue 17/3

22:05-22:10

1 stop19h 05m

£582

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 11/3

16:50-20:10

1 stop32h 20m

Houston George Bush Intcntl

Sun 22/3

22:05-22:10

1 stop19h 05m

£582

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 8/3

16:30-20:10

1 stop32h 40m

Houston George Bush Intcntl

Mon 16/3

22:05-09:40

1 stop30h 35m

£582

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 27 results
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2
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Best time to book a flight from Dublin to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Dublin 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 Dublin to Houston

How far ahead should I book a flight from Dublin to Houston?

Use this chart to determine the optimal time to book a return flight from Dublin to Houston. Price data was last updated on 31 October 2025.

The price you pay for your flight from Dublin to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Dublin to Houston (average of £448). Flying from Dublin to Houston in June is currently the most expensive (average of £614). 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 DUB to HOU?

Find hourly flight availability from Dublin 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 7 November 2025.

It’s typically best to fly out from Dublin to Houston in the evening. Doing so could potentially save you 18% on the flight price compared to flying at midday, which is usually more expensive.

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 7 November 2025.
Get a feel of what it's like to fly with KLM, United Airlines, andAmerican Airlines from Dublin to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,408 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,408 reviews
KLM
7.7
Good
1,408 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,007 reviews
KLM
7.7
Good
1,408 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,041 reviews
KLM
7.7
Good
1,408 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,500 reviews
KLM
7.7
Good
1,408 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Food

7.3

Comfort

7.7

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

  • What airport do you fly from for flights from Dublin to Houston?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Houston from Dublin. Booking flights from Dublin (DUB) to Houston should be relatively easy as there are 0 daily outbound flights to Houston from 4 different airlines.

  • How long is the flight from Dublin to Houston?

    For as low as £616, Turkish Airlines can have you in Houston from Dublin in 32h 47m. The distance from Dublin to Houston is about 4560 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Dublin to Houston round-trip?

    Currently priced at £499, British Airways will fly you from Dublin to Houston and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and United Airlines - these airlines can fly you to your destination from £520 and £587, respectively. British Airways is 24% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Dublin to Houston?

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Houston?

    Currently, May is the cheapest month in which you can book a flight from Dublin to Houston (average of £448). Flying from Dublin to Houston in June is currently the most expensive (average of £614). 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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Alternative routes for Dublin to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Dallas/Fort Worth flights
Dublin to Hobby flights
Dublin to Austin flights
Dublin to George Bush Intcntl flights
Dublin to San Antonio flights

Top 4 airlines flying from Dublin to Houston

Discover the top 4 airlines that operate flights from Dublin to Houston. 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 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£499Average£597FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£520Average£583FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£587Average£684FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£817Average£934FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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 Dublin to Houston?

Deals for Dublin to Houston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Dublin 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 Dublin to Houston with no change fees?

Yes, we can. To see specific flights from Dublin 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 Dublin to Houston become cheaper?

Of course! You can now track prices for flights from Dublin 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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