Houston (IAH) to Dublin (DUB) at a glance

Embark on an adventure with various airlines offering flights from Houston (IAH) to Dublin (DUB) on this international long-haul route. Whether you prefer full-service or low-cost options, you can easily compare choices to discover the best itinerary that aligns with your budget and travel plans. Get ready to explore Dublin's iconic sights and vibrant neighborhoods as you review the essential details for flights from George Bush Intercontinental Airport to Dublin Airport.

• Fastest flight duration: around 10h 15m in-flight, plus roughly 2h 15m layover with one stop
• Route distance: roughly 4,600 miles (7,400 km)
• Flights per week: around 10 departures on average
• Typical fares (one-way): economy tickets often range from $285–$820, depending on seasonality and how far ahead you book

Flights from George Bush Intercontinental Airport (IAH) to Dublin Airport (DUB)

According to recent traveler bookings, the top airlines flying from Houston to Dublin are typically selected for their one-stop services, featuring popular layover options at Heathrow Airport (LHR, approximately 2 hours), Newark Liberty International Airport (EWR, around 1 hour 45 minutes), and Washington Dulles International Airport (IAD, about 1 hour 15 minutes). These choices provide travelers with the flexibility to balance price, total travel time, and cabin class while crafting the ideal itinerary.

• United: This full-service airline provides one-stop travel options, with one-way ticket prices generally falling between $285 and $895. It represents about 42% of the flights on this route, featuring a flight duration of 10 hours and 15 minutes and a total travel time of around 12 hours and 45 minutes, including layovers.
• American Airlines: Offering one-stop service, this full-service carrier has one-way fares that usually range from $295 to $740. It accounts for roughly 17% of the departures on this route, boasting an in-flight duration of 10 hours and 15 minutes and a total journey time of approximately 12 hours and 45 minutes, including layover time.
• British Airways: As a full-service airline providing one-stop services, British Airways features one-way fares that typically range from $305 to $1060. It makes up about 12% of the departures on this route, with an in-flight time of 10 hours and 15 minutes and a total travel duration of roughly 12 hours and 45 minutes, including layovers.
• Delta: This full-service carrier offers one-stop flights, with one-way fares generally priced from $335 to $600. Delta accounts for around 7% of the departures on this route, with in-flight travel lasting 10 hours and 15 minutes and a total journey time of about 12 hours and 45 minutes, factoring in layovers.
• Singapore Airlines: A full-service airline providing one-stop options, Singapore Airlines presents one-way fares that typically range from $375 to $460. It constitutes approximately 6% of the flights on this route, with an in-flight experience lasting 10 hours and 15 minutes and a total travel time of about 12 hours and 45 minutes, including layovers.

Best time to fly from Houston (IAH) to Dublin (DUB)

The most popular months for travelers flying from Houston to Dublin are March, May, and July, when peak temperatures in Dublin reach up to 59.2°F in July. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 52.3°F. For better deals, November usually offers the lowest average one-way fare around $350. Flight availability peaks in March and July, with approximately 12 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: November usually offers good deals with average one-way fare around $350, roughly 30% cheaper than the yearly average.
• Most flight options: March and July have the highest number of flights from Houston to Dublin, with approximately 12 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	41.9°F (5.5°C)	Low	8	$421
February	42.6°F (5.9°C)	Average	7	$411
March	43.9°F (6.6°C)	High	12	$555
April	46.8°F (8.2°C)	Average	9	$438
May	51.4°F (10.8°C)	High	10	$549
June	56.3°F (13.5°C)	Average	11	$674
July	59.2°F (15.1°C)	High	12	$545
August	58.6°F (14.8°C)	Average	10	$692
September	55.9°F (13.3°C)	Low	9	$489
October	52.3°F (11.3°C)	Low	7	$413
November	46.8°F (8.2°C)	Average	9	$350
December	43.5°F (6.4°C)	Average	11	$491

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Houston (IAH) to Dublin (DUB)

• Houston to Dublin (HOU-DUB): William P. Hobby Airport (HOU) is located approximately 23 miles from George Bush Intercontinental Airport (IAH).
• Houston to Waterford (IAH-WAT): Waterford Airport (WAT) is situated about 93 miles from Dublin Airport (DUB).

How to find the best prices for flights from Houston (IAH) to Dublin (DUB)

Getting some of the best deals on flights from Houston to Dublin is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are often available when booking within two weeks, although most travelers tend to book at least two months in advance. Departures in the afternoon (12 PM to 6 PM) usually offer lower prices and are quite popular, while flying on Monday generally provides cheaper rates, despite Saturday being the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Dublin Airport from George Bush Intercontinental Airport

Dublin welcomes travelers from Houston with a range of transport options based on price, convenience, and proximity. Dublin city center is approximately a 15-minute drive (covering about 8 miles) from Dublin Airport, depending on traffic. Here's how to reach Dublin efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Dublin, with private rides that can be arranged in advance.
• Car rental: Renting a car from Dublin Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Dublin Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Dublin Airport, travelers will find several key transport links nearby. Dublin Howth Junction Station, a train station, is located about 4.9 miles from the airport by car, while Phibsborough Tram Stop, a metro station, is approximately 6.2 miles away by car. Additionally, 3Arena Seaport, a seaport, is about 6.7 miles from the airport and is also most conveniently accessed by car.