Cheapflights Tip: The best prices from Dublin to Barcelona are usually found in November or January, booked 85 days in advance, depart on a Monday or Wednesday and return on a Monday
Find flight deals from Dublin to Barcelona
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Barcelona (S37). 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 28 September 2026.
Popular in
June
Cheapest in
November
Average price
£148
Highest demand for flights based on searches. 24% potential increase in price (£33 potential increase over avg. return price).
Best time to book a flight from Dublin to Barcelona
Have a flexible travel schedule? Discover the best time to fly to Barcelona from Dublin with our price prediction graph.
DUB-S37
Estimated return 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 Dublin to Barcelona
Prices
Airlines
Delays
How far ahead should I book a flight from Dublin to Barcelona?
To ensure you get the cheapest price possible for a flight from Dublin to Barcelona, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Dublin to Barcelona?
Currently, November is the cheapest month in which you can book a flight from Dublin to Barcelona (average of £63). Flying from Dublin to Barcelona in June is currently the most expensive (average of £209). 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 DUB to BCN?
Find hourly flight availability from Dublin to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 September 2026.
When flying from Dublin to Barcelona, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 32% versus a flight at midday.
What is the cheapest day to fly from Dublin to Barcelona?
Use this chart to determine the cheapest time to fly return from Dublin to Barcelona. Price data was last updated on 26 September 2026.
Travellers seeking maximum savings on their Dublin to Barcelona flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Dublin to Barcelona
Explore weekly flight availability from Dublin to Barcelona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 September 2026.
The most flights from DUB to S37 are scheduled on a Saturday (8 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).
How often are flights from Dublin to Barcelona delayed?
About 19% of weekly flights between Dublin and Barcelona have experienced delays in the past year, with the average delay time being 122 minutes.
What is the most punctual flight time for Dublin to Barcelona flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Dublin to Barcelona flights?
Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 11% of flights being delayed.
Reviews of airlines servicing Barcelona
Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated 28 September 2026.
See what other customers who have flown with Aer Lingus,Vueling, andRyanair from Dublin to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Related info for your journey
Find useful and relevant information for your journey from Dublin to Barcelona. 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 from for flights from Dublin to Barcelona?
For a flight from Dublin to Barcelona, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 4 outbound flights to Barcelona per day. 3 airlines have flights to Barcelona from Dublin on a regular basis.
What are the cheapest airlines flying from Dublin to Barcelona round-trip?
Flying on Ryanair is currently your cheapest option to Barcelona, with prices starting at £39. Additional return tickets that might be worth considering are offered by Vueling and Aer Lingus, with the lowest prices starting at £62 and £81, respectively. Ryanair is 71% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Dublin to Barcelona one-way?
£17 is the cheapest one-way deal found within the past few days, from Vueling. You may also be able to find cheap deals on Ryanair and Aer Lingus, with prices starting from £37 and £45, respectively.
What are the most reliable airlines from Dublin to Barcelona?
Consider Aer Lingus (89%), LATAM Airlines (87%) or American Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Barcelona.
What are the cheapest flights from Dublin to Barcelona?
The cheapest flight price from Dublin to Barcelona is £32. On average you can expect to pay £152. The most popular route, (Dublin - Reus), can usually be booked for £149.
Can I find deals for business class flights from Dublin to Barcelona?
Yes. Cheapflights offers flight deals from Dublin to Barcelona 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 Dublin to Barcelona?
Currently, November is the cheapest month in which you can book a flight from Dublin to Barcelona (average of £63). Flying from Dublin to Barcelona in June is currently the most expensive (average of £209). 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.
Browse through other flights departing from Dublin. Flights are based on user searches made on Cheapflights and were last updated on 28 September 2026.
Discover the top 3 airlines that operate flights from Dublin to Barcelona. 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 7,457,451 searches. Data last updated 28 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Dublin to Barcelona?
Deals for Dublin to Barcelona flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Dublin to Barcelona?
Cheapflights helps you find that perfect flight to Barcelona from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Dublin to Barcelona with no change fees?
Yes, we can. To see specific flights from Dublin to Barcelona with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Dublin to Barcelona become cheaper?
Yes, Cheapflights offers price alerts on Dublin to Barcelona flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.