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$312+ Cheap flights from Houston to Dublin (DUB)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Dublin are usually found in January or November, booked 57 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Houston to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Dublin (DUB). 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 April 24, 2025.

Round-trip from

$658
(Delta)

One-way from

$312
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$881
From Houston to Dublin
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One-way flight from Houston to Dublin
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Highest demand for flights based on searches. 19% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Houston to Dublin

Cheapest flights from Houston to Dublin
Explore the most affordable flight options available from Houston to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/224:45 pmIAH - DUB
1 stop11h 35mUnited Airlines
Fri 8/19:50 amDUB - IAH
1 stop18h 17mUnited Airlines
Deal found 4/23$696
This Air Canada deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:15 pmIAH - DUB
1 stop32h 00mAir Canada
Fri 8/19:50 amDUB - IAH
1 stop18h 17mAir Canada
Deal found 4/23$698
This Mytrip deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/47:05 amIAH - DUB
3 stops21h 10mMultiple Airlines
Thu 6/1211:35 amDUB - IAH
3 stops31h 24mMultiple Airlines
Deal found 4/23$702
This JetBlue deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:51 amIAH - DUB
1 stop15h 09mJetBlue
Thu 5/2210:40 amDUB - IAH
1 stop13h 23mJetBlue
Deal found 4/23$706
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/213:40 pmIAH - DUB
1 stop11h 05mDelta
Tue 8/511:00 amDUB - IAH
1 stop14h 55mDelta
Deal found 4/23$711
This Iberia deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/12:34 pmHOU - DUB
1 stop13h 11mIberia
Fri 9/1212:40 pmDUB - HOU
1 stop17h 07mIberia
Deal found 4/23$711
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amHOU - DUB
2 stops19h 55mDelta
Thu 10/161:15 pmDUB - HOU
2 stops26h 08mDelta
Deal found 4/22$715
This KLM deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:15 pmIAH - DUB
2 stops14h 30mKLM
Sat 11/19:45 amDUB - IAH
1 stop18h 01mKLM
Deal found 4/23$726
This CrystalTravel deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/143:35 pmIAH - DUB
1 stop13h 50mLufthansa
Sun 8/245:40 pmDUB - IAH
1 stop25h 55mLufthansa
Deal found 4/23$727
This Cheapflightsfares deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:25 pmIAH - DUB
1 stop11h 20mIberia
Sun 10/262:05 pmDUB - IAH
1 stop14h 38mIberia
Deal found 4/23$736
This KLM deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:00 pmHOU - DUB
1 stop13h 45mKLM
Thu 10/1611:00 amDUB - HOU
1 stop12h 47mKLM
Deal found 4/22$761
This FlightHub deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:00 pmIAH - DUB
1 stop30h 35mTurkish Airlines
Fri 9/264:55 pmDUB - IAH
1 stop32h 10mTurkish Airlines
Deal found 4/23$763

Cheapflights Fare Finder

Customize your flight search to find flights from Houston to Dublin 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 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Houston to Dublin that are best for you.

Fly from

Houston

Fly to

Dublin

Route

Depart

Return

Price

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sat 8/2

6:00 pm-8:45 am

1 stop32h 45m

Dublin

Mon 8/18

9:10 am-1:35 pm

1 stop34h 25m

$658

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 8/18

7:50 pm-7:10 am

1 stop29h 20m

Dublin

Wed 8/27

9:20 am-1:33 pm

1 stop34h 13m

$678

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 7/23

10:00 am-7:45 am

1 stop15h 45m

Dublin

Tue 8/5

9:20 am-7:36 pm

1 stop16h 16m

$685

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 6/4

7:05 am-10:15 am

3 stops21h 10m

Dublin

Thu 6/12

11:35 am-12:59 pm

3 stops31h 24m

$702

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 10/12

3:30 pm-11:55 am

1 stop14h 25m

Dublin

Mon 10/20

8:55 pm-1:45 pm

1 stop22h 50m

$708

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 8/14

11:50 am-8:45 am

1 stop14h 55m

Dublin

Sun 8/24

5:20 pm-1:15 pm

1 stop25h 55m

$728

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 10/20

4:25 pm-9:45 am

1 stop11h 20m

Dublin

Sun 10/26

2:05 pm-11:43 pm

1 stop14h 38m

$736

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 5/7

11:51 am-9:00 am

1 stop15h 09m

Dublin

Thu 5/22

10:40 am-6:03 pm

1 stop13h 23m

$756

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/16

9:00 pm-9:35 am

1 stop30h 35m

Dublin

Fri 9/26

4:55 pm-7:05 pm

1 stop32h 10m

$763

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 8/14

3:35 pm-4:55 pm

1 stop19h 20m

Dublin

Sun 8/24

5:45 pm-5:16 pm

2 stops29h 31m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 32 results
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Best time to book a flight from Houston to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Houston with our price prediction graph.
Estimated round-trip 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 Houston to Dublin

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Dublin. Price data was last updated on April 18, 2025.

Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Houston to Dublin (average of $509). Flying from Houston to Dublin in June is currently the most expensive (average of $1,006). 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 HOU to DUB?

Find hourly flight availability from Houston to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

It’s typically best to fly out from Houston to Dublin in the morning. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Houston to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Houston to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Dublin flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated April 24, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines from Houston to Dublin to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Houston to Dublin. 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 into for flights to Dublin from Houston?

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Houston to Dublin. 9 airlines have flights to Dublin from Houston on a regular basis. Booking flights from Houston to Dublin should not be difficult; the airport handles an average of 0 inbound flights from Houston per day.

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

    Cheapflights users have booked flights from Houston to Dublin round-trip from $658. Other airlines that can offer you cheap pricing are United Airlines, from $678, and Air Canada, from $685. Delta is currently priced 27% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $430. British Airways flights start at $487 while deals on United Airlines start at $533 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Houston to Dublin (average of $509). Flying from Houston to Dublin in June is currently the most expensive (average of $1,006). 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

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Alternative routes for Houston to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Houston to Dublin

Discover the top 9 airlines that operate flights from Houston to Dublin. 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 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$518Average$989FlexibilityNo cancel feeOn-time70%
IberiaCheapest$541Average$1,005FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$552Average$712FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$568Average$938FlexibilityNo cancel feeOn-time69%
KLMCheapest$590Average$1,039FlexibilityNo cancel feeOn-time75%
DeltaCheapest$612Average$1,020FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$655Average$960FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$668Average$1,077FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$783Average$1,059FlexibilityNo cancel feeOn-timeN/A

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