Cheap flights from Houston George Bush Intcntl Airport to Dublin from $319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Dublin departing on 1/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Houston George Bush Intcntl Airport to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:25 am - 5:45 pm
IAH
-
DUB
29h 20m2 stops
Multiple Airlines Logo
9:20 am - 3:08 pm
DUB
-
IAH
35h 48m2 stops
$522Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
British Airways Logo
3:30 pm - 2:40 pm
IAH
-
DUB
17h 10m1 stop
British Airways Logo
10:30 am - 7:15 pm
DUB
-
IAH
14h 45m1 stop
$543British Airways
Mon, Apr 13 - Tue, Apr 21
British Airways Logo
4:51 pm - 4:20 pm
IAH
-
DUB
17h 29m2 stops
British Airways Logo
3:25 pm - 1:45 pm
DUB
-
IAH
28h 20m1 stop
$564British Airways
Sun, Apr 5 - Tue, Apr 14
British Airways Logo
4:50 pm - 2:20 pm
IAH
-
DUB
16h 30m1 stop
British Airways Logo
8:15 pm - 1:45 pm
DUB
-
IAH
23h 30m1 stop
$593British Airways
Fri, Mar 27 - Thu, Apr 2
British Airways Logo
3:50 pm - 9:50 am
IAH
-
DUB
12h 00m1 stop
British Airways Logo
8:40 pm - 2:05 pm
DUB
-
IAH
23h 25m1 stop
$599British Airways
Mon, Feb 9 - Mon, Feb 16
British Airways Logo
4:50 pm - 1:25 pm
IAH
-
DUB
15h 35m1 stop
British Airways Logo
8:55 pm - 1:45 pm
DUB
-
IAH
22h 50m1 stop
$600British Airways
Sat, Mar 28 - Mon, Apr 6
Lufthansa Logo
11:55 am - 8:10 am
IAH
-
DUB
14h 15m1 stop
Lufthansa Logo
5:20 pm - 2:10 pm
DUB
-
IAH
26h 50m1 stop
$602Lufthansa
Sun, Jan 25 - Mon, Feb 9
British Airways Logo
10:45 pm - 5:05 pm
IAH
-
DUB
13h 20m1 stop
British Airways Logo
6:55 pm - 1:45 pm
DUB
-
IAH
24h 50m1 stop
$603British Airways
Mon, Mar 23 - Tue, Mar 31
Delta Logo
3:25 pm - 3:25 pm
IAH
-
DUB
18h 00m2 stops
Delta Logo
5:55 am - 1:15 pm
DUB
-
IAH
13h 20m1 stop
$605Delta
Mon, Apr 13 - Thu, Apr 30
Lufthansa Logo
11:55 am - 8:10 am
IAH
-
DUB
14h 15m1 stop
Lufthansa Logo
11:45 am - 2:10 pm
DUB
-
IAH
32h 25m1 stop
$606Lufthansa
Sun, Jan 25 - Mon, Feb 9

British Airways flights from Houston George Bush Intcntl Airport to Dublin

Our best British Airways deals on Houston George Bush Intcntl Airport to Dublin flight tickets
British Airways
Apr 13
IAH3:30 pmHouston George Bush Intcntl
14h 20m
1 stop
DUB11:50 amDublin
Apr 30
DUB10:40 amDublin
14h 40m
1 stop
IAH7:20 pmHouston George Bush Intcntl
British Airways
Apr 5
IAH4:51 pmHouston George Bush Intcntl
15h 24m
2 stops
DUB2:15 pmDublin
Apr 14
DUB8:35 amDublin
16h 40m
1 stop
IAH7:15 pmHouston George Bush Intcntl
British Airways
Apr 28
IAH4:29 pmHouston George Bush Intcntl
16h 16m
2 stops
DUB2:45 pmDublin
May 12
DUB8:35 amDublin
16h 40m
1 stop
IAH7:15 pmHouston George Bush Intcntl

Turkish Airlines flights from Houston George Bush Intcntl Airport to Dublin

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to Dublin flight tickets
Turkish Airlines
Jan 22
IAH9:05 pmHouston George Bush Intcntl
30h 35m
1 stop
DUB9:40 amDublin
Jan 29
DUB4:30 pmDublin
32h 40m
1 stop
IAH7:10 pmHouston George Bush Intcntl
Turkish Airlines
Dec 31
IAH2:55 pmHouston George Bush Intcntl
18h 35m
1 stop
DUB3:30 pmDublin
Apr 1
DUB10:40 amDublin
38h 30m
1 stop
IAH7:10 pmHouston George Bush Intcntl
Turkish Airlines
Mar 13
IAH10:05 pmHouston George Bush Intcntl
19h 05m
1 stop
DUB10:10 pmDublin
Mar 20
DUB4:30 pmDublin
26h 40m
1 stop
IAH2:10 pmHouston George Bush Intcntl

