Dublin

Cheap flights from Porto (OPO) to Dublin (DUB)

OPO — DUB
Jul 23 — Jul 301
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Cheapflights Tip: The best prices from Porto to Dublin are usually found in January or February, booked 72 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Porto to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Dublin (DUB). 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 July 18, 2025.

Popular in

August

Cheapest in

January

Average price

$236

Good one-way deal

$127 or less
Highest demand for flights based on searches. 18% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a one-way flight from Porto to Dublin.

Best time to book a flight from Porto to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Porto with our price prediction graph.
Estimated round-trip 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 Porto to Dublin

How far ahead should I book a flight from Porto to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Porto to Dublin. Price data was last updated on July 11, 2025.

The best time to book flights from Porto to Dublin is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Porto to Dublin?

Currently, November is the cheapest month in which you can book a flight from Porto to Dublin (average of $509). Flying from Porto to Dublin in June is currently the most expensive (average of $924). 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 OPO to DUB?

Find hourly flight availability from Porto to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2025.

It’s optimal to fly from Porto to Dublin in the morning. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Porto to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Porto to Dublin flight route?

  • Can I find deals for flights from Porto to Dublin that include hotel bookings?

    Yes. In addition to deals on Porto to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Dublin.

  • Can I find deals for business class flights from Porto to Dublin?

    Yes. Cheapflights offers flight deals from Porto to Dublin 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 Porto to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Porto to Dublin (average of $509). Flying from Porto to Dublin in June is currently the most expensive (average of $924). 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.

See more FAQs

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Alternative routes for Porto to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Porto to Dublin

Discover the top airline that operate flights from Porto to Dublin. 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 2,558,603 searches. Data last updated July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$83Average$161FlexibilityNo cancel feeOn-timeN/A

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