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$452+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Round-trip from

$600
(Mytrip)

One-way from

$452
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$751
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. 22% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amIAH - DUB
2 stops21h 05mUnited Airlines
Wed 11/269:00 amDUB - IAH
2 stops32h 49mUnited Airlines
Deal found 3/30$598
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Mon 5/55:25 amIAH - DUB
3 stops31h 15mMultiple Airlines
Sun 5/1112:50 pmDUB - IAH
1 stop15h 52mMultiple Airlines
Deal found 3/30$600
This Air Canada deal was found by Cheapflights users on 3/30. 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.
Tue 11/47:20 amIAH - DUB
1 stop17h 50mAir Canada
Fri 11/149:00 amDUB - IAH
2 stops43h 33mAir Canada
Deal found 3/30$608
This Finnair deal was found by Cheapflights users on 3/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:25 pmHOU - DUB
1 stop12h 50mMultiple Airlines
Wed 11/262:05 pmDUB - HOU
1 stop15h 40mMultiple Airlines
Deal found 3/30$611
This JetBlue deal was found by Cheapflights users on 3/31. 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.
Thu 5/13:20 pmIAH - DUB
1 stop11h 40mJetBlue
Wed 5/1410:40 amDUB - IAH
1 stop30h 26mJetBlue
Deal found 3/31$620
This Delta deal was found by Cheapflights users on 3/30. 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 11/191:00 pmHOU - DUB
2 stops13h 45mDelta
Wed 11/269:45 amDUB - HOU
1 stop14h 02mDelta
Deal found 3/30$625
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Fri 11/282:29 pmIAH - DUB
1 stop10h 46mIberia
Fri 12/52:05 pmDUB - IAH
1 stop13h 51mIberia
Deal found 3/31$644
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Tue 10/72:35 pmHOU - DUB
1 stop13h 10mIberia
Wed 10/1512:40 pmDUB - HOU
1 stop17h 04mIberia
Deal found 3/30$681
This KLM deal was found by Cheapflights users on 3/31. 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.
Tue 10/213:40 pmIAH - DUB
1 stop11h 05mKLM
Mon 10/275:25 pmDUB - IAH
1 stop26h 05mKLM
Deal found 3/31$707
This Delta deal was found by Cheapflights users on 3/30. 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.
Sat 10/2510:45 amIAH - DUB
1 stop16h 00mDelta
Sat 11/15:55 amDUB - IAH
2 stops23h 01mDelta
Deal found 3/30$732
This StudentUniverse deal was found by Cheapflights users on 3/31. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:41 pmIAH - DUB
2 stops21h 24mBritish Airways
Mon 10/278:30 pmDUB - IAH
1 stop23h 40mBritish Airways
Deal found 3/31$747
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 pmIAH - DUB
1 stop30h 35mTurkish Airlines
Tue 10/144:55 pmDUB - IAH
1 stop25h 45mTurkish Airlines
Deal found 3/31$760

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 March 31, 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

Mon 5/5

5:25 am-6:40 pm

3 stops31h 15m

Dublin

Sun 5/11

12:50 pm-10:42 pm

1 stop15h 52m

$600

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 5/1

3:20 pm-9:00 am

1 stop11h 40m

Dublin

Wed 5/14

10:40 am-11:06 am

1 stop30h 26m

$620

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 4/24

9:00 pm-9:35 am

1 stop30h 35m

Dublin

Tue 5/13

4:55 pm-12:40 pm

1 stop25h 45m

$760

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 4/15

9:33 pm-9:45 am

1 stop30h 12m

Dublin

Tue 4/29

9:50 am-11:04 am

1 stop31h 14m

$770

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Wed 5/7

2:28 pm-9:45 am

1 stop13h 17m

Dublin

Thu 5/22

12:40 pm-7:44 pm

1 stop13h 04m

$771

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 4/15

12:10 pm-8:15 am

1 stop14h 05m

Dublin

Tue 4/29

9:50 am-10:01 pm

2 stops18h 11m

$782

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 5/28

10:45 am-7:45 am

1 stop15h 00m

Dublin

Wed 6/4

11:00 am-8:20 pm

1 stop15h 20m

$794

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 5/28

12:18 pm-5:15 pm

2 stops22h 57m

Dublin

Wed 6/4

6:00 pm-5:46 pm

2 stops29h 46m

$797

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 4/22

6:00 am-7:45 am

2 stops19h 45m

Dublin

Wed 4/30

11:00 am-5:41 pm

1 stop12h 41m

$799

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 5/28

6:37 am-7:45 am

1 stop19h 08m

Dublin

Wed 6/4

5:55 am-5:46 pm

2 stops17h 51m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 28 results
1
2
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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 March 28, 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 $1,010). 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 March 31, 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 March 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair 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
7,899 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

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
770 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

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 $620. Other airlines that can offer you cheap pricing are Turkish Airlines, from $760, and United Airlines, from $770. JetBlue is currently priced 32% 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 WestJet, which is currently one of the cheapest options available, starting at $687. JetBlue flights start at $693 while deals on Delta start at $724 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 $1,010). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$518Average$982FlexibilityNo cancel feeOn-time70%
IberiaCheapest$541Average$1,043FlexibilityNo cancel feeOn-time77%
Singapore AirlinesCheapest$552Average$712FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$560Average$944FlexibilityNo cancel feeOn-time69%
KLMCheapest$583Average$1,039FlexibilityNo cancel feeOn-time75%
DeltaCheapest$612Average$1,049FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$655Average$960FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$668Average$1,087FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$783Average$992FlexibilityNo cancel feeOn-timeN/A
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