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Cheap Flights from Houston George Bush Intercntl. to Dublin

Compare Houston George Bush Intercntl. to Dublin flight deals

Find the cheapest month or even day of the year to fly to Dublin

Book the best Dublin fare with no extra fees

Flight deals from Houston George Bush Intercntl. to Dublin

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. Airport to Dublin Airport? If you want to travel next month, return fares start from R 12,406. Find the lowest prices on one-way and return tickets right here.
Dublin.R 3,653 per passenger.Departing Wed, 5 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 5 Aug, arriving in Dublin.Price includes taxes and charges.From R 3,653, select.
Dublin.R 4,070 per passenger.Departing Tue, 14 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 14 Jul, arriving in Dublin.Price includes taxes and charges.From R 4,070, select.
Dublin.R 4,943 per passenger.Departing Mon, 7 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 7 Sep, arriving in Dublin.Price includes taxes and charges.From R 4,943, select.
Dublin.R 4,991 per passenger.Departing Thu, 15 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 15 Oct, arriving in Dublin.Price includes taxes and charges.From R 4,991, select.
Dublin.R 5,607 per passenger.Departing Tue, 17 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 17 Nov, arriving in Dublin.Price includes taxes and charges.From R 5,607, select.
Dublin.R 5,849 per passenger.Departing Mon, 11 Jan.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from Houston George Bush Intercntl. on Mon, 11 Jan, arriving in Dublin.Price includes taxes and charges.From R 5,849, select.
Dublin.R 5,873 per passenger.Departing Wed, 14 Apr.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Houston George Bush Intercntl. on Wed, 14 Apr, arriving in Dublin.Price includes taxes and charges.From R 5,873, select.
Dublin.R 5,882 per passenger.Departing Wed, 10 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from Houston George Bush Intercntl. on Wed, 10 Feb, arriving in Dublin.Price includes taxes and charges.From R 5,882, select.
Dublin.R 6,169 per passenger.Departing Sun, 27 Dec.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Houston George Bush Intercntl. on Sun, 27 Dec, arriving in Dublin.Price includes taxes and charges.From R 6,169, select.
Dublin.R 6,240 per passenger.Departing Sat, 1 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Houston George Bush Intercntl. on Sat, 1 May, arriving in Dublin.Price includes taxes and charges.From R 6,240, select.
Dublin.R 6,440 per passenger.Departing Fri, 26 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Fri, 26 Jun, arriving in Dublin.Price includes taxes and charges.From R 6,440, select.
Dublin.R 7,128 per passenger.Departing Mon, 15 Mar.One-way flight with Air France.Outbound indirect flight with Air France, departs from Houston George Bush Intercntl. on Mon, 15 Mar, arriving in Dublin.Price includes taxes and charges.From R 7,128, select.

Find the cheapest month to fly from Houston George Bush Intercntl. to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Dublin flights are currently cheapest in August.
Jun
from R 6,440
Jul
from R 4,070
Aug
from R 3,653
Sep
from R 4,943
Oct
from R 4,991
Nov
from R 5,607
Dec
from R 6,169
Jan
from R 5,849
Feb
from R 5,882
Mar
from R 7,128
Apr
from R 5,873
May
from R 6,240

Houston George Bush Intercntl. to Dublin: Alternative routes

Compare routes from Houston George Bush Intercntl. to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Dublin

10km from central Dublin
ClosestCheapest
from R 3,653
Search flights

Houston to Dublin: Flight information

The things to know before you go.
Cheapest flight foundR 3,653
Cheapest month to flyAugust

Finding cheap flights from Houston George Bush Intercntl. to Dublin: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Dublin is R 9,826. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston George Bush Intercntl. to Dublin. But we found flights with one or more stops from R 9,826.
As of June 2026, there are no flights flying from Houston George Bush Intercntl. to Dublin.
The cheapest month to fly from Houston George Bush Intercntl. to Dublin is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Dublin Airport on Tuesday, 4 August 2026.
No airlines currently offer direct flights between Houston George Bush Intercntl. Airport and Dublin Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Dublin.

Travelling from Houston George Bush Intercntl. Airport (IAH) to Dublin Airport (DUB): what you need to know

  • Dublin is six hours ahead of Houston and follows the UTC+0 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to board your IAH to DUB flight.

  • During popular months such as July, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during peak periods in general.

  • Consider adding a stopover when booking your ticket from Houston George Bush Intercntl. Airport to Dublin Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here are some options between IAH and DUB:

    • Atlanta Hartsfield-Jackson Airport

    • Boston Logan International Airport

    • Philadelphia International Airport

How to find the cheapest flights from Houston George Bush Intercntl. Airport (IAH) to Dublin Airport (DUB)

  • At the moment, R 3,653 is the lowest price we've seen for a one-way Houston George Bush Intercntl. Airport to Dublin Airport flight. The best price for a return plane ticket is R 9,826. Keep in mind that fares can change due to availability at the time of booking.

  • To pick up cheap tickets from IAH to DUB, book ahead. Airlines generally offer the most competitive fares when flights are first made available.

  • Finding cheap flights from Houston George Bush Intercntl. Airport to Dublin Airport is easy if you can be flexible with your travel dates. Use the 'Whole month' search function to see the lowest fares across the month and score a great deal.

  • Snapping up cheap flights from IAH to DUB is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when a new deal comes up.

  • Lock in the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Houston George Bush Intercntl. Airport to Dublin Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Houston George Bush Intercntl. Airport (IAH)

Arriving at Dublin Airport (DUB)

When to fly to Dublin Airport (DUB)

  • The quietest month for a flight from Houston George Bush Intercntl. Airport to Dublin Airport is March, while July is the busiest. Choose the ideal time to go to Dublin based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Houston George Bush Intercntl. Airport to Dublin Airport for July if you want to visit Dublin during its warmest month. You can expect temperatures of between 10ºC (50ºF) and 19ºC (66ºF).

  • If you like cooler conditions, look for a cheap ticket from IAH to DUB in January. Average temperatures are between 2ºC (36ºF) and 9ºC (48ºF) then.

Explore more of Ireland

  • Cork is just one of the many cities in Ireland waiting to be discovered after you've seen Dublin. Around 225 kilometres away to the south-west, check out popular attractions including Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

Plan the rest of your trip from Houston to Dublin

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.