$32 Cheap Flights from Barcelona (BCN) to Dublin (DUB)

Barcelona (BCN) to Dublin (DUB) at a glance

Travel between Barcelona (BCN) and Dublin (DUB) with a range of airlines operating this international short-haul route. Whether you prefer full-service or budget-friendly carriers, you can compare options to find the best flight that aligns with your budget, schedule, and travel plans. Discover the essential details for flights departing from Barcelona International Airport (BCN) to Dublin Airport (DUB) as you set out to explore the iconic sights and neighborhoods of Dublin.

• Fastest flight duration: around 2h 45m non-stop
• Route distance: roughly 900 miles (1,450 km)
• Flights per week: around 13 departures on average
• Typical fares (one-way): economy tickets often range from $40–$315, depending on seasonality and how far ahead you book

Flights from Barcelona International Airport (BCN) to Dublin Airport (DUB)

According to recent traveler bookings, these are the top airlines preferred for flights from Barcelona to Dublin, featuring both non-stop and one-stop options. Many passengers opt for layovers at prominent airports such as Heathrow (LHR) with a layover of approximately 1 hour 45 minutes, Frankfurt International (FRA) at around 1 hour 30 minutes, and Zürich Airport (ZRH) with about a 2-hour layover. This variety allows you to choose the best itinerary by balancing price, total travel time, and cabin class.

• Ryanair: This budget airline provides direct flights, with one-way ticket prices generally falling between $40 and $340. It makes up about 48% of the departures on this route, and the total travel time is approximately 2 hours and 45 minutes.
• Aer Lingus: As a full-service airline, Aer Lingus offers non-stop flights, with one-way fares typically ranging from $55 to $375. It accounts for roughly 22% of the departures on this route, with a journey time of 2 hours and 45 minutes.
• Vueling Airlines: This low-cost carrier provides both non-stop and one-stop services, with one-way fares usually between $40 and $290. It represents about 13% of departures on this route, with a direct flight duration of 2 hours and 45 minutes.
• British Airways: Offering one-stop services, this full-service airline has one-way fares that typically range from $145 to $270. British Airways accounts for around 5% of the departures on this route, with an in-flight duration of 4 hours and 15 minutes, totaling approximately 6 hours including layover.
• Lufthansa: As another full-service option, Lufthansa provides one-stop flights with one-way fares typically ranging from $100 to $290. Approximately 4% of departures are operated by Lufthansa, with a flight time of 4 hours and 15 minutes and a total journey time of around 6 hours, including layover.

Travelers flying from Barcelona to Dublin have the option to upgrade their flight, with Aer Lingus providing premium economy class service on this route.

Best time to fly from Barcelona (BCN) to Dublin (DUB)

The most popular months for travelers flying from Barcelona to Dublin are March, June, and July, when peak temperatures in Dublin reach up to 59.2°F in July. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 42.6°F. For better deals, November usually offers the lowest average one-way fare around $73. Flight availability peaks in March, with approximately 28 flights per week, making it easier to find convenient departure times. April and August have the fewest flights, with approximately 9 flights per week.

• Cheapest time to fly: November usually offers good deals with average one-way fare around $73, roughly 39% cheaper than the yearly average.
• Most flight options: March has the highest number of flights from Barcelona to Dublin, with approximately 28 flights per week, giving you more flexibility in scheduling your trip.

*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 Barcelona (BCN) to Dublin (DUB)

• Reus to Dublin (REU-DUB): Located approximately 49 miles from Barcelona International Airport (BCN), Reus Airport (REU) offers convenient travel options to Dublin.
• La Seu d'Urgell to Dublin (LEU-DUB): La Seu d'Urgell Airport (LEU) lies about 79 miles from Barcelona International Airport (BCN), providing another route to Dublin.

How to find the best prices for flights from Barcelona (BCN) to Dublin (DUB)

Getting some of the best deals on flights from Barcelona 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 usually found when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Morning departures from 5 a.m. to 12 p.m. often offer lower prices and are the most popular times to fly. Additionally, flying on Wednesday generally provides cheaper options, while Friday remains the most popular 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 Barcelona International Airport

Dublin welcomes travelers from Barcelona with a range of transport options based on price, convenience, and proximity. For departures, Barcelona International Airport is roughly a 15-minute drive (covering about 10 miles) from central Barcelona. 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, getting to nearby transport options is straightforward. Dublin Howth Junction Station (a train station) is about 4.9 miles away by car, while Phibsborough Tram Stop (a metro station) is approximately 6.2 miles away by car. For those traveling by sea, 3Arena Seaport (a seaport) is located around 6.7 miles from the airport by car.

Barcelona to Dublin Flights

The cheapest times to fly from Barcelona to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Barcelona to Dublin are during the month of September. You can find some of the cheapest flights from Barcelona to Dublin with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Barcelona to Dublin

Sunday is one of the best days to book for cheap flights from Barcelona to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Barcelona to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Barcelona to Dublin in 2026. You can also book with separate airlines for your outbound and return journeys, from $32 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Barcelona to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Barcelona to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.