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$246+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Jul 21 — Jul 281
Mon 7/21
Mon 7/28
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Dublin are usually found in November or January, 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 July 16, 2025.

Round-trip from

$646
(Delta)

One-way from

$246
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,140
From Houston to Dublin
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One-way flight from Houston to Dublin
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 16, 2025.

This Delta deal was found by Cheapflights users on 7/15. 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 8/2012:51 pmIAH - DUB
1 stop15h 09mDelta
Mon 8/256:00 amDUB - IAH
1 stop13h 35mDelta
Deal found 7/15$646
This Air Canada deal was found by Cheapflights users on 7/15. 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 8/166:15 pmIAH - DUB
1 stop32h 00mAir Canada
Thu 8/289:20 amDUB - IAH
1 stop16h 16mAir Canada
Deal found 7/15$647
This FlightHub deal was found by Cheapflights users on 7/16. 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.
Thu 8/149:00 pmIAH - DUB
1 stop30h 35mTurkish Airlines
Mon 8/254:55 pmDUB - IAH
1 stop32h 10mTurkish Airlines
Deal found 7/16$650
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Sun 8/179:45 amIAH - DUB
2 stops16h 00mUnited Airlines
Wed 8/279:50 amDUB - IAH
1 stop18h 22mUnited Airlines
Deal found 7/15$651
This Mytrip deal was found by Cheapflights users on 7/16. 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.
Fri 9/57:35 amIAH - DUB
2 stops28h 50mMultiple Airlines
Fri 9/128:10 amDUB - IAH
3 stops38h 33mMultiple Airlines
Deal found 7/16$652
This Iberia deal was found by Cheapflights users on 7/15. 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 8/184:58 pmIAH - DUB
2 stops18h 37mIberia
Sun 8/249:15 amDUB - IAH
2 stops20h 39mIberia
Deal found 7/15$656
This Air France deal was found by Cheapflights users on 7/16. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:05 pmHOU - DUB
1 stop13h 40mMultiple Airlines
Tue 9/211:00 amDUB - HOU
1 stop12h 39mMultiple Airlines
Deal found 7/16$657
This Delta deal was found by Cheapflights users on 7/16. 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 11/196:00 amHOU - DUB
2 stops28h 20mDelta
Wed 11/268:50 amDUB - HOU
2 stops18h 50mDelta
Deal found 7/16$660
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:30 pmHOU - DUB
1 stop13h 15mAmerican Airlines
Tue 8/1912:40 pmDUB - HOU
1 stop13h 19mAmerican Airlines
Deal found 7/13$662
This Trip.com deal was found by Cheapflights users on 7/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:30 pmHOU - DUB
1 stop33h 15mIberia
Wed 9/1012:40 pmDUB - HOU
1 stop13h 31mIberia
Deal found 7/15$683
This Scandinavian Airlines deal was found by Cheapflights users on 7/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:58 pmIAH - DUB
2 stops37h 52mScandinavian Airlines
Fri 8/2912:40 pmDUB - IAH
2 stops41h 16mScandinavian Airlines
Deal found 7/15$693
This KLM deal was found by Cheapflights users on 7/14. 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.
Mon 8/111:05 pmHOU - DUB
1 stop13h 40mKLM
Tue 8/2611:00 amDUB - HOU
1 stop17h 31mKLM
Deal found 7/14$751

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 July 16, 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

Wed 8/20

12:51 pm-10:00 am

1 stop15h 09m

Dublin

Mon 8/25

6:00 am-1:35 pm

1 stop13h 35m

$646

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sat 8/16

6:15 pm-8:15 am

1 stop32h 00m

Dublin

Thu 8/28

9:20 am-7:36 pm

1 stop16h 16m

$647

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 8/14

9:00 pm-9:35 am

1 stop30h 35m

Dublin

Mon 8/25

4:55 pm-7:05 pm

1 stop32h 10m

$650

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 8/17

9:45 am-7:45 am

2 stops16h 00m

Dublin

Wed 8/27

9:50 am-10:12 pm

1 stop18h 22m

$651

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Fri 9/5

7:35 am-6:25 pm

2 stops28h 50m

Dublin

Fri 9/12

8:10 am-4:43 pm

3 stops38h 33m

$652

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 8/18

4:58 pm-5:35 pm

2 stops18h 37m

Dublin

Sun 8/24

9:15 am-11:54 pm

2 stops20h 39m

$656

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Sun 8/17

1:05 pm-8:45 am

1 stop13h 40m

Dublin

Tue 9/2

11:00 am-5:39 pm

1 stop12h 39m

$657

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 8/12

2:30 pm-9:45 am

1 stop13h 15m

Dublin

Tue 8/19

12:40 pm-7:59 pm

1 stop13h 19m

$662

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Mon 8/18

10:22 am-10:00 am

2 stops17h 38m

Dublin

Tue 9/2

12:00 pm-9:02 am

2 stops27h 02m

$671

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Sun 8/31

6:30 pm-9:45 am

1 stop33h 15m

Dublin

Wed 9/10

12:40 pm-8:11 pm

1 stop13h 31m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 24 results
1
2
3

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 July 11, 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 $924). 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 July 16, 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.

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 July 16, 2025.
Read through reviews of airlines operating flights from Houston to Dublin, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,373 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,863 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,909 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,901 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 11 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 $646. Other airlines that can offer you cheap pricing are Air Canada, from $647, and Turkish Airlines, from $650. Delta is currently priced 26% 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 JetBlue, which is currently one of the cheapest options available, starting at $408. American Airlines flights start at $461 while deals on Lufthansa start at $462 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 $924). 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 Dublin?

Book flights to Dublin 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 10 airlines flying from Houston to Dublin

Discover the top 10 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 July 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$541Average$973FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$562Average$873FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$577Average$879FlexibilityNo cancel feeOn-time69%
DeltaCheapest$588Average$887FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$590Average$955FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$591Average$795FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$611Average$730FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$640Average$679FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$640Average$1,049FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$666Average$876FlexibilityNo cancel feeOn-time77%

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