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated December 26, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 1/22

6:25 am-5:45 pm

2 stops29h 20m

Dublin

Thu 1/29

9:20 am-3:08 pm

2 stops35h 48m

$522

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 4/13

3:30 pm-2:40 pm

1 stop17h 10m

Dublin

Tue 4/21

10:30 am-7:15 pm

1 stop14h 45m

$543

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 4/5

4:51 pm-4:20 pm

2 stops17h 29m

Dublin

Tue 4/14

3:25 pm-1:45 pm

1 stop28h 20m

$564

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Fri 3/27

4:50 pm-2:20 pm

1 stop16h 30m

Dublin

Thu 4/2

8:15 pm-1:45 pm

1 stop23h 30m

$593

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 2/9

3:50 pm-9:50 am

1 stop12h 00m

Dublin

Mon 2/16

8:40 pm-2:05 pm

1 stop23h 25m

$599

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sat 3/28

4:50 pm-1:25 pm

1 stop15h 35m

Dublin

Mon 4/6

8:55 pm-1:45 pm

1 stop22h 50m

$600

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 1/25

11:55 am-8:10 am

1 stop14h 15m

Dublin

Mon 2/9

5:20 pm-2:10 pm

1 stop26h 50m

$602

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 3/23

10:45 pm-5:05 pm

1 stop13h 20m

Dublin

Tue 3/31

6:55 pm-1:45 pm

1 stop24h 50m

$603

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 4/13

3:25 pm-3:25 pm

2 stops18h 00m

Dublin

Thu 4/30

5:55 am-1:15 pm

1 stop13h 20m

$605

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 1/25

11:55 am-8:10 am

1 stop14h 15m

Dublin

Mon 2/9

11:45 am-2:10 pm

1 stop32h 25m

$606

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Dublin from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Dublin

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

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Dublin?

What is the cheapest month to fly to Dublin?

In general, November is the cheapest month to fly from Houston George Bush Intcntl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $627. If you’re not able to fly to Dublin in November, then March is your next best option. Flight prices from Houston George Bush Intcntl Airport to Dublin during March average around $667.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Houston George Bush Intcntl Airport to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $718. Flights from Houston George Bush Intcntl Airport to Dublin on a Monday will generally be more expensive and average around $1,133. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

In the evening is the cheapest time of day to fly from Houston George Bush Intcntl Airport to Dublin when you can find flight prices for as low as $923. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,028.

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $809 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Houston George Bush Intcntl Airport for as low as $769 on momondo.

How have Houston George Bush Intcntl Airport to Dublin flight prices changed over time?

As of December 2025, prices for Houston George Bush Intcntl Airport to Dublin flights are approximately 54% more expensive when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Dublin (IAH to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Dublin

Fastest flight time

12h 00m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Dublin takes 12h 00m
There are no direct flights from Houston George Bush Intcntl Airport to Dublin. There are no popular flight routes from Houston George Bush Intcntl Airport to Dublin.
  • How far is Houston George Bush Intcntl to Dublin by plane?

    A flight from Houston George Bush Intcntl to Dublin will travel around 4546.1 mi. Typically, this will take 12h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Dublin Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Dublin Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Dublin Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Dublin?

Best airlines flying from Houston George Bush Intcntl Airport to Dublin

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Dublin with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $101Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
KLMPriceFrom $443Free CancellationRating
7.7
1,434 reviews
Search KLM flights
United AirlinesPriceFrom $567Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
Air CanadaPriceFrom $591Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
11,067 reviews
Search American Airlines flights
British AirwaysPriceFrom $621Free CancellationRating
6.7
7,614 reviews
Search British Airways flights
DeltaPriceFrom $638Free CancellationRating
7.9
8,018 reviews
Search Delta flights
Turkish AirlinesPriceFrom $650Free CancellationRating
7.3
4,117 reviews
Search Turkish Airlines flights
IberiaPriceFrom $665Free CancellationRating
7.0
3,059 reviews
Search Iberia flights
Air FrancePriceFrom $666Free CancellationRating
7.4
1,515 reviews
Search Air France flights

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Athlone
Dundalk
Malahide
Maynooth
Mullingar
Bray
Kildare
Drogheda
Naas
Arklow
Cavan
Castleknock
Wicklow
Leixlip
Thurles
Slane

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Dublin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Dublin. momondo saves you time and could save you money on your trip.

Can I find flights from Houston to Dublin with flexible booking policies on momondo?

Yes. All flights to Dublin from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Dublin?

momondo provides multiple filters to help you find the best flight to Dublin from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Dublin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.

An easier way to manage your Dublin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 1/25
Sun 2/1

Find better results for your trip to Ireland